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

Emirates is the most popular carrier 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.

£227 Cheap Flights from Siem Reap to the United Kingdom in 2026/27

Find the cheapest flights from Siem Reap to the United Kingdom

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

17:40 - 18:10SAI Siem Reap–Angkor Intl-LHR London Heathrow

31h 30m3 stops Bangkok Don Mueang Intl Chiang Mai Abu Dhabi Zayed Intl

12:30 - 18:05LHR London Heathrow-SAI Siem Reap–Angkor Intl

22h 35m2 stops Xiamen Gaoqi Intl Hanoi Noibai

£659Multiple Airlines

Mon, 16 Nov - Fri, 20 Nov

21:05 - 17:30SAI Siem Reap–Angkor Intl-LHR London Heathrow

27h 25m2 stops Kunming Changshui Shanghai Pu Dong

21:00 - 20:05LHR London Heathrow-SAI Siem Reap–Angkor Intl

40h 05m2 stops Shanghai Pu Dong Kunming Changshui

£680China Eastern

Thu, 28 Jan - Sun, 28 Feb

23:50 - 18:15SAI Siem Reap–Angkor Intl-STN London Stansted

25h 25m2 stops Bangkok Suvarnabhumi Dubai Intl

14:05 - 21:10STN London Stansted-SAI Siem Reap–Angkor Intl

48h 05m2 stops Dubai Intl Bangkok Suvarnabhumi

£691Emirates

Thu, 28 Jan - Sun, 28 Feb

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

£694Emirates

Thu, 28 Jan - Sun, 28 Feb

21:05 - 17:30SAI Siem Reap–Angkor Intl-LHR London Heathrow

27h 25m2 stops Kunming Changshui Shanghai Pu Dong

21:00 - 20:05LHR London Heathrow-SAI Siem Reap–Angkor Intl

40h 05m3 stops Shanghai Pu Dong Fuzhou Kunming Changshui

£703China Eastern

Thu, 28 Jan - Sun, 28 Feb

21:05 - 18:10SAI Siem Reap–Angkor Intl-LHR London Heathrow

28h 05m2 stops Phnom Penh Techo Intl Abu Dhabi Zayed Intl

12:30 - 18:05LHR London Heathrow-SAI Siem Reap–Angkor Intl

22h 35m2 stops Xiamen Gaoqi Intl Hanoi Noibai

£708Multiple Airlines

Mon, 16 Nov - Fri, 20 Nov

21:30 - 14:00SAI Siem Reap–Angkor Intl-LGW London Gatwick

23h 30m2 stops Ho Chi Minh City Shanghai Pu Dong

08:50 - 16:15LGW London Gatwick-SAI Siem Reap–Angkor Intl

24h 25m3 stops Zurich Abu Dhabi Zayed Intl Bangkok Suvarnabhumi

£741Multiple Airlines

Fri, 13 Nov - Tue, 17 Nov

23:50 - 12:05SAI Siem Reap–Angkor Intl-STN London Stansted

19h 15m2 stops Bangkok Suvarnabhumi Dubai Intl

06:25 - 12:40STN London Stansted-SAI Siem Reap–Angkor Intl

23h 15m3 stops Milan Malpensa Manama Bahrain Intl Bangkok Suvarnabhumi

£782Multiple Airlines

Thu, 28 Jan - Sun, 28 Feb

21:30 - 14:00SAI Siem Reap–Angkor Intl-LGW London Gatwick

23h 30m2 stops Ho Chi Minh City Shanghai Pu Dong

08:45 - 16:05LGW London Gatwick-SAI Siem Reap–Angkor Intl

24h 20m2 stops Sharjah Phuket City

£792Multiple Airlines

Fri, 13 Nov - Tue, 17 Nov

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

£808Multiple Airlines

Thu, 28 Jan - Sun, 28 Feb

Cheap last-minute flights

Enter your travel dates to find the best prices.

