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Cheap flights from Siem Reap to England from £248

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 6/5. Fares are subject to change and may not be available on all flights or dates of travel.
SAI — LHR
16 Apr — 23 Apr1
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 17 March 2026.

Thu 26/319:25
SAI
-
LHR
2 stops30h 05m
Etihad Airways
Wed 6/521:45
LHR
-
SAI
2 stops29h 15m
Etihad Airways
Deal found 17/3£742
Thu 26/323:50
SAI
-
LHR
1 stop23h 20m
Multiple Airlines
Wed 6/510:00
LHR
-
SAI
2 stops26h 45m
Multiple Airlines
Deal found 17/3£812
Thu 26/323:50
SAI
-
LGW
1 stop25h 35m
Emirates
Wed 6/521:45
LGW
-
SAI
2 stops17h 45m
Emirates
Deal found 12/3£823
Thu 26/323:50
SAI
-
LHR
1 stop21h 00m
Emirates
Wed 6/516:50
LHR
-
SAI
2 stops22h 40m
Emirates
Deal found 12/3£849
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£991
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£1,010
Thu 26/322:00
SAI
-
LHR
3 stops50h 30m
China Eastern
Wed 6/521:20
LHR
-
SAI
3 stops40h 50m
China Eastern
Deal found 17/3£3,368

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 17 March 2026.
Use the filters below to find and compare flights from Siem Reap to England that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest one-way

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Fri 8/5

21:10-15:00

2 stops47h 50m

£252

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Wed 6/5

21:10-15:00

3 stops47h 50m

£252

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Fri 8/5

21:10-18:40

2 stops51h 30m

£263

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Thu 7/5

11:55-19:30

3 stops37h 35m

£301

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Wed 6/5

19:30-06:55

2 stops41h 25m

£334

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Sun 24/5

13:05-06:55

2 stops23h 50m

£338

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Sat 11/4

23:50-07:20

2 stops37h 30m

£393

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Tue 24/3

23:50-18:25

2 stops25h 35m

£394

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Sun 24/5

12:55-07:20

2 stops24h 25m

£395

Siem ReapLondon

SAI - LGW

SAILGW

Siem Reap–Angkor Intl

Tue 14/4

23:50-07:20

2 stops37h 30m

£395

Flights are sorted by cheapest return flights first.

Deals found on 15/3

Showing 1-10 of 18 resultsSorted by cheapest first
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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 are the cheapest airlines to fly from Region of Siem Reap to England one-way?

    The cheapest airline one-way is China Eastern, with whom users have recently found tickets for as low as £205. However, be on the lookout for offers from Emirates and Singapore Airlines, as they are both options that can get you from Region of Siem Reap to England for a low price.

  • 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.

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