Train Llanelli to Treforest from £34 | Tickets & Timetables

Trip Overview

The average train between Llanelli and Treforest takes 2h 16m and the fastest train takes 1h 51m. There is a train service every few hours from Llanelli to Treforest. 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: 68 mi
Distance: £34
Average price: Hourly
Frequency

Train

best

Take the train from Llanelli to Cardiff Centraltrain Pembroke Dock - Cardiff Central / ...
Take the train from Cardiff Central to Trefforesttrain Cardiff Central - Aberdare / ...

2h 16m

£25–54

Llanelli to Treforest train times

Trains run hourly between Llanelli and Treforest. The earliest departure is at 6:31 AM in the morning, and the last departure from Llanelli is at 11:10 PM which arrives into Treforest at 5:56 AM. All services require a transfer, and take on average 2h 16m. The schedules shown below are for the next available departures.

Departing Monday, April 27, 2026

12:24 PM → 2:23 PM
1h 59m • 1 change
1:22 PM → 3:23 PM
2h 1m • 1 change
2:22 PM → 4:23 PM
2h 1m • 1 change
2:48 PM → 4:53 PM
2h 5m • 1 change
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Departing Tuesday, April 28, 2026

6:31 AM → 8:23 AM
1h 52m • 1 change
7:19 AM → 9:23 AM
2h 4m • 1 change
7:56 AM → 9:53 AM
1h 57m • 1 change
8:27 AM → 10:23 AM
1h 56m • 1 change
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Departing Wednesday, April 29, 2026

6:31 AM → 8:23 AM
1h 52m • 1 change
7:19 AM → 9:23 AM
2h 4m • 1 change
7:56 AM → 9:53 AM
1h 57m • 1 change
8:27 AM → 10:23 AM
1h 56m • 1 change
Show more

Frequently asked questions

Want to know about travelling from Llanelli to Treforest? 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.