What is the best way to travel from Portsmouth to Cardiff?
Looking for a trip? Check and compare all the available Buses and Trains to Cardiff from Portsmouth. Look at different modes of transportation, search for the cheapest tickets, fastest rides and most popular stations, and see all 3 available companies to find your perfect trip!
What is the cheapest way to reach Cardiff from Portsmouth?
You can reach Cardiff with just £11 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 Express6h 40m012:35PortsmouthThe Hard Interchange19:15CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 06/12/2025 12:35:00 to Coach Station, Cardiff (United Kingdom) arriving at 06/12/2025 19:15:00. 50 Economy ticket for £33 per person are available. Travel duration is 6h 40m
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National Express6h 15m018:45PortsmouthThe Hard Interchange01:00CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 06/12/2025 18:45:00 to Coach Station, Cardiff (United Kingdom) arriving at 07/12/2025 01:00:00. 50 Economy ticket for £33 per person are available. Travel duration is 6h 15m
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National Express5h 30m020:10PortsmouthThe Hard Interchange01:40CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 06/12/2025 20:10:00 to Coach Station, Cardiff (United Kingdom) arriving at 07/12/2025 01:40:00. 50 Economy ticket for £35 per person are available. Travel duration is 5h 30m
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National Express5h 45m016:55PortsmouthThe Hard Interchange22:40CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 06/12/2025 16:55:00 to Coach Station, Cardiff (United Kingdom) arriving at 06/12/2025 22:40:00. 50 Economy ticket for £38 per person are available. Travel duration is 5h 45m
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National Express5h 35m010:50PortsmouthThe Hard Interchange16:25CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 06/12/2025 10:50:00 to Coach Station, Cardiff (United Kingdom) arriving at 06/12/2025 16:25:00. 50 Economy ticket for £42 per person are available. Travel duration is 5h 35m
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Great Western Railway (GWR)3h 31m006:12PortsmouthPortsmouth & Southsea Station09:43CardiffCentral Station0EconomyA Train from Great Western Railway (GWR) goes from Portsmouth & Southsea Station, Portsmouth (United Kingdom) at 06/12/2025 06:12:00 to Central Station, Cardiff (United Kingdom) arriving at 06/12/2025 09:43:00. 50 Economy ticket for £75 per person are available. Travel duration is 3h 31m
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Great Western Railway (GWR)3h 23m007:27PortsmouthPortsmouth & Southsea Station10:50CardiffCentral Station0EconomyA Train from Great Western Railway (GWR) goes from Portsmouth & Southsea Station, Portsmouth (United Kingdom) at 06/12/2025 07:27:00 to Central Station, Cardiff (United Kingdom) arriving at 06/12/2025 10:50:00. 50 Economy ticket for £75 per person are available. Travel duration is 3h 23m
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Great Western Railway (GWR)3h 19m008:27PortsmouthPortsmouth & Southsea Station11:46CardiffCentral Station0EconomyA Train from Great Western Railway (GWR) goes from Portsmouth & Southsea Station, Portsmouth (United Kingdom) at 06/12/2025 08:27:00 to Central Station, Cardiff (United Kingdom) arriving at 06/12/2025 11:46:00. 50 Economy ticket for £75 per person are available. Travel duration is 3h 19m
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South Western Railway3h 37m007:00PortsmouthPortsmouth & Southsea Station10:37CardiffCentral Station0EconomyA Train from South Western Railway goes from Portsmouth & Southsea Station, Portsmouth (United Kingdom) at 06/12/2025 07:00:00 to Central Station, Cardiff (United Kingdom) arriving at 06/12/2025 10:37:00. 50 Economy ticket for £123 per person are available. Travel duration is 3h 37m
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South Western Railway3h 41m008:00PortsmouthPortsmouth & Southsea Station11:41CardiffCentral Station0EconomyA Train from South Western Railway goes from Portsmouth & Southsea Station, Portsmouth (United Kingdom) at 06/12/2025 08:00:00 to Central Station, Cardiff (United Kingdom) arriving at 06/12/2025 11:41:00. 50 Economy ticket for £123 per person are available. Travel duration is 3h 41m
Cheapest Buses Saturday
Cheapest Trains Saturday
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National Express6h 15m018:45PortsmouthThe Hard Interchange01:00CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 08/12/2025 18:45:00 to Coach Station, Cardiff (United Kingdom) arriving at 09/12/2025 01:00:00. 50 Economy ticket for £14 per person are available. Travel duration is 6h 15m
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National Express7h 0m012:35PortsmouthThe Hard Interchange19:35CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 08/12/2025 12:35:00 to Coach Station, Cardiff (United Kingdom) arriving at 08/12/2025 19:35:00. 50 Economy ticket for £23 per person are available. Travel duration is 7h 0m
