Passenger numbers at Gatwick rose by 89,000 or 4.2% in November, helped by the half-term school holiday.
Long-haul carriers contributed 24,000 of the November traffic increase while domestic routes saw strong growth with 23,000 more passengers flying than the same month last year.
However, Korean Air announced the suspension of flights to Seoul for the winter season. Flights stop from mid-January and recommence in April 2013.
The airport’s chief financial officer Nick Dunn said: “We continued to see growth in November at a rate of 4.2% with an additional 89,000 passengers flying from Gatwick compared with last November.
“This was due in part to the end of the autumn half-term falling into early November, whereas last year the whole holiday was in October.
“As the winter season is often a challenging time of year for airports, it is positive that our traffic figures are showing growth and we continue to focus on delivering the best experience to these additional passengers.
“We look forward to the spring, when passengers will have even more choice of where to fly from Gatwick, including new destinations with Norwegian Air, British Airways, Vueling and – significantly – easyJet’s new route to Moscow.”