The average train between Heathrow Terminal 4 and Southampton Airport (SOU) takes 1h 50m and the fastest train takes 1h 49m. There is a train service every few hours from Heathrow Terminal 4 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.
Trains run hourly between Heathrow Terminal 4 and Southampton Airport (SOU). The earliest departure is at 6:30 AM in the morning, and the last departure from Heathrow Terminal 4 is at 9:45 PM which arrives into Southampton Airport (SOU) at 11:35 PM. All services require a transfer at Hayes And Harlington Station and take an average of 1h 50m. The schedules shown below are for the next available departures.


2h 9m • 2 changes


1h 50m • 2 changes


1h 49m • 2 changes


1h 49m • 2 changes


2h • 2 changes


2h • 2 changes


1h 49m • 2 changes


1h 49m • 2 changes


1h 49m • 2 changes


1h 50m • 2 changes


1h 49m • 2 changes


1h 50m • 2 changes


1h 49m • 2 changes


1h 50m • 2 changes


1h 49m • 2 changes


1h 50m • 2 changes
Want to know about travelling from Heathrow Terminal 4 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 train from Heathrow Terminal 4 to Southampton Airport (SOU). However, there are services departing from Heathrow Terminal 4 station and arriving at Southampton Airport (SOU) station via Reading. The journey, including transfers, takes approximately 1h 50m.
Heathrow Terminal 4 to Southampton Airport (SOU) train services, operated by Elizabeth Line (TfL), depart from Hayes And Harlington Station.
Heathrow Terminal 4 to Southampton Airport (SOU) train services, operated by Elizabeth Line (TfL), arrive at Southampton Airport Parkway station.
Book your Heathrow Terminal 4 to Southampton Airport (SOU) train tickets online with Elizabeth Line (TfL) and Cross Country.
The distance between Heathrow Terminal 4 and Southampton Airport (SOU) is 85.2 km. The road distance is 117 km.
You can take a train from Heathrow Terminal 4 to Southampton Airport Parkway via Hayes And Harlington Station and Reading in around 2h 30m.