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.

£286 Cheap Flights from Siem Reap to London Gatwick Airport in 2026/27

Find the cheapest flights from Siem Reap to London

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

16:50 - 13:05SAI Siem Reap–Angkor Intl-LGW London Gatwick

27h 15m1 stop Phuket City

09:50 - 20:00LGW London Gatwick-SAI Siem Reap–Angkor Intl

27h 10m2 stops Guangzhou Baiyun Bangkok Suvarnabhumi

£651Multiple Airlines

Wed, 9 Dec - Fri, 22 Jan

13:20 - 11:40SAI Siem Reap–Angkor Intl-LGW London Gatwick

29h 20m2 stops Bangkok Suvarnabhumi Dubai Intl

20:25 - 21:10LGW London Gatwick-SAI Siem Reap–Angkor Intl

17h 45m2 stops Dubai Intl Bangkok Suvarnabhumi

£664Emirates

Wed, 9 Dec - Fri, 22 Jan

12:45 - 06:30SAI Siem Reap–Angkor Intl-LGW London Gatwick

24h 45m2 stops Phnom Penh Techo Intl Guangzhou Baiyun

09:50 - 20:00LGW London Gatwick-SAI Siem Reap–Angkor Intl

27h 10m2 stops Guangzhou Baiyun Bangkok Suvarnabhumi

£665Multiple Airlines

Thu, 10 Dec - Fri, 22 Jan

09:50 - 21:05SAI Siem Reap–Angkor Intl-LGW London Gatwick

18h 15m1 stop Bangkok Suvarnabhumi

06:20 - 11:00LGW London Gatwick-SAI Siem Reap–Angkor Intl

21h 40m1 stop Bangkok Suvarnabhumi

£706Multiple Airlines

Thu, 10 Dec - Fri, 22 Jan

19:25 - 21:05SAI Siem Reap–Angkor Intl-LGW London Gatwick

32h 40m1 stop Bangkok Suvarnabhumi

06:20 - 11:00LGW London Gatwick-SAI Siem Reap–Angkor Intl

21h 40m1 stop Bangkok Suvarnabhumi

£751Multiple Airlines

Wed, 9 Dec - Fri, 22 Jan

23:50 - 18:25SAI Siem Reap–Angkor Intl-LGW London Gatwick

25h 35m2 stops Bangkok Suvarnabhumi Dubai Intl

23:55 - 21:10LGW London Gatwick-SAI Siem Reap–Angkor Intl

38h 15m2 stops Dubai Intl Bangkok Suvarnabhumi

£755Emirates

Sat, 31 Oct - Sun, 8 Nov

23:50 - 06:40SAI Siem Reap–Angkor Intl-LGW London Gatwick

37h 50m2 stops Bangkok Suvarnabhumi Dubai Intl

06:25 - 16:05LGW London Gatwick-SAI Siem Reap–Angkor Intl

26h 40m3 stops Athens Eleftherios V. Sharjah Phuket City

£768Multiple Airlines

Sat, 31 Oct - Sun, 8 Nov

19:25 - 05:25SAI Siem Reap–Angkor Intl-LGW London Gatwick

17h 00m1 stop Bangkok Suvarnabhumi

21:20 - 18:30LGW London Gatwick-SAI Siem Reap–Angkor Intl

14h 10m1 stop Bangkok Suvarnabhumi

£1,086Multiple Airlines

Sat, 31 Oct - Sun, 8 Nov

23:50 - 06:40SAI Siem Reap–Angkor Intl-LGW London Gatwick

37h 50m2 stops Bangkok Suvarnabhumi Dubai Intl

13:05 - 16:00LGW London Gatwick-SAI Siem Reap–Angkor Intl

19h 55m1 stop Singapore Changi

£1,119Multiple Airlines

Sat, 31 Oct - Sun, 8 Nov

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Emirates flights from Siem Reap to London Gatwick Airport

Our best Emirates deals on Siem Reap to London Gatwick Airport flight tickets

Emirates

9 Dec

SAI13:20Siem Reap–Angkor Intl

29h 20m

2 stops

LGW11:40London Gatwick

22 Jan

LGW20:25London Gatwick

17h 45m

2 stops

SAI21:10Siem Reap–Angkor Intl

£664

Emirates

31 Oct

SAI23:50Siem Reap–Angkor Intl

25h 35m

2 stops

LGW18:25London Gatwick

8 Nov

LGW23:55London Gatwick

38h 15m

2 stops

SAI21:10Siem Reap–Angkor Intl

£755

momondo Fare Finder

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 Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Wed 9/12

16:50-13:05

1 stop27h 15m

London Gatwick

Fri 22/1

09:50-20:00

2 stops27h 10m

£651

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Wed 9/12

13:20-11:40

2 stops29h 20m

London Gatwick

Fri 22/1

20:25-21:10

2 stops17h 45m

£664

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Thu 10/12

12:45-06:30

2 stops24h 45m

London Gatwick

Fri 22/1

09:50-20:00

2 stops27h 10m

£665

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Thu 10/12

09:50-21:05

1 stop18h 15m

London Gatwick

Fri 22/1

06:20-11:00

1 stop21h 40m

£706

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Wed 9/12

19:25-21:05

1 stop32h 40m

London Gatwick

Fri 22/1

06:20-11:00

1 stop21h 40m

£751

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Sat 31/10

23:50-18:25

2 stops25h 35m

London Gatwick

Sun 8/11

23:55-21:10

2 stops38h 15m

£755

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Sat 31/10

23:50-06:40

2 stops37h 50m

London Gatwick

Sun 8/11

06:25-16:05

3 stops26h 40m

£768

Fastest return journey

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Sat 31/10

19:25-05:25

1 stop17h 00m

London Gatwick

Sun 8/11

21:20-18:30

1 stop14h 10m

£1,086

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Sat 31/10

23:50-06:40

2 stops37h 50m

London Gatwick

Sun 8/11

13:05-16:00

1 stop19h 55m

£1,119

Cheapest one-way

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Sun 29/11

19:05-10:15

3 stops46h 10m

£286

Flights are sorted by cheapest return flights first.

Showing 1-10 of 19 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

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

You could potentially save up to 61% 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

Best price found	£286
Fastest flight time	25h 35m
Direct flights	None

The best one-way flight to London Gatwick Airport from Siem Reap in the past 72 hours is £286. The best return flight deal from Siem Reap to London Gatwick Airport found on momondo in the last 72 hours is £651.

The fastest flight from Siem Reap to London Gatwick Airport takes 25h 35m

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.

Search flight deals

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. 25h 35m 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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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.