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

A quick flight from United Kingdom to Siem Reap can take about 28h 10m. SWISS provides one of the quickest options available for as low as £657. 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 £164 on Singapore Airlines. Other airlines that offer cheap prices include Austrian Airlines from £375 and Vietnam Airlines from £417 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 Stansted - 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.

£267+ 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 29 August 2026.

Thu 10/911:15 -

2 stops24h 50m

Thu 8/1019:05 -

2 stops41h 55m

Deal found 28/8£528

Mon 16/1111:35 -

2 stops23h 30m

Mon 30/1119:05 -

2 stops42h 50m

Deal found 26/8£559

Mon 21/921:20 -

3 stops40h 50m

Tue 15/1222:00 -

3 stops50h 30m

Deal found 26/8£619

Mon 21/906:55 -

3 stops29h 10m

Tue 15/1220:30 -

2 stops27h 10m

Deal found 26/8£624

Sun 8/1106:00 -

2 stops29h 45m

Wed 27/116:50 -

2 stops25h 25m

Deal found 29/8£625

Mon 30/1106:00 -

2 stops29h 45m

Sun 13/1209:55 -

2 stops18h 45m

Deal found 28/8£634

Mon 21/905:40 -

3 stops30h 25m

Tue 15/1218:40 -

2 stops22h 50m

Deal found 26/8£637

Mon 30/1111:35 -

2 stops23h 30m

Sun 13/1213:20 -

1 stop33h 15m

Deal found 28/8£646

Sat 7/1107:55 -

3 stops25h 10m

Fri 13/1119:05 -

3 stops31h 55m

Deal found 28/8£646

Mon 21/906:55 -

3 stops28h 15m

Fri 25/919:35 -

2 stops41h 20m

Deal found 26/8£650

Thu 3/911:15 -

2 stops24h 50m

Thu 24/912:55 -

2 stops24h 00m

Deal found 29/8£652

Tue 1/1219:25 -

2 stops16h 20m

Sun 13/1209:55 -

2 stops18h 45m

Deal found 28/8£652

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 29 August 2026.

