The average train between Fishguard and Merthyr Tydfil takes 4h 56m and the fastest train takes 3h 48m. The train service runs several times per day from Fishguard 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.
Trains run 3 times a day between Fishguard and Merthyr Tydfil. The earliest departure is at 8:03 AM in the morning, and the last departure from Fishguard is at 9:49 PM which arrives into Merthyr Tydfil at 6:33 AM. All services require a transfer, and take on average 4h 56m. The schedules shown below are for the next available departures.

4h 2m • 1 change

3h 59m • 1 change
Arrives next day

8h 43m • 1 change

4h 2m • 1 change

3h 59m • 1 change
Arrives next day

8h 43m • 1 change

4h 2m • 1 change

3h 59m • 1 change
Arrives next day

8h 43m • 1 change
Want to know about travelling from Fishguard 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.
No, there is no direct train from Fishguard to Merthyr Tydfil. However, there are services departing from Fishguard station and arriving at Merthyr Tydfil station via Cardiff Central. The journey, including transfers, takes approximately 4h 56m.
Fishguard to Merthyr Tydfil train services, operated by Transport for Wales, depart from Fishguard & Goodwick station.
Fishguard to Merthyr Tydfil train services, operated by Transport for Wales, arrive at Merthyr Tydfil station.
Book your Fishguard to Merthyr Tydfil train tickets online with Transport for Wales.
The distance between Fishguard and Merthyr Tydfil is 113.1 km. The road distance is 228 km.
You can take a train from Fishguard & Goodwick to Merthyr Tydfil via Cardiff Central in around 4h 5m.