The average train between Southall and Swansea takes 3h 33m and the fastest train takes 3h 13m. There is a train service every few hours from Southall 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 Southall and Swansea. The earliest departure is at 3:49 AM at night, and the last departure from Southall is at 10:32 PM which arrives into Swansea at 2:11 AM. All services require a transfer, and take on average 3h 33m. The schedules shown below are for the next available departures.

5h 13m • 1 change
3h 17m • 1 change
3h 14m • 1 change
3h 13m • 1 change
5h 13m • 1 change
3h 17m • 1 change
3h 14m • 1 change
3h 13m • 1 change
5h 13m • 1 change
3h 17m • 1 change
3h 14m • 1 change
3h 13m • 1 changeWant to know about travelling from Southall 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 Southall to Swansea. However, there are services departing from Southall station and arriving at Swansea station via Reading. The journey, including transfers, takes approximately 3h 33m.
Southall to Swansea train services, operated by Great Western Railway (GWR), depart from Southall station.
Southall to Swansea train services, operated by Great Western Railway (GWR), arrive at Swansea station.
Book your Southall to Swansea train tickets online with Great Western Railway (GWR) and Elizabeth Line (TfL).
The distance between Southall and Swansea is 247.2 km. The road distance is 291 km.
You can take a train from Southall to Swansea via Reading in around 3h 31m.