The average bus between Chepstow and Cardiff Bay takes 3h 40m and the fastest bus takes 1h 26m. The bus service runs several times per day from Chepstow to Cardiff Bay. 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 3 times a day between Chepstow and Cardiff Bay. The earliest departure is at 11:15 AM in the morning, and the last departure from Chepstow is at 10:40 PM which arrives into Cardiff Bay at 5:06 AM. All services require a transfer at Sophia Gardens and take an average of 3h 40m. The schedules shown below are for the next available departures.


1h 46m • 2 changes


2h 11m • 2 changes
Arrives next day


6h 26m • 2 changes


1h 55m • 2 changes


1h 26m • 2 changes


2h 21m • 2 changes
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8h 32m • 2 changes


1h 55m • 2 changes


3h 20m • 2 changes
Arrives next day


8h 32m • 2 changes


1h 55m • 2 changes


2h 6m • 2 changes


2h • 2 changes
Arrives next day


6h 26m • 2 changes


1h 47m • 2 changes


1h 26m • 2 changes
Arrives next day


6h 26m • 2 changes
Want to know about travelling from Chepstow to Cardiff Bay? 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 Chepstow to Cardiff Bay. However, there are services departing from Chepstow station and arriving at Cardiff Bay station via Sophia Gardens. The journey, including transfers, takes approximately 3h 40m.
Chepstow to Cardiff Bay bus services, operated by National Express, depart from Chepstow Bus Station Stand 2.
Chepstow to Cardiff Bay bus services, operated by National Express, arrive at Sophia Gardens station.
The distance between Chepstow and Cardiff Bay is 39 km. The road distance is 54 km.
National Express operates a bus from Chepstow Bus Station Stand 2 to Sophia Gardens every 4 hours. Tickets cost £5–14 and the journey takes 55 min.