How long is the flight from England to Siem Reap?

Airlines like China Eastern, Lufthansa, and SWISS fly from England to Siem Reap in about 19h. The time it takes to get you to your destination can typically vary by up to 8h 30m. Airlines will cover a distance of 6132 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 £165. However, be on the lookout for offers from Austrian Airlines and Vietnam Airlines, 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 British 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.

£319+ 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 10 September 2026.

Wed 16/911:15 -

2 stops23h 55m

Wed 14/1018:05 -

2 stops42h 50m

Deal found 6/9£537

Thu 3/1206:00 -

2 stops29h 30m

Mon 14/1209:55 -

2 stops35h 10m

Deal found 8/9£608

Wed 16/921:20 -

3 stops40h 50m

Wed 14/1021:10 -

2 stops27h 30m

Deal found 10/9£615

Wed 9/921:20 -

3 stops40h 50m

Wed 7/1021:10 -

2 stops27h 30m

Deal found 6/9£636

Wed 30/906:00 -

2 stops30h 55m

Wed 28/1009:55 -

2 stops29h 10m

Deal found 7/9£644

Tue 10/1107:10 -

3 stops25h 55m

Wed 18/1119:05 -

3 stops31h 25m

Deal found 10/9£650

Tue 10/1108:30 -

2 stops42h 25m

Sat 5/1216:50 -

2 stops24h 55m

Deal found 6/9£657

Wed 9/922:00 -

3 stops40h 10m

Wed 7/1021:10 -

2 stops39h 30m

Deal found 6/9£658

Wed 21/1017:30 -

2 stops34h 10m

Wed 28/1019:25 -

2 stops19h 40m

Deal found 6/9£662

Sun 25/1007:00 -

3 stops26h 05m

Fri 30/1019:05 -

3 stops33h 50m

Deal found 6/9£667

Wed 7/1006:00 -

3 stops26h 50m

Sat 10/1007:20 -

3 stops29h 35m

Deal found 9/9£669

Sat 19/919:35 -

3 stops33h 35m

Fri 2/1016:55 -

3 stops31h 40m

Deal found 10/9£687

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 10 September 2026.

