What is the cheapest airline that flies from Siem Reap–Angkor Intl to London Gatwick?

China Eastern is the most popular carrier operating from Siem Reap–Angkor Intl to London Gatwick

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

Prices for flights from Siem Reap–Angkor Intl Airport to London Gatwick Airport are updated daily.

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

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Siem Reap–Angkor Intl Airport to London Gatwick Airport.

What documentation or ID do you need to fly 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 license, 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.

£262 Cheap Flights from Siem Reap to London Gatwick Airport in 2026

Find the cheapest flights from Siem Reap to London

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

12:55 - 12:35

SAI

LGW

29h 40m

2 stops

14:35 - 21:30

LGW

SAI

24h 55m

2 stops

£822Emirates

Wed, 23 Sep - Wed, 7 Oct

10:30 - 06:55

SAI

LGW

26h 25m

1 stop

10:00 - 09:40

LGW

SAI

17h 40m

1 stop

£1,276Singapore Airlines

Wed, 23 Sep - Wed, 7 Oct

16:00 - 06:55

SAI

LGW

20h 55m

1 stop

21:45 - 21:30

LGW

SAI

17h 45m

2 stops

£1,400Multiple Airlines

Wed, 23 Sep - Wed, 7 Oct

16:00 - 08:25

SAI

LGW

22h 25m

2 stops

09:25 - 18:55

LGW

SAI

27h 30m

2 stops

£3,720SWISS

Wed, 23 Sep - Wed, 7 Oct

16:00 - 06:55

SAI

LGW

20h 55m

1 stop

21:45 - 21:30

LGW

SAI

17h 45m

2 stops

£4,561Multiple Airlines

Wed, 23 Sep - Wed, 7 Oct

19:25 - 11:40

SAI

LGW

23h 15m

2 stops

13:35 - 18:45

LGW

SAI

22h 10m

2 stops

£6,027Multiple Airlines

Fri, 25 Dec - Sun, 3 Jan

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Use the filters below to find and compare flights from Siem Reap to London Gatwick Airport that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Wed 23/9

12:55-12:35

2 stops29h 40m

London Gatwick

Wed 7/10

14:35-21:30

2 stops24h 55m

£822

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Wed 23/9

10:30-06:55

1 stop26h 25m

London Gatwick

Wed 7/10

10:00-09:40

1 stop17h 40m

£1,276

Fastest return journey

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Wed 23/9

16:00-06:55

1 stop20h 55m

London Gatwick

Wed 7/10

21:45-21:30

2 stops17h 45m

£1,400

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Wed 23/9

16:00-08:25

2 stops22h 25m

London Gatwick

Wed 7/10

09:25-18:55

2 stops27h 30m

£3,720

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Wed 23/9

16:00-06:55

1 stop20h 55m

London Gatwick

Wed 7/10

21:45-21:30

2 stops17h 45m

£4,561

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Fri 25/12

19:25-11:40

2 stops23h 15m

London Gatwick

Sun 3/1

13:35-18:45

2 stops22h 10m

£6,027

Cheapest one-way

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Mon 30/11

19:05-06:30

2 stops42h 25m

£262

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Mon 30/11

19:05-06:55

2 stops42h 50m

£283

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Mon 30/11

19:05-06:20

2 stops42h 15m

£288

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Fri 7/8

17:55-19:40

2 stops55h 45m

£288

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 resultsSorted by cheapest first

How to get the cheapest flight ticket from Siem Reap to London Gatwick Airport

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Can stopping save me money on Siem Reap to London Gatwick Airport flights?

You could potentially save up to 37% on your flight if you consider stops on a Siem Reap to London Gatwick Airport flight.

When to book flights from Siem Reap to London Gatwick Airport

Are you open to changing your travel dates? Check out the ideal times to fly from Siem Reap to London Gatwick Airport according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Siem Reap to London Gatwick Airport (SAI to LGW) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Siem Reap to London Gatwick Airport

Fastest flight time	29h 40m
Direct flights	None

The fastest flight from Siem Reap to London Gatwick Airport takes 29h 40m

There are no direct flights from Siem Reap to London Gatwick Airport. There are no popular flight routes from Siem Reap to London Gatwick Airport.

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Frequently asked questions about flying from Siem Reap to London Gatwick Airport

How far is Siem Reap–Angkor Intl to London Gatwick by plane?
The straight-line distance from Siem Reap–Angkor Intl to London Gatwick is 6087.6 mi. 29h 40m is a normal flight duration for this route.
When did momondo last update prices for flights from Siem Reap–Angkor Intl Airport to London Gatwick Airport?
Prices for flights from Siem Reap–Angkor Intl Airport to London Gatwick Airport are updated daily.
How old do you have to be to fly from Siem Reap–Angkor Intl Airport to London Gatwick Airport?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Siem Reap–Angkor Intl Airport to London Gatwick Airport.
What documentation or ID do you need to fly 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 license, 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.

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Ilford

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Chichester

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Hayes

Colchester

Harlow

Chelmsford

Why use momondo?

Why should I use momondo to find a flight deal from Siem Reap to London?

Finding the right flight to London from Siem Reap is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to London quick and easy, saving you time and money.

Can I find flights from Siem Reap to London with flexible booking policies on momondo?

momondo does allow users to show only those flights to London from Siem Reap which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Siem Reap to London?

Once you have performed a search for Siem Reap to London flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

I’m not ready to book a flight from Siem Reap to London right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Siem Reap to London flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.