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

A quick flight from United Kingdom to Siem Reap can take about 14h 25m. SWISS provides one of the quickest options available for as low as £754. United Kingdom and Siem Reap are separated by a distance of 6102 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 £165 on Singapore Airlines. Other airlines that offer cheap prices include Austrian Airlines from £377 and Vietnam Airlines from £419 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 Gatwick - Siem Reap–Angkor Intl or London City - 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 Thai 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.

£290+ 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 3 September 2026.

Wed 16/911:00 -

2 stops24h 10m

Wed 14/1018:05 -

2 stops42h 25m

Deal found 2/9£541

Mon 23/1110:30 -

3 stops27h 30m

Sat 28/1122:00 -

2 stops47h 00m

Deal found 3/9£590

Wed 16/922:00 -

3 stops40h 10m

Wed 14/1021:10 -

3 stops39h 30m

Deal found 2/9£591

Tue 8/911:35 -

3 stops26h 35m

Wed 7/1021:10 -

2 stops39h 30m

Deal found 2/9£591

Wed 9/911:35 -

2 stops50h 35m

Wed 7/1021:10 -

2 stops52h 00m

Deal found 2/9£592

Thu 3/1206:00 -

2 stops29h 45m

Mon 14/1219:25 -

2 stops19h 55m

Deal found 3/9£611

Wed 9/921:20 -

2 stops40h 50m

Wed 7/1021:10 -

2 stops27h 30m

Deal found 2/9£620

Mon 28/918:55 -

1 stop16h 15m

Mon 25/121:30 -

1 stop16h 45m

Deal found 30/8£628

Mon 23/1119:25 -

2 stops16h 20m

Mon 30/1116:50 -

2 stops22h 15m

Deal found 3/9£634

Mon 23/1108:35 -

2 stops27h 10m

Mon 30/1116:50 -

2 stops22h 00m

Deal found 3/9£635

Sun 27/919:50 -

1 stop15h 20m

Mon 25/118:40 -

1 stop19h 35m

Deal found 30/8£640

Tue 10/1111:30 -

2 stops39h 25m

Thu 3/1209:55 -

2 stops29h 10m

Deal found 3/9£641

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 3 September 2026.

