The average train between Castell Coch and Swansea takes 1h 32m and the fastest train takes 1h 14m. The train runs at least 2 times per hour from Castell Coch to Swansea. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.
Trains run every 30 minutes between Castell Coch and Swansea. The earliest departure is at 6:15 AM in the morning, and the last departure from Castell Coch is at 11:35 PM which arrives into Swansea at 2:11 AM. All services require a transfer at Taffs Well and take an average of 1h 32m. The schedules shown below are for the next available departures.

1h 22m • 1 change
Arrives next day

1h 59m • 1 change
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1h 26m • 1 change
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2h 35m • 1 change

1h 15m • 1 change

1h 20m • 1 change

1h 51m • 1 change

1h 31m • 1 change

1h 15m • 1 change

1h 20m • 1 change

1h 51m • 1 change

1h 31m • 1 change
Want to know about travelling from Castell Coch to Swansea? 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 train from Castell Coch to Swansea. However, there are services departing from Castell Coch station and arriving at Swansea station via Cardiff Central. The journey, including transfers, takes approximately 1h 32m.
Castell Coch to Swansea train services, operated by Transport for Wales, depart from Taffs Well station.
Castell Coch to Swansea train services, operated by Transport for Wales, arrive at Swansea station.
Book your Castell Coch to Swansea train tickets online with Transport for Wales and Great Western Railway (GWR).
The distance between Castell Coch and Swansea is 48.5 km. The road distance is 85 km.
You can take a vehicle from Castell Coch to Swansea via Taffs Well and Cardiff Central in around 1h 39m.