What is the best way to travel from Cardiff to London Heathrow Airport?
Looking for a trip? Check and compare all the available Buses and Carpool to London Heathrow Airport 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 London Heathrow Airport from Cardiff?
You can reach London Heathrow Airport with just £9 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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FlixBus4h 0m014:50CardiffKingsway Coach Stop18:50London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 04/12/2025 14:50:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 04/12/2025 18:50:00. 50 Economy ticket for £16 per person are available. Travel duration is 4h 0m
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FlixBus3h 40m014:50CardiffKingsway Coach Stop18:30London Heathrow AirportHeathrow Coach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 04/12/2025 14:50:00 to Heathrow Coach Station, London Heathrow Airport (United Kingdom) arriving at 04/12/2025 18:30:00. 50 Economy ticket for £16 per person are available. Travel duration is 3h 40m
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FlixBus3h 40m002:45CardiffKingsway Coach Stop06:25London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 04/12/2025 02:45:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 04/12/2025 06:25:00. 50 Economy ticket for £17 per person are available. Travel duration is 3h 40m
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National Express6h 7m015:53CardiffUniversity22:00London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from National Express goes from University, Cardiff (United Kingdom) at 04/12/2025 15:53:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 04/12/2025 22:00:00. 50 Economy ticket for £19 per person are available. Travel duration is 6h 7m
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National Express5h 47m015:53CardiffUniversity21:40London Heathrow AirportHeathrow Coach Station0EconomyA Bus from National Express goes from University, Cardiff (United Kingdom) at 04/12/2025 15:53:00 to Heathrow Coach Station, London Heathrow Airport (United Kingdom) arriving at 04/12/2025 21:40:00. 50 Economy ticket for £20 per person are available. Travel duration is 5h 47m
Cheapest Buses Thursday
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FlixBus3h 50m003:45CardiffKingsway Coach Stop07:35London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 05/12/2025 03:45:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 05/12/2025 07:35:00. 50 Economy ticket for £17 per person are available. Travel duration is 3h 50m
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FlixBus3h 30m003:45CardiffKingsway Coach Stop07:15London Heathrow AirportHeathrow Coach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 05/12/2025 03:45:00 to Heathrow Coach Station, London Heathrow Airport (United Kingdom) arriving at 05/12/2025 07:15:00. 50 Economy ticket for £17 per person are available. Travel duration is 3h 30m
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FlixBus3h 40m002:45CardiffKingsway Coach Stop06:25London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 05/12/2025 02:45:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 05/12/2025 06:25:00. 50 Economy ticket for £18 per person are available. Travel duration is 3h 40m
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National Express3h 25m005:25CardiffCoach Station08:50London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 05/12/2025 05:25:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 05/12/2025 08:50:00. 50 Economy ticket for £19 per person are available. Travel duration is 3h 25m
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National Express5h 50m003:20CardiffUniversity09:10London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from National Express goes from University, Cardiff (United Kingdom) at 05/12/2025 03:20:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 05/12/2025 09:10:00. 50 Economy ticket for £22 per person are available. Travel duration is 5h 50m
Cheapest Buses Friday
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FlixBus4h 5m016:45CardiffKingsway Coach Stop20:50London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 06/12/2025 16:45:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 06/12/2025 20:50:00. 50 Economy ticket for £14 per person are available. Travel duration is 4h 5m
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FlixBus3h 45m016:45CardiffKingsway Coach Stop20:30London Heathrow AirportHeathrow Coach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 06/12/2025 16:45:00 to Heathrow Coach Station, London Heathrow Airport (United Kingdom) arriving at 06/12/2025 20:30:00. 50 Economy ticket for £14 per person are available. Travel duration is 3h 45m
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National Express3h 5m003:40CardiffCoach Station06:45London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 06/12/2025 03:40:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 06/12/2025 06:45:00. 50 Economy ticket for £15 per person are available. Travel duration is 3h 5m
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National Express3h 10m005:40CardiffCoach Station08:50London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 06/12/2025 05:40:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 06/12/2025 08:50:00. 50 Economy ticket for £15 per person are available. Travel duration is 3h 10m
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National Express2h 40m003:40CardiffCoach Station06:20London Heathrow AirportHeathrow Coach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 06/12/2025 03:40:00 to Heathrow Coach Station, London Heathrow Airport (United Kingdom) arriving at 06/12/2025 06:20:00. 50 Economy ticket for £15 per person are available. Travel duration is 2h 40m
Cheapest Buses Saturday
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National Express3h 45m016:40CardiffCoach Station20:25London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 07/12/2025 16:40:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 07/12/2025 20:25:00. 50 Economy ticket for £13 per person are available. Travel duration is 3h 45m
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National Express3h 5m003:40CardiffCoach Station06:45London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 07/12/2025 03:40:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 07/12/2025 06:45:00. 50 Economy ticket for £15 per person are available. Travel duration is 3h 5m
