The average train between Cardiff Bay and Merthyr Tydfil takes 1h 17m and the fastest train takes 1h 3m. There is an hourly train service from Cardiff Bay 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 hourly between Cardiff Bay and Merthyr Tydfil. The earliest departure is at 6:56 AM in the morning, and the last departure from Cardiff Bay is at 11:54 PM which arrives into Merthyr Tydfil at 6:33 AM. All services require a transfer, and take on average 1h 17m. The schedules shown below are for the next available departures.
Want to know about travelling from Cardiff Bay 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 Cardiff Bay to Merthyr Tydfil. However, there are services departing from Cardiff Bay station and arriving at Merthyr Tydfil station via Merthyr Tydfil. The journey, including transfers, takes approximately 1h 17m.
Cardiff Bay to Merthyr Tydfil train services, operated by Transport for Wales, depart from Cardiff Queen Street station.
Cardiff Bay to Merthyr Tydfil train services, operated by Transport for Wales, arrive at Merthyr Tydfil station.
Book your Cardiff Bay to Merthyr Tydfil train tickets online with Transport for Wales.
The distance between Cardiff Bay and Merthyr Tydfil is 34.9 km. The road distance is 39 km.
Transport for Wales operates a train from Cardiff Queen Street to Merthyr Tydfil hourly. Tickets cost £9–16 and the journey takes 59 min.