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National Express6h 50m007:20PortsmouthThe Hard Interchange14:10CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 08/12/2025 07:20:00 to Coach Station, Cardiff (United Kingdom) arriving at 08/12/2025 14:10:00. 50 Economy ticket for £25 per person are available. Travel duration is 6h 50m
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National Express5h 30m020:10PortsmouthThe Hard Interchange01:40CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 08/12/2025 20:10:00 to Coach Station, Cardiff (United Kingdom) arriving at 09/12/2025 01:40:00. 50 Economy ticket for £33 per person are available. Travel duration is 5h 30m
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National Express5h 55m016:45PortsmouthThe Hard Interchange22:40CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 08/12/2025 16:45:00 to Coach Station, Cardiff (United Kingdom) arriving at 08/12/2025 22:40:00. 50 Economy ticket for £40 per person are available. Travel duration is 5h 55m
Cheapest Buses Monday
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National Express6h 10m018:45PortsmouthThe Hard Interchange00:55CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 09/12/2025 18:45:00 to Coach Station, Cardiff (United Kingdom) arriving at 10/12/2025 00:55:00. 50 Economy ticket for £11 per person are available. Travel duration is 6h 10m
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National Express6h 50m014:55PortsmouthThe Hard Interchange21:45CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 09/12/2025 14:55:00 to Coach Station, Cardiff (United Kingdom) arriving at 09/12/2025 21:45:00. 50 Economy ticket for £13 per person are available. Travel duration is 6h 50m
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National Express7h 25m011:05PortsmouthThe Hard Interchange18:30CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 09/12/2025 11:05:00 to Coach Station, Cardiff (United Kingdom) arriving at 09/12/2025 18:30:00. 50 Economy ticket for £14 per person are available. Travel duration is 7h 25m
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National Express8h 30m007:50PortsmouthThe Hard Interchange16:20CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 09/12/2025 07:50:00 to Coach Station, Cardiff (United Kingdom) arriving at 09/12/2025 16:20:00. 50 Economy ticket for £18 per person are available. Travel duration is 8h 30m
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National Express5h 30m020:10PortsmouthThe Hard Interchange01:40CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 09/12/2025 20:10:00 to Coach Station, Cardiff (United Kingdom) arriving at 10/12/2025 01:40:00. 50 Economy ticket for £23 per person are available. Travel duration is 5h 30m
Cheapest Buses Tuesday
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National Express6h 10m018:45PortsmouthThe Hard Interchange00:55CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 10/12/2025 18:45:00 to Coach Station, Cardiff (United Kingdom) arriving at 11/12/2025 00:55:00. 50 Economy ticket for £15 per person are available. Travel duration is 6h 10m
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National Express6h 50m014:55PortsmouthThe Hard Interchange21:45CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 10/12/2025 14:55:00 to Coach Station, Cardiff (United Kingdom) arriving at 10/12/2025 21:45:00. 50 Economy ticket for £17 per person are available. Travel duration is 6h 50m
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National Express7h 25m011:05PortsmouthThe Hard Interchange18:30CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 10/12/2025 11:05:00 to Coach Station, Cardiff (United Kingdom) arriving at 10/12/2025 18:30:00. 50 Economy ticket for £18 per person are available. Travel duration is 7h 25m
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National Express8h 30m007:50PortsmouthThe Hard Interchange16:20CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 10/12/2025 07:50:00 to Coach Station, Cardiff (United Kingdom) arriving at 10/12/2025 16:20:00. 50 Economy ticket for £25 per person are available. Travel duration is 8h 30m
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National Express5h 30m020:10PortsmouthThe Hard Interchange01:40CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 10/12/2025 20:10:00 to Coach Station, Cardiff (United Kingdom) arriving at 11/12/2025 01:40:00. 50 Economy ticket for £29 per person are available. Travel duration is 5h 30m
Cheapest Buses Wednesday
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National Express6h 10m018:45PortsmouthThe Hard Interchange00:55CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 11/12/2025 18:45:00 to Coach Station, Cardiff (United Kingdom) arriving at 12/12/2025 00:55:00. 50 Economy ticket for £12 per person are available. Travel duration is 6h 10m
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National Express6h 50m014:55PortsmouthThe Hard Interchange21:45CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 11/12/2025 14:55:00 to Coach Station, Cardiff (United Kingdom) arriving at 11/12/2025 21:45:00. 50 Economy ticket for £21 per person are available. Travel duration is 6h 50m
