The average train between Swansea and Plymouth takes 4h 22m and the fastest train takes 3h 53m. There is a train service every few hours from Swansea to Plymouth. 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 Plymouth. The earliest departure is at 6:54 AM in the morning, and the last departure from Swansea is at 7:19 PM which arrives into Plymouth at 11:43 PM. All services require a transfer, and take on average 4h 22m. The schedules shown below are for the next available departures.

4h 25m • 1 change

4h 25m • 1 change

4h 26m • 1 change

4h 25m • 1 change

3h 53m • 1 change

4h 4m • 1 change

4h 25m • 1 change

4h 25m • 1 change

3h 53m • 1 change

4h 4m • 1 change

4h 25m • 1 change

4h 25m • 1 change

3h 53m • 1 change

4h 4m • 1 change

4h 25m • 1 change

4h 25m • 1 change
Want to know about travelling from Swansea to Plymouth? 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 Plymouth. However, there are services departing from Swansea station and arriving at Plymouth station via Bristol Parkway. The journey, including transfers, takes approximately 4h 22m.
Swansea to Plymouth train services, operated by Great Western Railway (GWR), depart from Swansea station.
Swansea to Plymouth train services, operated by Great Western Railway (GWR), arrive at Plymouth station.
Book your Swansea to Plymouth train tickets online with Great Western Railway (GWR) and Cross Country.
The distance between Swansea and Plymouth is 139.6 km. The road distance is 340 km.
You can take a train from Swansea to Plymouth via Bristol Parkway in around 4h 49m.