How long is the flight from London Stansted Airport to Siem Reap?

Airlines like Emirates fly from London Stansted Airport to Siem Reap in about 24h 05m. The time it takes to get you to your destination can typically vary by up to . The distance from London Stansted Airport to Siem Reap is about 6068 mi.

In terms of precipitation, rainfall in Siem Reap ranges from 0.0 - 260.0 inches per month. September is typically the wettest month, when rainfall can reach 260.0 mm. January is typically the driest time to visit Siem Reap when rainfall is around 0.0 mm.

If weather is an important factor for your trip to Siem Reap, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 24.0 C).

What is the cheapest time of day to fly from STN to SAI?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from London Stansted Airport to Siem Reap as you normally would.

What airport do you fly into for flights to Siem Reap from London Stansted?

If you book a flight to Siem Reap from London Stansted, you will be flying to Siem Reap–Angkor Intl, which is the city’s only airport. Siem Reap–Angkor Intl (SAI) is located 24.7 mi from the center of Siem Reap. There are 0 flights from London Stansted to Siem Reap–Angkor Intl per day from 0 different airlines.

Can I find deals for flights from Stansted to Siem Reap that include hotel bookings?

Yes. In addition to deals on Stansted to Siem Reap flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Stansted to Siem Reap?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Stansted to Siem Reap.

Can I find deals for business class flights from Stansted to Siem Reap?

Yes. Cheapflights offers flight deals from Stansted to Siem Reap by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£306+ Cheap Flights from London Stansted Airport to Siem Reap, Cambodia

Cheap flight deals from Stansted to Siem Reap

Enter your travel dates to find the best prices.

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Cheapest flights from Stansted to Siem Reap
Explore the most affordable flight options available from Stansted to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Thu 3/1220:15 -

2 stops41h 55m

Wed 16/1213:20 -

2 stops35h 55m

Deal found 27/10£757

Wed 2/1214:05 -

2 stops24h 05m

Thu 10/1223:50 -

2 stops25h 25m

Deal found 26/10£803

Fri 4/1214:05 -

2 stops24h 05m

Thu 10/1223:50 -

2 stops25h 25m

Deal found 26/10£823

Mon 16/1114:05 -

2 stops24h 05m

Thu 26/1123:50 -

2 stops25h 25m

Deal found 26/10£837

Wed 18/1114:05 -

2 stops24h 05m

Wed 25/1113:20 -

2 stops29h 45m

Deal found 25/10£838

Wed 11/1114:05 -

2 stops24h 05m

Tue 1/1223:50 -

2 stops19h 15m

Deal found 26/10£839

Tue 3/1120:15 -

2 stops41h 55m

Sat 14/1123:50 -

2 stops43h 15m

Deal found 29/10£845

Wed 2/1214:05 -

2 stops24h 05m

Sat 12/1223:50 -

2 stops19h 15m

Deal found 26/10£867

Wed 25/1114:05 -

2 stops24h 05m

Fri 4/1213:20 -

2 stops29h 45m

Deal found 26/10£868

Fri 4/1214:05 -

2 stops24h 05m

Sat 12/1223:50 -

2 stops25h 25m

Deal found 26/10£887

Thu 3/1220:15 -

2 stops41h 55m

Fri 11/1209:55 -

2 stops39h 20m

Deal found 26/10£893

Find flight deals from Stansted to Siem Reap

Round-trip from	£757
One-way from	£306
Popular in	December
Cheapest in	July
Average price	£767

Emirates
3/12-16/12
4 total stops
77h 50m total
London to Siem Reap

Search Deals

21/1-31/12
3 total stops
38h 30m total
London to Siem Reap

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (£50 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£22 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

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Cheapflights Fare Finder

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

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Route

Depart

Return

Price

Cheapest return flight

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Sat 14/11

17:00-16:05

3 stops40h 05m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£346

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Wed 4/11

19:50-17:40

3 stops38h 50m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£380

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Mon 9/11

22:35-16:05

3 stops34h 30m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£385

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Sun 8/11

07:00-16:55

3 stops26h 55m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£419

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Thu 10/12

06:15-18:05

3 stops28h 50m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£425

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Wed 9/12

17:45-18:45

3 stops42h 00m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£429

Fastest return journey

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Mon 2/11

20:15-21:10

2 stops17h 55m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£577

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Mon 9/11

14:05-21:10

2 stops24h 05m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£577

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Tue 26/1

20:15-21:10

2 stops41h 55m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£577

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Tue 10/11

20:15-21:10

2 stops41h 55m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£578

Flights are sorted by cheapest return flights first.

