How long is the flight from United Kingdom to Siem Reap?

A quick flight from United Kingdom to Siem Reap can take about 16h 20m. Austrian Airlines provides one of the quickest options available for as low as £637. United Kingdom and Siem Reap are separated by a distance of 6106 mi. Both multi-stop and direct flights can be found to your destination and back.

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

One-way options have recently been found by users for as low as £166 on Singapore Airlines. Other airlines that offer cheap prices include Austrian Airlines from £380 and Vietnam Airlines from £422 one-way.

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 United Kingdom to Siem Reap?

Most travelers choose London Heathrow - Siem Reap–Angkor Intl, London City - Siem Reap–Angkor Intl or London Gatwick - Siem Reap–Angkor Intl when deciding on the best route from United Kingdom to Siem Reap.

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

Before booking your flight from United Kingdom to Siem Reap check out the most popular airlines for this route: Singapore Airlines, Vietnam Airlines or British Airways.

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

When flying from United Kingdom to 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.

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

Siem Reap–Angkor Intl (SAI) is the airport you will fly into if you book a flight from United Kingdom to Siem Reap. It is only a 24.7 mi journey from Siem Reap–Angkor Intl (SAI) to Siem Reap’s city center.

Can I find deals for flights from United Kingdom to Siem Reap that include hotel bookings?

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

How can I find direct flights from United Kingdom to Siem Reap?

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

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

Yes. Cheapflights offers flight deals from United Kingdom 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.

£330+ Cheap Flights from the United Kingdom to Siem Reap, Cambodia

Cheap flight deals from United Kingdom to Siem Reap

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from United Kingdom to Siem Reap
Explore the most affordable flight options available from United Kingdom to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 September 2026.

Mon 21/911:15 -

2 stops24h 50m

Tue 29/919:05 -

2 stops41h 55m

Deal found 15/9£491

Fri 6/1110:30 -

3 stops27h 30m

Sat 14/1122:00 -

2 stops47h 00m

Deal found 18/9£592

Thu 24/911:35 -

3 stops26h 35m

Wed 7/1021:10 -

2 stops39h 30m

Deal found 19/9£594

Thu 3/1206:00 -

2 stops29h 30m

Mon 14/1209:55 -

2 stops18h 45m

Deal found 16/9£631

Tue 10/1107:10 -

3 stops25h 55m

Thu 26/1112:45 -

2 stops24h 45m

Deal found 16/9£633

Mon 16/1106:05 -

3 stops31h 55m

Sun 6/1219:05 -

3 stops35h 50m

Deal found 15/9£650

Mon 7/1214:00 -

2 stops36h 55m

Thu 20/509:40 -

2 stops28h 35m

Deal found 19/9£673

Mon 21/907:15 -

3 stops27h 55m

Tue 29/923:50 -

3 stops28h 20m

Deal found 15/9£675

Thu 24/918:00 -

3 stops35h 10m

Wed 7/1019:05 -

2 stops25h 55m

Deal found 17/9£675

Wed 23/922:10 -

2 stops37h 55m

Wed 30/919:10 -

1 stop27h 45m

Deal found 15/9£676

Fri 6/1119:25 -

2 stops16h 05m

Fri 20/1116:50 -

2 stops27h 00m

Deal found 15/9£681

Thu 24/906:40 -

2 stops24h 35m

Wed 7/1009:40 -

2 stops35h 40m

Deal found 18/9£687

Best flights from United Kingdom to Siem Reap
Discover carefully curated flight deals from United Kingdom to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 September 2026.

