The average bus between Cardiff and Keynsham takes 2h 20m and the fastest bus takes 1h 43m. There is a bus service every few hours from Cardiff to Keynsham. 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 2 hours between Cardiff and Keynsham. The earliest departure is at 2:35 AM at night, and the last departure from Cardiff is at 11:40 PM which arrives into Keynsham at 1:53 AM. All services require a transfer, and take on average 2h 20m. The schedules shown below are for the next available departures.

1h 53m • 1 change

1h 53m • 1 change

2h 40m • 1 change

2h 45m • 1 change

1h 43m • 1 change

1h 45m • 1 change

1h 43m • 1 change

2h 31m • 1 change

2h • 1 change

2h 23m • 1 change

1h 48m • 1 change

1h 56m • 1 change

2h 23m • 1 change

1h 48m • 1 change

1h 56m • 1 change

2h 15m • 1 change
Want to know about travelling from Cardiff to Keynsham? 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 Keynsham. However, there are services departing from Cardiff station and arriving at Keynsham station via Bus Station station. The journey, including transfers, takes approximately 2h 20m.
Cardiff to Keynsham bus services, operated by National Express, depart from Sophia Gardens station.
Cardiff to Keynsham bus services, operated by National Express, arrive at Memorial Park station.
The distance between Cardiff and Keynsham is 47.8 km. The road distance is 79 km.
You can take a bus from Sophia Gardens to Memorial Park via Bus Station in around 1h 46m.