The average train between Chepstow and Swansea takes 1h 56m and the fastest train takes 1h 32m. There is a train service every few hours from Chepstow 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 hourly between Chepstow and Swansea. The earliest departure is at 6:17 AM in the morning, and the last departure from Chepstow is at 11:38 PM which arrives into Swansea at 2:11 AM. All services require a transfer, and take on average 1h 56m. The schedules shown below are for the next available departures.

1h 58m • 1 change

1h 41m • 1 change

1h 35m • 1 change

1h 36m • 1 change

1h 58m • 1 change

1h 41m • 1 change

1h 35m • 1 change

1h 36m • 1 change

1h 58m • 1 change

1h 41m • 1 change

1h 35m • 1 change

1h 36m • 1 change
Want to know about travelling from Chepstow 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 Chepstow to Swansea. However, there are services departing from Chepstow station and arriving at Swansea station via Swansea. The journey, including transfers, takes approximately 1h 56m.
Chepstow to Swansea train services, operated by Transport for Wales, depart from Newport (S Wales) station.
Chepstow to Swansea train services, operated by Transport for Wales, arrive at Swansea station.
Book your Chepstow to Swansea train tickets online with Transport for Wales, Cross Country and Great Western Railway (GWR).
The distance between Chepstow and Swansea is 87.4 km. The road distance is 119 km.
Transport for Wales operates a train from Newport (S Wales) to Swansea every 2 hours. Tickets cost £22–40 and the journey takes 1h 11m. Great Western Railway (GWR) also services this route hourly.