What is the best way to travel from Cardiff to Portsmouth?
Looking for a trip? Check and compare all the available Buses and Trains to Portsmouth from Cardiff. Look at different modes of transportation, search for the cheapest tickets, fastest rides and most popular stations, and see all 2 available companies to find your perfect trip!
What is the cheapest way to reach Portsmouth from Cardiff?
You can reach Portsmouth with just £12 by taking a Bus from National Express, but there are many more cheap offers: we have selected the best ones for you for the next few days here.
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National Express7h 0m017:30CardiffCoach Station00:30PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 08/12/2025 17:30:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 09/12/2025 00:30:00. 50 Economy ticket for £15 per person are available. Travel duration is 7h 0m
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National Express6h 30m019:45CardiffCoach Station02:15PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 08/12/2025 19:45:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 09/12/2025 02:15:00. 50 Economy ticket for £15 per person are available. Travel duration is 6h 30m
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National Express7h 15m015:45CardiffCoach Station23:00PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 08/12/2025 15:45:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 08/12/2025 23:00:00. 50 Economy ticket for £20 per person are available. Travel duration is 7h 15m
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National Express7h 5m019:13Bristol AirportBristol Airport02:18PortsmouthUniversity0EconomyA Bus from National Express goes from Bristol Airport, Bristol Airport (United Kingdom) at 08/12/2025 19:13:00 to University, Portsmouth (United Kingdom) arriving at 09/12/2025 02:18:00. 50 Economy ticket for £25 per person are available. Travel duration is 7h 5m
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National Express7h 2m019:13Bristol AirportBristol Airport02:15PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Bristol Airport, Bristol Airport (United Kingdom) at 08/12/2025 19:13:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 09/12/2025 02:15:00. 50 Economy ticket for £25 per person are available. Travel duration is 7h 2m
Cheapest Buses Monday
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National Express7h 0m019:15CardiffCoach Station02:15PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 09/12/2025 19:15:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 10/12/2025 02:15:00. 50 Economy ticket for £12 per person are available. Travel duration is 7h 0m
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National Express7h 0m009:00CardiffCoach Station16:00PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 09/12/2025 09:00:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 09/12/2025 16:00:00. 50 Economy ticket for £14 per person are available. Travel duration is 7h 0m
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National Express7h 10m012:30CardiffCoach Station19:40PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 09/12/2025 12:30:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 09/12/2025 19:40:00. 50 Economy ticket for £14 per person are available. Travel duration is 7h 10m
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National Express8h 0m016:30CardiffCoach Station00:30PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 09/12/2025 16:30:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 10/12/2025 00:30:00. 50 Economy ticket for £26 per person are available. Travel duration is 8h 0m
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National Express7h 0m007:20CardiffCoach Station14:20PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 09/12/2025 07:20:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 09/12/2025 14:20:00. 50 Economy ticket for £28 per person are available. Travel duration is 7h 0m
Cheapest Buses Tuesday
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National Express7h 0m019:15CardiffCoach Station02:15PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 10/12/2025 19:15:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 11/12/2025 02:15:00. 50 Economy ticket for £15 per person are available. Travel duration is 7h 0m
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National Express7h 0m009:00CardiffCoach Station16:00PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 10/12/2025 09:00:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 10/12/2025 16:00:00. 50 Economy ticket for £21 per person are available. Travel duration is 7h 0m
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National Express7h 10m012:30CardiffCoach Station19:40PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 10/12/2025 12:30:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 10/12/2025 19:40:00. 50 Economy ticket for £22 per person are available. Travel duration is 7h 10m
