Cheap flights from England to Siem Reap, Cambodia from £386

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 6/7. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — SAI
9 Jul — 16 Jul1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from England to Siem Reap

Enter your travel dates to find the best prices.

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

Fri 26/620:45
MAN
-
SAI
2 stops30h 15m
Etihad Airways
Fri 18/919:20
SAI
-
MAN
2 stops41h 35m
Etihad Airways
Deal found 8/6£550
Fri 26/620:45
MAN
-
SAI
2 stops30h 15m
Etihad Airways
Fri 10/719:20
SAI
-
MAN
2 stops41h 35m
Etihad Airways
Deal found 4/6£555
Mon 22/620:45
MAN
-
SAI
2 stops39h 05m
Etihad Airways
Sun 20/919:20
SAI
-
MAN
2 stops41h 35m
Etihad Airways
Deal found 6/6£567
Mon 22/620:45
MAN
-
SAI
2 stops39h 05m
Etihad Airways
Thu 15/1015:10
SAI
-
MAN
2 stops21h 45m
Etihad Airways
Deal found 6/6£568
Wed 24/620:45
MAN
-
SAI
2 stops32h 30m
Etihad Airways
Thu 8/1015:10
SAI
-
MAN
2 stops21h 45m
Etihad Airways
Deal found 5/6£570
Mon 22/609:20
MAN
-
SAI
2 stops50h 30m
Etihad Airways
Thu 22/1015:10
SAI
-
MAN
2 stops21h 45m
Etihad Airways
Deal found 6/6£572
Mon 22/609:20
MAN
-
SAI
2 stops50h 30m
Etihad Airways
Tue 13/1015:10
SAI
-
MAN
2 stops33h 25m
Etihad Airways
Deal found 6/6£579
Wed 10/620:45
MAN
-
SAI
2 stops32h 30m
Etihad Airways
Thu 22/1015:10
SAI
-
MAN
2 stops21h 45m
Etihad Airways
Deal found 6/6£580
Wed 24/620:45
MAN
-
SAI
2 stops38h 10m
Etihad Airways
Tue 22/919:20
SAI
-
MAN
2 stops29h 15m
Etihad Airways
Deal found 5/6£581
Tue 23/609:20
MAN
-
SAI
2 stops26h 30m
Etihad Airways
Thu 1/1015:10
SAI
-
MAN
2 stops33h 25m
Etihad Airways
Deal found 6/6£582
Wed 24/609:20
MAN
-
SAI
2 stops43h 55m
Etihad Airways
Fri 23/1019:20
SAI
-
MAN
2 stops41h 50m
Etihad Airways
Deal found 6/6£589
Wed 10/621:45
LHR
-
SAI
2 stops31h 30m
Etihad Airways
Tue 16/619:20
SAI
-
LHR
2 stops29h 25m
Etihad Airways
Deal found 5/6£591

Find flight deals from England to Siem Reap

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

Round-trip from

£550

One-way from

£386

Popular in

December

Cheapest in

September

Average price

£832
Etihad Airways
  • Etihad Airways
  • 26/6-18/9
  • 4 total stops
  • 71h 50m total
  • England to Siem Reap
Etihad Airways
  • Etihad Airways
  • 6/7
  • 2 total stops
  • 38h 05m total
  • England to Siem Reap
Highest demand for flights based on searches. 8% potential increase in price (£54 potential increase over avg. return price).
Cheapest flight prices on average. 4% potential price decrease (£25 potential savings vs. average return price).
Average for round-trip flights in June 2026

