The average bus between London and Cwmcarn takes 4h 58m and the fastest bus takes 3h 53m. The bus service runs several times per day from London to Cwmcarn. 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 4 hours between London and Cwmcarn. The earliest departure is at 7:30 AM in the morning, and the last departure from London is at 11:30 PM which arrives into Cwmcarn at 9:06 AM. All services require a transfer, and take on average 4h 58m. The schedules shown below are for the next available departures.

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5h 12m • 1 changeWant to know about travelling from London to Cwmcarn? 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 Cwmcarn. However, there are services departing from London Victoria station and arriving at Newport Train Station via Newport Train Station. The journey, including transfers, takes approximately 4h 58m.
London to Cwmcarn bus services, operated by FlixBus, depart from London Victoria station.
London to Cwmcarn bus services, operated by FlixBus, arrive at Newport Train Station.
The distance between London and Cwmcarn is 208 km. The road distance is 235 km.
FlixBus operates a bus from London Victoria to Newport Train Station every 3 hours. Tickets cost £15–24 and the journey takes 2h 45m.