Deals found on 30/10

Showing 1-10 of 22 resultsSorted by cheapest first

Best time to book a flight from Stansted to Siem Reap

Have a flexible travel schedule? Discover the best time to fly to Siem Reap from Stansted with our price prediction graph.

STN-SAI

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Related info for your journey

What airport do you fly into for flights to Siem Reap from London Stansted?
If you book a flight to Siem Reap from London Stansted, you will be flying to Siem Reap–Angkor Intl, which is the city’s only airport. Siem Reap–Angkor Intl (SAI) is located 24.7 mi from the center of Siem Reap. There are 0 flights from London Stansted to Siem Reap–Angkor Intl per day from 0 different airlines.
How long is the flight from London Stansted Airport to Siem Reap?
Airlines like Emirates fly from London Stansted Airport to Siem Reap in about 24h 05m. The time it takes to get you to your destination can typically vary by up to . The distance from London Stansted Airport to Siem Reap is about 6068 mi.
Can I find deals for flights from Stansted to Siem Reap that include hotel bookings?
Yes. In addition to deals on Stansted to Siem Reap flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Stansted to Siem Reap?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Stansted to Siem Reap.
Can I find deals for business class flights from Stansted to Siem Reap?
Yes. Cheapflights offers flight deals from Stansted to Siem Reap by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Cheapflights makes it easy to find Stansted to Siem Reap flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

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Cheap flights from London Stansted Airport to Siem Reap, Cambodia from £306

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 21/1. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Stansted to Siem Reap

Cheapest flights from Stansted to Siem ReapExplore the most affordable flight options available from Stansted to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Explore the most affordable flight options available from Stansted to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Best flights from Stansted to Siem ReapDiscover carefully curated flight deals from Stansted to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Discover carefully curated flight deals from Stansted to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Last-minute flights from Stansted to Siem ReapDiscover last-minute flight deals from Stansted to Siem Reap. Data last updated 30 October 2026 and is based on user searches.

Discover last-minute flight deals from Stansted to Siem Reap. Data last updated 30 October 2026 and is based on user searches.

One-way flights from Stansted to Siem ReapSearch for one-way flight options from Stansted to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.

Search for one-way flight options from Stansted to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.

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Best time to book a flight from Stansted to Siem Reap

Have a flexible travel schedule? Discover the best time to fly to Siem Reap from Stansted with our price prediction graph.

Related info for your journey

What airport do you fly into for flights to Siem Reap from London Stansted?

How long is the flight from London Stansted Airport to Siem Reap?

Can I find deals for flights from Stansted to Siem Reap that include hotel bookings?

How can I find direct flights from Stansted to Siem Reap?

Can I find deals for business class flights from Stansted to Siem Reap?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Stansted to Siem Reap

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Complete your trip

Complete your trip to Siem Reap by adding a car hire and/or hotel booking to your travel itinerary.

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Stansted and Siem Reap flights

Browse other Stansted and Siem Reap flight options. Last updated on 30 October 2026.

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Cheapest flights from Stansted to Siem Reap
Explore the most affordable flight options available from Stansted to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 30 October 2026.

Best flights from Stansted to Siem Reap
Discover carefully curated flight deals from Stansted to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 30 October 2026.

Last-minute flights from Stansted to Siem Reap
Discover last-minute flight deals from Stansted to Siem Reap. Data last updated 30 October 2026 and is based on user searches.

One-way flights from Stansted to Siem Reap
Search for one-way flight options from Stansted to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 30 October 2026.