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

ManchesterSiem Reap

MAN - SAI

MANSAI

Manchester

Fri 26/6

20:45-09:00

2 stops30h 15m

Siem Reap–Angkor Intl

Fri 10/7

19:20-06:55

2 stops41h 35m

£555

LondonSiem Reap

LGW - SAI

LGWSAI

London Gatwick

Thu 3/9

09:25-18:55

2 stops27h 30m

Siem Reap–Angkor Intl

Thu 17/9

09:40-08:25

2 stops28h 45m

£594

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Thu 3/9

08:45-18:55

2 stops28h 10m

Siem Reap–Angkor Intl

Thu 17/9

09:40-07:55

2 stops28h 15m

£595

LondonSiem Reap

LGW - SAI

LGWSAI

London Gatwick

Wed 28/10

10:30-21:00

3 stops27h 30m

Siem Reap–Angkor Intl

Thu 26/11

22:00-06:30

2 stops39h 30m

£619

LondonSiem Reap

LCY - SAI

LCYSAI

London City

Sun 1/11

19:05-09:50

2 stops31h 45m

Siem Reap–Angkor Intl

Mon 30/11

16:45-08:40

2 stops22h 55m

£640

LondonSiem Reap

LCY - SAI

LCYSAI

London City

Tue 10/11

09:15-18:45

2 stops26h 30m

Siem Reap–Angkor Intl

Tue 24/11

09:55-08:40

2 stops29h 45m

£651

ManchesterSiem Reap

MAN - SAI

MANSAI

Manchester

Tue 10/11

09:10-18:45

2 stops26h 35m

Siem Reap–Angkor Intl

Tue 24/11

09:55-17:55

2 stops39h 00m

£660

LondonSiem Reap

LGW - SAI

LGWSAI

London Gatwick

Sun 1/11

17:00-21:00

2 stops45h 00m

Siem Reap–Angkor Intl

Sat 28/11

22:00-06:30

2 stops39h 30m

£669

LondonSiem Reap

LCY - SAI

LCYSAI

London City

Fri 13/11

13:30-18:45

2 stops22h 15m

Siem Reap–Angkor Intl

Mon 30/11

16:45-08:40

2 stops22h 55m

£676

LondonSiem Reap

LHR - SAI

LHRSAI

London Heathrow

Sun 1/11

13:45-18:45

2 stops22h 00m

Siem Reap–Angkor Intl

Mon 30/11

16:45-08:05

2 stops22h 20m

£683

Flights are sorted by cheapest return flights first.

Deals found on 6/6

Showing 1-10 of 60 resultsSorted by cheapest first
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Best time to book a flight from England to Siem Reap

Have a flexible travel schedule? Discover the best time to fly to Siem Reap from England 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 England to Siem Reap

What is the cheapest month to book a flight from England to Siem Reap?

Currently, May is the cheapest month in which you can book a flight from England to Siem Reap (average of £532). Flying from England to Siem Reap in July is currently the most expensive (average of £794). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

How much does it cost for a return flight from England to Siem Reap?

Related info for your journey

Find useful and relevant information for your journey from England to Siem Reap. 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 into for flights to Siem Reap from England?

    Located just 24.7 mi from the city center, Siem Reap–Angkor Intl (SAI) is the airport most travelers will use when flying to Siem Reap from England.

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

    Airlines like Etihad Airways, SWISS, and China Eastern fly from England to Siem Reap in about 27h 30m. The time it takes to get you to your destination can typically vary by up to 2h 45m. Airlines will cover a distance of 6102 mi. When browsing for deals, the options you’ll see will be for both direct flights and flights with stops.

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

    The cheapest airline one-way is Vietnam Airlines, with whom users have recently found tickets for as low as £425. However, be on the lookout for offers from Emirates and Singapore Airlines, as they are both options that can get you from England to Siem Reap for a low price.

  • What are the most popular routes from England to Siem Reap?

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

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

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

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

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

    Yes. Cheapflights offers flight deals from England to Siem Reap by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from England to Siem Reap?

    Currently, May is the cheapest month in which you can book a flight from England to Siem Reap (average of £532). Flying from England to Siem Reap in July is currently the most expensive (average of £794). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

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Top 6 airlines flying from England to Siem Reap

Discover the top 6 airlines that operate flights from England to Siem Reap. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 9 June 2026.
AirlineCheapestAverageFlexibilityOn-time
Austrian AirlinesCheapest£543Average£690FlexibilityNo cancel feeOn-time78%
Search Austrian Airlines flights
LufthansaCheapest£602Average£779FlexibilityNo cancel feeOn-time76%
Search Lufthansa flights
Vietnam AirlinesCheapest£621Average£820FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
Singapore AirlinesCheapest£669Average£937FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
EmiratesCheapest£858Average£970FlexibilityNo cancel feeOn-time75%
Search Emirates flights
Thai AirwaysCheapest£883Average£963FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

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

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

Need flexible booking options for your flight to Siem Reap from England? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

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

Yes! Start tracking prices for England to Siem Reap 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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