The average bus between Plymouth and Portsmouth Harbour takes 8h 22m and the fastest bus takes 7h 5m. The bus service runs several times per day from Plymouth to Portsmouth Harbour. 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 5 times a day between Plymouth and Portsmouth Harbour. The earliest departure is at 2:50 AM at night, and the last departure from Plymouth is at 3:45 PM which arrives into Portsmouth Harbour at 12:30 AM. All services require a transfer at Heathrow Central Bus Station and take an average of 8h 22m. The schedules shown below are for the next available departures.

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Want to know about travelling from Plymouth to Portsmouth Harbour? 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 Portsmouth Harbour. However, there are services departing from Plymouth station and arriving at Portsmouth Harbour station via Heathrow Central Bus Station station. The journey, including transfers, takes approximately 8h 22m.
Plymouth to Portsmouth Harbour bus services, operated by National Express, depart from Plymouth Coach Station.
Plymouth to Portsmouth Harbour bus services, operated by National Express, arrive at St Georges Square station.
The distance between Plymouth and Portsmouth Harbour is 219.4 km. The road distance is 435 km.
You can take a bus from Plymouth Coach Station to Portsmouth Harbour via Heathrow Central Bus Station and St Georges Square in around 7h 43m.