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

Emirates is the most popular carrier 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.

£252 Cheap Flights from Region of 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.

23:50 - 19:45SAI Siem Reap–Angkor Intl-LGW London Gatwick

25h 55m2 stops Bangkok Suvarnabhumi Dubai Intl

09:05 - 12:15LGW London Gatwick-SAI Siem Reap–Angkor Intl

21h 10m2 stops Dubai Intl Bangkok Suvarnabhumi

£755Emirates

Thu, 24 Sep - Sat, 3 Oct

16:55 - 12:35SAI Siem Reap–Angkor Intl-LGW London Gatwick

25h 40m3 stops Bangkok Don Mueang Intl Chennai Dubai Intl

09:45 - 14:50LGW London Gatwick-SAI Siem Reap–Angkor Intl

23h 05m2 stops Sharjah Kuala Lumpur Intl

£855Multiple Airlines

Fri, 25 Sep - Sat, 3 Oct

09:40 - 08:45SAI Siem Reap–Angkor Intl-LGW London Gatwick

29h 05m2 stops Bangkok Suvarnabhumi Sharjah

09:45 - 14:50LGW London Gatwick-SAI Siem Reap–Angkor Intl

23h 05m2 stops Sharjah Kuala Lumpur Intl

£866Multiple Airlines

Fri, 25 Sep - Sat, 3 Oct

16:55 - 12:35SAI Siem Reap–Angkor Intl-LGW London Gatwick

25h 40m3 stops Bangkok Don Mueang Intl Chennai Dubai Intl

09:45 - 16:10LGW London Gatwick-SAI Siem Reap–Angkor Intl

24h 25m3 stops Sharjah Phuket City Bangkok Don Mueang Intl

£926Multiple Airlines

Fri, 25 Sep - Sat, 3 Oct

19:30 - 05:55SAI Siem Reap–Angkor Intl-LGW London Gatwick

16h 25m1 stop Bangkok Suvarnabhumi

22:15 - 18:45LGW London Gatwick-SAI Siem Reap–Angkor Intl

14h 30m1 stop Bangkok Suvarnabhumi

£1,036British Airways

Fri, 25 Sep - Sat, 3 Oct

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

26h 25m1 stop Singapore Changi

13:00 - 09:40LGW London Gatwick-SAI Siem Reap–Angkor Intl

38h 40m1 stop Singapore Changi

£1,511Singapore Airlines

Thu, 24 Sep - Sat, 3 Oct

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

26h 25m1 stop Singapore Changi

09:00 - 12:15LGW London Gatwick-SAI Siem Reap–Angkor Intl

21h 15m2 stops Doha Hamad Intl Bangkok Suvarnabhumi

£1,673Multiple Airlines

Thu, 24 Sep - Sat, 3 Oct

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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

16 Sept

SAI12:55Siem Reap–Angkor Intl

29h 40m

2 stops

LGW12:35London Gatwick

23 Sept

LGW14:35London Gatwick

24h 55m

1 stop

SAI21:30Siem Reap–Angkor Intl

£692

Emirates

24 Sept

SAI23:50Siem Reap–Angkor Intl

25h 55m

2 stops

LGW19:45London Gatwick

3 Oct

LGW09:05London Gatwick

21h 10m

2 stops

SAI12:15Siem Reap–Angkor Intl

£755

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

24 Sept

SAI10:30Siem Reap–Angkor Intl

26h 25m

1 stop

LGW06:55London Gatwick

3 Oct

LGW13:00London Gatwick

38h 40m

1 stop

SAI09:40Siem Reap–Angkor Intl

£1,511

Singapore Airlines

16 Sept

SAI16:00Siem Reap–Angkor Intl

20h 55m

1 stop

LGW06:55London Gatwick

23 Sept

LGW10:00London Gatwick

17h 40m

1 stop

SAI09:40Siem Reap–Angkor Intl

£1,637

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

Thu 24/9

23:50-19:45

2 stops25h 55m

London Gatwick

Sat 3/10

09:05-12:15

2 stops21h 10m

£755

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Fri 25/9

16:55-12:35

3 stops25h 40m

London Gatwick

Sat 3/10

09:45-14:50

2 stops23h 05m

£855

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Fri 25/9

09:40-08:45

2 stops29h 05m

London Gatwick

Sat 3/10

09:45-14:50

2 stops23h 05m

£866

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Fri 25/9

16:55-12:35

3 stops25h 40m

London Gatwick

Sat 3/10

09:45-16:10

3 stops24h 25m

£926

Fastest return journey

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Fri 25/9

19:30-05:55

1 stop16h 25m

London Gatwick

Sat 3/10

22:15-18:45

1 stop14h 30m

£1,036

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Thu 24/9

10:30-06:55

1 stop26h 25m

London Gatwick

Sat 3/10

13:00-09:40

1 stop38h 40m

£1,511

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Thu 24/9

10:30-06:55

1 stop26h 25m

London Gatwick

Sat 3/10

09:00-12:15

2 stops21h 15m

£1,673

Cheapest one-way

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Sun 18/10

19:05-06:55

2 stops41h 50m

£252

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Wed 28/10

19:05-07:10

2 stops43h 05m

£254

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Sun 18/10

19:05-06:35

3 stops41h 30m

£282

Flights are sorted by cheapest return flights first.

Showing 1-10 of 17 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 59% 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	£252
Fastest flight time	41h 20m
Direct flights	None

The best one-way flight to London Gatwick Airport from Region of Siem Reap in the past 72 hours is £252. The best return flight deal from Region of Siem Reap to London Gatwick Airport found on momondo in the last 72 hours is £755.

The fastest flight from Region of Siem Reap to London Gatwick Airport takes 41h 20m

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.