€15 Cheap flights to London Gatwick Airport

Most travellers find the cheapest return flights to London Gatwick Airport when choosing a flight departing in January.

Most flyers found that booking flight tickets 50 days in advance of their planned departure date is, on average, the best time to get cheap flights to London Gatwick Airport.

In general, booking your departure to London Gatwick Airport for a Thursday represents the best deal on airfare. Try to avoid a Thursday departure to stay away from the highest prices.

Typically, cheap prices to London Gatwick Airport are most often found for Evening flights. Cheap prices are less likely for Evening flights.

Finding an alternative and possibly cheaper destination airport near London Gatwick Airport is possible. If you are planning a flight to London Gatwick Airport, consider booking flights to London City Airport (12 km from London city centre), London Heathrow Airport (23 km from London city centre), London Luton Airport (45 km from London city centre), London Stansted Airport (50 km from London city centre) or London Southend Airport (57 km from London city centre).

London Stansted Airport has an average price of €129 per person and is typically the cheapest airport to fly into when visiting London. This average price does vary based on departure city. Try momondo’s Airport-to-Airport Pricing Tool to find the cheapest flight.

€121 is the cheapest deal found on momondo in the last two weeks for a flight to London. This flight is from Dublin and is 70% cheaper than most flights to London. To find the cheapest price to London from your area, use momondo’s Airport-to-Airport Pricing Tool.

Prices for flights to London Gatwick Airport were last updated today.

The number of operators available for flights to London Gatwick Airport is 1 as of October 2025.

The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel to London Gatwick Airport.

The travel and health documents required for your trip to London Gatwick Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s licence, and a passport valid for six-months after you plan to arrive at London Gatwick Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.