Sat 23/119:25 -

2 stops16h 20m

Sat 6/209:55 -

2 stops18h 45m

Deal found 16/9£637

Fri 6/1110:40 -

2 stops24h 25m

Fri 20/1119:05 -

2 stops43h 05m

Deal found 15/9£718

Fri 2/1009:20 -

2 stops41h 40m

Fri 9/1019:20 -

2 stops41h 35m

Deal found 15/9£723

Sat 20/213:05 -

1 stop19h 55m

Tue 2/310:45 -

1 stop29h 20m

Deal found 16/9£762

Wed 30/914:55 -

2 stops24h 35m

Tue 20/1023:50 -

2 stops24h 55m

Deal found 17/9£767

Thu 3/1211:00 -

1 stop26h 30m

Mon 14/1221:30 -

1 stop16h 45m

Deal found 15/9£787

Thu 3/1221:20 -

1 stop14h 10m

Mon 14/1219:25 -

1 stop17h 00m

Deal found 15/9£810

Sat 23/112:20 -

2 stops23h 25m

Fri 5/209:55 -

2 stops32h 45m

Deal found 16/9£990

Thu 3/1209:20 -

2 stops20h 20m

Mon 14/1219:25 -

2 stops42h 50m

Deal found 16/9£1,330

Wed 28/1014:05 -

2 stops24h 05m

Tue 3/1113:20 -

2 stops29h 45m

Deal found 19/9£800

Tue 10/1111:00 -

1 stop23h 40m

Sat 5/1221:30 -

2 stops40h 45m

Deal found 19/9£828

Sun 7/208:25 -

3 stops24h 40m

Thu 18/220:45 -

2 stops25h 50m

Deal found 15/9£837

Tue 10/1121:20 -

1 stop14h 10m

Mon 25/119:25 -

1 stop17h 00m

Deal found 17/9£856

Sat 23/109:20 -

1 stop23h 40m

Fri 5/210:45 -

1 stop26h 40m

Deal found 16/9£864

Wed 14/1014:35 -

2 stops24h 55m

Tue 3/1123:50 -

2 stops25h 35m

Deal found 19/9£802

Mon 9/1111:00 -

1 stop22h 55m

Tue 26/117:55 -

1 stop20h 20m

Deal found 17/9£840

Fri 13/1113:05 -

1 stop19h 55m

Fri 20/1116:50 -

1 stop23h 15m

Deal found 15/9£864

Sat 17/1009:20 -

2 stops44h 55m

Mon 25/109:55 -

2 stops33h 20m

Deal found 19/9£974

Wed 28/1020:15 -

2 stops17h 55m

Mon 18/113:20 -

2 stops29h 45m

Deal found 17/9£806

Tue 10/1111:00 -

3 stops46h 10m

Thu 3/1217:05 -

2 stops21h 10m

Deal found 19/9£842

Tue 20/1020:45 -

2 stops40h 10m

Thu 28/113:20 -

2 stops35h 40m

Deal found 19/9£976

Thu 1/1017:35 -

2 stops19h 20m

Wed 14/1017:20 -

3 stops29h 20m

Deal found 16/9£982

Wed 4/1114:05 -

2 stops24h 05m

Wed 20/113:20 -

2 stops29h 45m

Deal found 17/9£840

Wed 28/1011:00 -

2 stops22h 10m

Thu 14/117:55 -

1 stop20h 20m

Deal found 17/9£848

Sat 17/1009:20 -

2 stops44h 55m

Sun 24/119:25 -

2 stops47h 50m

Deal found 19/9£1,000

Wed 4/1114:05 -

2 stops24h 05m

Mon 25/113:20 -

2 stops29h 45m

Deal found 17/9£840

Mon 9/1111:00 -

1 stop25h 40m

Sat 23/117:05 -

2 stops21h 10m

Deal found 17/9£848

Fri 6/1109:15 -

2 stops26h 15m

Fri 22/109:55 -

2 stops32h 45m

Deal found 17/9£1,251

Thu 11/323:00 -

2 stops27h 15m

Fri 26/317:05 -

3 stops26h 50m

Deal found 18/9£1,054

Wed 30/909:05 -

2 stops21h 10m

Wed 21/1012:55 -

2 stops29h 40m

Deal found 18/9£842

Find flight deals from United Kingdom to Siem Reap

Round-trip from	£592
One-way from	£330
Popular in	December
Cheapest in	July
Average price	£771

China Eastern
6/11-14/11
5 total stops
74h 30m total
United Kingdom to Siem Reap

Search Deals

9/11-31/12
3 total stops
27h 00m total
United Kingdom to Siem Reap

Search Deals

Highest demand for flights based on searches. 6% potential increase in price (£45 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£23 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Tue 8/12

