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Cheap flights from Siem Reap, Cambodia to London Gatwick Airport from £307

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 11/6. Fares are subject to change and may not be available on all flights or dates of travel.
SAI — LGW
6 Jul — 13 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 6 June 2026.

Wed 15/721:10
SAI
-
LGW
2 stops47h 50m
China Eastern
Wed 5/811:35
LGW
-
SAI
2 stops50h 35m
China Eastern
Deal found 3/6£706
Wed 8/721:10
SAI
-
LGW
2 stops39h 30m
China Eastern
Mon 3/811:35
LGW
-
SAI
2 stops50h 35m
China Eastern
Deal found 3/6£743
Fri 10/721:10
SAI
-
LGW
2 stops39h 30m
China Eastern
Tue 4/811:35
LGW
-
SAI
2 stops26h 35m
China Eastern
Deal found 3/6£784
Fri 19/612:55
SAI
-
LGW
2 stops36h 50m
Emirates
Tue 23/621:45
LGW
-
SAI
2 stops32h 30m
Emirates
Deal found 3/6£799
Thu 9/723:50
SAI
-
LGW
2 stops18h 45m
Emirates
Sun 2/823:55
LGW
-
SAI
2 stops39h 35m
Emirates
Deal found 3/6£827
Mon 13/712:55
SAI
-
LGW
2 stops24h 25m
Emirates
Sun 2/823:55
LGW
-
SAI
2 stops39h 35m
Emirates
Deal found 3/6£828
Fri 5/613:05
SAI
-
LGW
2 stops48h 15m
Emirates
Sat 20/621:45
LGW
-
SAI
2 stops32h 30m
Emirates
Deal found 4/6£830
Tue 30/623:50
SAI
-
LGW
2 stops37h 30m
Emirates
Wed 29/710:05
LGW
-
SAI
2 stops29h 25m
Emirates
Deal found 3/6£836
Sun 28/612:55
SAI
-
LGW
2 stops24h 25m
Emirates
Tue 28/723:55
LGW
-
SAI
2 stops39h 35m
Emirates
Deal found 2/6£847
Sun 12/710:00
SAI
-
LGW
2 stops27h 20m
Multiple Airlines
Tue 4/810:05
LGW
-
SAI
2 stops22h 45m
Multiple Airlines
Deal found 3/6£853
Thu 9/723:50
SAI
-
LGW
2 stops25h 55m
Emirates
Fri 31/721:45
LGW
-
SAI
2 stops17h 45m
Emirates
Deal found 3/6£854
Mon 13/712:55
SAI
-
LGW
2 stops29h 40m
Emirates
Thu 6/823:55
LGW
-
SAI
2 stops39h 35m
Emirates
Deal found 3/6£854

Find flight deals from Siem Reap to Gatwick

Discover tips and strategies to find the most affordable flight options for your journey from Siem Reap (SAI) to Gatwick (LGW). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 6 June 2026.

Round-trip from

£706

One-way from

£307
China Eastern
  • China Eastern
  • 15/7-4/8
  • 4 total stops
  • 74h 25m total
  • Siem Reap to London
Search Deals
11/6
  • 11/6
  • 2 total stops
  • 24h 00m 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 6 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

Thu 9/7

23:50-19:45

2 stops25h 55m

London Gatwick

Sun 2/8

23:55-21:30

2 stops39h 35m

£827

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Tue 14/7

23:50-19:45

2 stops25h 55m

London Gatwick

Sun 2/8

23:55-21:30

2 stops39h 35m

£827

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Sun 28/6

12:55-07:20

2 stops24h 25m

London Gatwick

Tue 28/7

23:55-21:30

2 stops39h 35m

£847

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Fri 10/7

12:55-07:20

2 stops24h 25m

London Gatwick

Sun 2/8

23:55-21:30

2 stops39h 35m

£855

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Tue 30/6

23:50-19:45

2 stops25h 55m

London Gatwick

Wed 29/7

21:45-21:30

2 stops17h 45m

£862

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Sun 28/6

12:55-07:20

2 stops24h 25m

London Gatwick

Mon 29/6

10:05-12:15

2 stops20h 10m

£971
Fastest return journey

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Sun 28/6

17:20-07:25

2 stops20h 05m

London Gatwick

Mon 29/6

16:20-18:55

3 stops20h 35m

£983

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Wed 8/7

12:55-07:20

2 stops24h 25m

London Gatwick

Fri 31/7

10:05-12:15

2 stops20h 10m

£1,140

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Tue 30/6

17:20-07:25

2 stops20h 05m

London Gatwick

Wed 29/7

15:45-21:30

3 stops23h 45m

£1,152

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Mon 13/7

10:30-09:30

1 stop29h 00m

London Gatwick

Mon 3/8

13:10-09:40

1 stop38h 30m

£1,362

Flights are sorted by cheapest return flights first.

Deals found on 4/6

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.

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.

  • 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 £827, Emirates can have you in London Gatwick Airport from Siem Reap in 25h 55m. Siem Reap and London Gatwick Airport are separated by 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
Ilford
Slough
Hayes
Brentford
Colchester
Kingston upon Thames
Eastbourne
Watford
Ipswich
Romford
Guildford
Borehamwood
Folkestone
Southall

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.
Siem Reap to Heathrow 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 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.

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