Southampton to Swansea Trains

Southampton to Swansea trains

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Trip Overview

The average train between Southampton and Swansea takes 4h 8m and the fastest train takes 3h 29m. There is a train service every few hours from Southampton 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.

4h 8m
Duration: 160 mi
Distance: £85
Average price: Hourly
Frequency

Train

best

Take the train from Southampton Central to Cardiff Centraltrain Portsmouth Harbour - Cardiff Central / ...
Take the train from Cardiff Central to Swanseatrain London Paddington - Swansea / ...

3h 43m

£70–138

Southampton to Swansea train times

Trains run hourly between Southampton and Swansea. The earliest departure is at 6:47 AM in the morning, and the last departure from Southampton is at 9:12 PM which arrives into Swansea at 9:19 AM. All services require a transfer, and take on average 4h 8m. The schedules shown below are for the next available departures.

Departing Wednesday, August 12, 2026

3:11 PM → 7:04 PM
3h 53m • 1 change
4:11 PM → 8:12 PM
4h 1m • 1 change
5:11 PM → 9:16 PM
4h 5m • 1 change
6:11 PM → 9:58 PM
3h 47m • 1 change
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Departing Thursday, August 13, 2026

6:47 AM → 10:59 AM
4h 12m • 1 change
8:10 AM → 12:33 PM
4h 23m • 1 change
9:11 AM → 1:30 PM
4h 19m • 1 change
10:11 AM → 2:01 PM
3h 50m • 1 change
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Departing Friday, August 14, 2026

6:47 AM → 10:59 AM
4h 12m • 1 change
8:10 AM → 12:33 PM
4h 23m • 1 change
9:11 AM → 1:30 PM
4h 19m • 1 change
10:11 AM → 2:01 PM
3h 50m • 1 change
Show more

Departing Saturday, August 15, 2026

6:59 AM → 11:01 AM
4h 2m • 1 change
8:09 AM → 12:34 PM
4h 24m • 1 change
9:10 AM → 1:02 PM
3h 52m • 1 change
10:10 AM → 2:30 PM
4h 19m • 1 change
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Departing Sunday, August 16, 2026

9:57 AM → 2:01 PM
4h 4m • 1 change

Frequently asked questions

Want to know about travelling from Southampton 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.