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National Express7h 25m008:35Bristol AirportBristol Airport16:00PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Bristol Airport, Bristol Airport (United Kingdom) at 10/12/2025 08:35:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 10/12/2025 16:00:00. 50 Economy ticket for £30 per person are available. Travel duration is 7h 25m
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National Express7h 30m008:35Bristol AirportBristol Airport16:05PortsmouthUniversity0EconomyA Bus from National Express goes from Bristol Airport, Bristol Airport (United Kingdom) at 10/12/2025 08:35:00 to University, Portsmouth (United Kingdom) arriving at 10/12/2025 16:05:00. 50 Economy ticket for £30 per person are available. Travel duration is 7h 30m
Cheapest Buses Wednesday
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National Express7h 0m019:15CardiffCoach Station02:15PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 11/12/2025 19:15:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/12/2025 02:15:00. 50 Economy ticket for £18 per person are available. Travel duration is 7h 0m
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National Express7h 10m012:30CardiffCoach Station19:40PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 11/12/2025 12:30:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 11/12/2025 19:40:00. 50 Economy ticket for £22 per person are available. Travel duration is 7h 10m
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National Express7h 0m009:00CardiffCoach Station16:00PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 11/12/2025 09:00:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 11/12/2025 16:00:00. 50 Economy ticket for £23 per person are available. Travel duration is 7h 0m
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National Express7h 30m008:35Bristol AirportBristol Airport16:05PortsmouthUniversity0EconomyA Bus from National Express goes from Bristol Airport, Bristol Airport (United Kingdom) at 11/12/2025 08:35:00 to University, Portsmouth (United Kingdom) arriving at 11/12/2025 16:05:00. 50 Economy ticket for £32 per person are available. Travel duration is 7h 30m
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National Express7h 25m008:35Bristol AirportBristol Airport16:00PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Bristol Airport, Bristol Airport (United Kingdom) at 11/12/2025 08:35:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 11/12/2025 16:00:00. 50 Economy ticket for £32 per person are available. Travel duration is 7h 25m
Cheapest Buses Thursday
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National Express7h 25m007:30CardiffCoach Station14:55PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/12/2025 07:30:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/12/2025 14:55:00. 50 Economy ticket for £25 per person are available. Travel duration is 7h 25m
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National Express7h 15m015:45CardiffCoach Station23:00PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/12/2025 15:45:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/12/2025 23:00:00. 50 Economy ticket for £25 per person are available. Travel duration is 7h 15m
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National Express7h 0m017:30CardiffCoach Station00:30PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/12/2025 17:30:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 13/12/2025 00:30:00. 50 Economy ticket for £25 per person are available. Travel duration is 7h 0m
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National Express6h 30m019:45CardiffCoach Station02:15PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/12/2025 19:45:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 13/12/2025 02:15:00. 50 Economy ticket for £25 per person are available. Travel duration is 6h 30m
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National Express7h 45m012:55Bristol AirportBristol Airport20:40PortsmouthUniversity0EconomyA Bus from National Express goes from Bristol Airport, Bristol Airport (United Kingdom) at 12/12/2025 12:55:00 to University, Portsmouth (United Kingdom) arriving at 12/12/2025 20:40:00. 50 Economy ticket for £37 per person are available. Travel duration is 7h 45m
Cheapest Buses Friday
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National Express6h 20m005:55CardiffCoach Station12:15PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 13/12/2025 05:55:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 13/12/2025 12:15:00. 50 Economy ticket for £31 per person are available. Travel duration is 6h 20m
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National Express7h 0m016:00CardiffCoach Station23:00PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 13/12/2025 16:00:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 13/12/2025 23:00:00. 50 Economy ticket for £31 per person are available. Travel duration is 7h 0m
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National Express7h 0m017:30CardiffCoach Station00:30PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 13/12/2025 17:30:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 14/12/2025 00:30:00. 50 Economy ticket for £31 per person are available. Travel duration is 7h 0m
