The average train between Swansea and Chepstow takes 1h 58m and the fastest train takes 1h 32m. There is a train service every few hours from Swansea to Chepstow. 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 Swansea and Chepstow. The earliest departure is at 4:59 AM at night, and the last departure from Swansea is at 9:23 PM which arrives into Chepstow at 12:22 AM. All services require a transfer, and take on average 1h 58m. The schedules shown below are for the next available departures.

1h 53m • 1 change

1h 50m • 1 change

1h 54m • 1 change

1h 50m • 1 change

1h 45m • 1 change

1h 45m • 1 change

1h 47m • 1 change

1h 49m • 1 change

1h 45m • 1 change

1h 45m • 1 change

1h 47m • 1 change

1h 49m • 1 change
Want to know about travelling from Swansea to Chepstow? 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 Swansea to Chepstow. However, there are services departing from Swansea station and arriving at Chepstow station via Newport (S Wales). The journey, including transfers, takes approximately 1h 58m.
Swansea to Chepstow train services, operated by Great Western Railway (GWR), depart from Swansea station.
Swansea to Chepstow train services, operated by Great Western Railway (GWR), arrive at Newport (S Wales) station.
Book your Swansea to Chepstow train tickets online with Great Western Railway (GWR), Cross Country and Transport for Wales.
The distance between Swansea and Chepstow is 87.4 km. The road distance is 119 km.
Transport for Wales operates a train from Swansea to Newport (S Wales) every 3 hours. Tickets cost £23–40 and the journey takes 1h 11m. Great Western Railway (GWR) also services this route hourly.