Slough to South Wales Trains

Slough to South Wales trains

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Trip Overview

The average train between Slough and South Wales takes 3h 35m and the fastest train takes 2h 52m. There is a train service every few hours from Slough 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.

3h 35m
Duration: 147 mi
Distance: £76
Average price: Hourly
Frequency

Train

best

Take the train from Reading to Cardiff Centraltrain London Paddington - Swansea / ...
Take the train from Cardiff Central to Cwmbachtrain Merthyr Tydfil - Aberdare / ...

3h 38m

£59–123

Slough to South Wales train times

Trains run hourly between Slough and South Wales. The earliest departure is at 5:22 AM in the morning, and the last departure from Slough is at 10:52 PM which arrives into South Wales at 7:09 AM. All services require a transfer at Reading and take an average of 3h 35m. The schedules shown below are for the next available departures.

Departing Friday, October 23, 2026

9:22 PM → 1:10 AM
Arrives next day
3h 48m • 2 changes
10:52 PM → 7:09 AM
Arrives next day
8h 17m • 2 changes

Departing Saturday, October 24, 2026

6:22 AM → 9:39 AM
3h 16m • 2 changes
7:47 AM → 10:39 AM
2h 52m • 2 changes
8:25 AM → 12:09 PM
3h 44m • 2 changes
9:23 AM → 1:09 PM
3h 45m • 2 changes
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Departing Sunday, October 25, 2026

8:15 AM → 11:40 AM
3h 25m • 2 changes
9:35 AM → 12:40 PM
3h 5m • 2 changes
10:35 AM → 1:40 PM
3h 5m • 2 changes
11:35 AM → 2:40 PM
3h 5m • 2 changes
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Departing Monday, October 26, 2026

5:22 AM → 9:09 AM
3h 47m • 2 changes
7:01 AM → 10:09 AM
3h 8m • 2 changes
7:31 AM → 10:39 AM
3h 8m • 2 changes
8:33 AM → 11:39 AM
3h 6m • 2 changes
Show more

Departing Tuesday, October 27, 2026

5:22 AM → 9:09 AM
3h 47m • 2 changes
7:01 AM → 10:09 AM
3h 8m • 2 changes
7:31 AM → 10:39 AM
3h 8m • 2 changes
8:33 AM → 11:39 AM
3h 6m • 2 changes
Show more

Departing Wednesday, October 28, 2026

5:22 AM → 9:09 AM
3h 47m • 2 changes
7:01 AM → 10:09 AM
3h 8m • 2 changes
7:31 AM → 10:39 AM
3h 8m • 2 changes
8:33 AM → 11:39 AM
3h 6m • 2 changes
Show more

Departing Thursday, October 29, 2026

5:22 AM → 9:09 AM
3h 47m • 2 changes
7:01 AM → 10:09 AM
3h 8m • 2 changes
7:31 AM → 10:39 AM
3h 8m • 2 changes
8:33 AM → 11:39 AM
3h 6m • 2 changes
Show more

Frequently asked questions

Want to know about travelling from Slough 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.