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National Express6h 30m019:45CardiffCoach Station02:15PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 13/12/2025 19:45:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 14/12/2025 02:15:00. 50 Economy ticket for £31 per person are available. Travel duration is 6h 30m
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National Express7h 14m004:51Bristol AirportBristol Airport12:05PortsmouthInternational Port0EconomyA Bus from National Express goes from Bristol Airport, Bristol Airport (United Kingdom) at 13/12/2025 04:51:00 to International Port, Portsmouth (United Kingdom) arriving at 13/12/2025 12:05:00. 50 Economy ticket for £37 per person are available. Travel duration is 7h 14m
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Great Western Railway (GWR)3h 16m012:30CardiffCentral Station15:46PortsmouthPortsmouth & Southsea Station0EconomyA Train from Great Western Railway (GWR) goes from Central Station, Cardiff (United Kingdom) at 13/12/2025 12:30:00 to Portsmouth & Southsea Station, Portsmouth (United Kingdom) arriving at 13/12/2025 15:46:00. 50 Economy ticket for £41 per person are available. Travel duration is 3h 16m
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Great Western Railway (GWR)3h 16m013:30CardiffCentral Station16:46PortsmouthPortsmouth & Southsea Station0EconomyA Train from Great Western Railway (GWR) goes from Central Station, Cardiff (United Kingdom) at 13/12/2025 13:30:00 to Portsmouth & Southsea Station, Portsmouth (United Kingdom) arriving at 13/12/2025 16:46:00. 50 Economy ticket for £41 per person are available. Travel duration is 3h 16m
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Great Western Railway (GWR)3h 16m014:30CardiffCentral Station17:46PortsmouthPortsmouth & Southsea Station0EconomyA Train from Great Western Railway (GWR) goes from Central Station, Cardiff (United Kingdom) at 13/12/2025 14:30:00 to Portsmouth & Southsea Station, Portsmouth (United Kingdom) arriving at 13/12/2025 17:46:00. 50 Economy ticket for £41 per person are available. Travel duration is 3h 16m
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Great Western Railway (GWR)3h 20m017:27CardiffCentral Station20:47PortsmouthPortsmouth & Southsea Station0EconomyA Train from Great Western Railway (GWR) goes from Central Station, Cardiff (United Kingdom) at 13/12/2025 17:27:00 to Portsmouth & Southsea Station, Portsmouth (United Kingdom) arriving at 13/12/2025 20:47:00. 50 Economy ticket for £41 per person are available. Travel duration is 3h 20m
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Great Western Railway (GWR)3h 16m015:30CardiffCentral Station18:46PortsmouthPortsmouth & Southsea Station0EconomyA Train from Great Western Railway (GWR) goes from Central Station, Cardiff (United Kingdom) at 13/12/2025 15:30:00 to Portsmouth & Southsea Station, Portsmouth (United Kingdom) arriving at 13/12/2025 18:46:00. 50 Economy ticket for £50 per person are available. Travel duration is 3h 16m
Cheapest Buses Saturday
Cheapest Trains Saturday
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National Express7h 0m016:00CardiffCoach Station23:00PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 14/12/2025 16:00:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 14/12/2025 23:00:00. 50 Economy ticket for £25 per person are available. Travel duration is 7h 0m
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National Express7h 0m017:30CardiffCoach Station00:30PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 14/12/2025 17:30:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 15/12/2025 00:30:00. 50 Economy ticket for £25 per person are available. Travel duration is 7h 0m
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National Express6h 30m019:45CardiffCoach Station02:15PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 14/12/2025 19:45:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 15/12/2025 02:15:00. 50 Economy ticket for £25 per person are available. Travel duration is 6h 30m
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National Express5h 55m004:45CardiffCoach Station10:40PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 14/12/2025 04:45:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 14/12/2025 10:40:00. 50 Economy ticket for £38 per person are available. Travel duration is 5h 55m
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National Express6h 25m007:30CardiffCoach Station13:55PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 14/12/2025 07:30:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 14/12/2025 13:55:00. 50 Economy ticket for £38 per person are available. Travel duration is 6h 25m
Cheapest Buses Sunday
What are the fastest trips from Cardiff to Portsmouth?
You can get to Portsmouth from Cardiff in just 3h 16m with a Train from Great Western Railway (GWR). But this is just one option, click on any of the offers below to compare it with the other available modes of transportations.
