What is the best way to travel from Reading to Cardiff?
Looking for a trip? Check and compare all the available Trains and Buses to Cardiff from Reading. 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 Reading?
You can reach Cardiff with just £8 by taking a Bus from FlixBus, 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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FlixBus2h 30m020:25ReadingMereoak Park & Ride22:55CardiffKingsway Coach Stop0EconomyA Bus from FlixBus goes from Mereoak Park & Ride, Reading (United Kingdom) at 22/03/2026 20:25:00 to Kingsway Coach Stop, Cardiff (United Kingdom) arriving at 22/03/2026 22:55:00. 50 Economy ticket for £10 per person are available. Travel duration is 2h 30m
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National Express5h 15m022:20London Heathrow AirportHeathrow Terminal 5 Coach Station03:35CardiffUniversity0EconomyA Bus from National Express goes from Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) at 22/03/2026 22:20:00 to University, Cardiff (United Kingdom) arriving at 23/03/2026 03:35:00. 50 Economy ticket for £17 per person are available. Travel duration is 5h 15m
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National Express5h 0m022:35London Heathrow AirportHeathrow Coach Station03:35CardiffUniversity0EconomyA Bus from National Express goes from Heathrow Coach Station, London Heathrow Airport (United Kingdom) at 22/03/2026 22:35:00 to University, Cardiff (United Kingdom) arriving at 23/03/2026 03:35:00. 50 Economy ticket for £19 per person are available. Travel duration is 5h 0m
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National Express3h 15m019:25London Heathrow AirportHeathrow Terminal 5 Coach Station22:40CardiffCoach Station0EconomyA Bus from National Express goes from Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) at 22/03/2026 19:25:00 to Coach Station, Cardiff (United Kingdom) arriving at 22/03/2026 22:40:00. 50 Economy ticket for £19 per person are available. Travel duration is 3h 15m
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FlixBus3h 20m005:05London Heathrow AirportHeathrow Coach Station08:25CardiffKingsway Coach Stop0EconomyA Bus from FlixBus goes from Heathrow Coach Station, London Heathrow Airport (United Kingdom) at 22/03/2026 05:05:00 to Kingsway Coach Stop, Cardiff (United Kingdom) arriving at 22/03/2026 08:25:00. 50 Economy ticket for £20 per person are available. Travel duration is 3h 20m
Cheapest Buses Sunday
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National Express3h 50m000:10London Heathrow AirportHeathrow Terminal 5 Coach Station04:00CardiffCoach Station0EconomyA Bus from National Express goes from Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) at 23/03/2026 00:10:00 to Coach Station, Cardiff (United Kingdom) arriving at 23/03/2026 04:00:00. 50 Economy ticket for £13 per person are available. Travel duration is 3h 50m
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National Express5h 25m018:25London Heathrow AirportHeathrow Terminal 5 Coach Station23:50CardiffUniversity0EconomyA Bus from National Express goes from Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) at 23/03/2026 18:25:00 to University, Cardiff (United Kingdom) arriving at 23/03/2026 23:50:00. 50 Economy ticket for £14 per person are available. Travel duration is 5h 25m
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FlixBus3h 10m000:15London Heathrow AirportHeathrow Coach Station03:25CardiffKingsway Coach Stop0EconomyA Bus from FlixBus goes from Heathrow Coach Station, London Heathrow Airport (United Kingdom) at 23/03/2026 00:15:00 to Kingsway Coach Stop, Cardiff (United Kingdom) arriving at 23/03/2026 03:25:00. 50 Economy ticket for £14 per person are available. Travel duration is 3h 10m
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FlixBus3h 25m000:40London Heathrow AirportHeathrow Coach Station04:05CardiffKingsway Coach Stop0EconomyA Bus from FlixBus goes from Heathrow Coach Station, London Heathrow Airport (United Kingdom) at 23/03/2026 00:40:00 to Kingsway Coach Stop, Cardiff (United Kingdom) arriving at 23/03/2026 04:05:00. 50 Economy ticket for £14 per person are available. Travel duration is 3h 25m
