Porth to Carmarthen Trains

Porth to Carmarthen trains

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Trip Overview

The average train between Porth and Carmarthen takes 2h 46m and the fastest train takes 2h 23m. There is a train service every few hours from Porth to Carmarthen. 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 46m
Duration: 92 mi
Distance: £47
Average price: Hourly
Frequency

Train

best

Take the train from Porth to Cardiff Centraltrain Treherbert - Cardiff Central / ...
Take the train from Cardiff Central to Carmarthentrain Bristol Temple Meads - Milford Haven / ...

3h 1m

£36–80

Porth to Carmarthen train times

Trains run hourly between Porth and Carmarthen. The earliest departure is at 5:54 AM in the morning, and the last departure from Porth is at 9:34 PM which arrives into Carmarthen at 12:05 AM. All services require a transfer, and take on average 2h 46m. The schedules shown below are for the next available departures.

Departing Wednesday, August 12, 2026

2:04 PM → 4:49 PM
2h 45m • 1 change
2:34 PM → 5:21 PM
2h 47m • 1 change
3:04 PM → 5:56 PM
2h 52m • 1 change
4:04 PM → 6:49 PM
2h 45m • 1 change
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Departing Thursday, August 13, 2026

5:54 AM → 8:25 AM
2h 31m • 1 change
6:34 AM → 8:57 AM
2h 23m • 1 change
8:04 AM → 10:31 AM
2h 27m • 1 change
9:04 AM → 11:45 AM
2h 41m • 1 change
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Departing Friday, August 14, 2026

5:54 AM → 8:25 AM
2h 31m • 1 change
6:34 AM → 8:57 AM
2h 23m • 1 change
8:04 AM → 10:31 AM
2h 27m • 1 change
9:04 AM → 11:45 AM
2h 41m • 1 change
Show more

Frequently asked questions

Want to know about travelling from Porth to Carmarthen? 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.