The average bus between Sunbury-on-Thames and Southampton takes 2h 58m and the fastest bus takes 2h 20m. There is a bus service every few hours from Sunbury-on-Thames to Southampton. 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 2 hours between Sunbury-on-Thames and Southampton. The earliest departure is at 12:10 AM at night, and the last departure from Sunbury-on-Thames is at 11:10 PM which arrives into Southampton at 1:30 AM. All services require a transfer at Heathrow Terminal 4 and take an average of 2h 58m. The schedules shown below are for the next available departures.


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Want to know about travelling from Sunbury-on-Thames to Southampton? 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 Sunbury-on-Thames to Southampton. However, there are services departing from Sunbury-on-Thames station and arriving at Southampton station via Heathrow Terminal 4. The journey, including transfers, takes approximately 2h 58m.
Sunbury-on-Thames to Southampton bus services, operated by Diamond Bus Ltd, depart from Green Way station.
Sunbury-on-Thames to Southampton bus services, operated by Diamond Bus Ltd, arrive at Coach Station.
The distance between Sunbury-on-Thames and Southampton is 88.5 km. The road distance is 123 km.
You can take a bus from Green Way to Coach Station via Heathrow Terminal 4 and Heathrow Terminal 5 in around 3h 1m.