The average bus between Portsmouth and Amersham takes 3h 57m and the fastest bus takes 3h 36m. The bus service runs several times per day from Portsmouth to Amersham. 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 4 times a day between Portsmouth and Amersham. The earliest departure is at 3:20 AM at night, and the last departure from Portsmouth is at 1:50 PM which arrives into Amersham at 5:31 PM. All services require a transfer at Heathrow Central Bus Station and take an average of 3h 57m. The schedules shown below are for the next available departures.


3h 45m • 2 changes


3h 52m • 2 changes


4h 7m • 2 changes


4h 36m • 2 changes


3h 45m • 2 changes


3h 52m • 2 changes


4h 7m • 2 changes


3h 37m • 2 changes


4h 6m • 2 changes


4h 21m • 2 changes


3h 56m • 2 changes


3h 36m • 2 changes


3h 45m • 2 changes


3h 52m • 2 changes


4h 7m • 2 changes


3h 37m • 2 changes
Want to know about travelling from Portsmouth to Amersham? 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 Portsmouth to Amersham. However, there are services departing from Portsmouth station and arriving at Amersham station via Heathrow Central Bus Station station. The journey, including transfers, takes approximately 3h 57m.
Portsmouth to Amersham bus services, operated by National Express, depart from The Hard Interchange station.
Portsmouth to Amersham bus services, operated by National Express, arrive at Maxwell Road station.
Book your Portsmouth to Amersham bus tickets online with National Express and Carousel Buses.
The distance between Portsmouth and Amersham is 102 km. The road distance is 143 km.
You can take a bus from The Hard Interchange to Gore Hill via Heathrow Central Bus Station and Maxwell Road in around 3h 46m.