The average bus between Cardiff and Luton takes 5h 4m and the fastest bus takes 3h 55m. The bus service runs several times per day from Cardiff to Luton. 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 Cardiff and Luton. The earliest departure is at 3:25 AM at night, and the last departure from Cardiff is at 4:40 PM which arrives into Luton at 10:45 PM. All services require a transfer, and take on average 5h 4m. The schedules shown below are for the next available departures.

5h 15m • 1 change

4h 15m • 1 change

4h 40m • 1 change

4h 10m • 1 change

5h 15m • 1 change

4h 15m • 1 change

4h 40m • 1 change

4h 10m • 1 change

5h 15m • 1 change

4h 15m • 1 change

4h 40m • 1 change

4h 10m • 1 change

5h 15m • 1 change

4h 15m • 1 change

4h 40m • 1 change

4h 10m • 1 change

4h 45m • 1 change

3h 55m • 1 change

4h 25m • 1 change

4h 10m • 1 change
Want to know about travelling from Cardiff to Luton? 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 Cardiff to Luton. However, there are services departing from Cardiff station and arriving at Luton station via Heathrow Central Bus Station station. The journey, including transfers, takes approximately 5h 4m.
Cardiff to Luton bus services, operated by National Express, depart from Sophia Gardens station.
Cardiff to Luton bus services, operated by National Express, arrive at Luton Station Interchange.
Book your Cardiff to Luton bus tickets online with National Express.
The distance between Cardiff and Luton is 195.6 km. The road distance is 281 km.
You can take a bus from Sophia Gardens to Luton Station Interchange via Heathrow Central Bus Station in around 4h 30m.