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

China Eastern and Emirates are the most popular carriers operating from Siem Reap to London Gatwick

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

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

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

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Siem Reap to London Gatwick Airport.

What documentation or ID do you need to fly to London Gatwick Airport?

The required travel and health documents for your London Gatwick 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 London Gatwick Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£226 Cheap Flights from Region of 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.

21:10 - 15:00SAI Siem Reap–Angkor Intl-LGW London Gatwick

47h 50m2 stops Kunming Changshui Shanghai Hongqiao Intl

11:35 - 20:10LGW London Gatwick-SAI Siem Reap–Angkor Intl

26h 35m2 stops Shanghai Pu Dong Kunming Changshui

£646China Eastern

Wed, 5 May - Tue, 18 May

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

27h 40m2 stops Bangkok Suvarnabhumi Dubai Intl

21:45 - 21:30LGW London Gatwick-SAI Siem Reap–Angkor Intl

17h 45m2 stops Dubai Intl Bangkok Suvarnabhumi

£672Emirates

Tue, 4 May - Wed, 19 May

12:55 - 07:20SAI Siem Reap–Angkor Intl-LGW London Gatwick

24h 25m2 stops Bangkok Suvarnabhumi Dubai Intl

23:55 - 21:30LGW London Gatwick-SAI Siem Reap–Angkor Intl

39h 35m2 stops Dubai Intl Bangkok Suvarnabhumi

£672Emirates

Sun, 2 May - Thu, 20 May

21:10 - 15:00SAI Siem Reap–Angkor Intl-LGW London Gatwick

47h 50m2 stops Kunming Changshui Shanghai Hongqiao Intl

11:35 - 20:10LGW London Gatwick-SAI Siem Reap–Angkor Intl

26h 35m2 stops Shanghai Pu Dong Kunming Changshui

£683China Eastern

Wed, 5 May - Thu, 20 May

23:50 - 11:40SAI Siem Reap–Angkor Intl-LGW London Gatwick

18h 50m2 stops Bangkok Suvarnabhumi Dubai Intl

09:40 - 12:40LGW London Gatwick-SAI Siem Reap–Angkor Intl

20h 00m2 stops Dubai Intl Bangkok Suvarnabhumi

£691Emirates

Thu, 28 Jan - Sun, 28 Feb

19:05 - 14:00SAI Siem Reap–Angkor Intl-LGW London Gatwick

25h 55m2 stops Hanoi Noibai Shanghai Pu Dong

07:20 - 21:30LGW London Gatwick-SAI Siem Reap–Angkor Intl

32h 10m1 stop Bangkok Suvarnabhumi

£707Multiple Airlines

Sat, 27 Feb - Fri, 2 Apr

13:20 - 06:40SAI Siem Reap–Angkor Intl-LGW London Gatwick

24h 20m2 stops Bangkok Suvarnabhumi Dubai Intl

10:05 - 12:15LGW London Gatwick-SAI Siem Reap–Angkor Intl

20h 10m2 stops Dubai Intl Bangkok Suvarnabhumi

£718Emirates

Tue, 2 Mar - Fri, 2 Apr

23:50 - 20:50SAI Siem Reap–Angkor Intl-LGW London Gatwick

28h 00m2 stops Bangkok Suvarnabhumi Dubai Intl

10:05 - 12:15LGW London Gatwick-SAI Siem Reap–Angkor Intl

20h 10m2 stops Dubai Intl Bangkok Suvarnabhumi

£740Emirates

Sat, 27 Feb - Fri, 2 Apr

23:50 - 11:40SAI Siem Reap–Angkor Intl-LGW London Gatwick

18h 50m2 stops Bangkok Suvarnabhumi Dubai Intl

12:40 - 09:15LGW London Gatwick-SAI Siem Reap–Angkor Intl

37h 35m1 stop Bangkok Suvarnabhumi

£805Multiple Airlines

Thu, 28 Jan - Sun, 28 Feb

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

18h 15m1 stop Bangkok Suvarnabhumi

07:20 - 21:30LGW London Gatwick-SAI Siem Reap–Angkor Intl

32h 10m1 stop Bangkok Suvarnabhumi

£823Multiple Airlines

Tue, 2 Mar - Fri, 2 Apr

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Singapore Airlines flights from Region of Siem Reap to London Gatwick Airport

