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

Airlines like SWISS, Emirates, and Vietnam Airlines fly from England to Region of Siem Reap in about 26h 30m. The time it takes to get you to your destination can typically vary by up to 11h 45m. England and Region of Siem Reap are separated by a distance of 6106 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 £166. 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.

£316+ 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 5 November 2026.

Mon 23/1110:30 -

2 stops26h 35m

Tue 8/1221:05 -

2 stops40h 25m

Deal found 5/11£583

Fri 20/1110:30 -

2 stops26h 35m

Tue 22/1221:05 -

2 stops40h 25m

Deal found 4/11£591

Sat 5/1210:30 -

2 stops26h 35m

Sat 19/1222:25 -

2 stops22h 35m

Deal found 4/11£600

Tue 10/1121:00 -

2 stops40h 05m

Sat 5/1221:05 -

2 stops51h 25m

Deal found 2/11£618

Tue 10/1121:00 -

2 stops40h 05m

Thu 3/1221:05 -

2 stops40h 20m

Deal found 1/11£619

Wed 9/1207:55 -

3 stops27h 35m

Thu 24/1219:05 -

2 stops25h 55m

Deal found 1/11£620

Wed 9/1207:55 -

3 stops27h 35m

Sun 20/1219:05 -

2 stops25h 55m

Deal found 1/11£623

Sat 5/1210:30 -

2 stops26h 35m

Sat 19/1221:05 -

3 stops47h 55m

Deal found 4/11£640

Tue 10/1107:00 -

3 stops28h 30m

Tue 17/1119:25 -

3 stops33h 35m

Deal found 5/11£646

Wed 9/1209:00 -

3 stops26h 30m

Thu 24/1219:05 -

2 stops29h 40m

Deal found 1/11£652

Wed 9/1209:00 -

3 stops26h 30m

Sun 20/1219:05 -

2 stops30h 10m

Deal found 1/11£653

Sun 6/1205:55 -

2 stops28h 00m

Sun 13/1211:50 -

1 stop34h 15m

Deal found 1/11£655

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 5 November 2026.

