Portsmouth to Swansea Trains

Portsmouth to Swansea trains

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Trip Overview

The average train between Portsmouth and Swansea takes 4h 52m and the fastest train takes 4h 12m. There is a train service every few hours from Portsmouth 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 52m
Duration: 185 mi
Distance: £98
Average price: Hourly
Frequency

Train

best

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

4h 27m

£81–158

Portsmouth to Swansea train times

Trains run hourly between Portsmouth and Swansea. The earliest departure is at 6:05 AM in the morning, and the last departure from Portsmouth is at 8:28 PM which arrives into Swansea at 2:11 AM. All services require a transfer, and take on average 4h 52m. The schedules shown below are for the next available departures.

Departing Saturday, August 15, 2026

10:27 AM → 3:00 PM
4h 32m • 1 change
11:27 AM → 4:28 PM
5h • 1 change
12:27 PM → 5:01 PM
4h 33m • 1 change
1:27 PM → 6:04 PM
4h 36m • 1 change
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Departing Sunday, August 16, 2026

9:14 AM → 2:01 PM
4h 47m • 1 change
10:13 AM → 3:29 PM
5h 16m • 1 change
11:14 AM → 3:45 PM
4h 30m • 1 change
12:14 PM → 4:51 PM
4h 37m • 1 change
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Departing Monday, August 17, 2026

6:05 AM → 10:59 AM
4h 54m • 1 change
7:24 AM → 12:33 PM
5h 9m • 1 change
8:27 AM → 1:30 PM
5h 2m • 1 change
9:27 AM → 2:01 PM
4h 34m • 1 change
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Departing Tuesday, August 18, 2026

6:05 AM → 10:59 AM
4h 54m • 1 change
7:24 AM → 12:33 PM
5h 9m • 1 change
8:27 AM → 1:30 PM
5h 2m • 1 change
9:27 AM → 2:01 PM
4h 34m • 1 change
Show more

Frequently asked questions

Want to know about travelling from Portsmouth 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.