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Cheap Flights from London Gatwick to Siem Reap–Angkor

Compare London Gatwick to Siem Reap–Angkor flight deals

Find the cheapest month or even day of the year to fly to Siem Reap–Angkor

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Flight deals from London Gatwick to Siem Reap–Angkor

Looking for a cheap last-minute deal or the best return flight from London Gatwick Airport to Siem Reap–Angkor Airport? If you want to travel next month, return fares start from R 15,515. Find the lowest prices on one-way and return tickets right here.
Siem Reap.R 7,993 per passenger.Departing Tue, 8 Sep.One-way flight with Air China.Outbound indirect flight with Air China, departs from London Gatwick on Tue, 8 Sep, arriving in Siem Reap–Angkor .Price includes taxes and charges.From R 7,993, select.
Siem Reap.R 8,156 per passenger.Departing Tue, 23 Mar.One-way flight with Norwegian.Outbound indirect flight with Norwegian, departs from London Gatwick on Tue, 23 Mar, arriving in Siem Reap–Angkor .Price includes taxes and charges.From R 8,156, select.
Siem Reap.R 8,331 per passenger.Departing Mon, 31 Aug.One-way flight with China Eastern.Outbound indirect flight with China Eastern, departs from London Gatwick on Mon, 31 Aug, arriving in Siem Reap–Angkor .Price includes taxes and charges.From R 8,331, select.
Siem Reap.R 8,394 per passenger.Departing Sat, 23 May.One-way flight with Turkmenistan Airlines.Outbound indirect flight with Turkmenistan Airlines, departs from London Gatwick on Sat, 23 May, arriving in Siem Reap–Angkor .Price includes taxes and charges.From R 8,394, select.
Siem Reap.R 8,630 per passenger.Departing Tue, 6 Apr.One-way flight with Norse Atlantic Airways (UK).Outbound indirect flight with Norse Atlantic Airways (UK), departs from London Gatwick on Tue, 6 Apr, arriving in Siem Reap–Angkor .Price includes taxes and charges.From R 8,630, select.
Siem Reap.R 8,639 per passenger.Departing Thu, 18 Jun.One-way flight with China Eastern.Outbound indirect flight with China Eastern, departs from London Gatwick on Thu, 18 Jun, arriving in Siem Reap–Angkor .Price includes taxes and charges.From R 8,639, select.
Siem Reap.R 8,980 per passenger.Departing Wed, 14 Oct.One-way flight with Wizz Air UK.Outbound indirect flight with Wizz Air UK, departs from London Gatwick on Wed, 14 Oct, arriving in Siem Reap–Angkor .Price includes taxes and charges.From R 8,980, select.
Siem Reap.R 9,040 per passenger.Departing Mon, 2 Nov.One-way flight with APG Distribution System.Outbound indirect flight with APG Distribution System, departs from London Gatwick on Mon, 2 Nov, arriving in Siem Reap–Angkor .Price includes taxes and charges.From R 9,040, select.
Siem Reap.R 9,043 per passenger.Departing Sun, 24 Jan.One-way flight with SKY express.Outbound indirect flight with SKY express, departs from London Gatwick on Sun, 24 Jan, arriving in Siem Reap–Angkor .Price includes taxes and charges.From R 9,043, select.
Siem Reap.R 9,281 per passenger.Departing Sun, 28 Feb.One-way flight with Norse Atlantic Airways (UK).Outbound indirect flight with Norse Atlantic Airways (UK), departs from London Gatwick on Sun, 28 Feb, arriving in Siem Reap–Angkor .Price includes taxes and charges.From R 9,281, select.
Siem Reap.R 9,730 per passenger.Departing Thu, 2 Jul.One-way flight with Pegasus Airlines.Outbound indirect flight with Pegasus Airlines, departs from London Gatwick on Thu, 2 Jul, arriving in Siem Reap–Angkor .Price includes taxes and charges.From R 9,730, select.
Siem Reap.R 9,971 per passenger.Departing Thu, 10 Dec.One-way flight with Wizz Air.Outbound indirect flight with Wizz Air, departs from London Gatwick on Thu, 10 Dec, arriving in Siem Reap–Angkor .Price includes taxes and charges.From R 9,971, select.

Find the cheapest month to fly from London Gatwick to Siem Reap–Angkor

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London Gatwick to Siem Reap–Angkor flights are currently cheapest in September.
May
from R 8,394
Jun
from R 8,639
Jul
from R 9,730
Aug
from R 8,331
Sep
from R 7,993
Oct
from R 8,980
Nov
from R 9,040
Dec
from R 9,971
Jan
from R 9,043
Feb
from R 9,281
Mar
from R 8,156
Apr
from R 8,630

London Gatwick to Siem Reap–Angkor : Alternative routes

Compare routes from London Gatwick to Siem Reap below. You may find an airport to fly into that's cheaper, faster, or easier than Siem Reap–Angkor .