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FlixBus3h 40m007:05London Heathrow AirportHeathrow Coach Station10:45CardiffKingsway Coach Stop0EconomyA Bus from FlixBus goes from Heathrow Coach Station, London Heathrow Airport (United Kingdom) at 23/03/2026 07:05:00 to Kingsway Coach Stop, Cardiff (United Kingdom) arriving at 23/03/2026 10:45:00. 50 Economy ticket for £14 per person are available. Travel duration is 3h 40m
Cheapest Buses Monday
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National Express5h 35m011:30London Heathrow AirportHeathrow Terminal 5 Coach Station17:05CardiffUniversity0EconomyA Bus from National Express goes from Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) at 24/03/2026 11:30:00 to University, Cardiff (United Kingdom) arriving at 24/03/2026 17:05:00. 50 Economy ticket for £11 per person are available. Travel duration is 5h 35m
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National Express5h 45m014:30London Heathrow AirportHeathrow Terminal 5 Coach Station20:15CardiffUniversity0EconomyA Bus from National Express goes from Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) at 24/03/2026 14:30:00 to University, Cardiff (United Kingdom) arriving at 24/03/2026 20:15:00. 50 Economy ticket for £11 per person are available. Travel duration is 5h 45m
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National Express5h 35m017:50London Heathrow AirportHeathrow Terminal 5 Coach Station23:25CardiffUniversity0EconomyA Bus from National Express goes from Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) at 24/03/2026 17:50:00 to University, Cardiff (United Kingdom) arriving at 24/03/2026 23:25:00. 50 Economy ticket for £11 per person are available. Travel duration is 5h 35m
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FlixBus3h 25m000:40London Heathrow AirportHeathrow Coach Station04:05CardiffKingsway Coach Stop0EconomyA Bus from FlixBus goes from Heathrow Coach Station, London Heathrow Airport (United Kingdom) at 24/03/2026 00:40:00 to Kingsway Coach Stop, Cardiff (United Kingdom) arriving at 24/03/2026 04:05:00. 50 Economy ticket for £13 per person are available. Travel duration is 3h 25m
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FlixBus3h 20m005:05London Heathrow AirportHeathrow Coach Station08:25CardiffKingsway Coach Stop0EconomyA Bus from FlixBus goes from Heathrow Coach Station, London Heathrow Airport (United Kingdom) at 24/03/2026 05:05:00 to Kingsway Coach Stop, Cardiff (United Kingdom) arriving at 24/03/2026 08:25:00. 50 Economy ticket for £13 per person are available. Travel duration is 3h 20m
Cheapest Buses Tuesday
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FlixBus2h 30m020:25ReadingMereoak Park & Ride22:55CardiffKingsway Coach Stop0EconomyA Bus from FlixBus goes from Mereoak Park & Ride, Reading (United Kingdom) at 25/03/2026 20:25:00 to Kingsway Coach Stop, Cardiff (United Kingdom) arriving at 25/03/2026 22:55:00. 50 Economy ticket for £8 per person are available. Travel duration is 2h 30m
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National Express5h 25m019:20London Heathrow AirportHeathrow Terminal 5 Coach Station00:45CardiffUniversity0EconomyA Bus from National Express goes from Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) at 25/03/2026 19:20:00 to University, Cardiff (United Kingdom) arriving at 26/03/2026 00:45:00. 50 Economy ticket for £10 per person are available. Travel duration is 5h 25m
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National Express5h 35m011:30London Heathrow AirportHeathrow Terminal 5 Coach Station17:05CardiffUniversity0EconomyA Bus from National Express goes from Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) at 25/03/2026 11:30:00 to University, Cardiff (United Kingdom) arriving at 25/03/2026 17:05:00. 50 Economy ticket for £11 per person are available. Travel duration is 5h 35m
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National Express5h 45m010:25London Heathrow AirportHeathrow Terminal 5 Coach Station16:10CardiffUniversity0EconomyA Bus from National Express goes from Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) at 25/03/2026 10:25:00 to University, Cardiff (United Kingdom) arriving at 25/03/2026 16:10:00. 50 Economy ticket for £13 per person are available. Travel duration is 5h 45m