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National Express6h 30m019:45CardiffCoach Station02:15PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 08/12/2025 19:45:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 09/12/2025 02:15:00. 50 Economy ticket for £15 per person are available. Travel duration is 6h 30m
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National Express7h 0m017:30CardiffCoach Station00:30PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 08/12/2025 17:30:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 09/12/2025 00:30:00. 50 Economy ticket for £15 per person are available. Travel duration is 7h 0m
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National Express7h 2m019:13Bristol AirportBristol Airport02:15PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Bristol Airport, Bristol Airport (United Kingdom) at 08/12/2025 19:13:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 09/12/2025 02:15:00. 50 Economy ticket for £25 per person are available. Travel duration is 7h 2m
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National Express7h 5m019:13Bristol AirportBristol Airport02:18PortsmouthUniversity0EconomyA Bus from National Express goes from Bristol Airport, Bristol Airport (United Kingdom) at 08/12/2025 19:13:00 to University, Portsmouth (United Kingdom) arriving at 09/12/2025 02:18:00. 50 Economy ticket for £25 per person are available. Travel duration is 7h 5m
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National Express7h 15m015:45CardiffCoach Station23:00PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 08/12/2025 15:45:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 08/12/2025 23:00:00. 50 Economy ticket for £20 per person are available. Travel duration is 7h 15m
Fastest Buses Monday
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National Express7h 0m019:15CardiffCoach Station02:15PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 09/12/2025 19:15:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 10/12/2025 02:15:00. 50 Economy ticket for £12 per person are available. Travel duration is 7h 0m
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National Express7h 0m009:00CardiffCoach Station16:00PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 09/12/2025 09:00:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 09/12/2025 16:00:00. 50 Economy ticket for £14 per person are available. Travel duration is 7h 0m
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National Express7h 0m007:20CardiffCoach Station14:20PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 09/12/2025 07:20:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 09/12/2025 14:20:00. 50 Economy ticket for £28 per person are available. Travel duration is 7h 0m
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National Express7h 10m012:30CardiffCoach Station19:40PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 09/12/2025 12:30:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 09/12/2025 19:40:00. 50 Economy ticket for £14 per person are available. Travel duration is 7h 10m
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National Express8h 0m016:30CardiffCoach Station00:30PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 09/12/2025 16:30:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 10/12/2025 00:30:00. 50 Economy ticket for £26 per person are available. Travel duration is 8h 0m
Fastest Buses Tuesday
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National Express7h 0m019:15CardiffCoach Station02:15PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 10/12/2025 19:15:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 11/12/2025 02:15:00. 50 Economy ticket for £15 per person are available. Travel duration is 7h 0m
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National Express7h 0m009:00CardiffCoach Station16:00PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 10/12/2025 09:00:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 10/12/2025 16:00:00. 50 Economy ticket for £21 per person are available. Travel duration is 7h 0m
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National Express7h 10m012:30CardiffCoach Station19:40PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 10/12/2025 12:30:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 10/12/2025 19:40:00. 50 Economy ticket for £22 per person are available. Travel duration is 7h 10m
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National Express7h 25m008:35Bristol AirportBristol Airport16:00PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Bristol Airport, Bristol Airport (United Kingdom) at 10/12/2025 08:35:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 10/12/2025 16:00:00. 50 Economy ticket for £30 per person are available. Travel duration is 7h 25m
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National Express7h 30m008:35Bristol AirportBristol Airport16:05PortsmouthUniversity0EconomyA Bus from National Express goes from Bristol Airport, Bristol Airport (United Kingdom) at 10/12/2025 08:35:00 to University, Portsmouth (United Kingdom) arriving at 10/12/2025 16:05:00. 50 Economy ticket for £30 per person are available. Travel duration is 7h 30m