Fri 19/210:30 -

3 stops27h 30m

Tue 2/322:00 -

3 stops39h 30m

Deal found 6/9£639

Sat 19/900:45 -

3 stops32h 05m

Sat 12/1209:00 -

2 stops34h 15m

Deal found 5/9£701

Sun 20/917:55 -

2 stops19h 00m

Mon 18/116:50 -

2 stops25h 40m

Deal found 5/9£714

Mon 8/209:15 -

2 stops26h 30m

Wed 10/316:50 -

2 stops22h 50m

Deal found 7/9£714

Thu 12/1106:00 -

2 stops29h 30m

Thu 19/1119:25 -

2 stops33h 15m

Deal found 5/9£725

Wed 27/114:05 -

2 stops24h 05m

Tue 23/223:50 -

2 stops25h 05m

Deal found 9/9£728

Tue 10/1111:00 -

1 stop26h 30m

Thu 3/1217:55 -

1 stop20h 20m

Deal found 6/9£770

Tue 10/1121:20 -

1 stop14h 10m

Wed 18/1119:25 -

1 stop17h 00m

Deal found 10/9£776

Wed 13/109:10 -

1 stop23h 50m

Sun 21/216:50 -

1 stop29h 30m

Deal found 9/9£799

Wed 27/119:55 -

2 stops35h 30m

Wed 24/209:55 -

2 stops27h 20m

Deal found 9/9£850

Thu 3/1209:20 -

2 stops20h 20m

Mon 14/1219:25 -

2 stops31h 10m

Deal found 6/9£1,286

Fri 13/1105:00 -

3 stops27h 00m

Fri 20/1119:05 -

3 stops32h 20m

Deal found 7/9£707

Mon 25/114:05 -

2 stops24h 05m

Tue 23/223:50 -

2 stops25h 05m

Deal found 9/9£728

Mon 25/108:35 -

2 stops27h 10m

Mon 22/216:50 -

2 stops22h 00m

Deal found 9/9£745

Thu 12/1111:00 -

1 stop26h 30m

Thu 19/1117:05 -

1 stop21h 10m

Deal found 5/9£777

Tue 23/217:45 -

2 stops18h 00m

Thu 11/316:50 -

2 stops32h 10m

Deal found 6/9£707

Mon 25/109:20 -

1 stop23h 40m

Mon 22/210:45 -

1 stop29h 20m

Deal found 9/9£801

Thu 3/1221:20 -

1 stop14h 10m

Mon 14/1219:25 -

1 stop17h 00m

Deal found 9/9£801

Fri 22/114:05 -

2 stops24h 05m

Tue 23/223:50 -

2 stops25h 05m

Deal found 9/9£748

Mon 21/913:50 -

2 stops23h 05m

Fri 18/1209:55 -

2 stops39h 00m

Deal found 5/9£751

Thu 3/1211:00 -

1 stop26h 30m

Mon 14/1218:40 -

1 stop19h 35m

Deal found 6/9£778

Thu 28/113:50 -

2 stops38h 05m

Mon 22/209:55 -

2 stops33h 20m

Deal found 9/9£870

Sun 31/113:15 -

2 stops37h 40m

Sun 28/216:50 -

2 stops31h 15m

Deal found 10/9£905

Tue 19/120:15 -

2 stops41h 55m

Mon 1/213:20 -

2 stops29h 45m

Deal found 9/9£766

Wed 20/112:30 -

3 stops25h 40m

Sat 6/223:50 -

2 stops25h 05m

Deal found 6/9£770

Wed 13/120:55 -

2 stops31h 00m

Sat 23/109:55 -

2 stops35h 35m

Deal found 10/9£877

Mon 18/109:15 -

2 stops26h 30m

Mon 1/209:55 -

2 stops29h 45m

Deal found 9/9£811

Mon 18/120:25 -

2 stops17h 45m

Tue 2/223:50 -

2 stops25h 35m

Deal found 9/9£771

Thu 28/113:50 -

2 stops41h 35m

Fri 19/209:55 -

2 stops33h 20m

Deal found 9/9£880

Fri 13/1111:00 -

2 stops26h 30m

Fri 20/1121:30 -

1 stop16h 45m

Deal found 7/9£896

Find flight deals from England to Siem Reap

Round-trip from	£608
One-way from	£319
Popular in	December
Cheapest in	July
Average price	£765

Austrian Airlines
3/12-14/12
4 total stops
64h 40m total
England to Siem Reap

Search Deals

3/11-31/12
3 total stops
43h 10m total
England to Siem Reap

Search Deals

Highest demand for flights based on searches. 10% potential increase in price (£67 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£25 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Wed 4/11

17:10-09:20

3 stops33h 10m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£325

LondonSiem Reap

LHR London Heathrow - SAI Siem Reap–Angkor Intl

LHRSAI

London Heathrow

Mon 21/9

22:10-18:05

2 stops37h 55m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£327

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Thu 5/11

06:05-16:05

3 stops27h 00m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£328

LondonSiem Reap

LTN London Luton - SAI Siem Reap–Angkor Intl

LTNSAI

London Luton

Tue 3/11

18:55-15:00

3 stops37h 05m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£340

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Tue 3/11

15:40-15:00

2 stops40h 20m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£342

LondonSiem Reap

LTN London Luton - SAI Siem Reap–Angkor Intl

LTNSAI

London Luton

Wed 4/11

05:00-15:00

3 stops27h 00m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£343

LondonSiem Reap

LTN London Luton - SAI Siem Reap–Angkor Intl

LTNSAI

London Luton

Fri 30/10

05:00-15:00

3 stops27h 00m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£353

LondonSiem Reap

LTN London Luton - SAI Siem Reap–Angkor Intl

LTNSAI

London Luton

Mon 2/11

19:05-16:05

3 stops38h 00m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£355

LondonSiem Reap

LHR London Heathrow - SAI Siem Reap–Angkor Intl

LHRSAI

London Heathrow

Tue 1/12

10:45-18:05

3 stops48h 20m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£359

LondonSiem Reap

LTN London Luton - SAI Siem Reap–Angkor Intl

LTNSAI

London Luton

Wed 9/12

06:50-19:40

3 stops29h 50m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£359

Flights are sorted by cheapest return flights first.

Deals found on 9/9

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.

STN-SAI

LTN-SAI

LGW-SAI

LHR-SAI

MAN-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

STN-SAI

LTN-SAI

LGW-SAI

LHR-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 £651). Flying from England to Siem Reap in December is currently the most expensive (average of £976). 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 China Eastern, Lufthansa, and SWISS fly from England to Siem Reap in about 19h. The time it takes to get you to your destination can typically vary by up to 8h 30m. Airlines will cover a distance of 6132 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 £165. However, be on the lookout for offers from Austrian Airlines and Vietnam 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?
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 £651). Flying from England to Siem Reap in December is currently the most expensive (average of £976). 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

Alternative routes

Complete your trip

Flights by cabin class

Other flight options

Popular flights

Alternative routes for England to Siem Reap

Heathrow to Siem Reap flights

Gatwick to Siem Reap flights

London City to Siem Reap flights

Stansted to Siem Reap flights

Manchester to Siem Reap flights

Birmingham to Siem Reap flights

Glasgow Intl to Siem Reap flights

Luton to Siem Reap flights

Edinburgh to Siem Reap flights

Top 5 airlines flying from England to Siem Reap

Airline	Cheapest	Average	Flexibility	On-time
Austrian Airlines	Cheapest£535	Average£682	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
Etihad Airways	Cheapest£542	Average£661	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
Vietnam Airlines	Cheapest£611	Average£808	FlexibilityNo cancel fee	On-time81%	Search Vietnam Airlines flights
Singapore Airlines	Cheapest£658	Average£934	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights
Thai Airways	Cheapest£882	Average£1,013	FlexibilityNo cancel fee	On-time77%	Search Thai Airways flights

Fly with Cheapflights

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?

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.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from England to Siem Reap, Cambodia from £319

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/11. 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 10 September 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 10 September 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 10 September 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 10 September 2026.

Last-minute flights from England to Siem ReapDiscover last-minute flight deals from England to Siem Reap. Data last updated 10 September 2026 and is based on user searches.

Discover last-minute flight deals from England to Siem Reap. Data last updated 10 September 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 10 September 2026.

Search for one-way flight options from England to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 10 September 2026.

Find flight deals from England to Siem Reap

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

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 10 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top 5 airlines flying from England to Siem Reap

Fly with Cheapflights

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?

100% Free

Book with Flexibility

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 10 September 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 10 September 2026.

Last-minute flights from England to Siem Reap
Discover last-minute flight deals from England to Siem Reap. Data last updated 10 September 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 10 September 2026.