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Cheap flights from London Stansted Airport to Siem Reap from £266

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Stansted Airport to Siem Reap departing on 10/5. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
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Find the cheapest flights from London Stansted Airport to Siem Reap

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
05:50 - 14:50
STN
-
SAI
27h 00m
3 stops
Multiple Airlines Logo
10:00 - 18:30
SAI
-
STN
38h 30m
3 stops
£715Multiple Airlines
Mon, 20 Apr - Mon, 27 Apr
Multiple Airlines Logo
05:50 - 14:50
STN
-
SAI
27h 00m
3 stops
Multiple Airlines Logo
15:35 - 12:55
SAI
-
STN
27h 20m
2 stops
£716Multiple Airlines
Mon, 20 Apr - Mon, 27 Apr
Emirates Logo
14:55 - 21:30
STN
-
SAI
24h 35m
2 stops
Emirates Logo
12:55 - 12:55
SAI
-
STN
30h 00m
2 stops
£731Emirates
Wed, 8 Apr - Wed, 3 Jun
Emirates Logo
14:55 - 21:30
STN
-
SAI
24h 35m
2 stops
Emirates Logo
13:05 - 12:55
SAI
-
STN
29h 50m
2 stops
£733Emirates
Mon, 27 Apr - Mon, 18 May
Emirates Logo
21:05 - 21:30
STN
-
SAI
18h 25m
2 stops
Emirates Logo
12:55 - 12:55
SAI
-
STN
30h 00m
2 stops
£734Emirates
Wed, 15 Apr - Wed, 10 Jun
Emirates Logo
21:05 - 21:30
STN
-
SAI
42h 25m
2 stops
Emirates Logo
12:55 - 12:55
SAI
-
STN
30h 00m
2 stops
£734Emirates
Thu, 30 Apr - Mon, 25 May
Emirates Logo
14:55 - 21:30
STN
-
SAI
24h 35m
2 stops
Emirates Logo
13:05 - 12:55
SAI
-
STN
29h 50m
2 stops
£735Emirates
Wed, 29 Apr - Mon, 25 May
Emirates Logo
21:05 - 21:30
STN
-
SAI
18h 25m
2 stops
Emirates Logo
13:05 - 18:45
SAI
-
STN
35h 40m
2 stops
£737Emirates
Wed, 15 Apr - Mon, 11 May
Emirates Logo
21:05 - 21:30
STN
-
SAI
42h 25m
2 stops
Emirates Logo
13:05 - 12:55
SAI
-
STN
29h 50m
2 stops
£738Emirates
Thu, 30 Apr - Mon, 25 May
Emirates Logo
21:05 - 21:30
STN
-
SAI
42h 25m
2 stops
Emirates Logo
23:50 - 18:45
SAI
-
STN
24h 55m
2 stops
£740Emirates
Thu, 30 Apr - Tue, 26 May

Emirates flights from London Stansted Airport to Region of Siem Reap

Our best Emirates deals on London Stansted Airport to Region of Siem Reap flight tickets
Emirates
8 Apr
STN14:55London Stansted
24h 35m
2 stops
SAI21:30Siem Reap–Angkor Intl
3 Jun
SAI12:55Siem Reap–Angkor Intl
30h 00m
2 stops
STN12:55London Stansted
£731
Emirates
27 Apr
STN14:55London Stansted
24h 35m
2 stops
SAI21:30Siem Reap–Angkor Intl
18 May
SAI13:05Siem Reap–Angkor Intl
29h 50m
2 stops
STN12:55London Stansted
£733
Emirates
15 Apr
STN21:05London Stansted
18h 25m
2 stops
SAI21:30Siem Reap–Angkor Intl
10 Jun
SAI12:55Siem Reap–Angkor Intl
30h 00m
2 stops
STN12:55London Stansted
£734

Turkish Airlines flights from London Stansted Airport to Region of Siem Reap

Our best Turkish Airlines deals on London Stansted Airport to Region of Siem Reap flight tickets
Turkish Airlines
27 Apr
STN10:50London Stansted
40h 10m
2 stops
SAI09:00Siem Reap–Angkor Intl
18 May
SAI19:30Siem Reap–Angkor Intl
27h 10m
2 stops
STN16:40London Stansted
£901
Turkish Airlines
29 Apr
STN10:50London Stansted
25h 55m
2 stops
SAI18:45Siem Reap–Angkor Intl
25 May
SAI19:30Siem Reap–Angkor Intl
27h 10m
2 stops
STN16:40London Stansted
£937
Turkish Airlines
29 Apr
STN10:50London Stansted
25h 55m
2 stops
SAI18:45Siem Reap–Angkor Intl
25 May
SAI19:30Siem Reap–Angkor Intl
27h 10m
2 stops
STN16:40London Stansted
£941

momondo Fare Finder

 
Customise your flight search to find flights from London Stansted Airport to Region of Siem Reap that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 279,928 searches. Data last updated 20 March 2026.
Use the filters below to find and compare flights from London Stansted Airport to Siem Reap that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Mon 20/4

