The average bus between Luton and Cardiff takes 5h 10m and the fastest bus takes 4h 20m. The bus service runs several times per day from Luton to Cardiff. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Buses run every 3 hours between Luton and Cardiff. The earliest departure is at 5:45 AM in the morning, and the last departure from Luton is at 6:45 PM which arrives into Cardiff at 12:50 AM. All services require a transfer, and take on average 5h 10m. The schedules shown below are for the next available departures.

5h 15m • 1 change

4h 30m • 1 change

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5h 20m • 1 change

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5h 20m • 1 change

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5h 20m • 1 change

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5h 35m • 1 change

4h 55m • 1 change

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5h • 1 change

5h 5m • 1 change
Want to know about travelling from Luton to Cardiff? We have put together a list of the most frequently asked questions from our users such as: What is the cheapest mode of transport? What is the quickest option? How much do tickets usually cost? and many more.
No, there is no direct bus from Luton to Cardiff. However, there are services departing from Luton station and arriving at Cardiff station via Heathrow Central Bus Station station. The journey, including transfers, takes approximately 5h 10m.
Luton to Cardiff bus services, operated by National Express, depart from Luton Station Interchange.
Luton to Cardiff bus services, operated by National Express, arrive at Sophia Gardens station.
Book your Luton to Cardiff bus tickets online with National Express.
The distance between Luton and Cardiff is 195.6 km. The road distance is 284 km.
You can take a bus from Luton Station Interchange to Sophia Gardens via Heathrow Central Bus Station in around 4h 30m.