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Cheap flights from Siem Reap to London Gatwick Airport from £319

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 1/4. Fares are subject to change and may not be available on all flights or dates of travel.
SAI — LGW
12 Apr — 19 Apr1
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 13 March 2026.

Sat 13/623:50
SAI
-
LGW
2 stops27h 40m
Emirates
Tue 30/610:05
LGW
-
SAI
2 stops20h 10m
Emirates
Deal found 11/3£758
Sun 14/612:55
SAI
-
LGW
2 stops24h 25m
Emirates
Tue 30/610:05
LGW
-
SAI
2 stops20h 10m
Emirates
Deal found 11/3£758
Sat 13/623:50
SAI
-
LGW
2 stops18h 45m
Emirates
Mon 29/621:45
LGW
-
SAI
2 stops17h 45m
Emirates
Deal found 11/3£781
Sun 14/612:55
SAI
-
LGW
2 stops24h 25m
Emirates
Mon 29/621:45
LGW
-
SAI
2 stops17h 45m
Emirates
Deal found 11/3£782
Sat 13/623:50
SAI
-
LGW
2 stops18h 45m
Emirates
Wed 1/710:05
LGW
-
SAI
2 stops20h 10m
Emirates
Deal found 11/3£805
Sun 14/612:55
SAI
-
LGW
2 stops24h 25m
Emirates
Wed 1/710:05
LGW
-
SAI
2 stops20h 10m
Emirates
Deal found 11/3£806
Thu 26/323:50
SAI
-
LGW
1 stop25h 35m
Emirates
Wed 6/521:45
LGW
-
SAI
2 stops17h 45m
Emirates
Deal found 12/3£818
Sun 14/613:00
SAI
-
LGW
3 stops23h 40m
Multiple Airlines
Tue 30/623:55
LGW
-
SAI
2 stops39h 35m
Multiple Airlines
Deal found 11/3£956
Sun 14/610:30
SAI
-
LGW
1 stop26h 25m
Singapore Airlines
Tue 30/610:05
LGW
-
SAI
1 stop17h 35m
Singapore Airlines
Deal found 11/3£973
Thu 26/323:50
SAI
-
LGW
1 stop25h 35m
Multiple Airlines
Wed 6/510:00
LGW
-
SAI
1 stop17h 40m
Multiple Airlines
Deal found 12/3£984
Thu 26/322:00
SAI
-
LGW
3 stops47h 00m
China Eastern
Wed 6/518:00
LGW
-
SAI
2 stops44h 10m
China Eastern
Deal found 12/3£1,004

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 13 March 2026.

Round-trip from

£758

One-way from

£319
Emirates
  • Emirates
  • 13/6-30/6
  • 4 total stops
  • 47h 50m total
  • Siem Reap to London
Search Deals
1/4
  • 1/4
  • 3 total stops
  • 41h 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 13 March 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 13/6

23:50-21:30

2 stops27h 40m

London Gatwick

Tue 30/6

10:05-12:15

2 stops20h 10m

£758
Fastest return journey

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Sat 13/6

23:50-12:35

2 stops18h 45m

London Gatwick

Mon 29/6

21:45-21:30

2 stops17h 45m

£781

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Mon 15/6

12:55-07:20

2 stops24h 25m

London Gatwick

Mon 29/6

21:45-21:30

2 stops17h 45m

£782

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Sun 14/6

12:55-07:20

2 stops24h 25m

London Gatwick

Wed 1/7

10:05-12:15

2 stops20h 10m

£806

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Fri 27/3

16:50-11:40

3 stops25h 50m

London Gatwick

Fri 3/4

11:35-18:05

2 stops24h 30m

£1,037

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Fri 27/3

13:20-06:40

2 stops24h 20m

London Gatwick

Fri 3/4

21:45-21:30

2 stops17h 45m

£1,043

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Mon 15/6

10:30-06:55

1 stop26h 25m

London Gatwick

Mon 29/6

10:05-09:40

1 stop17h 35m

£1,091

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Sun 14/6

16:00-06:55

1 stop20h 55m

London Gatwick

Wed 1/7

10:00-09:40

1 stop17h 40m

£1,091
Cheapest one-way

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Sat 4/4

23:50-19:45

2 stops25h 55m

£393

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Thu 19/3

23:50-18:25

2 stops25h 35m

£393

Flights are sorted by cheapest return flights first.

Deals found on 12/3

Showing 1-10 of 16 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 27h 40m. Emirates provides one of the quickest options available for as low as £758. 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
Milton Keynes
Wembley
Croydon
Luton
Hounslow
Slough
Gatwick
Ilford
Hayes
Brentford
Colchester
Guildford
Watford
Kingston upon Thames
Chelmsford
Eastbourne
Ipswich
Bedford
Romford
Southend-on-Sea

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?

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

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