05:50-14:50

3 stops27h 00m

Siem Reap–Angkor Intl

Mon 27/4

10:00-18:30

3 stops38h 30m

£715

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Mon 20/4

05:50-14:50

3 stops27h 00m

Siem Reap–Angkor Intl

Mon 27/4

15:35-12:55

2 stops27h 20m

£716

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Wed 8/4

14:55-21:30

2 stops24h 35m

Siem Reap–Angkor Intl

Wed 3/6

12:55-12:55

2 stops30h 00m

£731

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Mon 27/4

14:55-21:30

2 stops24h 35m

Siem Reap–Angkor Intl

Mon 18/5

13:05-12:55

2 stops29h 50m

£733
Fastest return journey

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Wed 15/4

21:05-21:30

2 stops18h 25m

Siem Reap–Angkor Intl

Wed 10/6

12:55-12:55

2 stops30h 00m

£734

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Thu 30/4

21:05-21:30

2 stops42h 25m

Siem Reap–Angkor Intl

Mon 25/5

12:55-12:55

2 stops30h 00m

£734

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Wed 29/4

14:55-21:30

2 stops24h 35m

Siem Reap–Angkor Intl

Mon 25/5

13:05-12:55

2 stops29h 50m

£735

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Wed 15/4

21:05-21:30

2 stops18h 25m

Siem Reap–Angkor Intl

Mon 11/5

13:05-18:45

2 stops35h 40m

£737

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Thu 30/4

21:05-21:30

2 stops42h 25m

Siem Reap–Angkor Intl

Mon 25/5

13:05-12:55

2 stops29h 50m

£738

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Thu 30/4

21:05-21:30

2 stops42h 25m

Siem Reap–Angkor Intl

Tue 26/5

23:50-18:45

2 stops24h 55m

£740

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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Cheap London Stansted Airport to Region of Siem Reap flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Stansted Airport to Region of Siem Reap

Fastest flight time

18h 25m

Direct flights

None
The fastest flight from London Stansted Airport to Region of Siem Reap takes 18h 25m
There are no direct flights from London Stansted Airport to Region of Siem Reap. There are no popular flight routes from London Stansted Airport to Region of Siem Reap.
Search flight deals

  • When did momondo last update prices for flights from London Stansted Airport to Siem Reap?

    Prices for flights from London Stansted Airport to Siem Reap are refreshed on a daily basis.

  • How old do you have to be to fly from London Stansted Airport to Siem Reap?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from London Stansted Airport to Siem Reap.

  • What documentation or ID do you need to fly to Siem Reap?

    The travel and health documents you'll need for your trip to Siem Reap may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Siem Reap. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • How do I get Price Alerts for flights from London Stansted Airport to Region of Siem Reap?

    Search flight deals from London Stansted Airport to Region of Siem Reap. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from London Stansted Airport to Region of Siem Reap with momondo?

    With “Price Forecast”, learn how soon you should book your flight in advance. Down to the day of week and time of day, our information can inform you on the ideal time to book to save on your travel. Our “Price Calendar” shows you at a quick glance when to book your travel for lower rates. By setting “Price Alerts” you can monitor changes in price and target the ideal time to book. Search for your trip destination by budget amount via our “Explore” feature. Whether you’re looking for ideas for your next travel adventure or cost-cutting tips, our “Discover” content is a great place to start.

  • How does momondo find its flight prices?

    We compare prices from 700+ competitors to help you find the price that works best for you. momondo operates in over 30 international markets, bringing you access to a wide range of fares and deals. Search for your travel using momondo for a diverse range of options from airlines and OTAs.

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Siem Reap for you.

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

Yes. All flights to Siem Reap from London on momondo can be compared and filtered by various policies on offer, including flexible booking.

How can momondo help me find flights from London to Siem Reap?

Once you have performed a search for London to Siem Reap flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes momondo offers price alerts on flights to Siem Reap from London. After performing a search on this page you should be able to see the price alert set up feature. Simply provide a valid email address and momondo will instantly alert you when prices change.

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Find better results for your trip to Siem Reap

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