The average train between Plymouth and Swansea takes 4h 6m and the fastest train takes 4h. There is a train service every few hours from Plymouth 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 Plymouth and Swansea. The earliest departure is at 5:25 AM in the morning, and the last departure from Plymouth is at 8:08 PM which arrives into Swansea at 12:44 AM. All services require a transfer, and take on average 4h 6m. The schedules shown below are for the next available departures.

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Want to know about travelling from Plymouth 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 Plymouth to Swansea. However, there are services departing from Plymouth station and arriving at Swansea station via Bristol Parkway. The journey, including transfers, takes approximately 4h 6m.
Plymouth to Swansea train services, operated by Cross Country, depart from Plymouth station.
Plymouth to Swansea train services, operated by Cross Country, arrive at Swansea station.
Book your Plymouth to Swansea train tickets online with Cross Country and Great Western Railway (GWR).
The distance between Plymouth and Swansea is 139.6 km. The road distance is 340 km.
You can take a train from Plymouth to Swansea via Bristol Parkway in around 4h 9m.