How long is the flight from England to Siem Reap?

Airlines like SWISS, British Airways, and Emirates fly from England to Siem Reap in about 14h 30m. The time it takes to get you to your destination can typically vary by up to 27h 25m. 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 Singapore Airlines, with whom users have recently found tickets for as low as £166. However, be on the lookout for offers from Vietnam Airlines and Etihad Airways, as they are both options that can get you from England to Siem Reap for a low price.

In terms of precipitation, rainfall in Siem Reap ranges from 0.0 - 260.0 inches per month. September is typically the wettest month, when rainfall can reach 260.0 mm. January is typically the driest time to visit Siem Reap when rainfall is around 0.0 mm.

If weather is an important factor for your trip to Siem Reap, use this chart to help with planning. For those seeking warmer temperatures, April is the ideal time of year to visit, when temperatures reach an average of 29.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 24.0 C).

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

The most popular route from England to Siem Reap is London Heathrow - Siem Reap–Angkor Intl. You may also consider London Gatwick - Siem Reap–Angkor Intl or London City - Siem Reap–Angkor Intl.

What are the most popular airlines that fly from England to Siem Reap?

When booking a flight from England to Siem Reap, you may want to consider flying on Singapore Airlines, Vietnam Airlines or Thai Airways as they are the most popular for this route.

What is the cheapest time of day to fly from ENG to SAI?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from England to Siem Reap as you normally would.

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.

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.

£275+ Cheap Flights from England to Siem Reap, Cambodia

Cheap flight deals from England to Siem Reap

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

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 8 August 2026.

Thu 3/1206:00 -

2 stops29h 45m

Mon 14/1209:55 -

2 stops29h 25m

Deal found 3/8£577

Fri 30/1010:30 -

3 stops27h 30m

Sat 14/1122:00 -

3 stops39h 30m

Deal found 7/8£588

Thu 3/1206:00 -

2 stops29h 45m

Mon 14/1209:55 -

2 stops18h 45m

Deal found 3/8£605

Fri 25/906:00 -

2 stops30h 55m

Tue 29/909:40 -

2 stops28h 15m

Deal found 4/8£613

Mon 31/811:35 -

2 stops24h 30m

Fri 11/919:05 -

2 stops30h 05m

Deal found 6/8£613

Tue 10/1109:05 -

2 stops26h 40m

Thu 3/1209:55 -

2 stops18h 45m

Deal found 3/8£614

Sun 20/909:05 -

2 stops27h 50m

Sat 3/1009:40 -

2 stops28h 40m

Deal found 3/8£614

Sun 20/906:00 -

2 stops30h 55m

Sat 3/1009:40 -

2 stops18h 05m

Deal found 3/8£615

Wed 2/912:10 -

2 stops24h 45m

Wed 30/916:00 -

2 stops22h 40m

Deal found 3/8£625

Thu 3/911:35 -

2 stops24h 30m

Thu 10/919:05 -

2 stops30h 05m

Deal found 3/8£626

Mon 16/1117:30 -

2 stops33h 20m

Mon 7/1209:55 -

2 stops29h 10m

Deal found 4/8£629

Wed 2/906:00 -

2 stops30h 55m

Wed 23/909:40 -

2 stops18h 05m

Deal found 3/8£630

Best flights from England to Siem Reap
Discover carefully curated flight deals from England to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 August 2026.