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FlixBus3h 10m000:15London Heathrow AirportHeathrow Coach Station03:25CardiffKingsway Coach Stop0EconomyA Bus from FlixBus goes from Heathrow Coach Station, London Heathrow Airport (United Kingdom) at 25/03/2026 00:15:00 to Kingsway Coach Stop, Cardiff (United Kingdom) arriving at 25/03/2026 03:25:00. 50 Economy ticket for £13 per person are available. Travel duration is 3h 10m
Cheapest Buses Wednesday
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National Express5h 25m019:20London Heathrow AirportHeathrow Terminal 5 Coach Station00:45CardiffUniversity0EconomyA Bus from National Express goes from Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) at 26/03/2026 19:20:00 to University, Cardiff (United Kingdom) arriving at 27/03/2026 00:45:00. 50 Economy ticket for £11 per person are available. Travel duration is 5h 25m
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National Express5h 35m011:30London Heathrow AirportHeathrow Terminal 5 Coach Station17:05CardiffUniversity0EconomyA Bus from National Express goes from Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) at 26/03/2026 11:30:00 to University, Cardiff (United Kingdom) arriving at 26/03/2026 17:05:00. 50 Economy ticket for £12 per person are available. Travel duration is 5h 35m
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National Express5h 40m015:25London Heathrow AirportHeathrow Terminal 5 Coach Station21:05CardiffUniversity0EconomyA Bus from National Express goes from Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) at 26/03/2026 15:25:00 to University, Cardiff (United Kingdom) arriving at 26/03/2026 21:05:00. 50 Economy ticket for £13 per person are available. Travel duration is 5h 40m
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FlixBus3h 10m000:15London Heathrow AirportHeathrow Coach Station03:25CardiffKingsway Coach Stop0EconomyA Bus from FlixBus goes from Heathrow Coach Station, London Heathrow Airport (United Kingdom) at 26/03/2026 00:15:00 to Kingsway Coach Stop, Cardiff (United Kingdom) arriving at 26/03/2026 03:25:00. 50 Economy ticket for £14 per person are available. Travel duration is 3h 10m
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FlixBus3h 25m000:40London Heathrow AirportHeathrow Coach Station04:05CardiffKingsway Coach Stop0EconomyA Bus from FlixBus goes from Heathrow Coach Station, London Heathrow Airport (United Kingdom) at 26/03/2026 00:40:00 to Kingsway Coach Stop, Cardiff (United Kingdom) arriving at 26/03/2026 04:05:00. 50 Economy ticket for £14 per person are available. Travel duration is 3h 25m
Cheapest Buses Thursday
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National Express3h 50m000:10London Heathrow AirportHeathrow Terminal 5 Coach Station04:00CardiffCoach Station0EconomyA Bus from National Express goes from Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) at 27/03/2026 00:10:00 to Coach Station, Cardiff (United Kingdom) arriving at 27/03/2026 04:00:00. 50 Economy ticket for £15 per person are available. Travel duration is 3h 50m
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National Express3h 50m013:10London Heathrow AirportHeathrow Terminal 5 Coach Station17:00CardiffCoach Station0EconomyA Bus from National Express goes from Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) at 27/03/2026 13:10:00 to Coach Station, Cardiff (United Kingdom) arriving at 27/03/2026 17:00:00. 50 Economy ticket for £15 per person are available. Travel duration is 3h 50m
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National Express3h 30m015:10London Heathrow AirportHeathrow Terminal 5 Coach Station18:40CardiffCoach Station0EconomyA Bus from National Express goes from Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) at 27/03/2026 15:10:00 to Coach Station, Cardiff (United Kingdom) arriving at 27/03/2026 18:40:00. 50 Economy ticket for £15 per person are available. Travel duration is 3h 30m
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FlixBus3h 30m018:45London Heathrow AirportHeathrow Coach Station22:15CardiffKingsway Coach Stop0EconomyA Bus from FlixBus goes from Heathrow Coach Station, London Heathrow Airport (United Kingdom) at 27/03/2026 18:45:00 to Kingsway Coach Stop, Cardiff (United Kingdom) arriving at 27/03/2026 22:15:00. 50 Economy ticket for £15 per person are available. Travel duration is 3h 30m