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National Express7h 25m011:05PortsmouthThe Hard Interchange18:30CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 11/12/2025 11:05:00 to Coach Station, Cardiff (United Kingdom) arriving at 11/12/2025 18:30:00. 50 Economy ticket for £28 per person are available. Travel duration is 7h 25m
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National Express8h 30m007:50PortsmouthThe Hard Interchange16:20CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 11/12/2025 07:50:00 to Coach Station, Cardiff (United Kingdom) arriving at 11/12/2025 16:20:00. 50 Economy ticket for £33 per person are available. Travel duration is 8h 30m
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National Express5h 30m020:10PortsmouthThe Hard Interchange01:40CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 11/12/2025 20:10:00 to Coach Station, Cardiff (United Kingdom) arriving at 12/12/2025 01:40:00. 50 Economy ticket for £34 per person are available. Travel duration is 5h 30m
Cheapest Buses Thursday
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National Express6h 50m007:20PortsmouthThe Hard Interchange14:10CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 12/12/2025 07:20:00 to Coach Station, Cardiff (United Kingdom) arriving at 12/12/2025 14:10:00. 50 Economy ticket for £25 per person are available. Travel duration is 6h 50m
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National Express7h 20m012:35PortsmouthThe Hard Interchange19:55CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 12/12/2025 12:35:00 to Coach Station, Cardiff (United Kingdom) arriving at 12/12/2025 19:55:00. 50 Economy ticket for £25 per person are available. Travel duration is 7h 20m
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National Express6h 15m018:45PortsmouthThe Hard Interchange01:00CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 12/12/2025 18:45:00 to Coach Station, Cardiff (United Kingdom) arriving at 13/12/2025 01:00:00. 50 Economy ticket for £25 per person are available. Travel duration is 6h 15m
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National Express7h 40m003:20PortsmouthThe Hard Interchange11:00CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 12/12/2025 03:20:00 to Coach Station, Cardiff (United Kingdom) arriving at 12/12/2025 11:00:00. 50 Economy ticket for £38 per person are available. Travel duration is 7h 40m
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National Express6h 10m010:50PortsmouthThe Hard Interchange17:00CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 12/12/2025 10:50:00 to Coach Station, Cardiff (United Kingdom) arriving at 12/12/2025 17:00:00. 50 Economy ticket for £38 per person are available. Travel duration is 6h 10m
Cheapest Buses Friday
What are the fastest trips from Portsmouth to Cardiff?
You can get to Cardiff from Portsmouth in just 3h 19m 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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Great Western Railway (GWR)3h 19m008:27PortsmouthPortsmouth & Southsea Station11:46CardiffCentral Station0EconomyA Train from Great Western Railway (GWR) goes from Portsmouth & Southsea Station, Portsmouth (United Kingdom) at 06/12/2025 08:27:00 to Central Station, Cardiff (United Kingdom) arriving at 06/12/2025 11:46:00. 50 Economy ticket for £75 per person are available. Travel duration is 3h 19m
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Great Western Railway (GWR)3h 23m007:27PortsmouthPortsmouth & Southsea Station10:50CardiffCentral Station0EconomyA Train from Great Western Railway (GWR) goes from Portsmouth & Southsea Station, Portsmouth (United Kingdom) at 06/12/2025 07:27:00 to Central Station, Cardiff (United Kingdom) arriving at 06/12/2025 10:50:00. 50 Economy ticket for £75 per person are available. Travel duration is 3h 23m
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Great Western Railway (GWR)3h 31m006:12PortsmouthPortsmouth & Southsea Station09:43CardiffCentral Station0EconomyA Train from Great Western Railway (GWR) goes from Portsmouth & Southsea Station, Portsmouth (United Kingdom) at 06/12/2025 06:12:00 to Central Station, Cardiff (United Kingdom) arriving at 06/12/2025 09:43:00. 50 Economy ticket for £75 per person are available. Travel duration is 3h 31m
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South Western Railway3h 37m007:00PortsmouthPortsmouth & Southsea Station10:37CardiffCentral Station0EconomyA Train from South Western Railway goes from Portsmouth & Southsea Station, Portsmouth (United Kingdom) at 06/12/2025 07:00:00 to Central Station, Cardiff (United Kingdom) arriving at 06/12/2025 10:37:00. 50 Economy ticket for £123 per person are available. Travel duration is 3h 37m
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South Western Railway3h 41m008:00PortsmouthPortsmouth & Southsea Station11:41CardiffCentral Station0EconomyA Train from South Western Railway goes from Portsmouth & Southsea Station, Portsmouth (United Kingdom) at 06/12/2025 08:00:00 to Central Station, Cardiff (United Kingdom) arriving at 06/12/2025 11:41:00. 50 Economy ticket for £123 per person are available. Travel duration is 3h 41m
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National Express5h 30m020:10PortsmouthThe Hard Interchange01:40CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 06/12/2025 20:10:00 to Coach Station, Cardiff (United Kingdom) arriving at 07/12/2025 01:40:00. 50 Economy ticket for £35 per person are available. Travel duration is 5h 30m
