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

Airlines like Lufthansa, SWISS, and British Airways fly from England to Region of Siem Reap in about 14h 30m. The time it takes to get you to your destination can typically vary by up to 12h. England and Region of Siem Reap are separated by 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 Region of 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 Region of Siem Reap for a low price.

In terms of precipitation, rainfall in Region of 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 Region of Siem Reap when rainfall is around 0.0 mm.

If weather is an important factor for your trip to Region of 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 is the cheapest time of day to fly from ENG to SI?

When flying from England to Region of Siem Reap, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

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.

£313+ Cheap Flights from England to Siem Reap

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 7 September 2026.

Wed 16/911:15 -

2 stops23h 55m

Wed 14/1018:05 -

2 stops42h 50m

Deal found 4/9£537

Mon 23/1110:30 -

3 stops27h 30m

Sat 28/1122:00 -

2 stops47h 00m

Deal found 3/9£588

Wed 16/918:00 -

3 stops44h 10m

Wed 14/1021:10 -

3 stops39h 30m

Deal found 4/9£590

Thu 3/1206:00 -

2 stops29h 45m

Mon 14/1219:25 -

2 stops19h 55m

Deal found 4/9£608

Wed 9/922:00 -

2 stops40h 10m

Wed 7/1021:10 -

2 stops39h 30m

Deal found 4/9£608

Wed 25/1109:00 -

2 stops26h 45m

Sun 13/1209:55 -

2 stops18h 45m

Deal found 4/9£627

Mon 23/1119:25 -

2 stops16h 20m

Mon 30/1116:50 -

2 stops22h 15m

Deal found 3/9£632

Mon 23/1108:35 -

2 stops27h 10m

Mon 30/1116:50 -

2 stops22h 00m

Deal found 3/9£633

Wed 9/921:20 -

3 stops40h 50m

Wed 7/1021:10 -

2 stops27h 30m

Deal found 5/9£637

Tue 10/1111:30 -

2 stops39h 25m

Thu 3/1209:55 -

2 stops29h 10m

Deal found 3/9£639

Sat 21/1118:40 -

2 stops32h 15m

Mon 30/1116:50 -

2 stops22h 15m

Deal found 3/9£641

Wed 25/1109:50 -

2 stops25h 50m

Sun 13/1215:45 -

2 stops21h 45m

Deal found 4/9£644

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 7 September 2026.

