The average bus between Chalfont St Giles and Portsmouth Harbour takes 3h 39m and the fastest bus takes 2h 49m. The bus service runs several times per day from Chalfont St Giles 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 Chalfont St Giles and Portsmouth Harbour. The earliest departure is at 6:49 AM in the morning, and the last departure from Chalfont St Giles is at 7:54 PM which arrives into Portsmouth Harbour at 12:30 AM. All services require a transfer at Springbridge Nurseries and take an average of 3h 39m. The schedules shown below are for the next available departures.


3h 7m • 2 changes


3h 25m • 2 changes


3h 35m • 2 changes


3h 26m • 2 changes


3h 7m • 2 changes


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3h 35m • 2 changes


3h 26m • 2 changes


3h 7m • 2 changes


3h 25m • 2 changes


3h 35m • 2 changes


3h 26m • 2 changes


3h 7m • 2 changes


4h • 2 changes


3h 55m • 2 changes


3h 18m • 2 changes


3h 51m • 2 changes


4h • 2 changes


3h 30m • 2 changes


3h 55m • 2 changes
Want to know about travelling from Chalfont St Giles 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 Chalfont St Giles to Portsmouth Harbour. However, there are services departing from Chalfont St Giles station and arriving at Portsmouth Harbour station via St Georges Square. The journey, including transfers, takes approximately 3h 39m.
Chalfont St Giles to Portsmouth Harbour bus services, operated by Carousel Buses, depart from Heathrow Central Bus Station.
Chalfont St Giles to Portsmouth Harbour bus services, operated by Carousel Buses, arrive at St Georges Square station.
The distance between Chalfont St Giles and Portsmouth Harbour is 100.1 km. The road distance is 133 km.
National Express operates a bus from Heathrow Central Bus Station to St Georges Square hourly. Tickets cost £12–35 and the journey takes 1h 50m.