Fastest Buses Wednesday
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National Express7h 0m019:15CardiffCoach Station02:15PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 11/12/2025 19:15:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/12/2025 02:15:00. 50 Economy ticket for £18 per person are available. Travel duration is 7h 0m
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National Express7h 0m009:00CardiffCoach Station16:00PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 11/12/2025 09:00:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 11/12/2025 16:00:00. 50 Economy ticket for £23 per person are available. Travel duration is 7h 0m
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National Express7h 10m012:30CardiffCoach Station19:40PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 11/12/2025 12:30:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 11/12/2025 19:40:00. 50 Economy ticket for £22 per person are available. Travel duration is 7h 10m
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National Express7h 25m008:35Bristol AirportBristol Airport16:00PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Bristol Airport, Bristol Airport (United Kingdom) at 11/12/2025 08:35:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 11/12/2025 16:00:00. 50 Economy ticket for £32 per person are available. Travel duration is 7h 25m
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National Express7h 30m008:35Bristol AirportBristol Airport16:05PortsmouthUniversity0EconomyA Bus from National Express goes from Bristol Airport, Bristol Airport (United Kingdom) at 11/12/2025 08:35:00 to University, Portsmouth (United Kingdom) arriving at 11/12/2025 16:05:00. 50 Economy ticket for £32 per person are available. Travel duration is 7h 30m
Fastest Buses Thursday
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National Express6h 30m019:45CardiffCoach Station02:15PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/12/2025 19:45:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 13/12/2025 02:15:00. 50 Economy ticket for £25 per person are available. Travel duration is 6h 30m
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National Express7h 0m017:30CardiffCoach Station00:30PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/12/2025 17:30:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 13/12/2025 00:30:00. 50 Economy ticket for £25 per person are available. Travel duration is 7h 0m
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National Express7h 15m015:45CardiffCoach Station23:00PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/12/2025 15:45:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/12/2025 23:00:00. 50 Economy ticket for £25 per person are available. Travel duration is 7h 15m
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National Express7h 25m007:30CardiffCoach Station14:55PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 12/12/2025 07:30:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 12/12/2025 14:55:00. 50 Economy ticket for £25 per person are available. Travel duration is 7h 25m
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National Express7h 45m012:55Bristol AirportBristol Airport20:40PortsmouthUniversity0EconomyA Bus from National Express goes from Bristol Airport, Bristol Airport (United Kingdom) at 12/12/2025 12:55:00 to University, Portsmouth (United Kingdom) arriving at 12/12/2025 20:40:00. 50 Economy ticket for £37 per person are available. Travel duration is 7h 45m
Fastest Buses Friday
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Great Western Railway (GWR)3h 16m012:30CardiffCentral Station15:46PortsmouthPortsmouth & Southsea Station0EconomyA Train from Great Western Railway (GWR) goes from Central Station, Cardiff (United Kingdom) at 13/12/2025 12:30:00 to Portsmouth & Southsea Station, Portsmouth (United Kingdom) arriving at 13/12/2025 15:46:00. 50 Economy ticket for £41 per person are available. Travel duration is 3h 16m
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Great Western Railway (GWR)3h 16m013:30CardiffCentral Station16:46PortsmouthPortsmouth & Southsea Station0EconomyA Train from Great Western Railway (GWR) goes from Central Station, Cardiff (United Kingdom) at 13/12/2025 13:30:00 to Portsmouth & Southsea Station, Portsmouth (United Kingdom) arriving at 13/12/2025 16:46:00. 50 Economy ticket for £41 per person are available. Travel duration is 3h 16m
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Great Western Railway (GWR)3h 16m014:30CardiffCentral Station17:46PortsmouthPortsmouth & Southsea Station0EconomyA Train from Great Western Railway (GWR) goes from Central Station, Cardiff (United Kingdom) at 13/12/2025 14:30:00 to Portsmouth & Southsea Station, Portsmouth (United Kingdom) arriving at 13/12/2025 17:46:00. 50 Economy ticket for £41 per person are available. Travel duration is 3h 16m
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Great Western Railway (GWR)3h 16m015:30CardiffCentral Station18:46PortsmouthPortsmouth & Southsea Station0EconomyA Train from Great Western Railway (GWR) goes from Central Station, Cardiff (United Kingdom) at 13/12/2025 15:30:00 to Portsmouth & Southsea Station, Portsmouth (United Kingdom) arriving at 13/12/2025 18:46:00. 50 Economy ticket for £50 per person are available. Travel duration is 3h 16m
