Portsmouth to South Wales Trains

Portsmouth to South Wales trains

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Trip Overview

The average train between Portsmouth and South Wales takes 5h 9m and the fastest train takes 4h 26m. There is a train service every few hours from Portsmouth to South Wales. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

5h 9m
Duration: 160 mi
Distance: £84
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 Cwmbachtrain Merthyr Tydfil - Aberdare / ...

4h 41m

£71–132

Portsmouth to South Wales train times

Trains run hourly between Portsmouth and South Wales. 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 South Wales at 1:10 AM. All services require a transfer, and take on average 5h 9m. The schedules shown below are for the next available departures.

Departing Wednesday, August 19, 2026

6:05 AM → 11:09 AM
5h 4m • 1 change
7:24 AM → 12:09 PM
4h 45m • 1 change
8:27 AM → 1:09 PM
4h 42m • 1 change
9:27 AM → 2:09 PM
4h 42m • 1 change
Show more

Departing Thursday, August 20, 2026

6:05 AM → 11:09 AM
5h 4m • 1 change
7:24 AM → 12:09 PM
4h 45m • 1 change
8:27 AM → 1:09 PM
4h 42m • 1 change
9:27 AM → 2:09 PM
4h 42m • 1 change
Show more

Departing Friday, August 21, 2026

6:05 AM → 11:09 AM
5h 4m • 1 change
7:24 AM → 12:09 PM
4h 45m • 1 change
8:27 AM → 1:09 PM
4h 42m • 1 change
9:27 AM → 2:09 PM
4h 42m • 1 change
Show more

Departing Saturday, August 22, 2026

6:12 AM → 11:09 AM
4h 56m • 1 change
7:27 AM → 12:09 PM
4h 41m • 1 change
8:27 AM → 1:09 PM
4h 41m • 1 change
9:27 AM → 2:09 PM
4h 41m • 1 change
Show more

Frequently asked questions

Want to know about travelling from Portsmouth to South Wales? 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.