The average bus between Cardiff Bay (Water) and Caerphilly takes 2h 5m and the fastest bus takes 1h 23m. There is a bus service every few hours from Cardiff Bay (Water) to Caerphilly. 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 Bay (Water) and Caerphilly. The earliest departure is at 12:32 AM at night, and the last departure from Cardiff Bay (Water) is at 7:54 PM which arrives into Caerphilly at 9:40 PM. All services require a transfer at Cardiff Bus Interchange Bay 1 and take an average of 2h 5m. The schedules shown below are for the next available departures.

1h 44m • 1 change
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7h 42m • 1 change
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7h 42m • 1 change
1h 43m • 1 change
1h 35m • 1 change
1h 25m • 1 change
7h 42m • 1 change
1h 43m • 1 change
1h 35m • 1 change
1h 25m • 1 change
7h 42m • 1 change
1h 41m • 1 change
1h 35m • 1 change
1h 25m • 1 changeWant to know about travelling from Cardiff Bay (Water) to Caerphilly? 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 Bay (Water) to Caerphilly. However, there are services departing from Cardiff Bay (Water) station and arriving at Caerphilly station via Caerphilly Library / The Twyn. The journey, including transfers, takes approximately 2h 5m.
Cardiff Bay (Water) to Caerphilly bus services, operated by First South & West Wales, depart from Greyfriars Road GJ station.
Cardiff Bay (Water) to Caerphilly bus services, operated by First South & West Wales, arrive at Caerphilly Library / The Twyn station.
The distance between Cardiff Bay (Water) and Caerphilly is 13.8 km. The road distance is 21 km.
Stagecoach South Wales operates a bus from Greyfriars Road GJ to Caerphilly Library / The Twyn hourly. Tickets cost £4–6 and the journey takes 46 min.