The average bus between Heathrow Terminal 5 and Southampton Airport (SOU) takes 1h 49m and the fastest bus takes 1h 31m. There is a bus service every few hours from Heathrow Terminal 5 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 hourly between Heathrow Terminal 5 and Southampton Airport (SOU). The earliest departure is at 1:25 AM at night, and the last departure from Heathrow Terminal 5 is at 10:35 PM which arrives into Southampton Airport (SOU) at 12:06 AM. All services require a transfer, and take on average 1h 49m. The schedules shown below are for the next available departures.

3h 20m • 1 change

1h 55m • 1 change

1h 35m • 1 change

1h 37m • 1 change

3h 20m • 1 change

1h 43m • 1 change

1h 35m • 1 change

1h 35m • 1 change

3h 20m • 1 change

1h 48m • 1 change

1h 38m • 1 change

1h 38m • 1 change

3h 20m • 1 change

1h 48m • 1 change

1h 38m • 1 change

1h 38m • 1 change

3h 20m • 1 change

1h 48m • 1 change

1h 38m • 1 change

1h 38m • 1 change
Want to know about travelling from Heathrow Terminal 5 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 Heathrow Terminal 5 to Southampton Airport (SOU). However, there are services departing from Heathrow Terminal 5 station and arriving at Southampton Airport (SOU) station via Library. The journey, including transfers, takes approximately 1h 49m.
Heathrow Terminal 5 to Southampton Airport (SOU) bus services, operated by National Express, depart from Heathrow Terminal 5 station.
Heathrow Terminal 5 to Southampton Airport (SOU) bus services, operated by National Express, arrive at Library station.
The distance between Heathrow Terminal 5 and Southampton Airport (SOU) is 83.8 km. The road distance is 101 km.
National Express operates a bus from Heathrow Terminal 5 to Library hourly. Tickets cost £11–28 and the journey takes 1h 15m. FlixBus also services this route 5 times a day.