The average train between Southall and Swansea takes 3h 34m 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 34m. The schedules shown below are for the next available departures.

3h 27m • 1 change

3h 28m • 1 change

3h 27m • 1 change

3h 28m • 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 change
Want 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 34m.
Southall to Swansea train services, operated by Elizabeth Line (TfL), depart from Southall station.
Southall to Swansea train services, operated by Elizabeth Line (TfL), arrive at Swansea station.
Book your Southall to Swansea train tickets online with Elizabeth Line (TfL) and Great Western Railway (GWR).
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 41m.