The average bus between Swansea and Merthyr Tydfil takes 2h 39m and the fastest bus takes 2h 22m. The bus service runs several times per day from Swansea 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.
Buses run every 3 hours between Swansea and Merthyr Tydfil. The earliest departure is at 8:08 AM in the morning, and the last departure from Swansea is at 6:27 PM which arrives into Merthyr Tydfil at 8:49 PM. All services require a transfer, and take on average 2h 39m. The schedules shown below are for the next available departures.

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2h 36m • 1 changeWant to know about travelling from Swansea 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 bus from Swansea to Merthyr Tydfil. However, there are services departing from Sainsbury's Quay Parade station and arriving at Merthyr Bus Station 7 via Brecon Interchange 5 station. The journey, including transfers, takes approximately 2h 39m.
Swansea to Merthyr Tydfil bus services, operated by Adventure Travel, depart from Sainsbury's Quay Parade station.
Swansea to Merthyr Tydfil bus services, operated by Celtic Travel, arrive at Merthyr Bus Station 7.
The distance between Swansea and Merthyr Tydfil is 41.5 km. The road distance is 51 km.
You can take a bus from Sainsbury's Quay Parade to Merthyr Bus Station 7 via Brecon Interchange 1 in around 3h 10m.