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Great Western Railway (GWR)3h 20m017:27CardiffCentral Station20:47PortsmouthPortsmouth & Southsea Station0EconomyA Train from Great Western Railway (GWR) goes from Central Station, Cardiff (United Kingdom) at 13/12/2025 17:27:00 to Portsmouth & Southsea Station, Portsmouth (United Kingdom) arriving at 13/12/2025 20:47:00. 50 Economy ticket for £41 per person are available. Travel duration is 3h 20m
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National Express6h 20m005:55CardiffCoach Station12:15PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 13/12/2025 05:55:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 13/12/2025 12:15:00. 50 Economy ticket for £31 per person are available. Travel duration is 6h 20m
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National Express6h 30m019:45CardiffCoach Station02:15PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 13/12/2025 19:45:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 14/12/2025 02:15:00. 50 Economy ticket for £31 per person are available. Travel duration is 6h 30m
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National Express7h 0m016:00CardiffCoach Station23:00PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 13/12/2025 16:00:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 13/12/2025 23:00:00. 50 Economy ticket for £31 per person are available. Travel duration is 7h 0m
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National Express7h 0m017:30CardiffCoach Station00:30PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 13/12/2025 17:30:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 14/12/2025 00:30:00. 50 Economy ticket for £31 per person are available. Travel duration is 7h 0m
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National Express7h 14m004:51Bristol AirportBristol Airport12:05PortsmouthInternational Port0EconomyA Bus from National Express goes from Bristol Airport, Bristol Airport (United Kingdom) at 13/12/2025 04:51:00 to International Port, Portsmouth (United Kingdom) arriving at 13/12/2025 12:05:00. 50 Economy ticket for £37 per person are available. Travel duration is 7h 14m
Fastest Trains Saturday
Fastest Buses Saturday
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National Express5h 55m004:45CardiffCoach Station10:40PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 14/12/2025 04:45:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 14/12/2025 10:40:00. 50 Economy ticket for £38 per person are available. Travel duration is 5h 55m
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National Express6h 25m007:30CardiffCoach Station13:55PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 14/12/2025 07:30:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 14/12/2025 13:55:00. 50 Economy ticket for £38 per person are available. Travel duration is 6h 25m
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National Express6h 30m019:45CardiffCoach Station02:15PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 14/12/2025 19:45:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 15/12/2025 02:15:00. 50 Economy ticket for £25 per person are available. Travel duration is 6h 30m
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National Express7h 0m016:00CardiffCoach Station23:00PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 14/12/2025 16:00:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 14/12/2025 23:00:00. 50 Economy ticket for £25 per person are available. Travel duration is 7h 0m
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National Express7h 0m017:30CardiffCoach Station00:30PortsmouthThe Hard Interchange0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 14/12/2025 17:30:00 to The Hard Interchange, Portsmouth (United Kingdom) arriving at 15/12/2025 00:30:00. 50 Economy ticket for £25 per person are available. Travel duration is 7h 0m
Fastest Buses Sunday
Here you will find all operators and timetables for a
Bus from Cardiff to Portsmouth
What are the most popular stations in Cardiff and Portsmouth?
In Cardiff, you will usually depart from Central Station, Dingle Road Train Station or Penarth Train Station, while in Portsmouth you will be arriving at Portsmouth & Southsea Station, City Shops South (Stop D) Bus Station or The Hard Interchange, but there are many more stops to explore in both locations.
How do I decide? Some tips and tricks from our experience
Are you having trouble deciding on how to get to Portsmouth from Cardiff? With 5 connections between 2 Bus and Train operators, it can be difficult to find the one ride that will make you happy. But we have some tips that can help you make the best informed decision. First of all, the best trip is always the one that meets all your needs, so make a list of all the things that you want from this journey and look for something that will satisfy all of them. Here we will go through some of the factors mostly commonly taken into consideration.