Mon 23/1113:30 -

2 stops22h 15m

Mon 30/1116:50 -

2 stops22h 50m

Deal found 3/9£651

Tue 23/217:45 -

2 stops18h 00m

Thu 11/316:50 -

2 stops32h 10m

Deal found 1/9£716

Mon 12/1009:20 -

2 stops41h 40m

Mon 9/1109:55 -

2 stops33h 20m

Deal found 3/9£748

Thu 3/1221:20 -

1 stop14h 25m

Mon 14/1219:25 -

1 stop17h 00m

Deal found 1/9£754

Sun 22/1111:00 -

1 stop22h 55m

Thu 26/1120:30 -

1 stop17h 45m

Deal found 3/9£760

Wed 18/1109:40 -

2 stops28h 30m

Tue 1/1223:50 -

2 stops25h 35m

Deal found 29/8£765

Thu 1/1006:05 -

2 stops45h 35m

Mon 26/1019:25 -

2 stops21h 55m

Deal found 1/9£782

Thu 1/1017:35 -

2 stops19h 20m

Wed 14/1019:35 -

2 stops27h 05m

Deal found 1/9£837

Tue 16/210:05 -

1 stop22h 55m

Fri 5/316:50 -

1 stop22h 45m

Deal found 31/8£968

Thu 3/1209:20 -

2 stops20h 20m

Mon 14/1219:25 -

2 stops31h 10m

Deal found 1/9£1,259

Thu 24/905:40 -

3 stops30h 25m

Sun 27/916:00 -

3 stops25h 25m

Deal found 1/9£731

Thu 24/922:15 -

1 stop14h 30m

Sun 27/919:30 -

1 stop16h 25m

Deal found 1/9£757

Wed 30/914:55 -

2 stops24h 35m

Thu 8/1023:50 -

2 stops24h 55m

Deal found 31/8£768

Tue 10/1111:00 -

1 stop26h 30m

Thu 3/1220:30 -

1 stop17h 45m

Deal found 2/9£773

Tue 17/1113:30 -

2 stops22h 15m

Mon 30/1116:50 -

2 stops22h 50m

Deal found 29/8£777

Wed 21/1017:55 -

2 stops33h 45m

Wed 4/1116:50 -

2 stops30h 25m

Deal found 2/9£783

Wed 16/906:55 -

3 stops28h 15m

Fri 25/909:35 -

3 stops27h 45m

Deal found 2/9£731

Wed 30/914:55 -

2 stops24h 35m

Tue 6/1023:50 -

2 stops24h 55m

Deal found 31/8£768

Mon 16/1111:00 -

1 stop25h 40m

Wed 2/1221:30 -

1 stop16h 45m

Deal found 29/8£784

Mon 23/1108:35 -

2 stops27h 10m

Sun 29/1109:55 -

2 stops28h 55m

Deal found 3/9£828

Thu 19/1114:05 -

2 stops48h 05m

Thu 3/1223:50 -

2 stops25h 05m

Deal found 29/8£789

Thu 1/1007:30 -

2 stops19h 30m

Wed 7/1019:35 -

2 stops20h 20m

Deal found 31/8£957

Thu 14/112:15 -

3 stops26h 30m

Sat 23/123:50 -

2 stops24h 05m

Deal found 2/9£804

Tue 24/1111:00 -

1 stop26h 30m

Sun 29/1117:55 -

2 stops44h 20m

Deal found 3/9£825

Sun 22/1108:40 -

2 stops27h 05m

Mon 30/1116:50 -

2 stops22h 00m

Deal found 3/9£835

Mon 23/1109:40 -

2 stops28h 30m

Thu 26/1123:50 -

2 stops37h 50m

Deal found 3/9£791

Wed 4/1110:05 -

1 stop22h 55m

Wed 11/1116:50 -

1 stop22h 45m

Deal found 1/9£1,057

Fri 2/1006:20 -

3 stops22h 15m

Tue 6/1019:10 -

2 stops20h 20m

Deal found 30/8£812

Sat 14/1111:00 -

1 stop26h 30m

Sun 29/1117:55 -

2 stops44h 20m

Deal found 29/8£828

Mon 23/1113:30 -

2 stops22h 15m

Sun 29/1109:55 -

2 stops29h 45m

Deal found 3/9£843

Find flight deals from United Kingdom to Siem Reap

Round-trip from	£541
One-way from	£290
Popular in	December
Cheapest in	July
Average price	£768

16/9-14/10
4 total stops
66h 35m total
United Kingdom to Siem Reap

Search Deals

8/9-31/12
3 total stops
37h 10m total
United Kingdom to Siem Reap

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (£62 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£24 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

LTN London Luton - SAI Siem Reap–Angkor Intl

LTNSAI

London Luton

Tue 8/9

05:40-18:05

3 stops30h 25m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£290

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

EdinburghSiem Reap

EDI Edinburgh Turnhouse - SAI Siem Reap–Angkor Intl

EDISAI

Edinburgh Turnhouse

Fri 2/10

05:50-16:10

3 stops52h 20m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£323

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

£325

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

£326

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Thu 24/9

06:55-18:05

3 stops29h 10m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£330

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Thu 10/9

06:55-18:05

3 stops29h 10m

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

Thu 10/9

05:40-18:05

3 stops30h 25m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£336

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

£348

LondonSiem Reap

LGW London Gatwick - SAI Siem Reap–Angkor Intl

LGWSAI

London Gatwick

Tue 3/11

12:15-15:00

2 stops43h 45m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£356

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 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

LHR-SAI

LTN-SAI

STN-SAI

EDI-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

LHR-SAI

LTN-SAI

STN-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 £654). Flying from United Kingdom to 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 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

1,593 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

1,593 reviews

Singapore Airlines

8.2

Very Good

1,593 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

418 reviews

Singapore Airlines

8.2

Very Good

1,593 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

286 reviews

Singapore Airlines

8.2

Very Good

1,593 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

949 reviews

Singapore Airlines

8.2

Very Good

1,593 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

8,197 reviews

Singapore Airlines

8.2

Very Good

1,593 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 14h 25m. SWISS provides one of the quickest options available for as low as £754. United Kingdom and Siem Reap are separated by a distance of 6102 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 £165 on Singapore Airlines. Other airlines that offer cheap prices include Austrian Airlines from £377 and Vietnam Airlines from £419 one-way.
What are the most popular routes from United Kingdom to Siem Reap?
Most travelers choose London Heathrow - Siem Reap–Angkor Intl, London Gatwick - Siem Reap–Angkor Intl or London City - 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 £654). Flying from United Kingdom to 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

Flights by cabin class

Other flight options

Popular flights

Alternative routes for United Kingdom 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

Luton to Siem Reap flights

Birmingham to Siem Reap flights

Edinburgh to Siem Reap flights

Glasgow Intl to Siem Reap flights

Top 5 airlines flying from United Kingdom to Siem Reap

Airline	Cheapest	Average	Flexibility	On-time
Austrian Airlines	Cheapest£537	Average£685	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
Etihad Airways	Cheapest£545	Average£663	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
Vietnam Airlines	Cheapest£614	Average£812	FlexibilityNo cancel fee	On-time81%	Search Vietnam Airlines flights
Singapore Airlines	Cheapest£661	Average£938	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights
Thai Airways	Cheapest£886	Average£1,017	FlexibilityNo cancel fee	On-time77%	Search Thai Airways flights

Fly with Cheapflights

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?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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Cheap flights from the United Kingdom to Siem Reap, Cambodia from £290

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 8/9. 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 3 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 3 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 3 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 3 September 2026.

Last-minute flights from United Kingdom to Siem ReapDiscover last-minute flight deals from United Kingdom to Siem Reap. Data last updated 3 September 2026 and is based on user searches.

Discover last-minute flight deals from United Kingdom to Siem Reap. Data last updated 3 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 3 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 3 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 3 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 3 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 3 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 3 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 3 September 2026.