Swansea to Merthyr Tydfil Trains

Swansea to Merthyr Tydfil trains

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Trip Overview

The average train between Swansea and Merthyr Tydfil takes 2h 15m and the fastest train takes 2h 3m. There is an hourly train service from Swansea to Merthyr Tydfil. 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 15m
Duration: 69 mi
Distance: £33
Average price: Hourly
Frequency

Train

best

Take the train from Swansea to Cardiff Centraltrain Swansea - Cardiff Central / ...
Take the train from Cardiff Central to Merthyr Tydfiltrain Aberdare - Merthyr Tydfil / ...

2h 36m

£23–47

Swansea to Merthyr Tydfil train times

Trains run hourly between Swansea and Merthyr Tydfil. The earliest departure is at 3:46 AM at night, and the last departure from Swansea is at 10:36 PM which arrives into Merthyr Tydfil at 9:28 AM. All services require a transfer, and take on average 2h 15m. The schedules shown below are for the next available departures.

Departing Saturday, October 17, 2026

3:56 AM → 6:33 AM
2h 37m • 1 change
5:25 AM → 7:33 AM
2h 8m • 1 change
5:52 AM → 8:03 AM
2h 11m • 1 change
6:54 AM → 9:03 AM
2h 9m • 1 change
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Departing Sunday, October 18, 2026

7:55 AM → 10:28 AM
2h 33m • 1 change
9:23 AM → 11:28 AM
2h 5m • 1 change
10:22 AM → 12:28 PM
2h 6m • 1 change
11:23 AM → 1:28 PM
2h 5m • 1 change
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Departing Monday, October 19, 2026

3:46 AM → 6:33 AM
2h 47m • 1 change
4:59 AM → 7:03 AM
2h 4m • 1 change
5:29 AM → 7:33 AM
2h 4m • 1 change
5:57 AM → 8:03 AM
2h 6m • 1 change
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Frequently asked questions

Want to know about travelling from Swansea to Merthyr Tydfil? 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.