The average train between Swansea and Southend-on-Sea takes 4h 24m and the fastest train takes 4h 4m. There is a train service every few hours from Swansea to Southend-on-Sea. 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 Southend-on-Sea. The earliest departure is at 3:46 AM at night, and the last departure from Swansea is at 8:23 PM which arrives into Southend-on-Sea at 1:23 AM. All services require a transfer at London Paddington and take an average of 4h 24m. The schedules shown below are for the next available departures.


4h 14m • 2 changes


4h 28m • 2 changes


4h 29m • 2 changes


4h 7m • 2 changes


5h 7m • 2 changes


4h 14m • 2 changes


4h 23m • 2 changes


4h 17m • 2 changes


5h 7m • 2 changes


4h 14m • 2 changes


4h 23m • 2 changes


4h 17m • 2 changes
Want to know about travelling from Swansea to Southend-on-Sea? 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 Southend-on-Sea. However, there are services departing from Swansea station and arriving at Southend-on-Sea station via London Paddington. The journey, including transfers, takes approximately 4h 24m.
Swansea to Southend-on-Sea train services, operated by Great Western Railway (GWR), depart from Swansea station.
Swansea to Southend-on-Sea train services, operated by Great Western Railway (GWR), arrive at Southend Victoria station.
Book your Swansea to Southend-on-Sea train tickets online with Great Western Railway (GWR), Elizabeth Line (TfL) and Greater Anglia.
The distance between Swansea and Southend-on-Sea is 321.9 km. The road distance is 379 km.
You can take a train from Swansea to Southend Victoria via London Paddington and Stratford (London) in around 4h 21m.