The average bus between Guildford and Merthyr Tydfil takes 9h 5m and the fastest bus takes 7h 51m. The bus service runs several times per day from Guildford 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 Guildford and Merthyr Tydfil. The earliest departure is at 5:21 AM in the morning, and the last departure from Guildford is at 11:00 PM which arrives into Merthyr Tydfil at 9:17 AM. All services require a transfer at Heathrow Terminal 5 and take an average of 9h 5m. The schedules shown below are for the next available departures.



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8h 16m • 3 changesWant to know about travelling from Guildford 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 Guildford to Merthyr Tydfil. However, there are services departing from Heathrow Terminal 5 station and arriving at Tredegar Lidl Stand 1 station via Kingsway K14 station. The journey, including transfers, takes approximately 9h 5m.
Guildford to Merthyr Tydfil bus services, operated by National Express, depart from Heathrow Terminal 5 station.
Guildford to Merthyr Tydfil bus services, operated by Stagecoach South Wales, arrive at Tredegar Lidl Stand 1 station.
The distance between Guildford and Merthyr Tydfil is 202.3 km. The road distance is 242 km.
You can take a bus from Guildford station to Trevithick Memorial via Heathrow Terminal 5, Kingsway K14, Market Square 20, and Tredegar Lidl Stand 1 in around 6h 47m.