How long is the flight from Region of Siem Reap to London Gatwick Airport?

A quick flight from Region of Siem Reap to London Gatwick Airport can take about 16h 25m. Emirates provides one of the quickest options available for as low as £1,035. Airlines will cover a distance of 6102 mi. Both multi-stop and direct flights can be found to your destination and back.

In terms of precipitation, rainfall in London Gatwick Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Gatwick Airport when rainfall is around 40.0 mm.

If weather is an important factor for your trip to London Gatwick Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

What is the cheapest time of day to fly from SI to LGW?

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

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

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

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

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

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

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

£292+ Cheap Flights from Siem Reap to London Gatwick Airport

Cheap flight deals from Siem Reap to Gatwick

Enter your travel dates to find the best prices.

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Cheapest flights from Siem Reap to Gatwick
Explore the most affordable flight options available from Siem Reap to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Wed 16/919:35 -

2 stops41h 20m

Wed 23/911:00 -

2 stops24h 10m

Deal found 7/9£661

Mon 7/1216:50 -

1 stop35h 00m

Wed 10/210:40 -

2 stops24h 25m

Deal found 10/9£664

Wed 16/912:55 -

2 stops29h 40m

Wed 23/914:35 -

1 stop24h 55m

Deal found 7/9£691

Thu 24/923:50 -

2 stops25h 55m

Sat 3/1009:05 -

2 stops21h 10m

Deal found 9/9£754

Mon 7/1213:20 -

2 stops29h 20m

Wed 10/213:35 -

2 stops24h 35m

Deal found 10/9£836

Fri 25/916:55 -

3 stops25h 40m

Sat 3/1009:45 -

2 stops23h 05m

Deal found 9/9£855

Fri 25/919:30 -

1 stop16h 25m

Sat 3/1022:15 -

1 stop14h 30m

Deal found 9/9£1,035

Find flight deals from Siem Reap to Gatwick

Round-trip from	£664
One-way from	£292

7/12-10/2
3 total stops
59h 25m total
Siem Reap to London

Search Deals

29/11-31/12
2 total stops
25h 55m total
Siem Reap to London

Search Deals

Cheapflights Fare Finder

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

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Route

Depart

Return

Price

Cheapest return flight

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Fri 25/9

19:35-06:55

2 stops41h 20m

London Gatwick

Wed 31/12

00:00-06:00

Nonstop0h 00m

£318

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Sat 19/9

23:50-07:20

2 stops37h 30m

London Gatwick

Wed 31/12

00:00-06:00

Nonstop0h 00m

£319

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Sun 20/9

12:55-12:35

2 stops29h 40m

London Gatwick

Wed 31/12

00:00-06:00

Nonstop0h 00m

£319

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Fri 25/9

12:55-07:20

2 stops24h 25m

London Gatwick

Wed 31/12

00:00-06:00

Nonstop0h 00m

£347

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Mon 21/9

12:55-07:20

2 stops24h 25m

London Gatwick

Wed 31/12

00:00-06:00

Nonstop0h 00m

£347

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Mon 7/12

16:50-20:50

1 stop35h 00m

London Gatwick

Wed 10/2

10:40-18:05

2 stops24h 25m

£664

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Mon 21/9

10:30-09:30

1 stop29h 00m

London Gatwick

Wed 31/12

00:00-06:00

Nonstop0h 00m

£750

Fastest return journey

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Sun 20/9

19:30-05:55

1 stop16h 25m

London Gatwick

Wed 31/12

00:00-06:00

Nonstop0h 00m

£767

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Fri 25/9

19:30-05:55

1 stop16h 25m

London Gatwick

Wed 31/12

00:00-06:00

Nonstop0h 00m

£767

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Wed 23/9

19:30-05:55

1 stop16h 25m

London Gatwick

Wed 31/12

00:00-06:00

Nonstop0h 00m

£767

Flights are sorted by cheapest return flights first.

Deals found on 8/9

Showing 1-10 of 15 resultsSorted by cheapest first

Best time to book a flight from Siem Reap to Gatwick

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

SAI-LGW

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.

Cheapflights Insights

Everything you need to know about your flight from Siem Reap to London Gatwick Airport

KHSI-LGW

SAI-LGW

No data available for this route at this time. Please check back soon.

Related info for your journey

How long is the flight from Region of Siem Reap to London Gatwick Airport?
A quick flight from Region of Siem Reap to London Gatwick Airport can take about 16h 25m. Emirates provides one of the quickest options available for as low as £1,035. Airlines will cover a distance of 6102 mi. Both multi-stop and direct flights can be found to your destination and back.
Can I find deals for flights from Siem Reap to Gatwick that include hotel bookings?
Yes. In addition to deals on Siem Reap to Gatwick flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Siem Reap to Gatwick?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Siem Reap to Gatwick.
Can I find deals for business class flights from Siem Reap to Gatwick?
Yes. Cheapflights offers flight deals from Siem Reap to Gatwick 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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Cheap flights from Siem Reap to London Gatwick Airport from £292

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 29/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Siem Reap to Gatwick

Cheapest flights from Siem Reap to GatwickExplore the most affordable flight options available from Siem Reap to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Explore the most affordable flight options available from Siem Reap to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Best flights from Siem Reap to GatwickDiscover carefully curated flight deals from Siem Reap to Gatwick that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Discover carefully curated flight deals from Siem Reap to Gatwick that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Last-minute flights from Siem Reap to GatwickDiscover last-minute flight deals from Siem Reap to Gatwick. Data last updated 10 September 2026 and is based on user searches.

Discover last-minute flight deals from Siem Reap to Gatwick. Data last updated 10 September 2026 and is based on user searches.

One-way flights from Siem Reap to GatwickSearch for one-way flight options from Siem Reap to Gatwick. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

Search for one-way flight options from Siem Reap to Gatwick. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

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Best time to book a flight from Siem Reap to Gatwick

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Related info for your journey

How long is the flight from Region of Siem Reap to London Gatwick Airport?

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

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

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

Travelling to a place near London Gatwick Airport?

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Siem Reap to Gatwick

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Complete your trip

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

Direct flights to England

Book a non-stop flight to one of these other cities located in England.

Search flights from Siem Reap to Gatwick by cabin class

Find flights from Siem Reap to Gatwick, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Other flights to Gatwick

Explore flights to Gatwick departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 10 September 2026.

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Can Cheapflights notify me if prices for flights from Siem Reap to Gatwick become cheaper?

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Cheapest flights from Siem Reap to Gatwick
Explore the most affordable flight options available from Siem Reap to Gatwick. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 10 September 2026.

Best flights from Siem Reap to Gatwick
Discover carefully curated flight deals from Siem Reap to Gatwick that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 10 September 2026.

Last-minute flights from Siem Reap to Gatwick
Discover last-minute flight deals from Siem Reap to Gatwick. Data last updated 10 September 2026 and is based on user searches.

One-way flights from Siem Reap to Gatwick
Search for one-way flight options from Siem Reap to Gatwick. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.