The average bus between Guildford and Cwmbran takes 5h 28m and the fastest bus takes 4h 6m. There is a bus service every few hours from Guildford to Cwmbran. 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 hourly between Guildford and Cwmbran. 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 Cwmbran at 6:47 AM. All services require a transfer at Heathrow Terminal 2 and take an average of 5h 28m. The schedules shown below are for the next available departures.


4h 49m • 2 changes


4h 37m • 2 changes
Arrives next day


7h 47m • 2 changes


5h 23m • 2 changes


5h 44m • 2 changes


5h 3m • 2 changes


5h 45m • 2 changes


5h 23m • 2 changes


5h 44m • 2 changes


5h 3m • 2 changes


5h 45m • 2 changes


5h 23m • 2 changes


5h 44m • 2 changes


5h 3m • 2 changes


5h 45m • 2 changes


5h 23m • 2 changes


5h 44m • 2 changes


5h 3m • 2 changes


6h • 2 changes
Want to know about travelling from Guildford to Cwmbran? 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 Cwmbran. However, there are services departing from Guildford station and arriving at Cwmbran station via Heathrow Terminal 2. The journey, including transfers, takes approximately 5h 28m.
Guildford to Cwmbran bus services, operated by First Berkshire & The Thames Valley, depart from Guildford station.
Guildford to Cwmbran bus services, operated by First Berkshire & The Thames Valley, arrive at Kingsway K14 station.
The distance between Guildford and Cwmbran is 176 km. The road distance is 250 km.
You can take a bus from Guildford station to Llantarnam Grange via Heathrow Terminal 2, Heathrow Central Bus Station, Kingsway K14, and Market Square 16 in around 4h 9m.