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National Express5h 35m010:50PortsmouthThe Hard Interchange16:25CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 06/12/2025 10:50:00 to Coach Station, Cardiff (United Kingdom) arriving at 06/12/2025 16:25:00. 50 Economy ticket for £42 per person are available. Travel duration is 5h 35m
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National Express5h 45m016:55PortsmouthThe Hard Interchange22:40CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 06/12/2025 16:55:00 to Coach Station, Cardiff (United Kingdom) arriving at 06/12/2025 22:40:00. 50 Economy ticket for £38 per person are available. Travel duration is 5h 45m
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National Express6h 15m018:45PortsmouthThe Hard Interchange01:00CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 06/12/2025 18:45:00 to Coach Station, Cardiff (United Kingdom) arriving at 07/12/2025 01:00:00. 50 Economy ticket for £33 per person are available. Travel duration is 6h 15m
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National Express6h 40m012:35PortsmouthThe Hard Interchange19:15CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 06/12/2025 12:35:00 to Coach Station, Cardiff (United Kingdom) arriving at 06/12/2025 19:15:00. 50 Economy ticket for £33 per person are available. Travel duration is 6h 40m
Fastest Trains Saturday
Fastest Buses Saturday
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National Express5h 30m020:10PortsmouthThe Hard Interchange01:40CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 08/12/2025 20:10:00 to Coach Station, Cardiff (United Kingdom) arriving at 09/12/2025 01:40:00. 50 Economy ticket for £33 per person are available. Travel duration is 5h 30m
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National Express5h 55m016:45PortsmouthThe Hard Interchange22:40CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 08/12/2025 16:45:00 to Coach Station, Cardiff (United Kingdom) arriving at 08/12/2025 22:40:00. 50 Economy ticket for £40 per person are available. Travel duration is 5h 55m
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National Express6h 15m018:45PortsmouthThe Hard Interchange01:00CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 08/12/2025 18:45:00 to Coach Station, Cardiff (United Kingdom) arriving at 09/12/2025 01:00:00. 50 Economy ticket for £14 per person are available. Travel duration is 6h 15m
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National Express6h 50m007:20PortsmouthThe Hard Interchange14:10CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 08/12/2025 07:20:00 to Coach Station, Cardiff (United Kingdom) arriving at 08/12/2025 14:10:00. 50 Economy ticket for £25 per person are available. Travel duration is 6h 50m
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National Express7h 0m012:35PortsmouthThe Hard Interchange19:35CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 08/12/2025 12:35:00 to Coach Station, Cardiff (United Kingdom) arriving at 08/12/2025 19:35:00. 50 Economy ticket for £23 per person are available. Travel duration is 7h 0m
Fastest Buses Monday
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National Express5h 30m020:10PortsmouthThe Hard Interchange01:40CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 09/12/2025 20:10:00 to Coach Station, Cardiff (United Kingdom) arriving at 10/12/2025 01:40:00. 50 Economy ticket for £23 per person are available. Travel duration is 5h 30m
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National Express6h 10m018:45PortsmouthThe Hard Interchange00:55CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 09/12/2025 18:45:00 to Coach Station, Cardiff (United Kingdom) arriving at 10/12/2025 00:55:00. 50 Economy ticket for £11 per person are available. Travel duration is 6h 10m
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National Express6h 50m014:55PortsmouthThe Hard Interchange21:45CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 09/12/2025 14:55:00 to Coach Station, Cardiff (United Kingdom) arriving at 09/12/2025 21:45:00. 50 Economy ticket for £13 per person are available. Travel duration is 6h 50m
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National Express7h 25m011:05PortsmouthThe Hard Interchange18:30CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 09/12/2025 11:05:00 to Coach Station, Cardiff (United Kingdom) arriving at 09/12/2025 18:30:00. 50 Economy ticket for £14 per person are available. Travel duration is 7h 25m
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National Express8h 30m007:50PortsmouthThe Hard Interchange16:20CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 09/12/2025 07:50:00 to Coach Station, Cardiff (United Kingdom) arriving at 09/12/2025 16:20:00. 50 Economy ticket for £18 per person are available. Travel duration is 8h 30m
Fastest Buses Tuesday
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National Express5h 30m020:10PortsmouthThe Hard Interchange01:40CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 10/12/2025 20:10:00 to Coach Station, Cardiff (United Kingdom) arriving at 11/12/2025 01:40:00. 50 Economy ticket for £29 per person are available. Travel duration is 5h 30m
