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

Vietnam Airlines, China Eastern, and Singapore Airlines 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.

£285 Cheap Flights from Siem Reap to the United Kingdom in 2026

Voted winner of Europe's Best Travel App 2023

Find the cheapest flights from Siem Reap to the United Kingdom

Return

One-way

Cheap return flights

Enter your travel dates to find the best prices.

21:10 - 06:40

SAI

LGW

39h 30m

3 stops

22:00 - 20:10

LGW

SAI

40h 10m

2 stops

£641China Eastern

Wed, 12 Aug - Wed, 26 Aug

21:10 - 18:40

SAI

LHR

27h 30m

2 stops

21:20 - 20:10

LHR

SAI

40h 50m

2 stops

£669China Eastern

Wed, 12 Aug - Wed, 26 Aug

19:05 - 19:20

SAI

LHR

30h 15m

2 stops

18:55 - 17:10

LHR

SAI

16h 15m

1 stop

£751Multiple Airlines

Wed, 12 Aug - Wed, 26 Aug

19:05 - 19:15

SAI

LGW

30h 10m

2 stops

20:50 - 14:50

LGW

SAI

36h 00m

3 stops

£797Multiple Airlines

Sat, 1 Aug - Sat, 15 Aug

23:50 - 07:20

SAI

LGW

37h 30m

2 stops

23:55 - 12:15

LGW

SAI

30h 20m

2 stops

£879Emirates

Sat, 1 Aug - Sat, 15 Aug

23:50 - 16:10

SAI

LHR

22h 20m

2 stops

20:40 - 12:15

LHR

SAI

33h 35m

2 stops

£905Emirates

Sat, 1 Aug - Sat, 15 Aug

15:10 - 08:00

SAI

LHR

22h 50m

3 stops

20:05 - 18:55

LHR

SAI

40h 50m

2 stops

£979Multiple Airlines

Sat, 1 Aug - Sat, 15 Aug

23:50 - 19:20

SAI

LHR

25h 30m

1 stop

21:35 - 18:55

LHR

SAI

15h 20m

1 stop

£982Multiple Airlines

Sat, 1 Aug - Sat, 15 Aug

10:30 - 09:40

SAI

LGW

29h 10m

1 stop

13:00 - 09:40

LGW

SAI

38h 40m

1 stop

£1,029Singapore Airlines

Wed, 12 Aug - Wed, 26 Aug

10:30 - 10:00

SAI

LGW

29h 30m

1 stop

10:05 - 15:10

LGW

SAI

23h 05m

1 stop

£1,215Singapore Airlines

Sat, 1 Aug - Sat, 15 Aug

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China Eastern flights from Region of Siem Reap to United Kingdom

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

China Eastern

12 Aug

SAI21:10Siem Reap–Angkor Intl

39h 30m

3 stops

LGW06:40London Gatwick

26 Aug

LGW22:00London Gatwick

40h 10m

2 stops

SAI20:10Siem Reap–Angkor Intl

£641

China Eastern

12 Aug

SAI21:10Siem Reap–Angkor Intl

27h 30m

2 stops

LHR18:40London Heathrow

26 Aug

LHR21:20London Heathrow

40h 50m

2 stops

SAI20:10Siem Reap–Angkor Intl

£669

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

1 Aug

SAI23:50Siem Reap–Angkor Intl

37h 30m

2 stops

LGW07:20London Gatwick

15 Aug

LGW23:55London Gatwick

30h 20m

2 stops

SAI12:15Siem Reap–Angkor Intl

£879

Emirates

1 Aug

SAI23:50Siem Reap–Angkor Intl

22h 20m

2 stops

LHR16:10London Heathrow

15 Aug

LHR20:40London Heathrow

33h 35m

2 stops

SAI12:15Siem Reap–Angkor Intl

£905

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 - LGW

SAILGW

Siem Reap–Angkor Intl

Wed 12/8

21:10-06:40

3 stops39h 30m

London Gatwick

Wed 26/8

22:00-20:10

2 stops40h 10m

£641

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Wed 12/8

21:10-18:40

2 stops27h 30m

London Heathrow

Wed 26/8

21:20-20:10

2 stops40h 50m

£669

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Wed 12/8

19:05-19:20

2 stops30h 15m

London Heathrow

Wed 26/8

18:55-17:10

1 stop16h 15m

£751

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Sat 1/8

19:05-19:15

2 stops30h 10m

London Gatwick

Sat 15/8

20:50-14:50

3 stops36h 00m

£797

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Sat 1/8

23:50-07:20

2 stops37h 30m

London Gatwick

Sat 15/8

23:55-12:15

2 stops30h 20m

£879

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Sat 1/8

23:50-16:10

2 stops22h 20m

London Heathrow

Sat 15/8

20:40-12:15

2 stops33h 35m

£905

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Sat 1/8

15:10-08:00

3 stops22h 50m

London Heathrow

Sat 15/8

20:05-18:55

2 stops40h 50m

£979

Fastest return journey

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Sat 1/8

23:50-19:20

1 stop25h 30m

London Heathrow

Sat 15/8

21:35-18:55

1 stop15h 20m

£982

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Wed 12/8

10:30-09:40

1 stop29h 10m

London Gatwick

Wed 26/8

13:00-09:40

1 stop38h 40m

£1,029

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Sat 1/8

10:30-10:00

1 stop29h 30m

London Gatwick

Sat 15/8

10:05-15:10

1 stop23h 05m

£1,215

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 24% 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	27h 30m
Direct flights	None

The fastest flight from Region of Siem Reap to United Kingdom takes 27h 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.

Search flight deals

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.