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.

£247 Cheap Flights from Siem Reap to London Gatwick Airport in 2026/27

Find the cheapest flights from Siem Reap to London

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

21:05 - 06:30SAI Siem Reap–Angkor Intl-LGW London Gatwick

40h 25m2 stops Kunming Changshui Shanghai Pu Dong

10:30 - 20:05LGW London Gatwick-SAI Siem Reap–Angkor Intl

26h 35m3 stops Shanghai Pu Dong Fuzhou Kunming Changshui

£647China Eastern

Sun, 20 Dec - Fri, 1 Jan

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

29h 20m2 stops Bangkok Suvarnabhumi Dubai Intl

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

38h 15m2 stops Dubai Intl Bangkok Suvarnabhumi

£702Emirates

Wed, 4 Nov - Tue, 17 Nov

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

29h 20m2 stops Bangkok Suvarnabhumi Dubai Intl

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

38h 15m2 stops Dubai Intl Bangkok Suvarnabhumi

£725Emirates

Wed, 4 Nov - Tue, 17 Nov

13:20 - 09:35SAI Siem Reap–Angkor Intl-LGW London Gatwick

27h 15m3 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl Frankfurt am Main

10:25 - 18:30LGW London Gatwick-SAI Siem Reap–Angkor Intl

25h 05m2 stops Frankfurt am Main Bangkok Suvarnabhumi

£740Multiple Airlines

Wed, 4 Nov - Tue, 17 Nov

13:20 - 09:35SAI Siem Reap–Angkor Intl-LGW London Gatwick

27h 15m3 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl Frankfurt am Main

10:25 - 18:30LGW London Gatwick-SAI Siem Reap–Angkor Intl

25h 05m2 stops Frankfurt am Main Bangkok Suvarnabhumi

£743Multiple Airlines

Wed, 4 Nov - Tue, 17 Nov

10:45 - 09:05SAI Siem Reap–Angkor Intl-LGW London Gatwick

29h 20m1 stop Singapore Changi

09:20 - 16:00LGW London Gatwick-SAI Siem Reap–Angkor Intl

23h 40m1 stop Singapore Changi

£828Singapore Airlines

Wed, 4 Nov - Tue, 17 Nov

13:20 - 09:35SAI Siem Reap–Angkor Intl-LGW London Gatwick

27h 15m3 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl Frankfurt am Main

10:25 - 18:30LGW London Gatwick-SAI Siem Reap–Angkor Intl

25h 05m2 stops Frankfurt am Main Bangkok Suvarnabhumi

£833Multiple Airlines

Wed, 4 Nov - Tue, 17 Nov

13:20 - 09:35SAI Siem Reap–Angkor Intl-LGW London Gatwick

27h 15m3 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl Frankfurt am Main

10:25 - 18:30LGW London Gatwick-SAI Siem Reap–Angkor Intl

25h 05m2 stops Frankfurt am Main Bangkok Suvarnabhumi

£833Multiple Airlines

Wed, 4 Nov - Tue, 17 Nov

13:20 - 09:35SAI Siem Reap–Angkor Intl-LGW London Gatwick

27h 15m3 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl Frankfurt am Main

10:25 - 18:30LGW London Gatwick-SAI Siem Reap–Angkor Intl

25h 05m2 stops Frankfurt am Main Bangkok Suvarnabhumi

£885Multiple Airlines

Wed, 4 Nov - Tue, 17 Nov

10:45 - 09:05SAI Siem Reap–Angkor Intl-LGW London Gatwick

29h 20m1 stop Singapore Changi

09:20 - 09:55LGW London Gatwick-SAI Siem Reap–Angkor Intl

17h 35m1 stop Singapore Changi

£1,068Singapore Airlines

Sun, 20 Dec - Fri, 1 Jan

Cheap last-minute flights

Enter your travel dates to find the best prices.

