What is the cheapest airline that flies from Siem Reap to United Kingdom?

Etihad Airways and Emirates are the most popular carriers operating from Siem Reap to United Kingdom

When did momondo last update prices for flights from Siem Reap to United Kingdom?

Prices for flights from Siem Reap to United Kingdom were last updated today.

How old do you have to be to fly from Siem Reap to United Kingdom?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Siem Reap to United Kingdom.

What documentation or ID do you need to fly to United Kingdom?

The necessary travel and health documents for your United Kingdom trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

£289 Cheap Flights from Siem Reap to the United Kingdom in 2026

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Find the cheapest flights from Siem Reap to the United Kingdom

Round-trip

One-way

Cheap return flights

Enter your travel dates to find the best prices.

13:05 - 15:20

SAI

LHR

32h 15m

2 stops

22:05 - 19:05

LHR

SAI

39h 00m

2 stops

£680Multiple Airlines

Sun, 24 May - Sun, 31 May

13:05 - 06:55

SAI

LHR

23h 50m

2 stops

22:05 - 19:05

LHR

SAI

39h 00m

2 stops

£682Multiple Airlines

Sun, 24 May - Sun, 31 May

13:05 - 15:20

SAI

LHR

32h 15m

2 stops

22:05 - 19:05

LHR

SAI

39h 00m

2 stops

£731Multiple Airlines

Sun, 24 May - Sun, 31 May

13:05 - 19:45

SAI

LGW

36h 40m

2 stops

14:35 - 12:20

LGW

SAI

39h 45m

2 stops

£763Emirates

Sun, 24 May - Sun, 31 May

13:05 - 12:35

SAI

LGW

29h 30m

2 stops

14:35 - 12:20

LGW

SAI

39h 45m

2 stops

£771Emirates

Sun, 24 May - Sun, 31 May

13:05 - 06:55

SAI

LHR

23h 50m

2 stops

19:50 - 17:10

LHR

SAI

15h 20m

1 stop

£784Multiple Airlines

Sun, 24 May - Sun, 31 May

13:05 - 06:25

SAI

LHR

23h 20m

2 stops

19:50 - 17:10

LHR

SAI

15h 20m

1 stop

£1,032Multiple Airlines

Sun, 24 May - Sun, 31 May

09:45 - 19:20

SAI

LHR

15h 35m

1 stop

21:35 - 19:05

LHR

SAI

15h 30m

1 stop

£1,037Multiple Airlines

Sun, 24 May - Sun, 31 May

16:00 - 06:55

SAI

LGW

20h 55m

1 stop

10:10 - 09:40

LGW

SAI

17h 30m

1 stop

£2,020Singapore Airlines

Sun, 24 May - Sun, 31 May

10:30 - 06:55

SAI

LGW

26h 25m

1 stop

10:10 - 09:40

LGW

SAI

17h 30m

1 stop

£2,189Singapore Airlines

Sun, 24 May - Sun, 31 May

Emirates flights from Region of Siem Reap to United Kingdom

Our best Emirates deals on Region of Siem Reap to United Kingdom flight tickets

Emirates

24 May

SAI13:05Siem Reap–Angkor Intl

36h 40m

2 stops

LGW19:45London Gatwick

31 May

LGW14:35London Gatwick

39h 45m

2 stops

SAI12:20Siem Reap–Angkor Intl

£763

Emirates

24 May

SAI13:05Siem Reap–Angkor Intl

29h 30m

2 stops

LGW12:35London Gatwick

31 May

LGW14:35London Gatwick

39h 45m

2 stops

SAI12:20Siem Reap–Angkor Intl

£771

Singapore Airlines flights from Region of Siem Reap to United Kingdom

Our best Singapore Airlines deals on Region of Siem Reap to United Kingdom flight tickets

Singapore Airlines

24 May

SAI16:00Siem Reap–Angkor Intl

20h 55m

1 stop

LGW06:55London Gatwick

31 May

LGW10:10London Gatwick

17h 30m

1 stop

SAI09:40Siem Reap–Angkor Intl

£2,020

Singapore Airlines

24 May

SAI10:30Siem Reap–Angkor Intl

26h 25m

1 stop

LGW06:55London Gatwick

31 May

LGW10:10London Gatwick

17h 30m

1 stop

SAI09:40Siem Reap–Angkor Intl

£2,189

momondo Fare Finder

Use the filters below to find and compare flights from Siem Reap to the United Kingdom that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Sun 24/5

13:05-15:20

2 stops32h 15m

London Heathrow

Sun 31/5

22:05-19:05

2 stops39h 00m

£680

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Sun 24/5

13:05-06:55

2 stops23h 50m

London Heathrow

Sun 31/5

22:05-19:05

2 stops39h 00m

£682

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Sun 24/5

13:05-15:20

2 stops32h 15m

London Heathrow

Sun 31/5

22:05-19:05

2 stops39h 00m

£731

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Sun 24/5

13:05-19:45

2 stops36h 40m

London Gatwick

Sun 31/5

14:35-12:20

2 stops39h 45m

£763

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Sun 24/5

13:05-12:35

2 stops29h 30m

London Gatwick

Sun 31/5

14:35-12:20

2 stops39h 45m

£771

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Sun 24/5

13:05-06:55

2 stops23h 50m

London Heathrow

Sun 31/5

19:50-17:10

1 stop15h 20m

£784

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Sun 24/5

13:05-06:25

2 stops23h 20m

London Heathrow

Sun 31/5

19:50-17:10

1 stop15h 20m

£1,032

Fastest return journey

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Sun 24/5

09:45-19:20

1 stop15h 35m

London Heathrow

Sun 31/5

21:35-19:05

1 stop15h 30m

£1,037

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Sun 24/5

16:00-06:55

1 stop20h 55m

London Gatwick

Sun 31/5

10:10-09:40

1 stop17h 30m

£2,020

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Sun 24/5

10:30-06:55

1 stop26h 25m

London Gatwick

Sun 31/5

10:10-09:40

1 stop17h 30m

£2,189

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 United Kingdom

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 United Kingdom flights?

You could potentially save up to 26% on your flight if you consider stops on a Region of Siem Reap to United Kingdom flight.

Cheap Region of Siem Reap to United Kingdom flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Region of Siem Reap to United Kingdom

Fastest flight time	29h 30m
Direct flights	None

The fastest flight from Region of Siem Reap to United Kingdom takes 29h 30m

There are no direct flights from Region of Siem Reap to United Kingdom. There are no popular flight routes from Region of Siem Reap to United Kingdom.

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Frequently asked questions about flying from Siem Reap to the United Kingdom

When did momondo last update prices for flights from Siem Reap to United Kingdom?
Prices for flights from Siem Reap to United Kingdom were last updated today.
How old do you have to be to fly from Siem Reap to United Kingdom?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Siem Reap to United Kingdom.
What documentation or ID do you need to fly to United Kingdom?
The necessary travel and health documents for your United Kingdom trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's license and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

It is quick and easy to find Siem Reap to United Kingdom flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to United Kingdom that suits you.

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

momondo does allow users to show only those flights to United Kingdom 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 United Kingdom?

momondo provides multiple filters to help you find the best flight to United Kingdom from Siem Reap. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

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