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

48h 20m2 stops Bangkok Suvarnabhumi Dubai Intl

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

38h 15m2 stops Dubai Intl Bangkok Suvarnabhumi

£694Emirates

Wed, 4 Nov - Tue, 17 Nov

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

48h 20m2 stops Bangkok Suvarnabhumi Dubai Intl

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

38h 15m2 stops Dubai Intl Bangkok Suvarnabhumi

£694Emirates

Wed, 4 Nov - Tue, 17 Nov

09:55 - 18:25SAI Siem Reap–Angkor Intl-LHR London Heathrow

39h 30m2 stops Bangkok Suvarnabhumi Muscat Seeb

20:05 - 18:30LHR London Heathrow-SAI Siem Reap–Angkor Intl

39h 25m2 stops Muscat Seeb Bangkok Suvarnabhumi

£816Multiple Airlines

Wed, 4 Nov - Tue, 17 Nov

21:30 - 07:15SAI Siem Reap–Angkor Intl-LHR London Heathrow

16h 45m1 stop Ho Chi Minh City

11:00 - 20:30LHR London Heathrow-SAI Siem Reap–Angkor Intl

26h 30m1 stop Ho Chi Minh City

£834Vietnam Airlines

Wed, 4 Nov - Tue, 17 Nov

09:55 - 18:25SAI Siem Reap–Angkor Intl-LHR London Heathrow

39h 30m2 stops Bangkok Suvarnabhumi Muscat Seeb

20:05 - 08:45LHR London Heathrow-SAI Siem Reap–Angkor Intl

29h 40m2 stops Muscat Seeb Bangkok Suvarnabhumi

£838Multiple Airlines

Wed, 4 Nov - Tue, 17 Nov

19:25 - 05:55SAI Siem Reap–Angkor Intl-LHR London Heathrow

41h 30m2 stops Bangkok Suvarnabhumi Muscat Seeb

20:05 - 08:45LHR London Heathrow-SAI Siem Reap–Angkor Intl

29h 40m2 stops Muscat Seeb Bangkok Suvarnabhumi

£846Multiple Airlines

Wed, 4 Nov - Tue, 17 Nov

16:50 - 06:25SAI Siem Reap–Angkor Intl-LGW London Gatwick

20h 35m1 stop Singapore Changi

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

17h 35m1 stop Singapore Changi

£879Singapore Airlines

Wed, 4 Nov - Tue, 17 Nov

16:50 - 06:25SAI Siem Reap–Angkor Intl-LGW London Gatwick

20h 35m1 stop Singapore Changi

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

17h 35m1 stop Singapore Changi

£879Singapore Airlines

Wed, 4 Nov - Tue, 17 Nov

16:50 - 06:25SAI Siem Reap–Angkor Intl-LGW London Gatwick

20h 35m1 stop Singapore Changi

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

17h 35m1 stop Singapore Changi

£880Singapore Airlines

Wed, 4 Nov - Tue, 17 Nov

09:55 - 09:35SAI Siem Reap–Angkor Intl-LGW London Gatwick

30h 40m3 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

£884Multiple Airlines

Wed, 4 Nov - Tue, 17 Nov

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Vietnam Airlines flights from Region of Siem Reap to United Kingdom

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

Vietnam Airlines

4 Nov

SAI21:30Siem Reap–Angkor Intl

16h 45m

1 stop

LHR07:15London Heathrow

17 Nov

LHR11:00London Heathrow

26h 30m

1 stop

SAI20:30Siem Reap–Angkor Intl

£834

Vietnam Airlines

4 Nov

SAI18:40Siem Reap–Angkor Intl

19h 35m

1 stop

LHR07:15London Heathrow

17 Nov

LHR11:00London Heathrow

26h 30m

1 stop

SAI20:30Siem Reap–Angkor Intl

£913

Vietnam Airlines

4 Nov

SAI18:40Siem Reap–Angkor Intl

19h 35m

1 stop

LHR07:15London Heathrow

17 Nov

LHR11:00London Heathrow

26h 30m

1 stop

SAI20:30Siem Reap–Angkor Intl

£914

Qatar Airways flights from Region of Siem Reap to United Kingdom

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

Qatar Airways

12 Apr

SAI19:25Siem Reap–Angkor Intl

41h 15m

2 stops

LGW06:40London Gatwick

30 Apr

LGW09:00London Gatwick

27h 45m

2 stops

SAI18:45Siem Reap–Angkor Intl

£2,541

Qatar Airways

12 Apr

SAI19:25Siem Reap–Angkor Intl

41h 15m

2 stops

LGW06:40London Gatwick

30 Apr

LGW09:00London Gatwick

27h 45m

2 stops

SAI18:45Siem Reap–Angkor Intl

£2,631

Qatar Airways

12 Apr

SAI19:25Siem Reap–Angkor Intl

41h 15m

2 stops

LGW06:40London Gatwick

30 Apr

LGW09:00London Gatwick

27h 45m

2 stops

SAI18:45Siem Reap–Angkor Intl

£2,633

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 Siem Reap–Angkor Intl - LHR London Heathrow

SAILHR

Siem Reap–Angkor Intl

Mon 16/11

17:40-18:10

3 stops31h 30m

London Heathrow

Fri 20/11

12:30-18:05

2 stops22h 35m

£659

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LHR London Heathrow

SAILHR

Siem Reap–Angkor Intl

Thu 28/1

21:05-17:30

2 stops27h 25m

London Heathrow

Sun 28/2

21:00-20:05

2 stops40h 05m

£680

Siem ReapLondon

SAI Siem Reap–Angkor Intl - STN London Stansted

SAISTN

Siem Reap–Angkor Intl

Thu 28/1

23:50-18:15

2 stops25h 25m

London Stansted

Sun 28/2

14:05-21:10

2 stops48h 05m

£691

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

£694

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LHR London Heathrow

SAILHR

Siem Reap–Angkor Intl

Thu 28/1

21:05-17:30

2 stops27h 25m

London Heathrow

Sun 28/2

21:00-20:05

3 stops40h 05m

£703

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LHR London Heathrow

SAILHR

Siem Reap–Angkor Intl

Mon 16/11

21:05-18:10

2 stops28h 05m

London Heathrow

Fri 20/11

12:30-18:05

2 stops22h 35m

£708

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Fri 13/11

21:30-14:00

2 stops23h 30m

London Gatwick

Tue 17/11

08:50-16:15

3 stops24h 25m

£741

Siem ReapLondon

SAI Siem Reap–Angkor Intl - STN London Stansted

SAISTN

Siem Reap–Angkor Intl

Thu 28/1

23:50-12:05

2 stops19h 15m

London Stansted

Sun 28/2

06:25-12:40

3 stops23h 15m

£782

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Fri 13/11

21:30-14:00

2 stops23h 30m

London Gatwick

Tue 17/11

08:45-16:05

2 stops24h 20m

£792

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

£808

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 6% 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

Best price found	£227
Fastest flight time	26h 15m
Direct flights	None

The best one-way flight to United Kingdom from Region of Siem Reap in the past 72 hours is £227. The best return flight deal from Region of Siem Reap to United Kingdom found on momondo in the last 72 hours is £659.

The fastest flight from Region of Siem Reap to United Kingdom takes 26h 15m

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.