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FlixBus3h 25m022:00London Heathrow AirportHeathrow Coach Station01:25CardiffKingsway Coach Stop0EconomyA Bus from FlixBus goes from Heathrow Coach Station, London Heathrow Airport (United Kingdom) at 27/03/2026 22:00:00 to Kingsway Coach Stop, Cardiff (United Kingdom) arriving at 28/03/2026 01:25:00. 50 Economy ticket for £15 per person are available. Travel duration is 3h 25m
Cheapest Buses Friday
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National Express5h 15m022:20London Heathrow AirportHeathrow Terminal 5 Coach Station04:35CardiffUniversity0EconomyA Bus from National Express goes from Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) at 28/03/2026 22:20:00 to University, Cardiff (United Kingdom) arriving at 29/03/2026 04:35:00. 50 Economy ticket for £10 per person are available. Travel duration is 5h 15m
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National Express3h 15m022:25London Heathrow AirportHeathrow Terminal 5 Coach Station02:40CardiffCoach Station0EconomyA Bus from National Express goes from Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) at 28/03/2026 22:25:00 to Coach Station, Cardiff (United Kingdom) arriving at 29/03/2026 02:40:00. 50 Economy ticket for £11 per person are available. Travel duration is 3h 15m
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National Express5h 10m020:35London Heathrow AirportHeathrow Terminal 5 Coach Station02:45CardiffUniversity0EconomyA Bus from National Express goes from Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) at 28/03/2026 20:35:00 to University, Cardiff (United Kingdom) arriving at 29/03/2026 02:45:00. 50 Economy ticket for £12 per person are available. Travel duration is 5h 10m
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FlixBus3h 10m000:15London Heathrow AirportHeathrow Coach Station03:25CardiffKingsway Coach Stop0EconomyA Bus from FlixBus goes from Heathrow Coach Station, London Heathrow Airport (United Kingdom) at 28/03/2026 00:15:00 to Kingsway Coach Stop, Cardiff (United Kingdom) arriving at 28/03/2026 03:25:00. 50 Economy ticket for £14 per person are available. Travel duration is 3h 10m
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FlixBus3h 25m021:00London Heathrow AirportHeathrow Coach Station00:25CardiffKingsway Coach Stop0EconomyA Bus from FlixBus goes from Heathrow Coach Station, London Heathrow Airport (United Kingdom) at 28/03/2026 21:00:00 to Kingsway Coach Stop, Cardiff (United Kingdom) arriving at 29/03/2026 00:25:00. 50 Economy ticket for £14 per person are available. Travel duration is 3h 25m
Cheapest Buses Saturday
What are the fastest trips from Reading to Cardiff?
You can get to Cardiff from Reading in just 2h 30m with a Bus from FlixBus. 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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FlixBus2h 30m020:25ReadingMereoak Park & Ride22:55CardiffKingsway Coach Stop0EconomyA Bus from FlixBus goes from Mereoak Park & Ride, Reading (United Kingdom) at 22/03/2026 20:25:00 to Kingsway Coach Stop, Cardiff (United Kingdom) arriving at 22/03/2026 22:55:00. 50 Economy ticket for £10 per person are available. Travel duration is 2h 30m
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National Express3h 15m019:25London Heathrow AirportHeathrow Terminal 5 Coach Station22:40CardiffCoach Station0EconomyA Bus from National Express goes from Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) at 22/03/2026 19:25:00 to Coach Station, Cardiff (United Kingdom) arriving at 22/03/2026 22:40:00. 50 Economy ticket for £19 per person are available. Travel duration is 3h 15m
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FlixBus3h 20m005:05London Heathrow AirportHeathrow Coach Station08:25CardiffKingsway Coach Stop0EconomyA Bus from FlixBus goes from Heathrow Coach Station, London Heathrow Airport (United Kingdom) at 22/03/2026 05:05:00 to Kingsway Coach Stop, Cardiff (United Kingdom) arriving at 22/03/2026 08:25:00. 50 Economy ticket for £20 per person are available. Travel duration is 3h 20m
