The average bus between Staines and Portsmouth takes 3h and the fastest bus takes 2h 20m. The bus service runs several times per day from Staines to Portsmouth. 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 Staines and Portsmouth. The earliest departure is at 8:05 AM in the morning, and the last departure from Staines is at 8:05 PM which arrives into Portsmouth at 12:33 AM. All services require a transfer, and take on average 3h. The schedules shown below are for the next available departures.

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2h 20m • 1 changeWant to know about travelling from Staines to Portsmouth? 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 Staines to Portsmouth. However, there are services departing from Heathrow Terminal 5 station and arriving at University of Portsmouth station via University of Portsmouth station. The journey, including transfers, takes approximately 3h.
Staines to Portsmouth bus services, operated by National Express, depart from Heathrow Terminal 5 station.
Staines to Portsmouth bus services, operated by National Express, arrive at University of Portsmouth station.
The distance between Staines and Portsmouth is 81.6 km. The road distance is 97 km.
National Express operates a bus from Heathrow Terminal 5 to University of Portsmouth hourly. Tickets cost £9–17 and the journey takes 1h 40m.