23:50 - 21:30SAI Siem Reap–Angkor Intl-LGW London Gatwick

27h 40m2 stops Bangkok Suvarnabhumi Dubai Intl

09:05 - 21:30LGW London Gatwick-SAI Siem Reap–Angkor Intl

30h 25m2 stops Dubai Intl Bangkok Suvarnabhumi

£699Emirates

Sat, 3 Oct - Wed, 7 Oct

17:20 - 16:00SAI Siem Reap–Angkor Intl-LGW London Gatwick

28h 40m2 stops Hanoi Noibai Paris Charles de Gaulle

19:35 - 06:20LGW London Gatwick-SAI Siem Reap–Angkor Intl

28h 45m3 stops Sharjah New Delhi Indira Gandhi Intl Kolkata Netaji S. Chandra

£808Multiple Airlines

Mon, 5 Oct - Tue, 6 Oct

19:10 - 17:40SAI Siem Reap–Angkor Intl-LGW London Gatwick

28h 30m3 stops Ho Chi Minh City Paris Charles de Gaulle Barcelona-El Prat

19:35 - 21:30LGW London Gatwick-SAI Siem Reap–Angkor Intl

19h 55m2 stops Sharjah Bangkok Suvarnabhumi

£866Multiple Airlines

Sat, 3 Oct - Wed, 7 Oct

15:00 - 09:55SAI Siem Reap–Angkor Intl-LGW London Gatwick

24h 55m3 stops Ho Chi Minh City Bangkok Suvarnabhumi Istanbul

19:35 - 06:20LGW London Gatwick-SAI Siem Reap–Angkor Intl

28h 45m3 stops Sharjah New Delhi Indira Gandhi Intl Kolkata Netaji S. Chandra

£869Multiple Airlines

Mon, 5 Oct - Tue, 6 Oct

09:40 - 09:00SAI Siem Reap–Angkor Intl-LGW London Gatwick

29h 20m2 stops Bangkok Suvarnabhumi Frankfurt am Main

15:35 - 18:55LGW London Gatwick-SAI Siem Reap–Angkor Intl

21h 20m2 stops Frankfurt am Main Bangkok Suvarnabhumi

£922Multiple Airlines

Mon, 5 Oct - Tue, 6 Oct

19:35 - 09:00SAI Siem Reap–Angkor Intl-LGW London Gatwick

19h 25m2 stops Bangkok Suvarnabhumi Frankfurt am Main

13:15 - 15:10LGW London Gatwick-SAI Siem Reap–Angkor Intl

19h 55m1 stop Singapore Changi

£1,645Multiple Airlines

Mon, 5 Oct - Tue, 6 Oct

10:30 - 09:30SAI Siem Reap–Angkor Intl-LGW London Gatwick

29h 00m1 stop Singapore Changi

13:15 - 15:10LGW London Gatwick-SAI Siem Reap–Angkor Intl

19h 55m1 stop Singapore Changi

£1,825Singapore Airlines

Mon, 5 Oct - Tue, 6 Oct

10:30 - 06:55SAI Siem Reap–Angkor Intl-LGW London Gatwick

26h 25m1 stop Singapore Changi

10:00 - 15:10LGW London Gatwick-SAI Siem Reap–Angkor Intl

47h 10m1 stop Singapore Changi

£2,118Singapore Airlines

Sat, 3 Oct - Wed, 7 Oct

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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

3 Oct

SAI23:50Siem Reap–Angkor Intl

27h 40m

2 stops

LGW21:30London Gatwick

7 Oct

LGW09:05London Gatwick

30h 25m

2 stops

SAI21:30Siem Reap–Angkor Intl

£699

Emirates

4 Nov

SAI13:20Siem Reap–Angkor Intl

29h 20m

2 stops

LGW11:40London Gatwick

17 Nov

LGW23:55London Gatwick

38h 15m

2 stops

SAI21:10Siem Reap–Angkor Intl

£702

Emirates

4 Nov

SAI13:20Siem Reap–Angkor Intl

29h 20m

2 stops

LGW11:40London Gatwick

17 Nov

LGW23:55London Gatwick

38h 15m

2 stops

SAI21:10Siem Reap–Angkor Intl

£725

Singapore Airlines flights from Siem Reap to London Gatwick Airport

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

Singapore Airlines

4 Nov

SAI10:45Siem Reap–Angkor Intl

29h 20m

1 stop

LGW09:05London Gatwick

17 Nov

LGW09:20London Gatwick

23h 40m

1 stop

SAI16:00Siem Reap–Angkor Intl

£828

Singapore Airlines

20 Dec

SAI10:45Siem Reap–Angkor Intl

29h 20m

1 stop

LGW09:05London Gatwick

1 Jan

LGW09:20London Gatwick

17h 35m

1 stop

SAI09:55Siem Reap–Angkor Intl

£1,068

Singapore Airlines

5 Oct

SAI10:30Siem Reap–Angkor Intl

29h 00m

1 stop

LGW09:30London Gatwick

6 Oct

LGW13:15London Gatwick

19h 55m

1 stop

SAI15:10Siem Reap–Angkor Intl

£1,825

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

Sun 20/12

21:05-06:30

2 stops40h 25m

London Gatwick

Fri 1/1

10:30-20:05

3 stops26h 35m

£647

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Wed 4/11

13:20-11:40

2 stops29h 20m

London Gatwick

Tue 17/11

23:55-21:10

2 stops38h 15m

£702

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Wed 4/11

13:20-11:40

2 stops29h 20m

London Gatwick

Tue 17/11

23:55-21:10

2 stops38h 15m

£725

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Wed 4/11

13:20-09:35

3 stops27h 15m

London Gatwick

Tue 17/11

10:25-18:30

2 stops25h 05m

£740

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Wed 4/11

13:20-09:35

3 stops27h 15m

London Gatwick

Tue 17/11

10:25-18:30

2 stops25h 05m

£743

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Wed 4/11

10:45-09:05

1 stop29h 20m

London Gatwick

Tue 17/11

09:20-16:00

1 stop23h 40m

£828

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Wed 4/11

13:20-09:35

3 stops27h 15m

London Gatwick

Tue 17/11

10:25-18:30

2 stops25h 05m

£833

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Wed 4/11

13:20-09:35

3 stops27h 15m

London Gatwick

Tue 17/11

10:25-18:30

2 stops25h 05m

£833

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Wed 4/11

13:20-09:35

3 stops27h 15m

London Gatwick

Tue 17/11

10:25-18:30

2 stops25h 05m

£885

Fastest return journey

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Sun 20/12

10:45-09:05

1 stop29h 20m

London Gatwick

Fri 1/1

09:20-09:55

1 stop17h 35m

£1,068

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 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	£247
Fastest flight time	29h 20m
Direct flights	None

The best one-way flight to London Gatwick Airport from Siem Reap in the past 72 hours is £247. The best return flight deal from Siem Reap to London Gatwick Airport found on momondo in the last 72 hours is £647.

The fastest flight from Siem Reap to London Gatwick Airport takes 29h 20m

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. 29h 20m 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.