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

You can take advantage of momondo’s Price Alerts by first searching for your flights to London Stansted Airport from Siem Reap . Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.

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

By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

How does momondo find its flight prices?

We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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

Prices for flights from London Stansted Airport to Siem Reap–Angkor Intl Airport were last updated today.

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

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 London Stansted Airport to Siem Reap–Angkor Intl Airport.

What documentation or ID do you need to fly to Siem Reap–Angkor Intl Airport?

The travel and health documents you'll need for your trip to Siem Reap–Angkor Intl Airport 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–Angkor Intl Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£348 Cheap Flights from London Stansted Airport to Siem Reap in 2026

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Cheap return flights

Enter your travel dates to find the best prices.

14:55 - 21:30

STN

SAI

24h 35m

2 stops

12:55 - 18:45

SAI

STN

35h 50m

2 stops

£737Emirates

Wed, 17 Jun - Wed, 24 Jun

20:00 - 10:50

STN

SAI

32h 50m

3 stops

15:35 - 21:25

SAI

STN

35h 50m

3 stops

£790Multiple Airlines

Sun, 5 Apr - Sun, 3 May

14:55 - 21:30

STN

SAI

24h 35m

2 stops

12:55 - 12:55

SAI

STN

30h 00m

2 stops

£798Emirates

Fri, 17 Apr - Sun, 26 Apr

14:55 - 21:30

STN

SAI

24h 35m

2 stops

12:55 - 12:55

SAI

STN

30h 00m

2 stops

£837Emirates

Mon, 6 Apr - Mon, 4 May

20:15 - 21:10

STN

SAI

41h 55m

2 stops

23:50 - 12:55

SAI

STN

19h 05m

2 stops

£842Emirates

Thu, 19 Mar - Tue, 21 Apr

21:05 - 12:15

STN

SAI

33h 10m

2 stops

23:50 - 12:55

SAI

STN

19h 05m

2 stops

£848Emirates

Sun, 10 May - Tue, 26 May

21:05 - 12:15

STN

SAI

33h 10m

2 stops

19:30 - 12:55

SAI

STN

23h 25m

2 stops

£922Multiple Airlines

Sun, 5 Apr - Sun, 3 May

21:05 - 21:30

STN

SAI

18h 25m

2 stops

12:55 - 18:45

SAI

STN

35h 50m

2 stops

£959Multiple Airlines

Fri, 24 Apr - Fri, 8 May

14:55 - 21:30

STN

SAI

24h 35m

2 stops

23:50 - 18:45

SAI

STN

24h 55m

2 stops

£961Emirates

Wed, 19 Aug - Sat, 22 Aug

14:55 - 21:30

STN

SAI

24h 35m

2 stops

12:55 - 12:55

SAI

STN

30h 00m

2 stops

£968Emirates

Wed, 5 Aug - Mon, 10 Aug

Emirates flights from London Stansted Airport to Siem Reap

Our best Emirates deals on London Stansted Airport to Siem Reap flight tickets

Emirates

17 Jun

STN14:55London Stansted

24h 35m

2 stops

SAI21:30Siem Reap–Angkor Intl

24 Jun

SAI12:55Siem Reap–Angkor Intl

35h 50m

2 stops

STN18:45London Stansted

£737

Emirates

17 Apr

STN14:55London Stansted

24h 35m

2 stops

SAI21:30Siem Reap–Angkor Intl

26 Apr

SAI12:55Siem Reap–Angkor Intl

30h 00m

2 stops

STN12:55London Stansted

£798

Emirates

6 Apr

STN14:55London Stansted

24h 35m

2 stops

SAI21:30Siem Reap–Angkor Intl

4 May

SAI12:55Siem Reap–Angkor Intl

30h 00m

2 stops

STN12:55London Stansted

£837

momondo Fare Finder

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

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Wed 17/6

14:55-21:30

2 stops24h 35m

Siem Reap–Angkor Intl

Wed 24/6

12:55-18:45

2 stops35h 50m

£737

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Sun 5/4

20:00-10:50

3 stops32h 50m

Siem Reap–Angkor Intl

Sun 3/5

15:35-21:25

3 stops35h 50m

£790

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Fri 17/4

14:55-21:30

2 stops24h 35m

Siem Reap–Angkor Intl

Sun 26/4

12:55-12:55

2 stops30h 00m

£798

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Mon 6/4

14:55-21:30

2 stops24h 35m

Siem Reap–Angkor Intl

Mon 4/5

12:55-12:55

2 stops30h 00m

£837

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Thu 19/3

20:15-21:10

2 stops41h 55m

Siem Reap–Angkor Intl

Tue 21/4

23:50-12:55

2 stops19h 05m

£842

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Sun 10/5

21:05-12:15

2 stops33h 10m

Siem Reap–Angkor Intl

Tue 26/5

23:50-12:55

2 stops19h 05m

£848

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Sun 5/4

21:05-12:15

2 stops33h 10m

Siem Reap–Angkor Intl

Sun 3/5

19:30-12:55

2 stops23h 25m

£922

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Fri 24/4

21:05-21:30

2 stops18h 25m

Siem Reap–Angkor Intl

Fri 8/5

