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Cheap flights from Siem Reap to London Gatwick Airport from £316

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 5/12. Fares are subject to change and may not be available on all flights or dates of travel.
SAI — LGW
22 Jul — 29 Jul1
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 22 June 2026.

Sat 5/1222:00
SAI
-
LGW
2 stops39h 30m
China Eastern
Wed 30/1210:30
LGW
-
SAI
3 stops27h 30m
China Eastern
Deal found 22/6£650
Sat 5/1222:00
SAI
-
LGW
2 stops39h 30m
China Eastern
Thu 31/1210:30
LGW
-
SAI
2 stops51h 30m
China Eastern
Deal found 22/6£712
Sat 5/1222:00
SAI
-
LGW
3 stops39h 30m
China Eastern
Tue 29/1210:30
LGW
-
SAI
2 stops51h 30m
China Eastern
Deal found 22/6£754
Sat 5/1222:00
SAI
-
LGW
3 stops39h 30m
China Eastern
Sun 27/1217:00
LGW
-
SAI
3 stops45h 00m
China Eastern
Deal found 22/6£792
Sat 5/1223:50
SAI
-
LGW
2 stops28h 00m
Emirates
Wed 30/1223:55
LGW
-
SAI
2 stops29h 45m
Emirates
Deal found 22/6£866
Sat 5/1223:50
SAI
-
LGW
2 stops37h 50m
Emirates
Sat 26/1213:35
LGW
-
SAI
2 stops40h 05m
Emirates
Deal found 22/6£893
Sat 5/1223:50
SAI
-
LGW
2 stops37h 50m
Emirates
Mon 28/1213:35
LGW
-
SAI
2 stops40h 05m
Emirates
Deal found 22/6£903
Sat 5/1223:50
SAI
-
LGW
2 stops25h 35m
Emirates
Fri 1/109:40
LGW
-
SAI
2 stops20h 00m
Emirates
Deal found 22/6£922
Thu 2/719:20
SAI
-
LGW
2 stops30h 20m
Multiple Airlines
Thu 9/709:15
LGW
-
SAI
2 stops17h 45m
Multiple Airlines
Deal found 18/6£942
Sat 5/1210:45
SAI
-
LGW
1 stop29h 15m
Singapore Airlines
Tue 29/1213:00
LGW
-
SAI
1 stop19h 55m
Singapore Airlines
Deal found 22/6£1,122
Sun 21/612:55
SAI
-
LGW
2 stops48h 25m
Emirates
Sat 27/621:45
LGW
-
SAI
2 stops32h 30m
Emirates
Deal found 19/6£1,140

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 22 June 2026.

Round-trip from

£650

One-way from

£316
China Eastern
  • China Eastern
  • 5/12-30/12
  • 5 total stops
  • 67h 00m total
  • Siem Reap to London
Search Deals
China Eastern
  • China Eastern
  • 5/12
  • 3 total stops
  • 39h 30m 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 22 June 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

Sat 5/12

22:00-06:30

3 stops39h 30m

London Gatwick

Tue 29/12

10:30-21:00

2 stops51h 30m

£754

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Sat 5/12

22:00-06:30

3 stops39h 30m

London Gatwick

Mon 28/12

10:30-21:00

3 stops27h 30m

£754

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Sat 5/12

22:00-06:30

2 stops39h 30m

London Gatwick

Sun 27/12

17:00-21:00

3 stops45h 00m

£792

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Sat 5/12

23:50-06:40

2 stops37h 50m

London Gatwick

Sat 26/12

13:35-12:40

2 stops40h 05m

£893

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Thu 2/7

19:20-19:40

2 stops30h 20m

London Gatwick

Thu 9/7

09:15-09:00

2 stops17h 45m

£942
Fastest return journey

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Tue 8/12

19:25-05:25

1 stop17h 00m

London Gatwick

Sat 2/1

21:20-18:45

1 stop14h 25m

£1,016

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Tue 8/12

22:00-06:30

2 stops39h 30m

London Gatwick

Sat 2/1

13:35-21:45

3 stops25h 10m

£1,033

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Thu 2/7

09:40-06:40

2 stops27h 00m

London Gatwick

Thu 9/7

09:00-12:15

2 stops21h 15m

£1,203
Cheapest one-way

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Wed 19/8

21:10-19:10

2 stops28h 00m

£328
Fastest single journey

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Thu 3/9

15:35-07:05

2 stops21h 30m

£347

Flights are sorted by cheapest return flights first.

Deals found on 21/6

Showing 1-10 of 17 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 39h 30m. China Eastern provides one of the quickest options available for as low as £754. 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
Wembley
Luton
Gatwick
Croydon
Slough
Ilford
Hayes
Brentford
Colchester
Kingston upon Thames
Eastbourne
Watford
Guildford
Romford
Ipswich
Borehamwood
Folkestone
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.
Siem Reap to Gatwick flights
Siem Reap to Heathrow flights
Phnom Penh to Gatwick flights
Phnom Penh to Heathrow flights

Fly with Cheapflights

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

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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?

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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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