The average bus between Bristol and Cardiff Bay (Water) takes 2h 8m and the fastest bus takes 1h 43m. 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 4:35 AM at night, and the last departure from Bristol is at 9:05 PM which arrives into Cardiff Bay (Water) at 11:12 PM. All services require a transfer at Cardiff North Road and take an average of 2h 8m. The schedules shown below are for the next available departures.

2h 20m • 1 change

2h 15m • 1 change

2h 15m • 1 change

2h 22m • 1 change

2h 15m • 1 change

2h 12m • 1 change

1h 45m • 1 change

1h 56m • 1 change

2h 15m • 1 change

2h 12m • 1 change

1h 45m • 1 change

1h 56m • 1 change

2h 32m • 1 change

2h 17m • 1 change

2h 9m • 1 change

2h 17m • 1 change
Want 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 8m.
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 Prospect Place station.
The distance between Bristol and Cardiff Bay (Water) is 39.7 km. The road distance is 74 km.
You can take a bus from Bristol Bus Station to Prospect Place via Cardiff North Road and Kingsway GR in around 2h 9m.