The average bus between Southampton and Datchet takes 2h 31m and the fastest bus takes 1h 51m. There is a bus service every few hours from Southampton 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 hourly between Southampton and Datchet. The earliest departure is at 2:05 AM at night, and the last departure from Southampton is at 8:30 PM which arrives into Datchet at 10:32 PM. All services require a transfer, and take on average 2h 31m. The schedules shown below are for the next available departures.

3h 6m • 1 change

2h 36m • 1 change

2h 42m • 1 change

2h 39m • 1 change

3h 6m • 1 change

2h 36m • 1 change

2h 12m • 1 change

3h 7m • 1 change

3h 6m • 1 change

2h 36m • 1 change

2h 12m • 1 change

3h 7m • 1 change

3h 6m • 1 change

2h 36m • 1 change

2h 12m • 1 change

3h 7m • 1 change
Want to know about travelling from Southampton 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 Southampton to Datchet. However, there are services departing from Southampton station and arriving at Datchet station via Heathrow Terminal 5. The journey, including transfers, takes approximately 2h 31m.
Southampton to Datchet bus services, operated by National Express, depart from Coach Station.
Southampton to Datchet bus services, operated by National Express, arrive at Heathrow Terminal 5 station.
The distance between Southampton and Datchet is 86.4 km. The road distance is 110 km.
National Express operates a bus from Coach Station to Heathrow Terminal 5 hourly. Tickets cost £11–29 and the journey takes 1h 30m.