Mon 21/905:40 -

3 stops30h 25m

Tue 15/1218:40 -

2 stops22h 50m

Deal found 26/8£637

Thu 10/908:45 -

2 stops28h 10m

Wed 7/1009:40 -

2 stops28h 15m

Deal found 25/8£657

Mon 21/920:45 -

2 stops30h 15m

Sun 4/1019:20 -

2 stops29h 30m

Deal found 25/8£747

Tue 1/1221:20 -

1 stop14h 25m

Fri 11/1219:25 -

1 stop17h 00m

Deal found 28/8£752

Tue 17/1114:05 -

2 stops48h 05m

Tue 1/1223:50 -

2 stops25h 05m

Deal found 26/8£758

Thu 10/918:55 -

1 stop31h 50m

Sat 10/1022:35 -

2 stops25h 15m

Deal found 26/8£766

Fri 30/1013:05 -

1 stop19h 55m

Thu 5/1110:45 -

1 stop26h 40m

Deal found 24/8£797

Wed 30/908:25 -

2 stops21h 50m

Wed 28/1019:25 -

2 stops42h 50m

Deal found 29/8£1,185

Mon 21/906:40 -

3 stops29h 25m

Tue 15/1220:30 -

2 stops26h 35m

Deal found 26/8£653

Mon 21/908:00 -

2 stops28h 55m

Tue 15/1209:55 -

2 stops29h 45m

Deal found 26/8£671

Thu 10/913:10 -

2 stops23h 45m

Thu 8/1009:40 -

2 stops29h 00m

Deal found 25/8£671

Thu 10/905:40 -

3 stops29h 30m

Thu 8/1015:10 -

3 stops27h 15m

Deal found 28/8£674

Sun 29/1121:20 -

1 stop14h 25m

Fri 11/1219:25 -

1 stop17h 00m

Deal found 28/8£752

Sun 13/920:45 -

2 stops33h 30m

Thu 24/915:10 -

2 stops33h 40m

Deal found 28/8£759

Tue 8/921:05 -

2 stops42h 25m

Thu 8/1023:50 -

2 stops24h 55m

Deal found 25/8£763

Thu 3/1211:00 -

1 stop26h 30m

Mon 14/1218:40 -

1 stop19h 35m

Deal found 24/8£783

Sat 5/1207:40 -

2 stops43h 15m

Sat 19/1209:55 -

2 stops39h 30m

Deal found 25/8£684

Thu 3/1221:20 -

1 stop14h 25m

Mon 14/1219:25 -

1 stop17h 00m

Deal found 28/8£754

Thu 10/906:55 -

3 stops29h 10m

Thu 8/1018:05 -

2 stops28h 25m

Deal found 28/8£691

Mon 16/1114:05 -

2 stops24h 05m

Tue 1/1223:50 -

2 stops25h 05m

Deal found 26/8£767

Tue 10/1111:00 -

1 stop26h 30m

Thu 3/1217:05 -

2 stops21h 10m

Deal found 25/8£786

Tue 17/1121:20 -

1 stop14h 25m

Tue 1/1219:25 -

1 stop17h 00m

Deal found 26/8£764

Mon 21/921:05 -

2 stops18h 25m

Fri 25/912:55 -

2 stops35h 50m

Deal found 26/8£783

Tue 17/1113:30 -

2 stops22h 15m

Mon 30/1116:50 -

2 stops22h 50m

Deal found 26/8£718

Tue 10/1111:00 -

1 stop26h 30m

Sat 5/1221:30 -

2 stops40h 45m

Deal found 28/8£829

Tue 13/1009:20 -

2 stops27h 35m

Tue 27/1014:10 -

2 stops23h 05m

Deal found 27/8£762

Fri 13/1114:05 -

2 stops24h 05m

Tue 1/1223:50 -

2 stops25h 05m

Deal found 26/8£787

Sat 19/918:40 -

2 stops42h 15m

Sat 3/1009:40 -

2 stops33h 40m

Deal found 25/8£761

Wed 4/1119:55 -

2 stops18h 50m

Wed 11/1109:55 -

2 stops27h 20m

Deal found 27/8£774

Fri 11/914:55 -

2 stops24h 35m

Wed 7/1012:55 -

2 stops30h 00m

Deal found 25/8£790

Find flight deals from United Kingdom to Siem Reap

Round-trip from	£529
One-way from	£267
Popular in	December
Cheapest in	July
Average price	£919

10/9-8/10
4 total stops
65h 25m total
United Kingdom to Siem Reap

Search Deals

7/9
3 total stops
42h 25m total
United Kingdom to Siem Reap

Search Deals

Highest demand for flights based on searches. 9% potential increase in price (£64 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 August 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

Mon 21/9

05:40-18:05

3 stops30h 25m

Siem Reap–Angkor Intl

Tue 15/12

18:40-10:30

2 stops22h 50m

£637

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Mon 21/9

06:40-18:05

3 stops29h 25m

Siem Reap–Angkor Intl

Tue 15/12

20:30-16:05

2 stops26h 35m

£653

LondonSiem Reap

LHR London Heathrow - SAI Siem Reap–Angkor Intl

LHRSAI

London Heathrow

Thu 10/9

08:45-18:55

2 stops28h 10m

Siem Reap–Angkor Intl

Wed 7/10

09:40-07:55

2 stops28h 15m

£657

LondonSiem Reap

LCY London City - SAI Siem Reap–Angkor Intl

LCYSAI

London City

Mon 21/9

08:00-18:55

2 stops28h 55m

Siem Reap–Angkor Intl

Tue 15/12

09:55-08:40

2 stops29h 45m

£671

LondonSiem Reap

LCY London City - SAI Siem Reap–Angkor Intl

LCYSAI

London City

Thu 10/9

13:10-18:55

2 stops23h 45m

Siem Reap–Angkor Intl

Thu 8/10

09:40-08:40

2 stops29h 00m

£671

LondonSiem Reap

LTN London Luton - SAI Siem Reap–Angkor Intl

LTNSAI

London Luton

Thu 10/9

05:40-17:10

3 stops29h 30m

Siem Reap–Angkor Intl

Thu 8/10

15:10-12:25

3 stops27h 15m

£674

EdinburghSiem Reap

EDI Edinburgh Turnhouse - SAI Siem Reap–Angkor Intl

EDISAI

Edinburgh Turnhouse

Sat 5/12

07:40-09:55

2 stops43h 15m

Siem Reap–Angkor Intl

Sat 19/12

09:55-18:25

2 stops39h 30m

£684

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

Thu 8/10

18:05-16:30

2 stops28h 25m

£691

LondonSiem Reap

LCY London City - SAI Siem Reap–Angkor Intl

LCYSAI

London City

Tue 17/11

13:30-18:45

2 stops22h 15m

Siem Reap–Angkor Intl

Mon 30/11

16:50-08:40

2 stops22h 50m

£718

ManchesterSiem Reap

MAN Manchester - SAI Siem Reap–Angkor Intl

MANSAI

Manchester

Mon 21/9

20:45-09:00

2 stops30h 15m

Siem Reap–Angkor Intl

Sun 4/10

19:20-18:50

2 stops29h 30m

£747

Flights are sorted by cheapest return flights first.

Deals found on 25/8

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 £650). Flying from United Kingdom to Siem Reap in December is currently the most expensive (average of £972). 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

1,589 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

1,589 reviews

Singapore Airlines

8.2

Very Good

1,589 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

417 reviews

Singapore Airlines

8.2

Very Good

1,589 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

1,589 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

951 reviews

Singapore Airlines

8.2

Very Good

1,589 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

8,194 reviews

Singapore Airlines

8.2

Very Good

1,589 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 28h 10m. SWISS provides one of the quickest options available for as low as £657. 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 £164 on Singapore Airlines. Other airlines that offer cheap prices include Austrian Airlines from £375 and Vietnam Airlines from £417 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 Stansted - 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 £650). Flying from United Kingdom to Siem Reap in December is currently the most expensive (average of £972). 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

Stansted to Siem Reap flights

London City 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£534	Average£681	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
Etihad Airways	Cheapest£542	Average£660	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
Vietnam Airlines	Cheapest£611	Average£807	FlexibilityNo cancel fee	On-time81%	Search Vietnam Airlines flights
Singapore Airlines	Cheapest£658	Average£928	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights
Thai Airways	Cheapest£881	Average£1,012	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 £267

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 7/9. 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 29 August 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 29 August 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 29 August 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 29 August 2026.

Last-minute flights from United Kingdom to Siem ReapDiscover last-minute flight deals from United Kingdom to Siem Reap. Data last updated 29 August 2026 and is based on user searches.

Discover last-minute flight deals from United Kingdom to Siem Reap. Data last updated 29 August 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 29 August 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 29 August 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 29 August 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 29 August 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 29 August 2026.

Last-minute flights from United Kingdom to Siem Reap
Discover last-minute flight deals from United Kingdom to Siem Reap. Data last updated 29 August 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 29 August 2026.