The average bus between Plymouth and Cardiff takes 5h 2m and the fastest bus takes 4h 26m. There is a bus service every few hours from Plymouth to Cardiff. 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 Plymouth and Cardiff. The earliest departure is at 1:00 AM at night, and the last departure from Plymouth is at 9:00 PM which arrives into Cardiff at 1:30 AM. All services require a transfer, and take on average 5h 2m. The schedules shown below are for the next available departures.

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Want to know about travelling from Plymouth to Cardiff? 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 Plymouth to Cardiff. However, there are services departing from Plymouth station and arriving at Cardiff station via Public Transport Interchange. The journey, including transfers, takes approximately 5h 2m.
Plymouth to Cardiff bus services, operated by Stagecoach South West, depart from Plymouth Coach Station.
Plymouth to Cardiff bus services, operated by Stagecoach South West, arrive at Kingsway GR station.
Book your Plymouth to Cardiff bus tickets online with Stagecoach South West, FlixBus and National Express.
The distance between Plymouth and Cardiff is 140.5 km. The road distance is 258 km.
You can take a bus from Plymouth Coach Station to Kingsway GR via Public Transport Interchange in around 4h 59m.