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Cheap flights from Siem Reap to England from £317

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 — LHR
23 Jul — 30 Jul1
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 23 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£651
Sat 5/1222:00
SAI
-
LHR
2 stops50h 30m
China Eastern
Tue 29/1221:00
LHR
-
SAI
2 stops41h 00m
China Eastern
Deal found 22/6£703
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£713
Wed 2/921:10
SAI
-
LGW
2 stops28h 00m
China Eastern
Fri 1/110:30
LGW
-
SAI
3 stops27h 30m
China Eastern
Deal found 22/6£734
Sat 5/1222:00
SAI
-
LHR
2 stops50h 30m
China Eastern
Thu 31/1221:00
LHR
-
SAI
2 stops41h 00m
China Eastern
Deal found 22/6£741
Sat 5/1222:00
SAI
-
LGW
2 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
2 stops39h 30m
China Eastern
Sun 27/1217:00
LGW
-
SAI
3 stops45h 00m
China Eastern
Deal found 22/6£792
Sun 21/619:35
SAI
-
LHR
2 stops29h 10m
Etihad Airways
Sat 27/621:45
LHR
-
SAI
2 stops29h 15m
Etihad Airways
Deal found 19/6£795
Sat 5/1219:25
SAI
-
LHR
2 stops24h 10m
Finnair
Fri 1/107:30
LHR
-
SAI
2 stops22h 10m
Finnair
Deal found 22/6£809
Sat 5/1219:25
SAI
-
LHR
2 stops24h 10m
Finnair
Wed 30/1216:15
LHR
-
SAI
2 stops37h 25m
Finnair
Deal found 22/6£811
Wed 2/919:35
SAI
-
LHR
2 stops31h 05m
Multiple Airlines
Fri 1/107:30
LHR
-
SAI
2 stops22h 10m
Multiple Airlines
Deal found 22/6£830
Sat 5/1219:25
SAI
-
LHR
2 stops20h 45m
Finnair
Sun 27/1210:20
LHR
-
SAI
2 stops19h 20m
Finnair
Deal found 22/6£839

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 23 June 2026.

Round-trip from

£651

One-way from

£317
China Eastern
  • China Eastern
  • 5/12-30/12
  • 5 total stops
  • 67h 00m total
  • Siem Reap to England
Search Deals
China Eastern
  • China Eastern
  • 5/12
  • 3 total stops
  • 39h 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 23 June 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 return flight

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Sat 5/12

22:00-17:30

2 stops50h 30m

London Heathrow

Tue 29/12

21:00-21:00

2 stops41h 00m

£703

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Sat 5/12

22:00-17:30

2 stops50h 30m

London Heathrow

Thu 31/12

21:00-21:00

2 stops41h 00m

£741

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

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

2 stops39h 30m

London Gatwick

Sun 27/12

17:00-21:00

3 stops45h 00m

£792

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Sat 5/12

19:25-12:35

2 stops24h 10m

London Heathrow

Wed 30/12

16:15-12:40

2 stops37h 25m

£811
Fastest return journey

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Sat 5/12

19:25-09:10

2 stops20h 45m

London Heathrow

Sun 27/12

10:20-12:40

2 stops19h 20m

£839

Siem ReapLondon

SAI - LHR

SAILHR

Siem Reap–Angkor Intl

Sat 5/12

19:25-15:15

2 stops26h 50m

London Heathrow

Sat 26/12

16:15-12:40

2 stops37h 25m

£841

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

Flights are sorted by cheapest return flights first.

Deals found on 22/6

Showing 1-10 of 31 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.

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

    There are many flights that can get you from Region of Siem Reap to England in 24h 10m. Fly via China Eastern or Finnair to get the fastest option. The distance between Region of Siem Reap and England is about 6106 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

  • 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

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Deals for Siem Reap to England flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Siem Reap to England.

Can Cheapflights find flights from Siem Reap to England with no change fees?

Yes! Cheapflights helps users easily find flights from Siem Reap to England with no change fees.

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

Of course! You can now track prices for flights from Siem Reap to England 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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