Fri 13/1105:00 -

3 stops27h 00m

Fri 20/1119:05 -

3 stops32h 20m

Deal found 7/9£708

Sun 20/917:55 -

2 stops19h 00m

Mon 18/116:50 -

2 stops25h 40m

Deal found 5/9£715

Mon 8/209:15 -

2 stops26h 30m

Wed 10/316:50 -

2 stops22h 50m

Deal found 7/9£715

Thu 17/923:55 -

2 stops39h 35m

Tue 13/1023:50 -

2 stops25h 55m

Deal found 5/9£735

Mon 12/1009:20 -

2 stops41h 40m

Mon 9/1109:55 -

2 stops33h 20m

Deal found 3/9£746

Sat 19/922:15 -

1 stop14h 30m

Wed 14/1019:30 -

1 stop16h 25m

Deal found 4/9£750

Thu 17/918:55 -

1 stop31h 50m

Tue 13/1009:35 -

2 stops37h 20m

Deal found 6/9£760

Thu 1/1017:35 -

2 stops43h 20m

Wed 14/1012:55 -

2 stops33h 45m

Deal found 3/9£831

Tue 10/1110:40 -

1 stop22h 20m

Sat 5/1216:50 -

1 stop29h 30m

Deal found 3/9£883

Fri 18/909:00 -

2 stops21h 15m

Wed 14/1019:35 -

2 stops41h 05m

Deal found 5/9£931

Thu 3/1209:20 -

2 stops20h 20m

Mon 14/1219:25 -

2 stops31h 10m

Deal found 3/9£1,255

Tue 23/217:45 -

2 stops18h 00m

Thu 11/316:50 -

2 stops32h 10m

Deal found 6/9£708

Mon 21/913:50 -

2 stops23h 05m

Fri 18/1209:55 -

2 stops39h 00m

Deal found 5/9£752

Thu 17/914:55 -

2 stops48h 35m

Tue 13/1023:50 -

2 stops24h 55m

Deal found 4/9£754

Tue 10/1111:00 -

1 stop26h 30m

Thu 3/1220:30 -

1 stop17h 45m

Deal found 3/9£769

Thu 3/1221:20 -

1 stop14h 25m

Mon 14/1219:25 -

1 stop17h 00m

Deal found 4/9£774

Sat 19/900:45 -

3 stops32h 05m

Sat 12/1209:00 -

3 stops34h 15m

Deal found 5/9£712

Thu 17/923:55 -

2 stops39h 35m

Sat 17/1023:50 -

2 stops27h 40m

Deal found 6/9£765

Thu 3/1211:00 -

1 stop26h 30m

Mon 14/1218:40 -

1 stop19h 35m

Deal found 6/9£779

Mon 23/1113:30 -

2 stops22h 15m

Sun 29/1109:55 -

2 stops29h 45m

Deal found 3/9£841

Sat 19/922:40 -

2 stops38h 15m

Sat 17/1009:40 -

2 stops30h 10m

Deal found 5/9£935

Sat 19/909:00 -

2 stops21h 15m

Fri 16/1019:35 -

2 stops41h 05m

Deal found 4/9£941

Fri 18/914:55 -

2 stops24h 35m

Sat 17/1023:50 -

2 stops24h 55m

Deal found 6/9£779

Thu 1/1017:35 -

2 stops43h 20m

Wed 14/1019:35 -

2 stops27h 05m

Deal found 2/9£834

Wed 4/1110:05 -

1 stop22h 55m

Wed 11/1110:45 -

1 stop28h 50m

Deal found 7/9£1,028

Fri 18/914:55 -

2 stops24h 35m

Thu 15/1023:50 -

2 stops24h 55m

Deal found 4/9£785

Tue 10/1111:00 -

3 stops22h 10m

Sat 5/1221:30 -

2 stops40h 45m

Deal found 3/9£870

Sun 31/117:45 -

3 stops42h 00m

Sun 28/210:45 -

2 stops30h 35m

Deal found 7/9£853

Mon 23/1109:40 -

2 stops28h 30m

Thu 26/1123:50 -

2 stops37h 50m

Deal found 3/9£789

Fri 13/1111:00 -

2 stops26h 30m

Fri 20/1121:30 -

1 stop16h 45m

Deal found 7/9£897

Find flight deals from England to Siem Reap

Round-trip from	£588
One-way from	£313
Popular in	December
Cheapest in	July
Average price	£766

China Eastern
23/11-28/11
5 total stops
74h 30m total
England to Siem Reap

Search Deals

24/9-31/12
3 total stops
30h 25m 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

LTN London Luton - SAI Siem Reap–Angkor Intl

LTNSAI

London Luton

Thu 24/9

05:40-18:05

3 stops30h 25m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£313

LondonSiem Reap

LGW London Gatwick - SAI Siem Reap–Angkor Intl

LGWSAI

London Gatwick

Thu 24/9

13:35-19:35

3 stops48h 00m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£325

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

£331

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

£341

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

£343

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

£344

LondonSiem Reap

LHR London Heathrow - SAI Siem Reap–Angkor Intl

LHRSAI

London Heathrow

Thu 24/9

22:10-17:10

2 stops37h 00m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£347

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Sat 31/10

17:35-15:00

3 stops38h 25m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£349

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

Flights are sorted by cheapest return flights first.

Deals found on 3/9

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.

LTN-SAI

LGW-SAI

STN-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-KHSI

LTN-SAI

LGW-SAI

STN-SAI

LHR-SAI

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

Currently, June is the cheapest month in which you can book a flight from England to Region of Siem Reap (average of £652). Flying from England to Region of Siem Reap in December is currently the most expensive (average of £977). 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.

Reviews of airlines servicing Siem Reap

Read reviews from past customers who have flown with Singapore Airlines,Thai Airways, andVietnam Airlines from England to Siem Reap. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Singapore Airlines

8.2

Very Good

1,598 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2026

SIN - JFK

On schedule, courteous, and attentive crew. Really old aircraft and restrooms are not looking good.