12:55-18:45

2 stops35h 50m

£959

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Wed 19/8

14:55-21:30

2 stops24h 35m

Siem Reap–Angkor Intl

Sat 22/8

23:50-18:45

2 stops24h 55m

£961

LondonSiem Reap

STN - SAI

STNSAI

London Stansted

Wed 5/8

14:55-21:30

2 stops24h 35m

Siem Reap–Angkor Intl

Mon 10/8

12:55-12:55

2 stops30h 00m

£968

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

When to book flights from London Stansted Airport to Siem Reap

Are you open to changing your travel dates? Check out the ideal times to fly from London Stansted Airport to Siem Reap according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap London Stansted Airport to Siem Reap (STN to SAI) flight deals and tips

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

Fastest flight time	18h 25m
Direct flights	None

The fastest flight from London Stansted Airport to Siem Reap takes 18h 25m

There are no direct flights from London Stansted Airport to Siem Reap. There are no popular flight routes from London Stansted Airport to Siem Reap.

Search flight deals

How far is London Stansted to Siem Reap–Angkor Intl by plane?
A flight from London Stansted to Siem Reap–Angkor Intl will travel around 6054.4 mi. Flights usually cover this in 18h 25m, depending on flying conditions and air traffic around both airports.
When did momondo last update prices for flights from London Stansted Airport to Siem Reap–Angkor Intl Airport?
Prices for flights from London Stansted Airport to Siem Reap–Angkor Intl Airport were last updated today.
How old do you have to be to fly from London Stansted Airport to Siem Reap–Angkor Intl Airport?
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 London Stansted Airport to Siem Reap–Angkor Intl Airport.
What documentation or ID do you need to fly to Siem Reap–Angkor Intl Airport?
The travel and health documents you'll need for your trip to Siem Reap–Angkor Intl Airport 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–Angkor Intl Airport. 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 Siem Reap?
You can take advantage of momondo’s Price Alerts by first searching for your flights to London Stansted Airport from Siem Reap. Flight offers will be shown to you in real-time. From there you can create a Price Alert by using our on-site widget.
How can I save money on flights from London Stansted Airport to Siem Reap with momondo?
By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.
How does momondo find its flight prices?
We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

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?

If you are not ready to book a flight from London to Siem Reap now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Siem Reap and let you know when they change.

An easier way to manage your Siem Reap trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

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Cheap flights from London Stansted Airport to Siem Reap from £348

Big names, great deals

Big names, great deals

Filter for what you want

Filter for what you want

Trusted and free

Trusted and free

Price Alerts

Price Alerts

Find the cheapest flights from London Stansted Airport to Siem Reap

Cheap return flights

Cheap one-way flights

Emirates flights from London Stansted Airport to Siem Reap

Our best Emirates deals on London Stansted Airport to Siem Reap flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from London Stansted Airport to Siem Reap that are best for you.

When to book flights from London Stansted Airport to Siem Reap

Cheap London Stansted Airport to Siem Reap (STN to SAI) flight deals and tips

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

Fastest flight time

Direct flights

Why use momondo?

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

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

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

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

An easier way to manage your Siem Reap trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Cambodia

Cabin classes currently available on flights to Siem Reap

List of cabin classes available on flights landing in Siem Reap. Availability may vary depending on flight origin and airline.

Popular Cities in Cambodia

Popular flights according to clicks in the last 7 days on momondo

Fly to other destinations from London Stansted Airport

According to popular flight searches on momondo this year

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