12:55-15:00

2 stops43h 05m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£342

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Sat 13/3

17:00-16:05

3 stops40h 05m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£354

ManchesterSiem Reap

MAN Manchester - SAI Siem Reap–Angkor Intl

MANSAI

Manchester

Tue 8/12

13:55-15:00

3 stops42h 05m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£369

LondonSiem Reap

LTN London Luton - SAI Siem Reap–Angkor Intl

LTNSAI

London Luton

Sat 13/3

21:30-16:00

3 stops35h 30m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£385

ManchesterSiem Reap

MAN Manchester - SAI Siem Reap–Angkor Intl

MANSAI

Manchester

Mon 7/12

18:30-17:40

2 stops40h 10m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£392

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Tue 20/10

08:30-14:05

3 stops23h 35m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£393

LondonSiem Reap

LTN London Luton - SAI Siem Reap–Angkor Intl

LTNSAI

London Luton

Sun 24/1

19:45-15:00

3 stops36h 15m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£394

LondonSiem Reap

LTN London Luton - SAI Siem Reap–Angkor Intl

LTNSAI

London Luton

Sat 23/1

07:35-19:30

3 stops28h 55m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£397

LondonSiem Reap

LTN London Luton - SAI Siem Reap–Angkor Intl

LTNSAI

London Luton

Thu 21/1

18:55-15:00

3 stops37h 05m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£397

LondonSiem Reap

LTN London Luton - SAI Siem Reap–Angkor Intl

LTNSAI

London Luton

Mon 14/12

05:00-15:00

3 stops27h 00m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£405

Flights are sorted by cheapest return flights first.

Deals found on 19/9

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from United Kingdom to Siem Reap

Have a flexible travel schedule? Discover the best time to fly to Siem Reap from United Kingdom with our price prediction graph.

LGW-SAI

LTN-SAI

LHR-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 the United Kingdom to Siem Reap

GB0-SAI

LGW-SAI

LTN-SAI

LHR-SAI

MAN-SAI

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

Currently, June is the cheapest month in which you can book a flight from United Kingdom to Siem Reap (average of £658). Flying from United Kingdom to Siem Reap in December is currently the most expensive (average of £949). 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 through reviews of airlines operating flights from the United Kingdom to Siem Reap, such as Singapore Airlines,Thai Airways, andVietnam Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Singapore Airlines

8.2

Very Good

1,606 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Matt,Jun 2026

SIN - CMB

Crew were flat or busy but so awesome and polite. There was one guy, prob the senior crew member, looked and acted way too serious and too important to smile and say hello

Singapore Airlines

8.2

Very Good

1,606 reviews

Singapore Airlines

8.2

Very Good

1,606 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Matt,Jun 2026

SIN - CMB

Crew were flat or busy but so awesome and polite. There was one guy, prob the senior crew member, looked and acted way too serious and too important to smile and say hello

Thai Airways

7.9

Good

420 reviews

Singapore Airlines

8.2

Very Good

1,606 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Matt,Jun 2026

SIN - CMB

Crew were flat or busy but so awesome and polite. There was one guy, prob the senior crew member, looked and acted way too serious and too important to smile and say hello

Vietnam Airlines

7.7

Good

288 reviews

Singapore Airlines

8.2

Very Good

1,606 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Matt,Jun 2026

SIN - CMB

Crew were flat or busy but so awesome and polite. There was one guy, prob the senior crew member, looked and acted way too serious and too important to smile and say hello

Austrian Airlines

7.6

Good

967 reviews

Singapore Airlines

8.2

Very Good

1,606 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Matt,Jun 2026

SIN - CMB

Crew were flat or busy but so awesome and polite. There was one guy, prob the senior crew member, looked and acted way too serious and too important to smile and say hello

British Airways

6.7

Okay

8,224 reviews

Singapore Airlines

8.2

Very Good

1,606 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Matt,Jun 2026

SIN - CMB

Crew were flat or busy but so awesome and polite. There was one guy, prob the senior crew member, looked and acted way too serious and too important to smile and say hello

Related info for your journey

What airport do you fly into for flights to Siem Reap from United Kingdom?
Siem Reap–Angkor Intl (SAI) is the airport you will fly into if you book a flight from United Kingdom to Siem Reap. It is only a 24.7 mi journey from Siem Reap–Angkor Intl (SAI) to Siem Reap’s city center.
How long is the flight from United Kingdom to Siem Reap?
A quick flight from United Kingdom to Siem Reap can take about 16h 20m. Austrian Airlines provides one of the quickest options available for as low as £637. United Kingdom and Siem Reap are separated by a distance of 6106 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines to fly from United Kingdom to Siem Reap one-way?
One-way options have recently been found by users for as low as £166 on Singapore Airlines. Other airlines that offer cheap prices include Austrian Airlines from £380 and Vietnam Airlines from £422 one-way.
What are the most popular routes from United Kingdom to Siem Reap?
Most travelers choose London Heathrow - Siem Reap–Angkor Intl, London City - Siem Reap–Angkor Intl or London Gatwick - Siem Reap–Angkor Intl when deciding on the best route from United Kingdom to Siem Reap.
Can I find deals for flights from United Kingdom to Siem Reap that include hotel bookings?
Yes. In addition to deals on United Kingdom to Siem Reap flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from United Kingdom to Siem Reap?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from United Kingdom to Siem Reap.
Can I find deals for business class flights from United Kingdom to Siem Reap?
Yes. Cheapflights offers flight deals from United Kingdom 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 United Kingdom to Siem Reap?
Currently, June is the cheapest month in which you can book a flight from United Kingdom to Siem Reap (average of £658). Flying from United Kingdom to Siem Reap in December is currently the most expensive (average of £949). 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 United Kingdom 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

