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Cheap flights from Siem Reap to England from £252

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 17/10. Fares are subject to change and may not be available on all flights or dates of travel.
SAI — LHR
13 Sep — 20 Sep1
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 14 August 2026.

Sat 19/1222:00 -
2 stops47h 00m
Fri 1/110:30 -
3 stops27h 30m
Deal found 10/8£636
Wed 9/917:55 -
2 stops30h 10m
Fri 18/916:15 -
3 stops34h 45m
Deal found 13/8£655
Sat 12/911:30 -
3 stops29h 25m
Sat 19/911:00 -
2 stops24h 50m
Deal found 13/8£672
Wed 16/1216:50 -
1 stop27h 15m
Fri 1/109:50 -
1 stop23h 15m
Deal found 10/8£689
Fri 18/1216:50 -
1 stop27h 15m
Fri 1/109:50 -
1 stop23h 15m
Deal found 10/8£696
Wed 9/909:40 -
2 stops35h 40m
Fri 18/912:35 -
2 stops26h 35m
Deal found 13/8£697
Thu 13/819:05 -
2 stops30h 05m
Thu 3/911:35 -
2 stops24h 30m
Deal found 9/8£700
Wed 16/1216:50 -
1 stop27h 15m
Mon 4/117:35 -
1 stop15h 30m
Deal found 10/8£703
Fri 18/1216:50 -
1 stop27h 15m
Mon 4/117:35 -
1 stop15h 30m
Deal found 10/8£710
Sat 19/1222:00 -
2 stops47h 00m
Thu 31/1210:30 -
2 stops51h 30m
Deal found 10/8£714
Sat 12/909:40 -
2 stops27h 15m
Sat 19/921:45 -
2 stops31h 30m
Deal found 13/8£765
Thu 13/817:55 -
2 stops29h 45m
Thu 3/921:45 -
2 stops31h 30m
Deal found 9/8£793

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 14 August 2026.

Round-trip from

£636

One-way from

£252
China Eastern
  • China Eastern
  • 19/12-1/1
  • 5 total stops
  • 74h 30m total
  • Siem Reap to England
Search Deals
17/10
  • 17/10
  • 2 total stops
  • 54h 15m 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 14 August 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 Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Wed 9/9

19:20-18:05

2 stops28h 45m

London Gatwick

Fri 18/9

11:00-17:50

2 stops24h 50m

£666

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Sat 12/9

11:30-10:55

3 stops29h 25m

London Gatwick

Sat 19/9

11:00-17:50

2 stops24h 50m

£672

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LHR London Heathrow

SAILHR

Siem Reap–Angkor Intl

Sat 12/9

09:40-06:55

2 stops27h 15m

London Heathrow

Sat 19/9

21:45-11:15

2 stops31h 30m

£765

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Mon 21/12

13:20-18:25

2 stops36h 05m

London Gatwick

Thu 31/12

23:55-21:10

2 stops38h 15m

£842

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LHR London Heathrow

SAILHR

Siem Reap–Angkor Intl

Tue 22/12

19:25-09:10

2 stops20h 45m

London Heathrow

Tue 5/1

16:15-12:40

2 stops37h 25m

£846

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LGW London Gatwick

SAILGW

Siem Reap–Angkor Intl

Tue 12/1

23:50-18:25

2 stops25h 35m

London Gatwick

Tue 26/1

23:55-12:40

2 stops29h 45m

£852

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LHR London Heathrow

SAILHR

Siem Reap–Angkor Intl

Fri 28/8

21:10-18:40

2 stops27h 30m

London Heathrow

Thu 10/9

08:45-18:55

2 stops28h 10m

£852

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LHR London Heathrow

SAILHR

Siem Reap–Angkor Intl

Mon 21/12

09:55-06:40

2 stops27h 45m

London Heathrow

Thu 31/12

20:55-09:15

2 stops29h 20m

£871

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LHR London Heathrow

SAILHR

Siem Reap–Angkor Intl

Sun 20/12

09:55-14:30

2 stops35h 35m

London Heathrow

Wed 30/12

20:55-12:40

2 stops32h 45m

£871

Siem ReapLondon

SAI Siem Reap–Angkor Intl - LHR London Heathrow

SAILHR

Siem Reap–Angkor Intl

Fri 18/12

21:30-07:15

1 stop16h 45m

London Heathrow

Sat 2/1

11:00-20:30

1 stop26h 30m

£873

Flights are sorted by cheapest return flights first.

Deals found on 10/8

Showing 1-10 of 38 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 27h 45m. Fly via Emirates or Etihad Airways 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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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?

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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