The average bus between Cardiff and Bristol Harbour (Water) takes 1h 33m and the fastest bus takes 1h 19m. There is a bus service every few hours from Cardiff to Bristol Harbour (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 every 2 hours between Cardiff and Bristol Harbour (Water). The earliest departure is at 4:30 AM at night, and the last departure from Cardiff is at 11:40 PM which arrives into Bristol Harbour (Water) at 1:22 AM. All services require a transfer at Bus Station and take an average of 1h 33m. The schedules shown below are for the next available departures.

1h 52m • 1 change

1h 36m • 1 change

1h 38m • 1 change

1h 29m • 1 change

1h 49m • 1 change

1h 24m • 1 change

1h 23m • 1 change

1h 25m • 1 change

2h 4m • 1 change

1h 25m • 1 change

1h 28m • 1 change

1h 33m • 1 change

1h 52m • 1 change

1h 36m • 1 change

1h 38m • 1 change

1h 19m • 1 change

1h 52m • 1 change

1h 36m • 1 change

1h 38m • 1 change

1h 19m • 1 change
Want to know about travelling from Cardiff to Bristol Harbour (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 Cardiff to Bristol Harbour (Water). However, there are services departing from Cardiff station and arriving at Bristol Harbour (Water) station via Bus Station station. The journey, including transfers, takes approximately 1h 33m.
Cardiff to Bristol Harbour (Water) bus services, operated by National Express, depart from Sophia Gardens station.
Cardiff to Bristol Harbour (Water) bus services, operated by National Express, arrive at Bus Station.
The distance between Cardiff and Bristol Harbour (Water) is 39.2 km. The road distance is 71 km.
National Express operates a bus from Sophia Gardens to Bus Station hourly. Tickets cost £8–20 and the journey takes 1h 10m.