Thu 3/909:25 -

2 stops27h 30m

Fri 25/909:40 -

2 stops28h 45m

Deal found 3/8£654

Thu 8/1021:40 -

3 stops31h 35m

Fri 23/1019:20 -

3 stops34h 30m

Deal found 4/8£690

Thu 8/1022:15 -

1 stop14h 30m

Fri 23/1019:30 -

1 stop16h 25m

Deal found 5/8£760

Thu 12/1120:15 -

2 stops41h 55m

Tue 24/1123:50 -

2 stops25h 05m

Deal found 5/8£765

Fri 4/909:20 -

2 stops19h 55m

Sat 12/915:10 -

2 stops21h 45m

Deal found 3/8£782

Mon 16/1111:00 -

1 stop22h 55m

Mon 7/1218:40 -

1 stop19h 35m

Deal found 4/8£832

Thu 3/1209:20 -

2 stops20h 20m

Mon 14/1219:25 -

2 stops42h 50m

Deal found 3/8£1,220

Tue 5/109:05 -

2 stops41h 50m

Tue 26/116:45 -

2 stops22h 35m

Deal found 6/8£677

Fri 4/906:15 -

3 stops29h 35m

Sat 12/911:30 -

3 stops42h 40m

Deal found 3/8£700

Thu 3/906:10 -

3 stops29h 55m

Thu 10/911:30 -

3 stops42h 00m

Deal found 4/8£717

Fri 30/1014:05 -

2 stops24h 05m

Sat 14/1123:50 -

2 stops25h 05m

Deal found 7/8£796

Sun 15/1108:40 -

2 stops27h 05m

Sun 24/109:55 -

2 stops28h 55m

Deal found 5/8£757

Mon 16/1121:20 -

1 stop14h 25m

Mon 7/1219:25 -

1 stop17h 00m

Deal found 7/8£833

Thu 3/918:55 -

1 stop20h 10m

Mon 28/919:40 -

1 stop28h 10m

Deal found 3/8£863

Mon 16/1114:05 -

2 stops24h 05m

Mon 7/1213:20 -

2 stops29h 45m

Deal found 4/8£802

Wed 4/1119:55 -

2 stops32h 00m

Wed 11/1109:55 -

2 stops27h 20m

Deal found 4/8£754

Wed 30/914:55 -

2 stops24h 35m

Wed 28/1013:20 -

2 stops29h 45m

Deal found 8/8£803

Thu 3/1221:20 -

1 stop14h 25m

Mon 14/1219:25 -

1 stop17h 00m

Deal found 3/8£900

Fri 30/1013:30 -

2 stops22h 15m

Sat 14/1109:55 -

2 stops33h 45m

Deal found 7/8£828

Tue 10/1111:00 -

1 stop23h 40m

Sat 5/1221:30 -

2 stops40h 45m

Deal found 5/8£932

Mon 31/805:40 -

3 stops30h 25m

Fri 11/915:35 -

3 stops28h 20m

Deal found 4/8£800

Wed 2/914:55 -

2 stops24h 35m

Wed 30/912:55 -

2 stops35h 50m

Deal found 3/8£819

Wed 7/1009:15 -

2 stops27h 40m

Fri 23/1016:00 -

2 stops22h 25m

Deal found 5/8£838

Mon 4/111:00 -

1 stop25h 40m

Wed 20/118:40 -

1 stop19h 35m

Deal found 7/8£979

Mon 31/814:45 -

2 stops24h 45m

Fri 11/912:55 -

2 stops30h 00m

Deal found 7/8£831

Wed 30/908:25 -

2 stops21h 50m

Wed 28/1019:25 -

2 stops42h 50m

Deal found 6/8£1,289

Thu 19/1113:30 -

2 stops22h 15m

Sun 29/1109:55 -

2 stops29h 45m

Deal found 4/8£889

Wed 19/807:25 -

2 stops22h 50m

Wed 16/919:35 -

2 stops20h 20m

Deal found 4/8£910

Wed 2/921:05 -

2 stops18h 25m

Wed 23/912:55 -

2 stops35h 50m

Deal found 8/8£842

Mon 31/818:55 -

1 stop16h 15m

Fri 11/918:05 -

2 stops22h 25m

Deal found 6/8£1,070

Find flight deals from England to Siem Reap

Round-trip from	£577
One-way from	£275
Popular in	December
Cheapest in	July
Average price	£926

Austrian Airlines
3/12-14/12
4 total stops
59h 10m total
England to Siem Reap

Search Deals

1/10
3 total stops
51h 00m total
England to Siem Reap

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£74 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£27 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSiem Reap

