The average bus between Portsmouth and Buckingham takes 4h 44m and the fastest bus takes 4h 20m. The bus service runs several times per day from Portsmouth to Buckingham. 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 Portsmouth and Buckingham. The earliest departure is at 3:20 AM at night, and the last departure from Portsmouth is at 4:55 PM which arrives into Buckingham at 9:50 PM. All services require a transfer at Heathrow Terminal 5 and take an average of 4h 44m. The schedules shown below are for the next available departures.


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5h • 2 changesWant to know about travelling from Portsmouth to Buckingham? 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 Buckingham. However, there are services departing from Portsmouth station and arriving at Buckingham station via Heathrow Terminal 5. The journey, including transfers, takes approximately 4h 44m.
Portsmouth to Buckingham bus services, operated by National Express, depart from The Hard Interchange station.
Portsmouth to Buckingham bus services, operated by National Express, arrive at High Street station.
Book your Portsmouth to Buckingham bus tickets online with National Express, Oxford Bus Company and Stagecoach East.
The distance between Portsmouth and Buckingham is 133.6 km. The road distance is 220 km.
You can take a bus from The Hard Interchange to High Street via Heathrow Terminal 5 and Gloucester Green Bus Station in around 4h 19m.