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

For as low as £1,012, Qatar Airways can have you in London Gatwick Airport from Siem Reap in 23h 45m. Siem Reap and London Gatwick Airport are separated by a distance of 6102 mi. This flight may include one or multiple stops.

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 SAI to LGW?

When flying from Siem Reap to London Gatwick Airport, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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

If you book a flight to London Gatwick from Siem Reap, you will be flying from 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 Siem Reap–Angkor Intl to London Gatwick per day from 0 different airlines.

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.

£264+ Cheap Flights from Siem Reap, Cambodia to London Gatwick Airport

Cheap flight deals from Siem Reap to Gatwick

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 20 August 2026.

Tue 15/917:55 -

3 stops23h 10m

Tue 22/911:10 -

2 stops20h 45m

Deal found 16/8£670

Tue 15/912:55 -

2 stops23h 45m

Tue 22/909:00 -

2 stops18h 00m

Deal found 16/8£1,012

Tue 15/910:30 -

1 stop26h 25m

Tue 22/913:15 -

1 stop19h 55m

Deal found 16/8£1,148

Find flight deals from Siem Reap to Gatwick

Round-trip from	£670
One-way from	£264

15/9-22/9
5 total stops
43h 55m total
Siem Reap to London

Search Deals

18/12
1 total stop
27h 15m 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.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Tue 15/9

17:55-11:05

3 stops23h 10m

London Gatwick

Tue 22/9

11:10-13:55

2 stops20h 45m

£670

Fastest return journey

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Tue 15/9

12:55-06:40

2 stops23h 45m

London Gatwick

Tue 22/9

09:00-09:00

2 stops18h 00m

£1,012

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Tue 15/9

10:30-06:55

1 stop26h 25m

London Gatwick

Tue 22/9

13:15-15:10

1 stop19h 55m

£1,148

Cheapest one-way

Fastest single journey

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Fri 18/12

16:50-13:05

1 stop27h 15m

£264

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Wed 6/1

19:10-17:45

3 stops29h 35m

£505

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Sun 30/8

22:35-06:55

3 stops38h 20m

£508

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Sat 29/8

12:55-12:35

2 stops29h 40m

£708

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Fri 1/1

13:20-20:50

2 stops38h 30m

£779

Flights are sorted by cheapest return flights first.

Deals found on 18/8

Sorted 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.

Related info for your journey

What airport do you fly from for flights from Siem Reap to London Gatwick?
If you book a flight to London Gatwick from Siem Reap, you will be flying from 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 Siem Reap–Angkor Intl to London Gatwick per day from 0 different airlines.
How long is the flight from Siem Reap to London Gatwick Airport?
For as low as £1,012, Qatar Airways can have you in London Gatwick Airport from Siem Reap in 23h 45m. Siem Reap and London Gatwick Airport are separated by a distance of 6102 mi. This flight may include one or multiple stops.
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.

See more FAQs

Hounslow

Milton Keynes

Luton

Wembley

Gatwick

Slough

Ilford

Hayes

Croydon

Colchester

Eastbourne

Brentford

Southend-on-Sea

Barnet

Enfield

Kingston upon Thames

Southall

Watford

Dover

Romford

Browse thousands of different options on Cheapflights for your next trip

Alternative routes

Complete your trip

Direct flights to England

Flights by cabin class

Gatwick flight routes

Other flight options

Popular flights

Alternative routes for Siem Reap to Gatwick

Siem Reap to Heathrow flights

Fly with Cheapflights

How does Cheapflights help users find flights from Siem Reap to Gatwick?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Siem Reap to Gatwick. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Siem Reap to Gatwick?

Millions of users choose and trust Cheapflights to book the best flight deals from Siem Reap to Gatwick for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

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

Yes, we can. To see specific flights from Siem Reap to Gatwick with no change fees, users can toggle flexible booking options after using the search form above to find flights.

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

Yes, Cheapflights offers price alerts on Siem Reap to Gatwick flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Siem Reap, Cambodia to London Gatwick Airport from £264

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/12. 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 20 August 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 20 August 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 20 August 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 20 August 2026.

Last-minute flights from Siem Reap to GatwickDiscover last-minute flight deals from Siem Reap to Gatwick. Data last updated 20 August 2026 and is based on user searches.

Discover last-minute flight deals from Siem Reap to Gatwick. Data last updated 20 August 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 20 August 2026.

Search for one-way flight options from Siem Reap to Gatwick. Find affordable one-way fares based on user searches. Data last updated 20 August 2026.

Find flight deals from Siem Reap to Gatwick

Round-trip from

One-way from

Cheapflights Fare Finder

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

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

Related info for your journey

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

How long is the flight from 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

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 20 August 2026.

Siem Reap and Gatwick flights

Browse other Siem Reap and Gatwick flight options. Last updated on 20 August 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Fly with Cheapflights

How does Cheapflights help users find flights from Siem Reap to Gatwick?

Why should you use Cheapflights to find cheap flight tickets from Siem Reap to Gatwick?

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?

100% Free

Book with Flexibility

Travel Smart

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 20 August 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 20 August 2026.

Last-minute flights from Siem Reap to Gatwick
Discover last-minute flight deals from Siem Reap to Gatwick. Data last updated 20 August 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 20 August 2026.