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Cheap flights from Siem Reap to London Gatwick Airport from £254

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 15/10. Fares are subject to change and may not be available on all flights or dates of travel.
SAI — LGW
13 Sep — 20 Sep1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Siem Reap to Gatwick

Enter your travel dates to find the best prices.

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 14 August 2026.

Sat 19/1222:00 -
2 stops47h 00m
Fri 1/110:30 -
3 stops27h 30m
Deal found 10/8£636
Wed 9/917:55 -
2 stops30h 10m
Fri 18/916:15 -
3 stops34h 45m
Deal found 13/8£655
Sat 12/911:30 -
3 stops29h 25m
Sat 19/911:00 -
2 stops24h 50m
Deal found 13/8£672
Wed 16/1216:50 -
1 stop27h 15m
Fri 1/109:50 -
1 stop23h 15m
Deal found 10/8£689
Fri 18/1216:50 -
1 stop27h 15m
Fri 1/109:50 -
1 stop23h 15m
Deal found 10/8£696
Thu 13/819:05 -
2 stops30h 05m
Thu 3/911:35 -
2 stops24h 30m
Deal found 9/8£700
Wed 16/1216:50 -
1 stop27h 15m
Mon 4/117:35 -
1 stop15h 30m
Deal found 10/8£703
Fri 18/1216:50 -
1 stop27h 15m
Mon 4/117:35 -
1 stop15h 30m
Deal found 10/8£710
Sat 19/1222:00 -
2 stops47h 00m
Thu 31/1210:30 -
2 stops51h 30m
Deal found 10/8£714

Find flight deals from Siem Reap to Gatwick

Keep the following information in mind while searching for Siem Reap to Gatwick flight deals. Data was last updated 14 August 2026.

Round-trip from

£636

One-way from

£254
China Eastern
  • China Eastern
  • 19/12-1/1
  • 5 total stops
  • 74h 30m total
  • Siem Reap to London
Search Deals
15/10
  • 15/10
  • 2 total stops
  • 41h 25m total
  • Siem Reap to London
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Siem Reap to Gatwick that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 14 August 2026.
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

Wed 9/9

19:20-18:05

2 stops28h 45m

London Gatwick

Fri 18/9

11:00-17:50

2 stops24h 50m

£666

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Sat 12/9

11:30-10:55

3 stops29h 25m

London Gatwick

Sat 19/9

11:00-17:50

2 stops24h 50m

£672

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Mon 21/12

13:20-18:25

2 stops36h 05m

London Gatwick

Thu 31/12

23:55-21:10

2 stops38h 15m

£842

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Tue 12/1

23:50-18:25

2 stops25h 35m

London Gatwick

Tue 26/1

23:55-12:40

2 stops29h 45m

£852

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Tue 15/12

23:50-18:25

2 stops25h 35m

London Gatwick

Wed 30/12

09:40-12:40

2 stops20h 00m

£876

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Sun 20/12

13:20-11:40

2 stops29h 20m

London Gatwick

Fri 1/1

09:40-21:10

2 stops28h 30m

£883
Fastest return journey

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Fri 18/12

13:20-06:40

2 stops24h 20m

London Gatwick

Wed 30/12

09:40-12:40

2 stops20h 00m

£904

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Mon 21/12

13:20-11:40

2 stops29h 20m

London Gatwick

Tue 29/12

23:55-12:40

2 stops29h 45m

£904

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Sat 12/9

10:30-06:55

1 stop50h 25m

London Gatwick

Sat 19/9

13:00-15:10

1 stop20h 10m

£1,180
Cheapest one-way

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Sun 6/12

16:50-15:35

1 stop29h 45m

£283

Flights are sorted by cheapest return flights first.

Deals found on 9/8

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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.
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

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

Related info for your journey

Find useful and relevant information for your journey from Siem Reap to Gatwick. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • 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 36h 05m. Emirates provides one of the quickest options available for as low as £842. 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.

See more FAQs

Travelling to a place near London Gatwick Airport?

Book flights to London Gatwick Airport if you plan to visit one of these locations
Hounslow
Milton Keynes
Luton
Gatwick
Wembley
Ilford
Slough
Hayes
Croydon
Colchester
Brentford
Eastbourne
Watford
Southend-on-Sea
Enfield
Kingston upon Thames
Southall
Dover
Romford
Borehamwood

Browse thousands of different options on Cheapflights for your next trip

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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.
Siem Reap to Heathrow flights
Siem Reap to Gatwick flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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

Cheapflights makes it easy to find Siem Reap to Gatwick 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.

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

Cheapflights simply makes it quick and affordable to book flights from Siem Reap to Gatwick by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

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

Yes! Cheapflights helps users easily 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?

Of course! You can now track prices for flights from Siem Reap to Gatwick and get an alert from Cheapflights when they change. Have a valid email address ready and click the bell icon next to the flight deals above to set up your price alerts.

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