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 United Kingdom to Siem Reap

Airline	Cheapest	Average	Flexibility	On-time
Austrian Airlines	Cheapest£541	Average£690	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
Etihad Airways	Cheapest£549	Average£668	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
Vietnam Airlines	Cheapest£618	Average£818	FlexibilityNo cancel fee	On-time81%	Search Vietnam Airlines flights
Singapore Airlines	Cheapest£666	Average£944	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights
Thai Airways	Cheapest£892	Average£1,002	FlexibilityNo cancel fee	On-time77%	Search Thai Airways flights

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

Cheapflights helps you search for flights from United Kingdom to Siem Reap via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.

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

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Siem Reap from United Kingdom.

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

Yes! Cheapflights helps users easily find flights from United Kingdom to Siem Reap with no change fees.

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

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Cheap flights from the United Kingdom to Siem Reap, Cambodia from £330

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/11. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from United Kingdom to Siem Reap

Cheapest flights from United Kingdom to Siem ReapExplore the most affordable flight options available from United Kingdom to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 September 2026.

Explore the most affordable flight options available from United Kingdom to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 September 2026.

Best flights from United Kingdom to Siem ReapDiscover carefully curated flight deals from United Kingdom to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 September 2026.

Discover carefully curated flight deals from United Kingdom to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 September 2026.

Last-minute flights from United Kingdom to Siem ReapDiscover last-minute flight deals from United Kingdom to Siem Reap. Data last updated 20 September 2026 and is based on user searches.

Discover last-minute flight deals from United Kingdom to Siem Reap. Data last updated 20 September 2026 and is based on user searches.

One-way flights from United Kingdom to Siem ReapSearch for one-way flight options from United Kingdom to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 20 September 2026.

Search for one-way flight options from United Kingdom to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 20 September 2026.

Find flight deals from United Kingdom 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 the United Kingdom to Siem Reap that are best for you.

Best time to book a flight from United Kingdom to Siem Reap

Have a flexible travel schedule? Discover the best time to fly to Siem Reap from United Kingdom with our price prediction graph.

Cheapflights Insights

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

Reviews of airlines servicing Siem Reap

Read through reviews of airlines operating flights from the United Kingdom to Siem Reap, such as Singapore Airlines,Thai Airways, andVietnam Airlines. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

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

How long is the flight from United Kingdom to Siem Reap?

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

What are the most popular routes from United Kingdom to Siem Reap?

Can I find deals for flights from United Kingdom to Siem Reap that include hotel bookings?

How can I find direct flights from United Kingdom to Siem Reap?

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

What is the cheapest month to book a flight from United Kingdom 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 United Kingdom 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 United Kingdom to Siem Reap by cabin class

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

United Kingdom and Siem Reap flights

Browse other United Kingdom and Siem Reap flight options. Last updated on 20 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Top 5 airlines flying from United Kingdom to Siem Reap

Fly with Cheapflights

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

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

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

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

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Travel Smart

Cheapest flights from United Kingdom to Siem Reap
Explore the most affordable flight options available from United Kingdom to Siem Reap. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 20 September 2026.

Best flights from United Kingdom to Siem Reap
Discover carefully curated flight deals from United Kingdom to Siem Reap that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 20 September 2026.

Last-minute flights from United Kingdom to Siem Reap
Discover last-minute flight deals from United Kingdom to Siem Reap. Data last updated 20 September 2026 and is based on user searches.

One-way flights from United Kingdom to Siem Reap
Search for one-way flight options from United Kingdom to Siem Reap. Find affordable one-way fares based on user searches. Data last updated 20 September 2026.