Cheap flights from London Gatwick Airport to Siem Reap from £332

How far is London Gatwick to Siem Reap–Angkor Intl by plane?

The distance between London Gatwick and Siem Reap–Angkor Intl is about 6087.6 mi. In terms of flight time, this usually takes a little over 17h 25m.

When did momondo last update prices for flights from London Gatwick Airport to Siem Reap–Angkor Intl Airport?

Prices for flights from London Gatwick Airport to Siem Reap–Angkor Intl Airport were last updated today.

How many operators does momondo search for flights from London Gatwick Airport to Siem Reap–Angkor Intl Airport?

There is 1 operator available for flights from London Gatwick Airport to Siem Reap–Angkor Intl Airport as of February 2026.

How old do you have to be to fly from London Gatwick Airport to Siem Reap–Angkor Intl Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London Gatwick Airport to Siem Reap–Angkor Intl Airport.

What documentation or ID do you need to fly to Siem Reap–Angkor Intl Airport?

The required travel and health documents for your Siem Reap–Angkor Intl Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Siem Reap–Angkor Intl Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

What is the most popular airline from London Gatwick Airport to Siem Reap?

momondo data reveals that the most frequently booked airline on the route from London Gatwick Airport to Siem Reap is Singapore Airlines, representing 100% of all bookings.