Southampton Airport (SOU) to Cardiff Trains

Southampton Airport (SOU) to Cardiff trains

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Trip Overview

The average train between Southampton Airport (SOU) and Cardiff takes 2h 16m and the fastest train takes 2h 10m. There is a train service every few hours from Southampton Airport (SOU) to Cardiff. The journey time may be longer on weekends and holidays; use the search form on this page to search for a specific travel date.

2h 16m
Duration: 151 mi
Distance: £88
Average price: Hourly
Frequency

Train via Reading

best

Take the train from Southampton Airport Parkway to Readingtrain Bournemouth - Manchester Piccadilly / ...
Take the train from Reading to Cardiff Centraltrain London Paddington - Swansea / ...

2h 32m

£68–127

Southampton Airport (SOU) to Cardiff train times

Trains run hourly between Southampton Airport (SOU) and Cardiff. The earliest departure is at 6:24 AM in the morning, and the last departure from Southampton Airport (SOU) is at 8:23 PM which arrives into Cardiff at 10:47 PM. All services require a transfer, and take on average 2h 16m. The schedules shown below are for the next available departures.

Departing Monday, August 17, 2026

8:23 PM → 10:47 PM
2h 24m • 1 change

Departing Tuesday, August 18, 2026

6:24 AM → 8:40 AM
2h 16m • 1 change
7:23 AM → 9:36 AM
2h 13m • 1 change
8:23 AM → 10:37 AM
2h 14m • 1 change
9:23 AM → 12:10 PM
2h 46m • 1 change
Show more

Departing Wednesday, August 19, 2026

6:24 AM → 8:40 AM
2h 16m • 1 change
7:23 AM → 9:36 AM
2h 13m • 1 change
8:23 AM → 10:37 AM
2h 14m • 1 change
9:23 AM → 12:10 PM
2h 46m • 1 change
Show more

Departing Thursday, August 20, 2026

6:24 AM → 8:40 AM
2h 16m • 1 change
7:23 AM → 9:36 AM
2h 13m • 1 change
8:23 AM → 10:37 AM
2h 14m • 1 change
9:23 AM → 12:10 PM
2h 46m • 1 change
Show more

Departing Friday, August 21, 2026

6:24 AM → 8:40 AM
2h 16m • 1 change
7:23 AM → 9:36 AM
2h 13m • 1 change
8:23 AM → 10:37 AM
2h 14m • 1 change
9:23 AM → 12:10 PM
2h 46m • 1 change
Show more

Frequently asked questions

Want to know about travelling from Southampton Airport (SOU) to Cardiff? 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.