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National Express6h 10m018:45PortsmouthThe Hard Interchange00:55CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 10/12/2025 18:45:00 to Coach Station, Cardiff (United Kingdom) arriving at 11/12/2025 00:55:00. 50 Economy ticket for £15 per person are available. Travel duration is 6h 10m
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National Express6h 50m014:55PortsmouthThe Hard Interchange21:45CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 10/12/2025 14:55:00 to Coach Station, Cardiff (United Kingdom) arriving at 10/12/2025 21:45:00. 50 Economy ticket for £17 per person are available. Travel duration is 6h 50m
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National Express7h 25m011:05PortsmouthThe Hard Interchange18:30CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 10/12/2025 11:05:00 to Coach Station, Cardiff (United Kingdom) arriving at 10/12/2025 18:30:00. 50 Economy ticket for £18 per person are available. Travel duration is 7h 25m
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National Express8h 30m007:50PortsmouthThe Hard Interchange16:20CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 10/12/2025 07:50:00 to Coach Station, Cardiff (United Kingdom) arriving at 10/12/2025 16:20:00. 50 Economy ticket for £25 per person are available. Travel duration is 8h 30m
Fastest Buses Wednesday
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National Express5h 30m020:10PortsmouthThe Hard Interchange01:40CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 11/12/2025 20:10:00 to Coach Station, Cardiff (United Kingdom) arriving at 12/12/2025 01:40:00. 50 Economy ticket for £34 per person are available. Travel duration is 5h 30m
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National Express6h 10m018:45PortsmouthThe Hard Interchange00:55CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 11/12/2025 18:45:00 to Coach Station, Cardiff (United Kingdom) arriving at 12/12/2025 00:55:00. 50 Economy ticket for £12 per person are available. Travel duration is 6h 10m
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National Express6h 50m014:55PortsmouthThe Hard Interchange21:45CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 11/12/2025 14:55:00 to Coach Station, Cardiff (United Kingdom) arriving at 11/12/2025 21:45:00. 50 Economy ticket for £21 per person are available. Travel duration is 6h 50m
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National Express7h 25m011:05PortsmouthThe Hard Interchange18:30CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 11/12/2025 11:05:00 to Coach Station, Cardiff (United Kingdom) arriving at 11/12/2025 18:30:00. 50 Economy ticket for £28 per person are available. Travel duration is 7h 25m
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National Express8h 30m007:50PortsmouthThe Hard Interchange16:20CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 11/12/2025 07:50:00 to Coach Station, Cardiff (United Kingdom) arriving at 11/12/2025 16:20:00. 50 Economy ticket for £33 per person are available. Travel duration is 8h 30m
Fastest Buses Thursday
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National Express6h 10m010:50PortsmouthThe Hard Interchange17:00CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 12/12/2025 10:50:00 to Coach Station, Cardiff (United Kingdom) arriving at 12/12/2025 17:00:00. 50 Economy ticket for £38 per person are available. Travel duration is 6h 10m
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National Express6h 15m018:45PortsmouthThe Hard Interchange01:00CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 12/12/2025 18:45:00 to Coach Station, Cardiff (United Kingdom) arriving at 13/12/2025 01:00:00. 50 Economy ticket for £25 per person are available. Travel duration is 6h 15m
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National Express6h 50m007:20PortsmouthThe Hard Interchange14:10CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 12/12/2025 07:20:00 to Coach Station, Cardiff (United Kingdom) arriving at 12/12/2025 14:10:00. 50 Economy ticket for £25 per person are available. Travel duration is 6h 50m
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National Express7h 20m012:35PortsmouthThe Hard Interchange19:55CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 12/12/2025 12:35:00 to Coach Station, Cardiff (United Kingdom) arriving at 12/12/2025 19:55:00. 50 Economy ticket for £25 per person are available. Travel duration is 7h 20m
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National Express7h 40m003:20PortsmouthThe Hard Interchange11:00CardiffCoach Station0EconomyA Bus from National Express goes from The Hard Interchange, Portsmouth (United Kingdom) at 12/12/2025 03:20:00 to Coach Station, Cardiff (United Kingdom) arriving at 12/12/2025 11:00:00. 50 Economy ticket for £38 per person are available. Travel duration is 7h 40m
Fastest Buses Friday
Here you will find all operators and timetables for a
Bus from Portsmouth to Cardiff
What are the most popular stations in Portsmouth and Cardiff?
