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

Emirates is the most popular carrier operating from Siem Reap–Angkor Intl to United Kingdom

When did momondo last update prices for flights from Siem Reap–Angkor Intl Airport to United Kingdom?

Prices for flights from Siem Reap–Angkor Intl Airport to United Kingdom are updated daily.

How old do you have to be to fly from Siem Reap–Angkor Intl Airport to United Kingdom?

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–Angkor Intl Airport to United Kingdom.

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

The travel and health documents required for your trip to United Kingdom can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United Kingdom. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

£313 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

One-way

Cheap one-way flights

Enter your travel dates to find the best prices.

13:05 - 06:55

SAI

LHR

23h 50m

2 stops

£313Multiple Airlines

Sun, 26 Apr

09:45 - 06:55

SAI

LGW

27h 10m

2 stops

£314Multiple Airlines

Tue, 21 Apr

12:55 - 06:55

SAI

LHR

24h 00m

2 stops

£314Multiple Airlines

Fri, 19 Jun

16:55 - 18:45

SAI

LHR

31h 50m

3 stops

£329Multiple Airlines

Fri, 24 Apr

13:05 - 06:55

SAI

LHR

23h 50m

2 stops

£335Multiple Airlines

Sun, 24 May

13:05 - 06:55

SAI

LHR

23h 50m

2 stops

£336Multiple Airlines

Sun, 24 May

09:45 - 06:20

SAI

LHR

26h 35m

3 stops

£337Multiple Airlines

Thu, 14 May

19:30 - 06:55

SAI

LHR

41h 25m

2 stops

£338Multiple Airlines

Thu, 30 Apr

23:50 - 07:20

SAI

LGW

37h 30m

2 stops

£378Emirates

Sat, 11 Apr

23:50 - 12:35

SAI

LGW

42h 45m

2 stops

£379Emirates

Sat, 11 Apr

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 one-way

Fastest single journey

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Sun 26/4

13:05-06:55

2 stops23h 50m

£313

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Tue 21/4

09:45-06:55

2 stops27h 10m

£314

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Fri 19/6

12:55-06:55

2 stops24h 00m

£314

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Fri 24/4

16:55-18:45

3 stops31h 50m

£329

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Sun 24/5

13:05-06:55

2 stops23h 50m

£335

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Sun 24/5

13:05-06:55

2 stops23h 50m

£336

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Thu 14/5

09:45-06:20

3 stops26h 35m

£337

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Thu 30/4

19:30-06:55

2 stops41h 25m

£338

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Sat 11/4

23:50-07:20

2 stops37h 30m

£378

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Sat 11/4

23:50-12:35

2 stops42h 45m

£379

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

How to get the cheapest flight ticket from 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 Siem Reap to United Kingdom flights?

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

Cheap Siem Reap to United Kingdom flight deals and tips

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

Fastest flight time	32h 15m
Direct flights	None

The fastest flight from Siem Reap to United Kingdom takes 32h 15m

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

Search flight deals

When did momondo last update prices for flights from Siem Reap–Angkor Intl Airport to United Kingdom?
Prices for flights from Siem Reap–Angkor Intl Airport to United Kingdom are updated daily.
How old do you have to be to fly from Siem Reap–Angkor Intl Airport to United Kingdom?
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–Angkor Intl Airport to United Kingdom.
What documentation or ID do you need to fly to United Kingdom?
The travel and health documents required for your trip to United Kingdom can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at United Kingdom. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Why use momondo?

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

Finding the right flight to United Kingdom from Siem Reap is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to United Kingdom quick and easy, saving you time and money.

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?

Price alerts on flights to United Kingdom from Siem Reap are quick and easy to set up on momondo. Simply perform a search and select the price alert feature. It is as simple as that.