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National Express5h 0m022:35London Heathrow AirportHeathrow Coach Station03:35CardiffUniversity0EconomyA Bus from National Express goes from Heathrow Coach Station, London Heathrow Airport (United Kingdom) at 22/03/2026 22:35:00 to University, Cardiff (United Kingdom) arriving at 23/03/2026 03:35:00. 50 Economy ticket for £19 per person are available. Travel duration is 5h 0m
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National Express5h 15m022:20London Heathrow AirportHeathrow Terminal 5 Coach Station03:35CardiffUniversity0EconomyA Bus from National Express goes from Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) at 22/03/2026 22:20:00 to University, Cardiff (United Kingdom) arriving at 23/03/2026 03:35:00. 50 Economy ticket for £17 per person are available. Travel duration is 5h 15m
Fastest Buses Sunday
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FlixBus3h 10m000:15London Heathrow AirportHeathrow Coach Station03:25CardiffKingsway Coach Stop0EconomyA Bus from FlixBus goes from Heathrow Coach Station, London Heathrow Airport (United Kingdom) at 23/03/2026 00:15:00 to Kingsway Coach Stop, Cardiff (United Kingdom) arriving at 23/03/2026 03:25:00. 50 Economy ticket for £14 per person are available. Travel duration is 3h 10m
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FlixBus3h 25m000:40London Heathrow AirportHeathrow Coach Station04:05CardiffKingsway Coach Stop0EconomyA Bus from FlixBus goes from Heathrow Coach Station, London Heathrow Airport (United Kingdom) at 23/03/2026 00:40:00 to Kingsway Coach Stop, Cardiff (United Kingdom) arriving at 23/03/2026 04:05:00. 50 Economy ticket for £14 per person are available. Travel duration is 3h 25m
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FlixBus3h 40m007:05London Heathrow AirportHeathrow Coach Station10:45CardiffKingsway Coach Stop0EconomyA Bus from FlixBus goes from Heathrow Coach Station, London Heathrow Airport (United Kingdom) at 23/03/2026 07:05:00 to Kingsway Coach Stop, Cardiff (United Kingdom) arriving at 23/03/2026 10:45:00. 50 Economy ticket for £14 per person are available. Travel duration is 3h 40m
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National Express3h 50m000:10London Heathrow AirportHeathrow Terminal 5 Coach Station04:00CardiffCoach Station0EconomyA Bus from National Express goes from Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) at 23/03/2026 00:10:00 to Coach Station, Cardiff (United Kingdom) arriving at 23/03/2026 04:00:00. 50 Economy ticket for £13 per person are available. Travel duration is 3h 50m
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National Express5h 25m018:25London Heathrow AirportHeathrow Terminal 5 Coach Station23:50CardiffUniversity0EconomyA Bus from National Express goes from Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) at 23/03/2026 18:25:00 to University, Cardiff (United Kingdom) arriving at 23/03/2026 23:50:00. 50 Economy ticket for £14 per person are available. Travel duration is 5h 25m
Fastest Buses Monday
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FlixBus3h 20m005:05London Heathrow AirportHeathrow Coach Station08:25CardiffKingsway Coach Stop0EconomyA Bus from FlixBus goes from Heathrow Coach Station, London Heathrow Airport (United Kingdom) at 24/03/2026 05:05:00 to Kingsway Coach Stop, Cardiff (United Kingdom) arriving at 24/03/2026 08:25:00. 50 Economy ticket for £13 per person are available. Travel duration is 3h 20m
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FlixBus3h 25m000:40London Heathrow AirportHeathrow Coach Station04:05CardiffKingsway Coach Stop0EconomyA Bus from FlixBus goes from Heathrow Coach Station, London Heathrow Airport (United Kingdom) at 24/03/2026 00:40:00 to Kingsway Coach Stop, Cardiff (United Kingdom) arriving at 24/03/2026 04:05:00. 50 Economy ticket for £13 per person are available. Travel duration is 3h 25m
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National Express5h 35m011:30London Heathrow AirportHeathrow Terminal 5 Coach Station17:05CardiffUniversity0EconomyA Bus from National Express goes from Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) at 24/03/2026 11:30:00 to University, Cardiff (United Kingdom) arriving at 24/03/2026 17:05:00. 50 Economy ticket for £11 per person are available. Travel duration is 5h 35m
