The average bus between Portsmouth and Datchet takes 2h 19m and the fastest bus takes 1h 51m. The bus service runs several times per day from Portsmouth to Datchet. 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 Portsmouth and Datchet. The earliest departure is at 3:20 AM at night, and the last departure from Portsmouth is at 8:10 PM which arrives into Datchet at 10:32 PM. All services require a transfer, and take on average 2h 19m. The schedules shown below are for the next available departures.

1h 51m • 1 change

2h 1m • 1 change

2h 37m • 1 change

2h 17m • 1 change

1h 51m • 1 change

2h 1m • 1 change

2h 37m • 1 change

2h 17m • 1 change

1h 51m • 1 change

2h 12m • 1 change

2h 47m • 1 change

2h 12m • 1 change

1h 51m • 1 change

2h 12m • 1 change

2h 47m • 1 change

2h 12m • 1 change

1h 51m • 1 change

2h 12m • 1 change

2h 47m • 1 change

2h 12m • 1 change
Want to know about travelling from Portsmouth to Datchet? 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 Datchet. However, there are services departing from Portsmouth station and arriving at Datchet station via Heathrow Terminal 5. The journey, including transfers, takes approximately 2h 19m.
Portsmouth to Datchet bus services, operated by National Express, depart from The Hard Interchange station.
Portsmouth to Datchet bus services, operated by National Express, arrive at Heathrow Terminal 5 station.
The distance between Portsmouth and Datchet is 84.1 km. The road distance is 111 km.
National Express operates a bus from The Hard Interchange to Heathrow Terminal 5 hourly. Tickets cost £12–28 and the journey takes 1h 30m.