Siem Reap–Angkor

41km from central Siem Reap
ClosestCheapest
from R 7,993
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London to Siem Reap: Flight information

The things to know before you go.
Cheapest flight foundR 7,993
Cheapest month to flySeptember

Finding cheap flights from London Gatwick to Siem Reap–Angkor : Frequently asked questions

The best price we found for a return flight from London Gatwick to Siem Reap–Angkor is R 14,970. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
Currently, there are no airlines that fly direct from London Gatwick to Siem Reap–Angkor . But we found flights with one or more stops from R 14,970.
As of May 2026, there are no flights flying from London Gatwick to Siem Reap–Angkor .
The cheapest month to fly from London Gatwick to Siem Reap–Angkor is usually September.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from London Gatwick Airport to Siem Reap–Angkor Airport on Monday, 21 September 2026.
No airlines currently offer direct flights between London Gatwick Airport and Siem Reap–Angkor Airport. Most routes have one or more stops.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Siem Reap–Angkor but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.
We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Siem Reap is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, Condor offers the cheapest flight tickets to Siem Reap–Angkor .

Travelling from London Gatwick Airport (LGW) to Siem Reap-Ankor International Airport (SAI): what you need to know

  • The timezone in Siem Reap is UTC+7, which is seven hours ahead of London.

  • Arrive at the airport on time so you don't miss your LGW to SAI flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid sprinting to your gate.

  • Be prepared for longer lines during popular months such as August. Arriving up to four hours ahead of an international flight and two hours for a domestic departure will help ensure a smooth travel experience.

  • If you'd love to check out a different city along the way, consider a flight with a stopover. To see all your options for tickets from London Gatwick Airport to Siem Reap-Ankor International Airport, uncheck 'Direct flights only.' Changi International Airport is a well-known stop between LGW and SAI.

How to find the cheapest flights from London Gatwick Airport (LGW) to Siem Reap-Ankor International Airport (SAI)

  • Right now, R 7,993 is the lowest price we've seen for a one-way London Gatwick Airport to Siem Reap-Ankor International Airport flight. The best price for a return ticket is R 14,970. Keep in mind that fares may change due to demand at the time of booking.

  • To find cheap tickets from LGW to SAI, book ahead. Airlines tend to offer their most competitively priced fares when flights are first released.

  • Getting cheap flights from London Gatwick Airport to Siem Reap-Ankor International Airport is easier if you're flexible with your dates. Use the 'Whole month' function to see the lowest fares throughout the month and bag a great deal.

  • Save time looking for cheap flights from LGW to SAI by setting up a Price Alert. We'll send you an email or notification through the app when a new low fare is offered.

  • Pick your ideal departure and arrival times, airlines and number of stops with the filters. Or sort your results by 'Cheapest' to see the best deals on flights from London Gatwick Airport to Siem Reap-Ankor International Airport.

Handy information about London Gatwick Airport (LGW)

  • Of all flights departing from London Gatwick Airport, 69.26% arrive on time at their destination.

  • Central London to London Gatwick Airport is around 80 kilometres. Depending on traffic, it'll take you about 1 hour 20 minutes to get there if you're catching a cab, ride-sharing or driving.

  • Taking public transport? Expect a trip time of around 1 hour 25 minutes.

  • Get your break off to a stress-free start by staying near LGW. Whether you're catching an early flight from London Gatwick Airport to Siem Reap-Ankor International Airport or want to avoid feeling rushed, these hotels have you covered:

Arriving at Siem Reap-Ankor International Airport (SAI)

  • Once your London Gatwick Airport to Siem Reap-Ankor International Airport flight has landed, unwind at a nearby hotel. Chansor Community Homestay 18 is a good option within easy reach of SAI.

Getting from Siem Reap-Ankor International Airport (SAI) to central Siem Reap

  • Siem Reap-Ankor International Airport is roughly 48 kilometres from central Siem Reap. Driving there takes about 1 hour.

When to fly to Siem Reap-Ankor International Airport (SAI)

  • It's time to work out your travel dates for your flight from London Gatwick Airport to Siem Reap-Ankor International Airport. April is the most popular month to head to Siem Reap. If you want a quieter vibe, go in April.

  • Lock in your flight from London Gatwick Airport to Siem Reap-Ankor International Airport for March if you want to visit Siem Reap during its warmest month. Expect temperatures of between 22ºC (72ºF) and 38ºC (100ºF).

  • January has average temperatures of between 18ºC (64ºF) and 33ºC (91ºF). Search for cheap tickets from LGW to SAI sometime then if you want to travel in cooler conditions.

Explore more of Cambodia

  • Phnom Penh is just one of the many cities in Cambodia waiting to be explored once you've taken in the sights of Siem Reap. Around 225 kilometres away to the south-east, popular attractions include Royal Palace, Tuol Sleng Genocide Museum and Wat Phnom.

  • Around 306 kilometres south of Siem Reap, Sihanoukville is another favourite stop in Cambodia. Get a taste of what this destination has to offer at Ochheuteal Beach, Wat Leu Temple and Wat Krom Temple.

Plan the rest of your trip from London to Siem Reap

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.