Wed 9/1208:05 -

3 stops27h 25m

Thu 24/1217:55 -

2 stops26h 05m

Deal found 1/11£726

Thu 3/1208:30 -

2 stops27h 00m

Wed 16/1209:55 -

2 stops28h 45m

Deal found 3/11£726

Sun 22/1123:55 -

2 stops38h 15m

Tue 22/1223:50 -

2 stops25h 35m

Deal found 4/11£749

Tue 10/1111:00 -

1 stop26h 30m

Thu 3/1220:30 -

1 stop17h 45m

Deal found 1/11£776

Sun 11/410:35 -

1 stop41h 05m

Sun 9/510:30 -

1 stop28h 45m

Deal found 5/11£855

Sat 14/1110:30 -

2 stops26h 35m

Sun 22/1121:05 -

3 stops40h 25m

Deal found 31/10£882

Thu 3/1221:20 -

1 stop14h 10m

Mon 14/1219:25 -

1 stop17h 00m

Deal found 2/11£897

Fri 20/1113:55 -

2 stops21h 35m

Fri 25/1219:25 -

2 stops23h 40m

Deal found 4/11£940

Fri 13/1117:20 -

2 stops32h 55m

Sun 22/1119:25 -

2 stops21h 30m

Deal found 31/10£1,061

Wed 2/1206:00 -

3 stops29h 05m

Wed 9/1209:05 -

3 stops33h 50m

Deal found 2/11£758

Tue 24/1120:15 -

2 stops41h 55m

Tue 22/1223:50 -

2 stops25h 25m

Deal found 4/11£768

Mon 23/1111:00 -

1 stop25h 40m

Mon 21/1218:40 -

1 stop19h 35m

Deal found 5/11£796

Thu 19/1120:15 -

2 stops41h 55m

Tue 22/1223:50 -

2 stops25h 25m

Deal found 4/11£768

Thu 10/1206:00 -

3 stops29h 05m

Thu 24/1217:55 -

2 stops26h 05m

Deal found 1/11£784

Tue 24/1111:00 -

1 stop27h 45m

Sun 20/1217:55 -

1 stop20h 20m

Deal found 4/11£807

Thu 10/1208:30 -

2 stops27h 15m

Fri 18/1209:55 -

2 stops29h 15m

Deal found 5/11£893

Tue 10/1120:35 -

1 stop36h 25m

Sat 5/1216:50 -

1 stop44h 05m

Deal found 2/11£919

Thu 3/1220:15 -

2 stops41h 55m

Wed 16/1213:20 -

2 stops29h 45m

Deal found 3/11£778

Sat 5/1206:25 -

3 stops26h 40m

Sat 19/1223:50 -

2 stops25h 25m

Deal found 3/11£789

Sun 14/213:50 -

2 stops21h 55m

Sun 28/209:55 -

2 stops27h 20m

Deal found 1/11£956

Thu 31/1220:20 -

2 stops41h 50m

Tue 19/123:50 -

2 stops25h 30m

Deal found 31/10£791

Mon 23/1121:20 -

1 stop16h 50m

Tue 8/1209:55 -

1 stop16h 10m

Deal found 5/11£812

Fri 12/208:15 -

2 stops21h 25m

Sun 28/209:55 -

2 stops27h 20m

Deal found 1/11£1,006

Fri 13/1111:00 -

1 stop25h 40m

Sun 22/1117:55 -

2 stops44h 20m

Deal found 31/10£951

Wed 18/1120:15 -

2 stops17h 55m

Thu 24/1223:50 -

2 stops25h 25m

Deal found 4/11£799

Sat 13/222:30 -

2 stops27h 45m

Mon 22/213:20 -

2 stops27h 20m

Deal found 1/11£1,193

Wed 9/1208:05 -

3 stops27h 25m

Tue 29/1220:30 -

3 stops23h 55m

Deal found 1/11£816

Mon 30/1120:15 -

2 stops17h 55m

Tue 15/1223:50 -

2 stops19h 15m

Deal found 4/11£799

Tue 5/111:00 -

1 stop26h 30m

Tue 19/120:30 -

2 stops41h 45m

Deal found 31/10£978

Sat 21/1106:15 -

3 stops30h 05m

Sat 5/1215:35 -

3 stops30h 10m

Deal found 4/11£827

Find flight deals from England to Siem Reap

Round-trip from	£583
One-way from	£316
Popular in	December
Cheapest in	July
Average price	£773

China Eastern
23/11-8/12
4 total stops
67h 00m total
England to Siem Reap

Search Deals

31/1-31/12
3 total stops
46h 20m total
England to Siem Reap

Search Deals

Highest demand for flights based on searches. 7% potential increase in price (£49 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£22 potential savings vs. average return price).

Search Deals

Average for round-trip flights in November 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

Mon 30/11

05:00-08:55

3 stops44h 55m

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 19/11

21:45-16:05

3 stops59h 20m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£339

ManchesterSiem Reap

MAN Manchester - SAI Siem Reap–Angkor Intl

MANSAI

Manchester

Thu 11/2

14:55-18:05

3 stops44h 10m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£364

LondonSiem Reap

LTN London Luton - SAI Siem Reap–Angkor Intl

LTNSAI

London Luton

Fri 29/1

05:00-14:50

3 stops26h 50m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£367

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Sun 22/11

07:00-16:05

3 stops26h 05m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£371

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Mon 30/11

19:20-16:05

3 stops37h 45m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£382

LondonSiem Reap

LTN London Luton - SAI Siem Reap–Angkor Intl

LTNSAI

London Luton

Mon 23/11

19:05-16:05

3 stops38h 00m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£390

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Tue 24/11

15:40-14:50

2 stops40h 10m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£390

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Tue 17/11

11:50-18:05

3 stops47h 15m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£393

LondonSiem Reap

LGW London Gatwick - SAI Siem Reap–Angkor Intl

LGWSAI

London Gatwick

Mon 30/11

10:30-20:05

2 stops26h 35m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£396

Flights are sorted by cheapest return flights first.

Deals found on 4/11

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

LHR-SAI

LTN-SAI

MAN-SAI

STN-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

LGW-SAI

LHR-SAI

LTN-SAI

MAN-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 £715). Flying from England to Region of Siem Reap in December is currently the most expensive (average of £1,044). 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 Region of Siem Reap?

Airfare is below average for this route at the moment.

England to Region of Siem Reap flights typically cost between £742 and £991 in November.
The cheapest return price found within the last 5 days was £619 on China Eastern (30 Nov–15 Dec).

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

1,631 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

1,631 reviews

Singapore Airlines

8.2

Very Good

1,631 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

433 reviews

Singapore Airlines

8.2

Very Good

1,631 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

296 reviews

Singapore Airlines

8.2

Very Good

1,631 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.

Etihad Airways

7.3

Good

1,556 reviews

Singapore Airlines

8.2

Very Good

1,631 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

8,283 reviews

Singapore Airlines

8.2

Very Good

1,631 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 SWISS, Emirates, and Vietnam Airlines fly from England to Region of Siem Reap in about 26h 30m. The time it takes to get you to your destination can typically vary by up to 11h 45m. England and Region of Siem Reap are separated by a distance of 6106 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 £166. 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 £715). Flying from England to Region of Siem Reap in December is currently the most expensive (average of £1,044). 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

Direct flights to

Flights by cabin class

Other flight options

Popular flights

Return Flight Options

Alternative routes for England to Siem Reap

Heathrow to Siem Reap flights

London City to Siem Reap flights

Gatwick to Siem Reap flights

Stansted to Siem Reap flights

Manchester to Siem Reap flights

Luton 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

Manchester to Krong Preah Sihanouk flights

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£750	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
Singapore Airlines	Cheapest£569	Average£884	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights
Vietnam Airlines	Cheapest£740	Average£814	FlexibilityNo cancel fee	On-time81%	Search Vietnam Airlines flights
Emirates	Cheapest£850	Average£871	FlexibilityNo cancel fee	On-time75%	Search Emirates flights
Thai Airways	Cheapest£887	Average£1,019	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.

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 from £316

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/1. 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 5 November 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 5 November 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 5 November 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 5 November 2026.

Last-minute flights from England to Siem ReapDiscover last-minute flight deals from England to Siem Reap. Data last updated 5 November 2026 and is based on user searches.

Discover last-minute flight deals from England to Siem Reap. Data last updated 5 November 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 5 November 2026.

Search for one-way flight options from England to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 5 November 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?

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

Airfare is below average for this route at the moment.

England to Region of Siem Reap flights typically cost between £742 and £991 in November.The cheapest return price found within the last 5 days was £619 on China Eastern (30 Nov–15 Dec).

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 5 November 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?

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 5 November 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 5 November 2026.

Last-minute flights from England to Siem Reap
Discover last-minute flight deals from England to Siem Reap. Data last updated 5 November 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 5 November 2026.

England to Region of Siem Reap flights typically cost between £742 and £991 in November.
The cheapest return price found within the last 5 days was £619 on China Eastern (30 Nov–15 Dec).