The average train between Heathrow and Gatwick South Terminal takes 1h 26m and the fastest train takes 1h 22m. The train runs at least 3 times per hour from Heathrow to Gatwick South Terminal. 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 every 20 minutes between Heathrow and Gatwick South Terminal. The earliest departure is at 8:24 AM in the morning, and the last departure from Heathrow is at 11:06 PM which arrives into Gatwick South Terminal at 12:48 AM. All services require a transfer at Farringdon Without and take an average of 1h 26m. The schedules shown below are for the next available departures.

1h 27m • 1 change

1h 22m • 1 change

1h 27m • 1 change

1h 22m • 1 change
Want to know about travelling from Heathrow to Gatwick South Terminal? 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 to Gatwick South Terminal. However, there are services departing from Heathrow station and arriving at Gatwick South Terminal station via Farringdon Without. The journey, including transfers, takes approximately 1h 26m.
Heathrow to Gatwick South Terminal train services, operated by Elizabeth Line (TfL), depart from Heathrow Terminals 2 & 3 station.
Heathrow to Gatwick South Terminal train services, operated by Elizabeth Line (TfL), arrive at Gatwick Airport station.
Book your Heathrow to Gatwick South Terminal train tickets online with Elizabeth Line (TfL) and Thameslink.
The distance between Heathrow and Gatwick South Terminal is 39.9 km. The road distance is 74 km.
You can take a train from Heathrow Terminals 2 & 3 to Gatwick Airport via Farringdon Without and Farringdon in around 1h 20m.