The average train between Southampton and Neath takes 3h 58m and the fastest train takes 3h 16m. There is a train service every few hours from Southampton to Neath. 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 Southampton and Neath. The earliest departure is at 6:47 AM in the morning, and the last departure from Southampton is at 9:11 PM which arrives into Neath at 1:58 AM. All services require a transfer, and take on average 3h 58m. The schedules shown below are for the next available departures.

3h 35m • 1 change

4h 7m • 1 change

3h 39m • 1 change

3h 52m • 1 change

3h 57m • 1 change

4h 10m • 1 change

4h 6m • 1 change

4h 4m • 1 change

3h 57m • 1 change

4h 10m • 1 change

4h 6m • 1 change

4h 4m • 1 change

3h 57m • 1 change

4h 10m • 1 change

4h 6m • 1 change

4h 4m • 1 change
Want to know about travelling from Southampton to Neath? 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 Southampton to Neath. However, there are services departing from Southampton station and arriving at Neath station via Cardiff Central. The journey, including transfers, takes approximately 3h 58m.
Southampton to Neath train services, operated by Great Western Railway (GWR), depart from Southampton Central station.
Southampton to Neath train services, operated by Great Western Railway (GWR), arrive at Neath station.
Book your Southampton to Neath train tickets online with Great Western Railway (GWR) and Transport for Wales.
The distance between Southampton and Neath is 187 km. The road distance is 245 km.
You can take a train from Southampton Central to Neath via Cardiff Central in around 3h 32m.