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Cheap flights from Siem Reap, Cambodia to England 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 14/3. Fares are subject to change and may not be available on all flights or dates of travel.
SAI — LHR
11 Mar — 18 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Siem Reap to England

Enter your travel dates to find the best prices.

Cheapest flights from Siem Reap to England
Explore the most affordable flight options available from Siem Reap to England. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 9 February 2026.

Mon 20/419:25
SAI
-
LHR
2 stops43h 45m
Multiple Airlines
Thu 30/418:10
LHR
-
SAI
2 stops36h 05m
Multiple Airlines
Deal found 6/2£797
Sun 21/612:55
SAI
-
LHR
2 stops24h 10m
Emirates
Mon 27/719:50
LHR
-
SAI
2 stops34h 25m
Emirates
Deal found 7/2£811
Mon 20/410:30
SAI
-
LHR
1 stop39h 00m
Singapore Airlines
Thu 30/420:35
LHR
-
SAI
1 stop31h 05m
Singapore Airlines
Deal found 6/2£919
Sun 21/614:55
SAI
-
LHR
3 stops21h 30m
Multiple Airlines
Mon 27/709:30
LHR
-
SAI
2 stops20h 45m
Multiple Airlines
Deal found 7/2£968
Sun 21/616:00
SAI
-
LGW
1 stop20h 55m
Singapore Airlines
Mon 27/710:15
LGW
-
SAI
1 stop17h 25m
Singapore Airlines
Deal found 7/2£973
Sun 21/612:55
SAI
-
LGW
2 stops32h 15m
Multiple Airlines
Mon 27/711:35
LGW
-
SAI
2 stops25h 10m
Multiple Airlines
Deal found 7/2£978
Sun 21/616:00
SAI
-
LHR
1 stop29h 45m
Singapore Airlines
Mon 27/711:20
LHR
-
SAI
1 stop16h 20m
Singapore Airlines
Deal found 7/2£1,046

Find flight deals from Siem Reap to England

Keep the following information in mind while searching for Siem Reap to England flight deals. Data was last updated 9 February 2026.

Round-trip from

£797

One-way from

£254
20/4-30/4
  • 20/4-30/4
  • 4 total stops
  • 79h 50m total
  • Siem Reap to England
Search Deals
China Eastern
  • China Eastern
  • 14/3
  • 2 total stops
  • 50h 30m total
  • Siem Reap to England
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Siem Reap to England 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 9 February 2026.
Use the filters below to find and compare flights from Siem Reap to England that are best for you.

Fly from

Siem Reap

Fly to

England

Route

Depart

Return

Price

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Mon 20/4

19:25-09:10

2 stops43h 45m

London Heathrow

Thu 30/4

18:10-12:15

2 stops36h 05m

£797

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Sun 21/6

12:55-07:05

2 stops24h 10m

London Heathrow

Mon 27/7

19:50-12:15

2 stops34h 25m

£811

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Mon 20/4

10:30-19:30

1 stop39h 00m

London Heathrow

Thu 30/4

20:35-09:40

1 stop31h 05m

£919

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Sun 21/6

14:55-06:25

3 stops21h 30m

London Heathrow

Mon 27/7

09:30-12:15

2 stops20h 45m

£968

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Sun 21/6

16:00-06:55

1 stop20h 55m

London Gatwick

Mon 27/7

10:15-09:40

1 stop17h 25m

£973

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Sun 21/6

12:55-15:10

2 stops32h 15m

London Gatwick

Mon 27/7

11:35-18:45

2 stops25h 10m

£978

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Sun 21/6

16:00-15:45

1 stop29h 45m

London Heathrow

Mon 27/7

11:20-09:40

1 stop16h 20m

£1,046

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Sat 14/3

22:00-17:30

3 stops50h 30m

£254

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Tue 31/3

14:55-01:05

3 stops40h 10m

£283

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Tue 31/3

14:55-19:30

2 stops34h 35m

£302

Flights are sorted by cheapest return flights first.

Deals found on 6/2

Showing 1-10 of 22 results
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Best time to book a flight from Siem Reap to England

Have a flexible travel schedule? Discover the best time to fly to England 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 England
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 England. 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 England?

    Most people fly from Siem Reap–Angkor Intl (SAI) if they book a flight from Siem Reap to England. Siem Reap–Angkor Intl is conveniently located just 24.7 mi from Siem Reap’s city center.

  • How long is the flight from Siem Reap to England?

    Departing from Siem Reap to England will take you 24h 10m. There are 6106 mi between Siem Reap and England. This flight may include one or multiple stops.

  • What are the cheapest airlines to fly from Siem Reap to England one-way?

    One-way options have recently been found by users for as low as £200 on China Eastern. Other airlines that offer cheap prices include Emirates from £386 and Thai Airways from £398 one-way.

  • Can I find deals for flights from Siem Reap to England that include hotel bookings?

    Yes. In addition to deals on Siem Reap to England flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Siem Reap to England?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Siem Reap to England.

  • Can I find deals for business class flights from Siem Reap to England?

    Yes. Cheapflights offers flight deals from Siem Reap to England 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

Browse thousands of different options on Cheapflights for your next trip

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Alternative routes for Siem Reap to England

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

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

Cheapflights makes it easy to find Siem Reap to England 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 England?

Millions of users choose and trust Cheapflights to book the best flight deals from Siem Reap to England 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 England with no change fees?

Certainly. Search results for flights to England from Siem Reap shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Siem Reap to England become cheaper?

Yes! Start tracking prices for Siem Reap to England flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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