London Gatwick saw four million passengers use the airport this August, which is up by nearly 200,000 compared to last year.
Passengers flying to European destinations continued to grow with over three million passengers choosing to fly from the airport.
The top European destinations were Spain, Italy and Greece.
A new route to Moscow with easyJet proved to be popular with over 19,000 passengers flying there from London Gatwick in August.
Long haul flights to Dubai and Vietnam also grew in popularity.
More top news
Philippa has the latest weather for the east
Philippa has the latest weather for the west
Nazanin Zaghari-Ratcliffe's five-year jail sentence is confirmed despite her husband's campaign to bring her home.