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National Express3h 10m005:40CardiffCoach Station08:50London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 07/12/2025 05:40:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 07/12/2025 08:50:00. 50 Economy ticket for £15 per person are available. Travel duration is 3h 10m
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FlixBus3h 40m002:45CardiffKingsway Coach Stop06:25London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 07/12/2025 02:45:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 07/12/2025 06:25:00. 50 Economy ticket for £16 per person are available. Travel duration is 3h 40m
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FlixBus3h 50m003:45CardiffKingsway Coach Stop07:35London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 07/12/2025 03:45:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 07/12/2025 07:35:00. 50 Economy ticket for £16 per person are available. Travel duration is 3h 50m
Cheapest Buses Sunday
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National Express3h 15m003:25CardiffCoach Station06:40London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 08/12/2025 03:25:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 08/12/2025 06:40:00. 50 Economy ticket for £13 per person are available. Travel duration is 3h 15m
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National Express2h 50m003:25CardiffCoach Station06:15London Heathrow AirportHeathrow Coach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 08/12/2025 03:25:00 to Heathrow Coach Station, London Heathrow Airport (United Kingdom) arriving at 08/12/2025 06:15:00. 50 Economy ticket for £13 per person are available. Travel duration is 2h 50m
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FlixBus3h 50m004:45CardiffKingsway Coach Stop08:35London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 08/12/2025 04:45:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 08/12/2025 08:35:00. 50 Economy ticket for £13 per person are available. Travel duration is 3h 50m
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FlixBus3h 30m004:45CardiffKingsway Coach Stop08:15London Heathrow AirportHeathrow Coach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 08/12/2025 04:45:00 to Heathrow Coach Station, London Heathrow Airport (United Kingdom) arriving at 08/12/2025 08:15:00. 50 Economy ticket for £13 per person are available. Travel duration is 3h 30m
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FlixBus3h 40m000:45CardiffKingsway Coach Stop04:25London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 08/12/2025 00:45:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 08/12/2025 04:25:00. 50 Economy ticket for £14 per person are available. Travel duration is 3h 40m
Cheapest Buses Monday
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National Express3h 30m004:30CardiffCoach Station08:00London Heathrow AirportHeathrow Coach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 09/12/2025 04:30:00 to Heathrow Coach Station, London Heathrow Airport (United Kingdom) arriving at 09/12/2025 08:00:00. 50 Economy ticket for £9 per person are available. Travel duration is 3h 30m
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National Express4h 0m014:55CardiffCoach Station18:55London Heathrow AirportHeathrow Coach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 09/12/2025 14:55:00 to Heathrow Coach Station, London Heathrow Airport (United Kingdom) arriving at 09/12/2025 18:55:00. 50 Economy ticket for £9 per person are available. Travel duration is 4h 0m
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National Express3h 35m016:30CardiffCoach Station20:05London Heathrow AirportHeathrow Coach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 09/12/2025 16:30:00 to Heathrow Coach Station, London Heathrow Airport (United Kingdom) arriving at 09/12/2025 20:05:00. 50 Economy ticket for £9 per person are available. Travel duration is 3h 35m
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National Express3h 55m004:30CardiffCoach Station08:25London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 09/12/2025 04:30:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 09/12/2025 08:25:00. 50 Economy ticket for £9 per person are available. Travel duration is 3h 55m
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National Express4h 15m014:55CardiffCoach Station19:10London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 09/12/2025 14:55:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 09/12/2025 19:10:00. 50 Economy ticket for £9 per person are available. Travel duration is 4h 15m
Cheapest Buses Tuesday
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FlixBus3h 40m002:45CardiffKingsway Coach Stop06:25London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 10/12/2025 02:45:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 10/12/2025 06:25:00. 50 Economy ticket for £13 per person are available. Travel duration is 3h 40m
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FlixBus3h 50m003:45CardiffKingsway Coach Stop07:35London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 10/12/2025 03:45:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 10/12/2025 07:35:00. 50 Economy ticket for £13 per person are available. Travel duration is 3h 50m
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FlixBus3h 50m004:45CardiffKingsway Coach Stop08:35London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 10/12/2025 04:45:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 10/12/2025 08:35:00. 50 Economy ticket for £13 per person are available. Travel duration is 3h 50m
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National Express3h 15m003:25CardiffCoach Station06:40London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 10/12/2025 03:25:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 10/12/2025 06:40:00. 50 Economy ticket for £15 per person are available. Travel duration is 3h 15m
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National Express3h 40m002:35CardiffCoach Station06:15London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 10/12/2025 02:35:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 10/12/2025 06:15:00. 50 Economy ticket for £16 per person are available. Travel duration is 3h 40m
Cheapest Buses Wednesday
What are the fastest trips from Cardiff to London Heathrow Airport?