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National Express5h 35m017:50London Heathrow AirportHeathrow Terminal 5 Coach Station23:25CardiffUniversity0EconomyA Bus from National Express goes from Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) at 24/03/2026 17:50:00 to University, Cardiff (United Kingdom) arriving at 24/03/2026 23:25:00. 50 Economy ticket for £11 per person are available. Travel duration is 5h 35m
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National Express5h 45m014:30London Heathrow AirportHeathrow Terminal 5 Coach Station20:15CardiffUniversity0EconomyA Bus from National Express goes from Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) at 24/03/2026 14:30:00 to University, Cardiff (United Kingdom) arriving at 24/03/2026 20:15:00. 50 Economy ticket for £11 per person are available. Travel duration is 5h 45m
Fastest Buses Tuesday
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FlixBus2h 30m020:25ReadingMereoak Park & Ride22:55CardiffKingsway Coach Stop0EconomyA Bus from FlixBus goes from Mereoak Park & Ride, Reading (United Kingdom) at 25/03/2026 20:25:00 to Kingsway Coach Stop, Cardiff (United Kingdom) arriving at 25/03/2026 22:55:00. 50 Economy ticket for £8 per person are available. Travel duration is 2h 30m
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FlixBus3h 10m000:15London Heathrow AirportHeathrow Coach Station03:25CardiffKingsway Coach Stop0EconomyA Bus from FlixBus goes from Heathrow Coach Station, London Heathrow Airport (United Kingdom) at 25/03/2026 00:15:00 to Kingsway Coach Stop, Cardiff (United Kingdom) arriving at 25/03/2026 03:25:00. 50 Economy ticket for £13 per person are available. Travel duration is 3h 10m
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National Express5h 25m019:20London Heathrow AirportHeathrow Terminal 5 Coach Station00:45CardiffUniversity0EconomyA Bus from National Express goes from Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) at 25/03/2026 19:20:00 to University, Cardiff (United Kingdom) arriving at 26/03/2026 00:45:00. 50 Economy ticket for £10 per person are available. Travel duration is 5h 25m
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National Express5h 35m011:30London Heathrow AirportHeathrow Terminal 5 Coach Station17:05CardiffUniversity0EconomyA Bus from National Express goes from Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) at 25/03/2026 11:30:00 to University, Cardiff (United Kingdom) arriving at 25/03/2026 17:05:00. 50 Economy ticket for £11 per person are available. Travel duration is 5h 35m
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National Express5h 45m010:25London Heathrow AirportHeathrow Terminal 5 Coach Station16:10CardiffUniversity0EconomyA Bus from National Express goes from Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) at 25/03/2026 10:25:00 to University, Cardiff (United Kingdom) arriving at 25/03/2026 16:10:00. 50 Economy ticket for £13 per person are available. Travel duration is 5h 45m
Fastest Buses Wednesday
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FlixBus3h 10m000:15London Heathrow AirportHeathrow Coach Station03:25CardiffKingsway Coach Stop0EconomyA Bus from FlixBus goes from Heathrow Coach Station, London Heathrow Airport (United Kingdom) at 26/03/2026 00:15:00 to Kingsway Coach Stop, Cardiff (United Kingdom) arriving at 26/03/2026 03:25:00. 50 Economy ticket for £14 per person are available. Travel duration is 3h 10m
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FlixBus3h 25m000:40London Heathrow AirportHeathrow Coach Station04:05CardiffKingsway Coach Stop0EconomyA Bus from FlixBus goes from Heathrow Coach Station, London Heathrow Airport (United Kingdom) at 26/03/2026 00:40:00 to Kingsway Coach Stop, Cardiff (United Kingdom) arriving at 26/03/2026 04:05:00. 50 Economy ticket for £14 per person are available. Travel duration is 3h 25m
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National Express5h 25m019:20London Heathrow AirportHeathrow Terminal 5 Coach Station00:45CardiffUniversity0EconomyA Bus from National Express goes from Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) at 26/03/2026 19:20:00 to University, Cardiff (United Kingdom) arriving at 27/03/2026 00:45:00. 50 Economy ticket for £11 per person are available. Travel duration is 5h 25m
