The average bus between Keynsham and Cardiff takes 2h 30m and the fastest bus takes 1h 53m. There is a bus service every few hours from Keynsham 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 hourly between Keynsham and Cardiff. The earliest departure is at 1:44 AM at night, and the last departure from Keynsham is at 11:49 PM which arrives into Cardiff at 2:20 AM. All services require a transfer at Bus Station and take an average of 2h 30m. The schedules shown below are for the next available departures.

3h 10m • 1 change

2h 42m • 1 change

3h 10m • 1 change

2h 58m • 1 change

2h 21m • 1 change

2h 53m • 1 change

2h 31m • 1 change

2h 32m • 1 change

2h 21m • 1 change

2h 53m • 1 change

3h 27m • 1 change

2h 49m • 1 change
Want to know about travelling from Keynsham 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 Keynsham to Cardiff. However, there are services departing from Keynsham station and arriving at Cardiff station via Bus Station station. The journey, including transfers, takes approximately 2h 30m.
Keynsham to Cardiff bus services, operated by First Bristol, Bath & the West, depart from Ashton Way station.
Keynsham to Cardiff bus services, operated by First Bristol, Bath & the West, arrive at Cardiff North Road station.
The distance between Keynsham and Cardiff is 47.8 km. The road distance is 80 km.
You can take a bus from Ashton Way to Cardiff North Road via Bus Station and Bristol Bus Station in around 2h 30m.