LGW London Gatwick - SAI Siem Reap–Angkor Intl

LGWSAI

London Gatwick

Thu 3/9

09:25-18:55

2 stops27h 30m

Siem Reap–Angkor Intl

Fri 25/9

09:40-08:25

2 stops28h 45m

£654

ManchesterSiem Reap

MAN Manchester - SAI Siem Reap–Angkor Intl

MANSAI

Manchester

Tue 5/1

09:05-09:55

2 stops41h 50m

Siem Reap–Angkor Intl

Tue 26/1

16:45-08:20

2 stops22h 35m

£677

LondonSiem Reap

LTN London Luton - SAI Siem Reap–Angkor Intl

LTNSAI

London Luton

Thu 8/10

21:40-11:15

3 stops31h 35m

Siem Reap–Angkor Intl

Fri 23/10

19:20-23:50

3 stops34h 30m

£690

ManchesterSiem Reap

MAN Manchester - SAI Siem Reap–Angkor Intl

MANSAI

Manchester

Fri 4/9

06:15-17:50

3 stops29h 35m

Siem Reap–Angkor Intl

Sat 12/9

11:30-00:10

3 stops42h 40m

£700

EdinburghSiem Reap

EDI Edinburgh Turnhouse - SAI Siem Reap–Angkor Intl

EDISAI

Edinburgh Turnhouse

Thu 3/9

06:10-18:05

3 stops29h 55m

Siem Reap–Angkor Intl

Thu 10/9

11:30-23:30

3 stops42h 00m

£717

ManchesterSiem Reap

MAN Manchester - SAI Siem Reap–Angkor Intl

MANSAI

Manchester

Wed 4/11

19:55-10:55

2 stops32h 00m

Siem Reap–Angkor Intl

Wed 11/11

09:55-06:15

2 stops27h 20m

£754

LondonSiem Reap

LGW London Gatwick - SAI Siem Reap–Angkor Intl

LGWSAI

London Gatwick

Sun 15/11

08:40-18:45

2 stops27h 05m

Siem Reap–Angkor Intl

Sun 24/1

09:55-07:50

2 stops28h 55m

£757

Fastest return journey

LondonSiem Reap

LGW London Gatwick - SAI Siem Reap–Angkor Intl

LGWSAI

London Gatwick

Thu 8/10

22:15-18:45

1 stop14h 30m

Siem Reap–Angkor Intl

Fri 23/10

19:30-05:55

1 stop16h 25m

£760

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Thu 12/11

20:15-21:10

2 stops41h 55m

Siem Reap–Angkor Intl

Tue 24/11

23:50-17:55

2 stops25h 05m

£765

ManchesterSiem Reap

MAN Manchester - SAI Siem Reap–Angkor Intl

MANSAI

Manchester

Fri 4/9

09:20-11:15

2 stops19h 55m

Siem Reap–Angkor Intl

Sat 12/9

15:10-06:55

2 stops21h 45m

£782

Flights are sorted by cheapest return flights first.

Deals found on 7/8

Showing 1-10 of 60 resultsSorted by cheapest first

...

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.

LGW-SAI

LTN-SAI

STN-SAI

MAN-SAI

LHR-SAI

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

GBENG-SAI

LGW-SAI

LTN-SAI

STN-SAI

MAN-SAI

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

Currently, June is the cheapest month in which you can book a flight from England to Siem Reap (average of £655). Flying from England to Siem Reap in December is currently the most expensive (average of £970). 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.

Related info for your journey

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 SWISS, British Airways, and Emirates fly from England to Siem Reap in about 14h 30m. The time it takes to get you to your destination can typically vary by up to 27h 25m. 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 Singapore Airlines, with whom users have recently found tickets for as low as £166. However, be on the lookout for offers from Vietnam Airlines and Etihad Airways, 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?
The most popular route from England to Siem Reap is London Heathrow - Siem Reap–Angkor Intl. You may also consider London Gatwick - Siem Reap–Angkor Intl or London City - Siem Reap–Angkor Intl.
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, June is the cheapest month in which you can book a flight from England to Siem Reap (average of £655). Flying from England to Siem Reap in December is currently the most expensive (average of £970). 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

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Alternative routes for England to Siem Reap

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Glasgow Intl to Siem Reap flights

Top 5 airlines flying from England to Siem Reap

Airline	Cheapest	Average	Flexibility	On-time
Etihad Airways	Cheapest£546	Average£645	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
Austrian Airlines	Cheapest£552	Average£686	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
Vietnam Airlines	Cheapest£615	Average£813	FlexibilityNo cancel fee	On-time81%	Search Vietnam Airlines flights
Singapore Airlines	Cheapest£662	Average£934	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights
Thai Airways	Cheapest£887	Average£1,019	FlexibilityNo cancel fee	On-time77%	Search Thai Airways flights

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

900+ travel sites are searched through when a user searches for a flight using Cheapflights. From the search interface, users can use filters to choose airlines, airports, flight times, cabin classes and more to their preference. Book your flight to Siem Reap from England today with Cheapflights!

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

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

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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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Cheap flights from England to Siem Reap, Cambodia from £275

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from England to Siem Reap

Cheapest flights from England to Siem ReapExplore 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 8 August 2026.

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 8 August 2026.

Best flights from England to Siem ReapDiscover carefully curated flight deals from England to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 August 2026.

Discover carefully curated flight deals from England to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 August 2026.

Last-minute flights from England to Siem ReapDiscover last-minute flight deals from England to Siem Reap. Data last updated 8 August 2026 and is based on user searches.

Discover last-minute flight deals from England to Siem Reap. Data last updated 8 August 2026 and is based on user searches.

One-way flights from England to Siem ReapSearch for one-way flight options from England to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 8 August 2026.

Search for one-way flight options from England to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 8 August 2026.

Find flight deals from England to Siem Reap

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

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.

Cheapflights Insights

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

Related info for your journey

What airport do you fly into for flights to Siem Reap from England?

How long is the flight from England to Siem Reap?

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

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?

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

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

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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for England to Siem Reap

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Siem Reap by adding a car hire and/or hotel booking to your travel itinerary.

Search flights from England to Siem Reap by cabin class

Find flights from England to Siem Reap, based on your preferred cabin class, be it economy, premium economy, business, or first class.

England and Siem Reap flights

Browse other England and Siem Reap flight options. Last updated on 8 August 2026.

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Top 5 airlines flying from England to Siem Reap

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

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

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

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

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Travel Smart

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 8 August 2026.

Best flights from England to Siem Reap
Discover carefully curated flight deals from England to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 August 2026.

Last-minute flights from England to Siem Reap
Discover last-minute flight deals from England to Siem Reap. Data last updated 8 August 2026 and is based on user searches.

One-way flights from England to Siem Reap
Search for one-way flight options from England to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 8 August 2026.