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National Express5h 35m011:30London Heathrow AirportHeathrow Terminal 5 Coach Station17:05CardiffUniversity0EconomyA Bus from National Express goes from Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) at 26/03/2026 11:30:00 to University, Cardiff (United Kingdom) arriving at 26/03/2026 17:05:00. 50 Economy ticket for £12 per person are available. Travel duration is 5h 35m
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National Express5h 40m015:25London Heathrow AirportHeathrow Terminal 5 Coach Station21:05CardiffUniversity0EconomyA Bus from National Express goes from Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) at 26/03/2026 15:25:00 to University, Cardiff (United Kingdom) arriving at 26/03/2026 21:05:00. 50 Economy ticket for £13 per person are available. Travel duration is 5h 40m
Fastest Buses Thursday
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FlixBus3h 25m022:00London Heathrow AirportHeathrow Coach Station01:25CardiffKingsway Coach Stop0EconomyA Bus from FlixBus goes from Heathrow Coach Station, London Heathrow Airport (United Kingdom) at 27/03/2026 22:00:00 to Kingsway Coach Stop, Cardiff (United Kingdom) arriving at 28/03/2026 01:25:00. 50 Economy ticket for £15 per person are available. Travel duration is 3h 25m
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National Express3h 30m015:10London Heathrow AirportHeathrow Terminal 5 Coach Station18:40CardiffCoach Station0EconomyA Bus from National Express goes from Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) at 27/03/2026 15:10:00 to Coach Station, Cardiff (United Kingdom) arriving at 27/03/2026 18:40:00. 50 Economy ticket for £15 per person are available. Travel duration is 3h 30m
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FlixBus3h 30m018:45London Heathrow AirportHeathrow Coach Station22:15CardiffKingsway Coach Stop0EconomyA Bus from FlixBus goes from Heathrow Coach Station, London Heathrow Airport (United Kingdom) at 27/03/2026 18:45:00 to Kingsway Coach Stop, Cardiff (United Kingdom) arriving at 27/03/2026 22:15:00. 50 Economy ticket for £15 per person are available. Travel duration is 3h 30m
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National Express3h 50m000:10London Heathrow AirportHeathrow Terminal 5 Coach Station04:00CardiffCoach Station0EconomyA Bus from National Express goes from Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) at 27/03/2026 00:10:00 to Coach Station, Cardiff (United Kingdom) arriving at 27/03/2026 04:00:00. 50 Economy ticket for £15 per person are available. Travel duration is 3h 50m
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National Express3h 50m013:10London Heathrow AirportHeathrow Terminal 5 Coach Station17:00CardiffCoach Station0EconomyA Bus from National Express goes from Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) at 27/03/2026 13:10:00 to Coach Station, Cardiff (United Kingdom) arriving at 27/03/2026 17:00:00. 50 Economy ticket for £15 per person are available. Travel duration is 3h 50m
Fastest Buses Friday
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FlixBus3h 10m000:15London Heathrow AirportHeathrow Coach Station03:25CardiffKingsway Coach Stop0EconomyA Bus from FlixBus goes from Heathrow Coach Station, London Heathrow Airport (United Kingdom) at 28/03/2026 00:15:00 to Kingsway Coach Stop, Cardiff (United Kingdom) arriving at 28/03/2026 03:25:00. 50 Economy ticket for £14 per person are available. Travel duration is 3h 10m
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National Express3h 15m022:25London Heathrow AirportHeathrow Terminal 5 Coach Station02:40CardiffCoach Station0EconomyA Bus from National Express goes from Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) at 28/03/2026 22:25:00 to Coach Station, Cardiff (United Kingdom) arriving at 29/03/2026 02:40:00. 50 Economy ticket for £11 per person are available. Travel duration is 3h 15m
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FlixBus3h 25m021:00London Heathrow AirportHeathrow Coach Station00:25CardiffKingsway Coach Stop0EconomyA Bus from FlixBus goes from Heathrow Coach Station, London Heathrow Airport (United Kingdom) at 28/03/2026 21:00:00 to Kingsway Coach Stop, Cardiff (United Kingdom) arriving at 29/03/2026 00:25:00. 50 Economy ticket for £14 per person are available. Travel duration is 3h 25m
