The average bus between Brecon and Cardiff Bay (Water) takes 3h 15m and the fastest bus takes 2h 23m. The bus service runs several times per day from Brecon 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 every 3 hours between Brecon and Cardiff Bay (Water). The earliest departure is at 6:24 AM in the morning, and the last departure from Brecon is at 10:19 PM which arrives into Cardiff Bay (Water) at 7:59 AM. All services require a transfer at Merthyr Bus Station 8 and take an average of 3h 15m. The schedules shown below are for the next available departures.


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2h 23m • 2 changesWant to know about travelling from Brecon 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 Brecon to Cardiff Bay (Water). However, there are services departing from Brecon station and arriving at Cardiff Bay (Water) station via Merthyr Bus Station 7 station. The journey, including transfers, takes approximately 3h 15m.
Brecon to Cardiff Bay (Water) bus services, operated by Celtic Travel, depart from Free Street station.
Brecon to Cardiff Bay (Water) bus services, operated by Celtic Travel, arrive at Greyfriars Road GJ station.
The distance between Brecon and Cardiff Bay (Water) is 56.9 km. The road distance is 77 km.
You can take a bus from Free Street to Prospect Place via Merthyr Bus Station 8, Greyfriars Road GJ, and Cardiff Bus Interchange Bay 1 in around 2h 53m.