You can get to London Heathrow Airport from Cardiff in just 2h 40m with a Bus from National Express. 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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FlixBus3h 40m014:50CardiffKingsway Coach Stop18:30London Heathrow AirportHeathrow Coach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 04/12/2025 14:50:00 to Heathrow Coach Station, London Heathrow Airport (United Kingdom) arriving at 04/12/2025 18:30:00. 50 Economy ticket for £16 per person are available. Travel duration is 3h 40m
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FlixBus3h 40m002:45CardiffKingsway Coach Stop06:25London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 04/12/2025 02:45:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 04/12/2025 06:25:00. 50 Economy ticket for £17 per person are available. Travel duration is 3h 40m
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FlixBus4h 0m014:50CardiffKingsway Coach Stop18:50London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 04/12/2025 14:50:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 04/12/2025 18:50:00. 50 Economy ticket for £16 per person are available. Travel duration is 4h 0m
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National Express5h 47m015:53CardiffUniversity21:40London Heathrow AirportHeathrow Coach Station0EconomyA Bus from National Express goes from University, Cardiff (United Kingdom) at 04/12/2025 15:53:00 to Heathrow Coach Station, London Heathrow Airport (United Kingdom) arriving at 04/12/2025 21:40:00. 50 Economy ticket for £20 per person are available. Travel duration is 5h 47m
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National Express6h 7m015:53CardiffUniversity22:00London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from National Express goes from University, Cardiff (United Kingdom) at 04/12/2025 15:53:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 04/12/2025 22:00:00. 50 Economy ticket for £19 per person are available. Travel duration is 6h 7m
Fastest Buses Thursday
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National Express3h 25m005:25CardiffCoach Station08:50London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 05/12/2025 05:25:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 05/12/2025 08:50:00. 50 Economy ticket for £19 per person are available. Travel duration is 3h 25m
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FlixBus3h 30m003:45CardiffKingsway Coach Stop07:15London Heathrow AirportHeathrow Coach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 05/12/2025 03:45:00 to Heathrow Coach Station, London Heathrow Airport (United Kingdom) arriving at 05/12/2025 07:15:00. 50 Economy ticket for £17 per person are available. Travel duration is 3h 30m
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FlixBus3h 40m002:45CardiffKingsway Coach Stop06:25London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 05/12/2025 02:45:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 05/12/2025 06:25:00. 50 Economy ticket for £18 per person are available. Travel duration is 3h 40m
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FlixBus3h 50m003:45CardiffKingsway Coach Stop07:35London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 05/12/2025 03:45:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 05/12/2025 07:35:00. 50 Economy ticket for £17 per person are available. Travel duration is 3h 50m
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National Express5h 50m003:20CardiffUniversity09:10London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from National Express goes from University, Cardiff (United Kingdom) at 05/12/2025 03:20:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 05/12/2025 09:10:00. 50 Economy ticket for £22 per person are available. Travel duration is 5h 50m
Fastest Buses Friday
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National Express2h 40m003:40CardiffCoach Station06:20London Heathrow AirportHeathrow Coach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 06/12/2025 03:40:00 to Heathrow Coach Station, London Heathrow Airport (United Kingdom) arriving at 06/12/2025 06:20:00. 50 Economy ticket for £15 per person are available. Travel duration is 2h 40m
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National Express3h 5m003:40CardiffCoach Station06:45London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 06/12/2025 03:40:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 06/12/2025 06:45:00. 50 Economy ticket for £15 per person are available. Travel duration is 3h 5m
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National Express3h 10m005:40CardiffCoach Station08:50London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 06/12/2025 05:40:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 06/12/2025 08:50:00. 50 Economy ticket for £15 per person are available. Travel duration is 3h 10m
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FlixBus3h 45m016:45CardiffKingsway Coach Stop20:30London Heathrow AirportHeathrow Coach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 06/12/2025 16:45:00 to Heathrow Coach Station, London Heathrow Airport (United Kingdom) arriving at 06/12/2025 20:30:00. 50 Economy ticket for £14 per person are available. Travel duration is 3h 45m
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FlixBus4h 5m016:45CardiffKingsway Coach Stop20:50London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 06/12/2025 16:45:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 06/12/2025 20:50:00. 50 Economy ticket for £14 per person are available. Travel duration is 4h 5m
Fastest Buses Saturday
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National Express3h 5m003:40CardiffCoach Station06:45London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 07/12/2025 03:40:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 07/12/2025 06:45:00. 50 Economy ticket for £15 per person are available. Travel duration is 3h 5m
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National Express3h 10m005:40CardiffCoach Station08:50London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 07/12/2025 05:40:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 07/12/2025 08:50:00. 50 Economy ticket for £15 per person are available. Travel duration is 3h 10m
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FlixBus3h 40m002:45CardiffKingsway Coach Stop06:25London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 07/12/2025 02:45:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 07/12/2025 06:25:00. 50 Economy ticket for £16 per person are available. Travel duration is 3h 40m
