The average train between Merthyr Tydfil and St Helens takes 6h 29m and the fastest train takes 4h 50m. There is a train service every few hours from Merthyr Tydfil to St Helens. 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 hourly between Merthyr Tydfil and St Helens. The earliest departure is at 6:39 AM in the morning, and the last departure from Merthyr Tydfil is at 10:37 PM which arrives into St Helens at 8:56 AM. All services require a transfer at Cardiff Central and take an average of 6h 29m. The schedules shown below are for the next available departures.



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Want to know about travelling from Merthyr Tydfil to St Helens? 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 Merthyr Tydfil to St Helens. However, there are services departing from Merthyr Tydfil station and arriving at St Helens station via Cardiff Central. The journey, including transfers, takes approximately 6h 29m.
Merthyr Tydfil to St Helens train services, operated by Transport for Wales, depart from Merthyr Tydfil station.
Merthyr Tydfil to St Helens train services, operated by Transport for Wales, arrive at Wigan North Western station.
Book your Merthyr Tydfil to St Helens train tickets online with Transport for Wales, Avanti West Coast and Northern Trains Limited.
The distance between Merthyr Tydfil and St Helens is 194.2 km. The road distance is 332 km.
You can take a train from Merthyr Tydfil to St Helens Central via Cardiff Central, Crewe, and Wigan North Western in around 5h 52m.