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National Express5h 10m020:35London Heathrow AirportHeathrow Terminal 5 Coach Station02:45CardiffUniversity0EconomyA Bus from National Express goes from Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) at 28/03/2026 20:35:00 to University, Cardiff (United Kingdom) arriving at 29/03/2026 02:45:00. 50 Economy ticket for £12 per person are available. Travel duration is 5h 10m
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National Express5h 15m022:20London Heathrow AirportHeathrow Terminal 5 Coach Station04:35CardiffUniversity0EconomyA Bus from National Express goes from Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) at 28/03/2026 22:20:00 to University, Cardiff (United Kingdom) arriving at 29/03/2026 04:35:00. 50 Economy ticket for £10 per person are available. Travel duration is 5h 15m
Fastest Buses Saturday
Here you will find all operators and timetables for a
Bus from Reading to Cardiff
What are the most popular stations in Reading and Cardiff?
In Reading, you will usually depart from Station North Interchange, West or Central Station, 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 Reading? With 5 connections between 3 Train and Bus 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 Reading and Cardiff, you can pay as low as £8 with a Bus from FlixBus.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 Bus from FlixBus: you will get to Cardiff in just 2h 30m.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 Reading and Cardiff are National Express and FlixBus, 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 Reading 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 Lower Earley or to Newlyn, and look at flights from Farnborough 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 Reading to Cardiff?
The most popular companies between Reading and Cardiff, are National Express and FlixBus. Be sure to check their seat class offers and the amenities that they provide.
Bus companies: National Express and FlixBus
All you need to know when you travel from Reading to Cardiff
Check all information on comfort and services on all modes of transports from Reading 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 Reading to Cardiff
How can I reach Cardiff from Reading?
Every day, there are on average 5 connections between Train and Bus, with which you can get to Cardiff from Reading.
How far is Cardiff from Reading?
The distance between Reading and Cardiff is 152.9 km.
What is the most ecofriendly mode of transport between Reading 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 5 kgs, a car 26 kgs, and a flight 38 kgs.
What is the cheapest mode of transport from Reading to Cardiff?
You can get to Cardiff with just £8 by taking a Bus from FlixBus.
What is the fastest way to get from Reading 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 2h 30m with a Bus from FlixBus.
More routes to Reading and to Cardiff
Looking for more options? Here you can see the most popular routes to Reading and to Cardiff. Simply click on a connection, and you’ll find all the details about the route!
- Trips to Reading
- Basingstoke to Reading
- Bath to Reading
- Birmingham to Reading
- Bournemouth to Reading
- Bridgwater to Reading
- Bristol to Reading
- Cardiff to Reading
- Cheltenham to Reading
- Liverpool to Reading
- London Gatwick Airport to Reading
- London to Reading
- Luton to Reading
- Manchester to Reading
- Newport (Wales) to Reading
- Preston to Reading
- Swindon to Reading
- Trips to Cardiff
- Aberdeen to Cardiff
- Birmingham to Cardiff
- Bournemouth to Cardiff
- Bristol Airport to Cardiff
- Bristol to Cardiff
- Cambridge to Cardiff
- Coventry to Cardiff
- Edinburgh to Cardiff
- Glasgow to Cardiff
- Hamburg to Cardiff
- Harrow to Cardiff
- Liverpool to Cardiff
- London Heathrow Airport to Cardiff
- London to Cardiff
- Manchester to Cardiff
- Middlesbrough to Cardiff
- Newcastle upon Tyne to Cardiff
- Nottingham to Cardiff
- Paris to Cardiff
- Portsmouth to Cardiff
- Sheffield to Cardiff
- Swansea to Cardiff
- Wolverhampton to Cardiff