In Portsmouth, you will usually depart from Portsmouth & Southsea Station, City Shops South (Stop D) Bus Station or The Hard Interchange, while in Cardiff you will be arriving at Central Station, Penarth Train Station or Dingle Road Train Station, 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 Cardiff from Portsmouth? With 5 connections between 3 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 Portsmouth and Cardiff, you can pay as low as £11 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 Cardiff in just 3h 19m.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 Portsmouth and Cardiff are National Express, Great Western Railway (GWR) and South Western Railway, 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 Portsmouth and Cardiff 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 Hilsea or to Newlyn, and look at flights from Southampton Airport, and landing at Cardiff 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 Portsmouth to Cardiff?
The most popular companies between Portsmouth and Cardiff, are National Express, Great Western Railway (GWR) and South Western Railway. Be sure to check their seat class offers and the amenities that they provide.
Bus companies: National Express
Train companies: Great Western Railway (GWR) and South Western Railway
All you need to know when you travel from Portsmouth to Cardiff
Check all information on comfort and services on all modes of transports from Portsmouth to Cardiff. See which seat classes are available, and what amenities are other advantages offered by the operators on your journey.
FAQs about the trip from Portsmouth to Cardiff
How can I reach Cardiff from Portsmouth?
Every day, there are on average 5 connections between Bus and Train, with which you can get to Cardiff from Portsmouth.
How far is Cardiff from Portsmouth?
The distance between Portsmouth and Cardiff is 163.8 km.
What is the most ecofriendly mode of transport between Portsmouth and Cardiff?
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 Portsmouth to Cardiff?
You can get to Cardiff with just £11 by taking a Bus from National Express.
What is the fastest way to get from Portsmouth to Cardiff?
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 Cardiff in just 3h 19m with a Train from Great Western Railway (GWR).
More routes to Portsmouth and to Cardiff
Looking for more options? Here you can see the most popular routes to Portsmouth and to Cardiff. Simply click on a connection, and you’ll find all the details about the route!
- Trips to Portsmouth
- Bath to Portsmouth
- Birmingham to Portsmouth
- Bournemouth to Portsmouth
- Brighton to Portsmouth
- Bristol to Portsmouth
- Edinburgh to Portsmouth
- Leicester to Portsmouth
- Manchester to Portsmouth
- Nottingham to Portsmouth
- Southampton to Portsmouth
- Trips to Cardiff
- Aberdeen to Cardiff
- Bangor to Cardiff
- Bath to Cardiff
- Birmingham to Cardiff
- Bristol Airport to Cardiff
- Bristol to Cardiff
- Edinburgh to Cardiff
- Glasgow to Cardiff
- Gloucester to Cardiff
- Hull to Cardiff
- Leicester to Cardiff
- Liverpool to Cardiff
- London to Cardiff
- Manchester to Cardiff
- Middlesbrough to Cardiff
- Newcastle upon Tyne to Cardiff
- Newport (Wales) to Cardiff
- Oxford to Cardiff
- Paris to Cardiff
- Sunderland to Cardiff
- Swansea to Cardiff
- Zurich to Cardiff