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National Express3h 45m016:40CardiffCoach Station20:25London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 07/12/2025 16:40:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 07/12/2025 20:25:00. 50 Economy ticket for £13 per person are available. Travel duration is 3h 45m
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FlixBus3h 50m003:45CardiffKingsway Coach Stop07:35London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 07/12/2025 03:45:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 07/12/2025 07:35:00. 50 Economy ticket for £16 per person are available. Travel duration is 3h 50m
Fastest Buses Sunday
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National Express2h 50m003:25CardiffCoach Station06:15London Heathrow AirportHeathrow Coach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 08/12/2025 03:25:00 to Heathrow Coach Station, London Heathrow Airport (United Kingdom) arriving at 08/12/2025 06:15:00. 50 Economy ticket for £13 per person are available. Travel duration is 2h 50m
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National Express3h 15m003:25CardiffCoach Station06:40London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 08/12/2025 03:25:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 08/12/2025 06:40:00. 50 Economy ticket for £13 per person are available. Travel duration is 3h 15m
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FlixBus3h 30m004:45CardiffKingsway Coach Stop08:15London Heathrow AirportHeathrow Coach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 08/12/2025 04:45:00 to Heathrow Coach Station, London Heathrow Airport (United Kingdom) arriving at 08/12/2025 08:15:00. 50 Economy ticket for £13 per person are available. Travel duration is 3h 30m
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FlixBus3h 40m000:45CardiffKingsway Coach Stop04:25London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 08/12/2025 00:45:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 08/12/2025 04:25:00. 50 Economy ticket for £14 per person are available. Travel duration is 3h 40m
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FlixBus3h 50m004:45CardiffKingsway Coach Stop08:35London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 08/12/2025 04:45:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 08/12/2025 08:35:00. 50 Economy ticket for £13 per person are available. Travel duration is 3h 50m
Fastest Buses Monday
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National Express3h 30m004:30CardiffCoach Station08:00London Heathrow AirportHeathrow Coach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 09/12/2025 04:30:00 to Heathrow Coach Station, London Heathrow Airport (United Kingdom) arriving at 09/12/2025 08:00:00. 50 Economy ticket for £9 per person are available. Travel duration is 3h 30m
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National Express3h 35m016:30CardiffCoach Station20:05London Heathrow AirportHeathrow Coach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 09/12/2025 16:30:00 to Heathrow Coach Station, London Heathrow Airport (United Kingdom) arriving at 09/12/2025 20:05:00. 50 Economy ticket for £9 per person are available. Travel duration is 3h 35m
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National Express3h 55m004:30CardiffCoach Station08:25London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 09/12/2025 04:30:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 09/12/2025 08:25:00. 50 Economy ticket for £9 per person are available. Travel duration is 3h 55m
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National Express4h 0m014:55CardiffCoach Station18:55London Heathrow AirportHeathrow Coach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 09/12/2025 14:55:00 to Heathrow Coach Station, London Heathrow Airport (United Kingdom) arriving at 09/12/2025 18:55:00. 50 Economy ticket for £9 per person are available. Travel duration is 4h 0m
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National Express4h 15m014:55CardiffCoach Station19:10London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 09/12/2025 14:55:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 09/12/2025 19:10:00. 50 Economy ticket for £9 per person are available. Travel duration is 4h 15m
Fastest Buses Tuesday
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National Express3h 15m003:25CardiffCoach Station06:40London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 10/12/2025 03:25:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 10/12/2025 06:40:00. 50 Economy ticket for £15 per person are available. Travel duration is 3h 15m
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FlixBus3h 40m002:45CardiffKingsway Coach Stop06:25London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 10/12/2025 02:45:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 10/12/2025 06:25:00. 50 Economy ticket for £13 per person are available. Travel duration is 3h 40m
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National Express3h 40m002:35CardiffCoach Station06:15London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from National Express goes from Coach Station, Cardiff (United Kingdom) at 10/12/2025 02:35:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 10/12/2025 06:15:00. 50 Economy ticket for £16 per person are available. Travel duration is 3h 40m
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FlixBus3h 50m003:45CardiffKingsway Coach Stop07:35London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 10/12/2025 03:45:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 10/12/2025 07:35:00. 50 Economy ticket for £13 per person are available. Travel duration is 3h 50m
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FlixBus3h 50m004:45CardiffKingsway Coach Stop08:35London Heathrow AirportHeathrow Terminal 5 Coach Station0EconomyA Bus from FlixBus goes from Kingsway Coach Stop, Cardiff (United Kingdom) at 10/12/2025 04:45:00 to Heathrow Terminal 5 Coach Station, London Heathrow Airport (United Kingdom) arriving at 10/12/2025 08:35:00. 50 Economy ticket for £13 per person are available. Travel duration is 3h 50m
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Here you will find all operators and timetables for a
Bus from Cardiff to London Heathrow Airport
What are the most popular stations in Cardiff and London Heathrow Airport?
