The average bus between Slough and Southampton Airport (SOU) takes 2h 28m and the fastest bus takes 2h 2m. There is a bus service every few hours from Slough to Southampton Airport (SOU). 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 Slough and Southampton Airport (SOU). The earliest departure is at 12:00 AM at night, and the last departure from Slough is at 10:00 PM which arrives into Southampton Airport (SOU) at 12:06 AM. All services require a transfer at Heathrow Terminal 5 and take an average of 2h 28m. The schedules shown below are for the next available departures.


2h 28m • 2 changes


2h 8m • 2 changes


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2h 17m • 2 changes


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2h 15m • 2 changes
Want to know about travelling from Slough to Southampton Airport (SOU)? 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 Slough to Southampton Airport (SOU). However, there are services departing from Slough station and arriving at Southampton Airport (SOU) station via Heathrow Terminal 5. The journey, including transfers, takes approximately 2h 28m.
Slough to Southampton Airport (SOU) bus services, operated by Thames Valley Buses, depart from Wellington Street Stop A station.
Slough to Southampton Airport (SOU) bus services, operated by Thames Valley Buses, arrive at Library station.
The distance between Slough and Southampton Airport (SOU) is 81.9 km. The road distance is 113 km.
You can take a bus from Wellington Street Stop A to Airport Parkway via Heathrow Terminal 5 and Library in around 2h 26m.