The average bus between Bristol and Cardiff Bay (Water) takes 2h 13m and the fastest bus takes 1h 44m. There is a bus service every few hours from Bristol to Cardiff Bay (Water). 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 Bristol and Cardiff Bay (Water). The earliest departure is at 2:50 AM at night, and the last departure from Bristol is at 9:05 PM which arrives into Cardiff Bay (Water) at 11:19 PM. All services require a transfer at Cardiff North Road and take an average of 2h 13m. The schedules shown below are for the next available departures.

1h 52m • 1 change
2h 7m • 1 change
2h 32m • 1 change
2h 2m • 1 change
2h 23m • 1 change
1h 44m • 1 change
1h 52m • 1 change
2h 7m • 1 change
2h 23m • 1 change
1h 44m • 1 change
1h 52m • 1 change
2h 7m • 1 change
2h 23m • 1 change
1h 44m • 1 change
1h 52m • 1 change
2h 7m • 1 changeWant to know about travelling from Bristol to Cardiff Bay (Water)? 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 Bristol to Cardiff Bay (Water). However, there are services departing from Bristol station and arriving at Cardiff Bay (Water) station via Cardiff North Road. The journey, including transfers, takes approximately 2h 13m.
Bristol to Cardiff Bay (Water) bus services, operated by FlixBus, depart from Bristol Bus Station.
Bristol to Cardiff Bay (Water) bus services, operated by FlixBus, arrive at Cardiff North Road station.
The distance between Bristol and Cardiff Bay (Water) is 39.7 km. The road distance is 76 km.
FlixBus operates a bus from Bristol Bus Station to Cardiff North Road hourly. Tickets cost £4–8 and the journey takes 1h 30m.