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Cheap flights from Siem Reap to London Gatwick Airport from £318

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 12/10. Fares are subject to change and may not be available on all flights or dates of travel.
SAI — LGW
9 Jun — 16 Jun1
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 10 May 2026.

Sun 24/513:05
SAI
-
LGW
2 stops36h 40m
Emirates
Sun 31/514:35
LGW
-
SAI
2 stops39h 45m
Emirates
Deal found 8/5£761
Sun 24/512:25
SAI
-
LGW
2 stops32h 35m
Multiple Airlines
Sun 31/513:55
LGW
-
SAI
3 stops23h 10m
Multiple Airlines
Deal found 8/5£1,043
Sun 24/516:00
SAI
-
LGW
1 stop20h 55m
Singapore Airlines
Sun 31/510:10
LGW
-
SAI
1 stop17h 30m
Singapore Airlines
Deal found 8/5£2,016

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 10 May 2026.

Round-trip from

£761

One-way from

£318
Emirates
  • Emirates
  • 24/5-31/5
  • 4 total stops
  • 76h 25m total
  • Siem Reap to London
Search Deals
12/10
  • 12/10
  • 2 total stops
  • 27h 20m 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 10 May 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 - LGW

SAILGW

Siem Reap–Angkor Intl

Sun 24/5

13:05-19:45

2 stops36h 40m

London Gatwick

Sun 31/5

14:35-12:20

2 stops39h 45m

£761

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Sun 24/5

12:25-15:00

2 stops32h 35m

London Gatwick

Sun 31/5

13:55-19:05

3 stops23h 10m

£1,043
Fastest return journey

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Sun 24/5

16:00-06:55

1 stop20h 55m

London Gatwick

Sun 31/5

10:10-09:40

1 stop17h 30m

£2,016
Cheapest one-way

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Sun 21/6

19:05-06:35

3 stops41h 30m

£354

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Tue 16/6

15:10-06:40

3 stops21h 30m

£366
Fastest single journey

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Thu 18/6

23:50-12:35

2 stops18h 45m

£404

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Sun 24/5

13:05-07:20

2 stops48h 15m

£405

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Fri 19/6

12:55-12:35

2 stops29h 40m

£405

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Sat 15/8

15:35-07:25

2 stops21h 50m

£420

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Wed 12/8

21:10-06:40

3 stops39h 30m

£421

Flights are sorted by cheapest return flights first.

Deals found on 7/5

Showing 1-10 of 12 resultsSorted by cheapest first
1
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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 20h 55m. Emirates provides one of the quickest options available for as low as £2,016. 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.

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
Milton Keynes
Hounslow
Croydon
Wembley
Luton
Gatwick
Ilford
Slough
Hayes
Brentford
Colchester
Romford
Watford
Kingston upon Thames
Eastbourne
Ipswich
Southend-on-Sea
Guildford
Chelmsford
Southall

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.
Phnom Penh to Gatwick flights
Phnom Penh to Heathrow flights
Siem Reap to Gatwick flights
Siem Reap to Heathrow flights

Fly with Cheapflights

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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?

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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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