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 24h 25m. Emirates provides one of the quickest options available for as low as £672. Airlines will cover a distance of 6102 mi.

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.

£227+ 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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Best

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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 6 November 2026.

Sat 26/1216:50 -

1 stop30h 05m

Sun 17/111:35 -

2 stops38h 40m

Deal found 5/11£664

Sat 26/1223:50 -

2 stops28h 00m

Sun 17/120:25 -

2 stops41h 45m

Deal found 5/11£673

Wed 4/1113:20 -

2 stops48h 20m

Tue 17/1123:55 -

2 stops38h 15m

Deal found 2/11£690

Sat 26/1221:05 -

3 stops47h 55m

Sun 17/110:30 -

2 stops50h 35m

Deal found 5/11£702

Thu 12/1120:30 -

2 stops24h 30m

Mon 14/1206:30 -

3 stops25h 20m

Deal found 1/11£715

Thu 12/1113:20 -

2 stops29h 20m

Mon 14/1209:40 -

2 stops20h 00m

Deal found 1/11£809

Wed 4/1116:50 -

1 stop20h 35m

Tue 17/1109:20 -

1 stop17h 35m

Deal found 2/11£874

Mon 16/1119:25 -

2 stops41h 30m

Fri 20/1108:40 -

2 stops26h 50m

Deal found 3/11£1,003

Wed 4/1119:25 -

2 stops41h 30m

Tue 17/1108:40 -

2 stops26h 50m

Deal found 4/11£1,022

Find flight deals from Siem Reap to Gatwick

Round-trip from	£646
One-way from	£227

China Eastern
5/5-19/5
4 total stops
92h 00m total
Siem Reap to London

Search Deals

26/12-31/12
1 total stop
30h 05m 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

Mon 18/1

19:05-07:10

2 stops43h 05m

London Gatwick

Wed 31/12

00:00-06:00

Nonstop0h 00m

£243

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Sun 21/2

19:05-14:00

2 stops25h 55m

London Gatwick

Wed 31/12

00:00-06:00

Nonstop0h 00m

£249

Fastest return journey

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Tue 26/1

23:50-11:40

2 stops18h 50m

London Gatwick

Wed 31/12

00:00-06:00

Nonstop0h 00m

£321

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Fri 12/3

17:40-13:40

2 stops27h 00m

London Gatwick

Wed 31/12

00:00-06:00

Nonstop0h 00m

£321

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Thu 28/1

23:50-06:40

2 stops37h 50m

London Gatwick

Wed 31/12

00:00-06:00

Nonstop0h 00m

£321

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Tue 16/3

23:50-06:40

2 stops37h 50m

London Gatwick

Wed 31/12

00:00-06:00

Nonstop0h 00m

£321

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Tue 2/3

13:20-20:50

2 stops38h 30m

London Gatwick

Wed 31/12

00:00-06:00

Nonstop0h 00m

£350

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Mon 15/3

13:20-06:40

2 stops48h 20m

London Gatwick

Wed 31/12

00:00-06:00

Nonstop0h 00m

£350

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Mon 25/1

19:05-23:55

3 stops35h 50m

London Gatwick

Wed 31/12

00:00-06:00

Nonstop0h 00m

£359

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Sun 14/2

17:40-15:35

1 stop28h 55m

London Gatwick

Wed 31/12

00:00-06:00

Nonstop0h 00m

£364

Flights are sorted by cheapest return flights first.

Deals found on 2/11

Showing 1-10 of 23 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 24h 25m. Emirates provides one of the quickest options available for as low as £672. Airlines will cover a distance of 6102 mi.
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 £227

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 26/12. 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 6 November 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 6 November 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 6 November 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 6 November 2026.

Last-minute flights from Siem Reap to GatwickDiscover last-minute flight deals from Siem Reap to Gatwick. Data last updated 6 November 2026 and is based on user searches.

Discover last-minute flight deals from Siem Reap to Gatwick. Data last updated 6 November 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 6 November 2026.

Search for one-way flight options from Siem Reap to Gatwick. Find affordable one-way fares based on user searches. Data last updated 6 November 2026.

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

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?

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Alternative routes for Siem Reap to Gatwick

See prices for flight routes from nearby airports that may be better suited for you.

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 6 November 2026.

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Can Cheapflights find flights from Siem Reap to Gatwick with no change fees?

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 6 November 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 6 November 2026.

Last-minute flights from Siem Reap to Gatwick
Discover last-minute flight deals from Siem Reap to Gatwick. Data last updated 6 November 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 6 November 2026.