Look for the lowest price
Ticket price is usually the main concern: even if you can afford to pay more, why do it if there are cheaper options? Saving on the trip means that you can spend more on the vacation itself! Between Cardiff and Portsmouth, you can pay as low as £12 with a Bus from National Express.Travel duration
Time is also an important factor. An earlier departure may allow you to see a beautiful sunset or relax before an important event. And remember, time is money, so paying more for a shorter trip may be well worth it. For longer distances, flights are without doubt the best options, but be mindful of airport times and possible delays: a high-speed train may end up cheaper and faster! Here the quicker option is definitely the Train from Great Western Railway (GWR): you will get to Portsmouth in just 3h 16m.Comfort makes all the difference
You should always take into account what your personal travelling preferences are. Is one hand luggage enough, or are you trasporting more? Would you like to have a snack during the journey? Can you relax in a busy compartment, or do you need space for yourself? Even among the same mode of transportation, different companies will offer you varying levels of comfort and amenities. The main operators connecting Cardiff and Portsmouth are National Express and Great Western Railway (GWR), but be sure to check what they have to offer!Save money with deals, and always compare
One last tip? Even if you live in Cardiff and Portsmouth is your only destination, it may be wise to check the offers from and to nearby cities or, if you are flyng, nearby airports. Check the trips from Newlyn or to Hilsea, and look at flights from Cardiff Airport, and landing at Southampton Airport. Comparing different routes may allow you to find deals or promotions you were not aware of. Consider also signing up to CheckMyBus to see even more exclusive promotions!Which companies offer a trip from Cardiff to Portsmouth?
The most popular companies between Cardiff and Portsmouth, are National Express and Great Western Railway (GWR). Be sure to check their seat class offers and the amenities that they provide.
Bus companies: National Express
Train companies: Great Western Railway (GWR)
All you need to know when you travel from Cardiff to Portsmouth
Check all information on comfort and services on all modes of transports from Cardiff to Portsmouth. See which seat classes are available, and what amenities are other advantages offered by the operators on your journey.
FAQs about the trip from Cardiff to Portsmouth
How can I reach Portsmouth from Cardiff?
Every day, there are on average 5 connections between Bus and Train, with which you can get to Portsmouth from Cardiff.
How far is Portsmouth from Cardiff?
The distance between Cardiff and Portsmouth is 163.8 km.
What is the most ecofriendly mode of transport between Cardiff and Portsmouth?
Trains and buses are by far the greenest options, with trains surpassing buses on longer routes. Planes will always be the worst polluters, especially in shorter flights, were the emissions from the takeoff and landing are less offset by the distance.
On this particular route, a bus will emit, per person, a total of 4 kgs of CO2, a train 6 kgs, a car 28 kgs, and a flight 40 kgs.
What is the cheapest mode of transport from Cardiff to Portsmouth?
You can get to Portsmouth with just £12 by taking a Bus from National Express.
What is the fastest way to get from Cardiff to Portsmouth?
While a plane is travelling fastest boarding and transfer to airport consumes a lot of time. Usually, high speed trains are better than flights if pure train travel time is below 4 hours. For this particular route, you can get to Portsmouth in just 3h 16m with a Train from Great Western Railway (GWR).
More routes to Cardiff and to Portsmouth
Looking for more options? Here you can see the most popular routes to Cardiff and to Portsmouth. Simply click on a connection, and you’ll find all the details about the route!
- Trips to Cardiff
- Aberdeen to Cardiff
- Bangor to Cardiff
- Bath to Cardiff
- Birmingham to Cardiff
- Brighton to Cardiff
- Bristol Airport to Cardiff
- Bristol to Cardiff
- Edinburgh to Cardiff
- Exeter to Cardiff
- Glasgow to Cardiff
- Liverpool to Cardiff
- London to Cardiff
- Manchester to Cardiff
- Newcastle upon Tyne to Cardiff
- Nottingham to Cardiff
- Oxford to Cardiff
- Paris to Cardiff
- Plymouth to Cardiff
- Reading to Cardiff
- Sheffield to Cardiff
- Stoke-on-Trent to Cardiff
- Swansea to Cardiff

