Swansea to Portsmouth Trains

Swansea to Portsmouth trains

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Trip Overview

The average train between Swansea and Portsmouth takes 4h 25m and the fastest train takes 4h 18m. There is a train service every few hours from Swansea to Portsmouth. 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 25m
Duration: 184 mi
Distance: £92
Average price: Hourly
Frequency

Train

best

Take the train from Swansea to Cardiff Centraltrain Milford Haven - Shrewsbury / ...
Take the train from Cardiff Central to Portsmouth & Southseatrain Cardiff Central - Portsmouth Harbour

5h 1m

£70–144

Swansea to Portsmouth train times

Trains run hourly between Swansea and Portsmouth. The earliest departure is at 5:25 AM in the morning, and the last departure from Swansea is at 7:24 PM which arrives into Portsmouth at 11:52 PM. All services require a transfer, and take on average 4h 25m. The schedules shown below are for the next available departures.

Departing Sunday, November 8, 2026

7:55 AM → 12:46 PM
4h 51m • 1 change
9:23 AM → 1:45 PM
4h 22m • 1 change
10:22 AM → 2:45 PM
4h 23m • 1 change
11:23 AM → 3:46 PM
4h 23m • 1 change
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Departing Monday, November 9, 2026

5:29 AM → 9:47 AM
4h 18m • 1 change
6:26 AM → 10:48 AM
4h 22m • 1 change
7:18 AM → 11:47 AM
4h 29m • 1 change
8:23 AM → 12:47 PM
4h 24m • 1 change
Show more

Departing Tuesday, November 10, 2026

5:29 AM → 9:47 AM
4h 18m • 1 change
6:26 AM → 10:48 AM
4h 22m • 1 change
7:18 AM → 11:47 AM
4h 29m • 1 change
8:23 AM → 12:47 PM
4h 24m • 1 change
Show more

Departing Wednesday, November 11, 2026

5:29 AM → 9:47 AM
4h 18m • 1 change
6:26 AM → 10:48 AM
4h 22m • 1 change
7:18 AM → 11:47 AM
4h 29m • 1 change
8:23 AM → 12:47 PM
4h 24m • 1 change
Show more

Departing Thursday, November 12, 2026

5:29 AM → 9:47 AM
4h 18m • 1 change
6:26 AM → 10:48 AM
4h 22m • 1 change
7:18 AM → 11:47 AM
4h 29m • 1 change
8:23 AM → 12:47 PM
4h 24m • 1 change
Show more

Departing Friday, November 13, 2026

5:29 AM → 9:47 AM
4h 18m • 1 change
6:26 AM → 10:48 AM
4h 22m • 1 change
7:18 AM → 11:47 AM
4h 29m • 1 change
8:23 AM → 12:47 PM
4h 24m • 1 change
Show more

Departing Saturday, November 14, 2026

5:25 AM → 9:47 AM
4h 22m • 1 change
6:23 AM → 10:47 AM
4h 24m • 1 change
7:22 AM → 11:47 AM
4h 25m • 1 change
8:22 AM → 12:47 PM
4h 25m • 1 change
Show more

Frequently asked questions

Want to know about travelling from Swansea to Portsmouth? 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.