In Cardiff, you will usually depart from Central Station, Dingle Road Train Station or Penarth Train Station, while in London Heathrow Airport you will be arriving at Heathrow Coach Station, Heathrow Terminal 5 Coach Station or London Heathrow Airport - Terminal 2 & 3, 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 London Heathrow Airport from Cardiff? With 5 connections between 2 Bus and Carpool 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 London Heathrow Airport, you can pay as low as £9 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 Bus from National Express: you will get to London Heathrow Airport in just 2h 40m.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 London Heathrow Airport 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 Cardiff and London Heathrow Airport 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 Harmondsworth, and look at flights from Cardiff Airport, and landing at Farnborough 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 London Heathrow Airport?
The most popular companies between Cardiff and London Heathrow Airport, 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 Cardiff to London Heathrow Airport
Check all information on comfort and services on all modes of transports from Cardiff to London Heathrow Airport. 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 London Heathrow Airport
How can I reach London Heathrow Airport from Cardiff?
Every day, there are on average 5 connections between Bus and Carpool, with which you can get to London Heathrow Airport from Cardiff.
How far is London Heathrow Airport from Cardiff?
The distance between Cardiff and London Heathrow Airport is 188.7 km.
What is the most ecofriendly mode of transport between Cardiff and London Heathrow Airport?
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 5 kgs of CO2, a train 7 kgs, a car 32 kgs, and a flight 46 kgs.
What is the cheapest mode of transport from Cardiff to London Heathrow Airport?
You can get to London Heathrow Airport with just £9 by taking a Bus from National Express.
What is the fastest way to get from Cardiff to London Heathrow Airport?
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 London Heathrow Airport in just 2h 40m with a Bus from National Express.
More routes to Cardiff and to London Heathrow Airport
Looking for more options? Here you can see the most popular routes to Cardiff and to London Heathrow Airport. Simply click on a connection, and you’ll find all the details about the route!
- Trips to Cardiff
- Amsterdam to Cardiff
- Bath to Cardiff
- Birmingham to Cardiff
- Bristol Airport to Cardiff
- Bristol to Cardiff
- Chester to Cardiff
- Edinburgh to Cardiff
- Exeter to Cardiff
- Glasgow to Cardiff
- Leicester to Cardiff
- Liverpool to Cardiff
- London to Cardiff
- Manchester to Cardiff
- Newcastle upon Tyne to Cardiff
- Nottingham to Cardiff
- Paris to Cardiff
- Plymouth to Cardiff
- Reading to Cardiff
- Swansea to Cardiff
- Swindon to Cardiff
- Trips to London Heathrow Airport
- Birmingham to London Heathrow Airport
- Bristol Airport to London Heathrow Airport
- Bristol to London Heathrow Airport
- Cambridge to London Heathrow Airport
- Canterbury to London Heathrow Airport
- Coventry to London Heathrow Airport
- Darlington to London Heathrow Airport
- Dudley to London Heathrow Airport
- Exeter to London Heathrow Airport
- Glasgow to London Heathrow Airport
- High Wycombe to London Heathrow Airport
- Leicester to London Heathrow Airport
- London Gatwick Airport to London Heathrow Airport
- London Stansted Airport to London Heathrow Airport
- Manchester to London Heathrow Airport
- Milton Keynes to London Heathrow Airport
- Newcastle upon Tyne to London Heathrow Airport
- Newport (Wales) to London Heathrow Airport
- Nottingham to London Heathrow Airport
- Sheffield to London Heathrow Airport
- Swindon to London Heathrow Airport
- Taunton to London Heathrow Airport