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

Singapore Airlines

13 Nov

SAI16:50Siem Reap–Angkor Intl

23h 15m

1 stop

LGW09:05London Gatwick

17 Nov

LGW09:20London Gatwick

17h 35m

1 stop

SAI09:55Siem Reap–Angkor Intl

£889

Singapore Airlines

4 May

SAI10:30Siem Reap–Angkor Intl

28h 30m

1 stop

LGW09:00London Gatwick

19 May

LGW13:15London Gatwick

38h 25m

1 stop

SAI09:40Siem Reap–Angkor Intl

£958

Singapore Airlines

4 May

SAI10:30Siem Reap–Angkor Intl

26h 25m

1 stop

LGW06:55London Gatwick

21 May

LGW10:10London Gatwick

17h 30m

1 stop

SAI09:40Siem Reap–Angkor Intl

£1,260

Emirates flights from Region of Siem Reap to London Gatwick Airport

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

Emirates

4 May

SAI23:50Siem Reap–Angkor Intl

27h 40m

2 stops

LGW21:30London Gatwick

19 May

LGW21:45London Gatwick

17h 45m

2 stops

SAI21:30Siem Reap–Angkor Intl

£672

Emirates

2 May

SAI12:55Siem Reap–Angkor Intl

24h 25m

2 stops

LGW07:20London Gatwick

16 May

LGW23:55London Gatwick

39h 35m

2 stops

SAI21:30Siem Reap–Angkor Intl

£672

Emirates

28 Jan

SAI23:50Siem Reap–Angkor Intl

18h 50m

2 stops

LGW11:40London Gatwick

28 Feb

LGW09:40London Gatwick

20h 00m

2 stops

SAI12:40Siem Reap–Angkor Intl

£691

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 5/5

21:10-15:00

2 stops47h 50m

London Gatwick

Tue 18/5

11:35-20:10

2 stops26h 35m

£646

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Tue 4/5

23:50-21:30

2 stops27h 40m

London Gatwick

Wed 19/5

21:45-21:30

2 stops17h 45m

£672

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Sun 2/5

12:55-07:20

2 stops24h 25m

London Gatwick

Thu 20/5

23:55-21:30

2 stops39h 35m

£672

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Wed 5/5

21:10-15:00

2 stops47h 50m

London Gatwick

Thu 20/5

11:35-20:10

2 stops26h 35m

£683

Fastest return journey

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Thu 28/1

23:50-11:40

2 stops18h 50m

London Gatwick

Sun 28/2

09:40-12:40

2 stops20h 00m

£691

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Sat 27/2

19:05-14:00

2 stops25h 55m

London Gatwick

Fri 2/4

07:20-21:30

1 stop32h 10m

£707

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Tue 2/3

13:20-06:40

2 stops24h 20m

London Gatwick

Fri 2/4

10:05-12:15

2 stops20h 10m

£718

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Sat 27/2

23:50-20:50

2 stops28h 00m

London Gatwick

Fri 2/4

10:05-12:15

2 stops20h 10m

£740

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Thu 28/1

23:50-11:40

2 stops18h 50m

London Gatwick

Sun 28/2

12:40-09:15

1 stop37h 35m

£805

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Tue 2/3

09:50-21:05

1 stop18h 15m

London Gatwick

Fri 2/4

07:20-21:30

1 stop32h 10m

£823

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 Region of 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 Region of Siem Reap to London Gatwick Airport flights?

You could potentially save up to 51% on your flight if you consider stops on a Region of Siem Reap to London Gatwick Airport flight.

Cheap Region of Siem Reap to London Gatwick Airport flight deals and tips

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

Best price found	£226
Fastest flight time	18h 50m
Direct flights	None

The best one-way flight to London Gatwick Airport from Region of Siem Reap in the past 72 hours is £226. The best return flight deal from Region of Siem Reap to London Gatwick Airport found on momondo in the last 72 hours is £646.

The fastest flight from Region of Siem Reap to London Gatwick Airport takes 18h 50m

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

Search flight deals

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

When did momondo last update prices for flights from Siem Reap to London Gatwick Airport?
Prices for flights from Siem Reap to London Gatwick Airport are updated daily.
How old do you have to be to fly from Siem Reap to London Gatwick Airport?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from Siem Reap to London Gatwick Airport.
What documentation or ID do you need to fly to London Gatwick Airport?
The required travel and health documents for your London Gatwick 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 London Gatwick Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to London from Siem Reap.

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 in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to London from Siem Reap.

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

If you are simply researching potential flights to London, momondo offers a useful price alert feature which will track prices for flights to London from Siem Reap and alert you when they change.