The average bus between Cwmbran and Portishead takes 2h 35m and the fastest bus takes 1h 58m. There is a bus service every few hours from Cwmbran to Portishead. 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 Cwmbran and Portishead. The earliest departure is at 6:14 AM in the morning, and the last departure from Cwmbran is at 10:17 PM which arrives into Portishead at 6:57 AM. All services require a transfer at Market Square 15A and take an average of 2h 35m. The schedules shown below are for the next available departures.


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2h 12m • 2 changesWant to know about travelling from Cwmbran to Portishead? 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 Cwmbran to Portishead. However, there are services departing from Newport Train Station and arriving at Combe Road station via Bristol Bus Station. The journey, including transfers, takes approximately 2h 35m.
Cwmbran to Portishead bus services, operated by FlixBus, depart from Newport Train Station.
Cwmbran to Portishead bus services, operated by First Bristol, Bath & the West, arrive at Combe Road station.
The distance between Cwmbran and Portishead is 26 km. The road distance is 50 km.
You can take a bus from Cwmbran Bus Station Stand A to Combe Road via Market Square 15A, Newport Train Station, and Bus Station in around 2h 32m.