Singapore Airlines

8.2

Very Good

1,598 reviews

Singapore Airlines

8.2

Very Good

1,598 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2026

SIN - JFK

On schedule, courteous, and attentive crew. Really old aircraft and restrooms are not looking good.

Thai Airways

7.9

Good

418 reviews

Singapore Airlines

8.2

Very Good

1,598 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2026

SIN - JFK

On schedule, courteous, and attentive crew. Really old aircraft and restrooms are not looking good.

Vietnam Airlines

7.7

Good

286 reviews

Singapore Airlines

8.2

Very Good

1,598 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2026

SIN - JFK

On schedule, courteous, and attentive crew. Really old aircraft and restrooms are not looking good.

Austrian Airlines

7.6

Good

953 reviews

Singapore Airlines

8.2

Very Good

1,598 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2026

SIN - JFK

On schedule, courteous, and attentive crew. Really old aircraft and restrooms are not looking good.

British Airways

6.7

Okay

8,209 reviews

Singapore Airlines

8.2

Very Good

1,598 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2026

SIN - JFK

On schedule, courteous, and attentive crew. Really old aircraft and restrooms are not looking good.

Related info for your journey

How long is the flight from England to Region of Siem Reap?
Airlines like Lufthansa, SWISS, and British Airways fly from England to Region of Siem Reap in about 14h 30m. The time it takes to get you to your destination can typically vary by up to 12h. England and Region of Siem Reap are separated by 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 Region of 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 Region of Siem Reap for a low price.
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 Region of Siem Reap?
Currently, June is the cheapest month in which you can book a flight from England to Region of Siem Reap (average of £652). Flying from England to Region of Siem Reap in December is currently the most expensive (average of £977). 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

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Return Flight Options

Alternative routes for England to Siem Reap

Gatwick to Siem Reap flights

Heathrow to Siem Reap flights

London City to Siem Reap flights

Stansted to Siem Reap flights

Manchester to Siem Reap flights

Gatwick to Krong Preah Sihanouk flights

Heathrow to Krong Preah Sihanouk flights

Birmingham to Siem Reap flights

Edinburgh to Siem Reap flights

Glasgow Intl to Siem Reap flights

Manchester to Krong Preah Sihanouk flights

Luton to Siem Reap flights

Top 5 airlines flying from England to Siem Reap

Airline	Cheapest	Average	Flexibility	On-time
Austrian Airlines	Cheapest£535	Average£683	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
Etihad Airways	Cheapest£543	Average£662	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
Vietnam Airlines	Cheapest£612	Average£809	FlexibilityNo cancel fee	On-time81%	Search Vietnam Airlines flights
Singapore Airlines	Cheapest£659	Average£935	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights
Thai Airways	Cheapest£883	Average£1,015	FlexibilityNo cancel fee	On-time77%	Search Thai Airways flights

Fly with Cheapflights

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

Deals for England to Siem Reap 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 England to Siem Reap?

Cheapflights helps you find that perfect flight to Siem Reap from England by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

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

Users can book flights with no change fees policies with our dedicated filters. Book flights from England to Siem Reap flexibly with Cheapflights today.

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

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Siem Reap from England today and book when prices fit your budget.

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Cheap flights from England to Siem Reap from £313

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 24/9. 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 7 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 7 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 7 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 7 September 2026.

Last-minute flights from England to Siem ReapDiscover last-minute flight deals from England to Siem Reap. Data last updated 7 September 2026 and is based on user searches.

Discover last-minute flight deals from England to Siem Reap. Data last updated 7 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 7 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 7 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 Region of Siem Reap?

Reviews of airlines servicing Siem Reap

Read reviews from past customers who have flown with Singapore Airlines,Thai Airways, andVietnam Airlines from England to Siem Reap. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

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

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 Region of 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.

Direct flights to

Book a non-stop flight to one of these other cities located in .

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 7 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Find a return flight route from Siem Reap

Find the right flight back to England after your stay in Siem Reap

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?

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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 7 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 7 September 2026.

Last-minute flights from England to Siem Reap
Discover last-minute flight deals from England to Siem Reap. Data last updated 7 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 7 September 2026.