The average bus between Swansea and Castell Coch takes 1h 56m and the fastest bus takes 1h 33m. There is a bus service every few hours from Swansea to Castell Coch. 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 Swansea and Castell Coch. The earliest departure is at 5:05 AM in the morning, and the last departure from Swansea is at 10:00 PM which arrives into Castell Coch at 11:59 PM. All services require a transfer at Cardiff North Road and take an average of 1h 56m. The schedules shown below are for the next available departures.

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1h 54m • 1 changeWant to know about travelling from Swansea to Castell Coch? 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 Swansea to Castell Coch. However, there are services departing from Swansea City Bus Station and arriving at Cardiff North Road station via Cardiff North Road station. The journey, including transfers, takes approximately 1h 56m.
Swansea to Castell Coch bus services, operated by FlixBus, depart from Swansea City Bus Station.
Swansea to Castell Coch bus services, operated by FlixBus, arrive at Cardiff North Road station.
The distance between Swansea and Castell Coch is 48.5 km. The road distance is 62 km.
FlixBus operates a bus from Swansea City Bus Station to Cardiff North Road hourly. Tickets cost £5–8 and the journey takes 1h 20m.