The average bus between London and Mountain Ash takes 6h 17m and the fastest bus takes 5h 2m. The bus service runs several times per day from London to Mountain Ash. 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 5 times a day between London and Mountain Ash. The earliest departure is at 12:30 AM at night, and the last departure from London is at 11:59 PM which arrives into Mountain Ash at 8:50 AM. All services require a transfer at Kingsway GR and take an average of 6h 17m. The schedules shown below are for the next available departures.


8h 20m • 2 changes


5h 32m • 2 changes


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5h 49m • 2 changes


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5h 49m • 2 changes
Arrives next day


8h 51m • 2 changes


5h 32m • 2 changes


5h 32m • 2 changes


5h 49m • 2 changes
Arrives next day


8h 51m • 2 changes


5h 32m • 2 changes


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5h 32m • 2 changes


6h 49m • 2 changes


9h 32m • 2 changes


5h 32m • 2 changes


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5h 32m • 2 changes
Want to know about travelling from London to Mountain Ash? 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 London to Mountain Ash. However, there are services departing from London station and arriving at Mountain Ash station via Kingsway GR. The journey, including transfers, takes approximately 6h 17m.
London to Mountain Ash bus services, operated by National Express, depart from London Victoria station.
London to Mountain Ash bus services, operated by National Express, arrive at Kingsway GR station.
Book your London to Mountain Ash bus tickets online with National Express and Stagecoach South Wales.
The distance between London and Mountain Ash is 225.3 km. The road distance is 275 km.
National Express operates a bus from London Victoria to Kingsway GR hourly. Tickets cost £28–70 and the journey takes 3h 35m.