How long is the flight from London to Cambodia?

A quick flight from London to Cambodia can take about 23h 45m. SWISS provides one of the quickest options available for as low as £668. London and Cambodia are separated by a distance of 6084 mi. Both multi-stop and direct flights can be found to your destination and back.

What are the cheapest airlines to fly from London to Cambodia one-way?

£237 is the cheapest one-way deal found within the past few days, from Etihad Airways. You may also be able to find cheap deals on China Southern and Austrian Airlines, with prices starting from £284 and £373, respectively.

In terms of precipitation, rainfall in Cambodia ranges from 0.0 - 250.0 inches per month. October is typically the wettest month, when rainfall can reach 250.0 mm. January is typically the driest time to visit Cambodia when rainfall is around 0.0 mm.

If weather is an important factor for your trip to Cambodia, 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 25.0 C).

What are the most popular routes from London to Cambodia?

The most popular route from London to Cambodia is London Heathrow - Siem Reap–Angkor Intl. You may also consider London Gatwick - Siem Reap–Angkor Intl or London Stansted - Siem Reap–Angkor Intl.

What are the most popular airlines that fly from London to Cambodia?

The most popular airlines flying from London to Cambodia are Etihad Airways, China Southern and Singapore Airlines. Something to consider prior to booking your flight.

What is the cheapest time of day to fly from LON to KH?

When flying from London to Cambodia, 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 London to Cambodia that include hotel bookings?

Yes. In addition to deals on London to Cambodia flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from London to Cambodia?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Cambodia.

Can I find deals for business class flights from London to Cambodia?

Yes. Cheapflights offers flight deals from London to Cambodia by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£263+ Cheap Flights from London to Cambodia

Cheap flight deals from London to Cambodia

Enter your travel dates to find the best prices.

Cheapest

Best

Last-minute

One-way

Cheapest flights from London to Cambodia
Explore the most affordable flight options available from London to Cambodia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 August 2026.

Thu 10/912:35 -

2 stops23h 30m

Thu 8/1019:05 -

2 stops41h 55m

Deal found 25/8£526

Mon 30/1111:35 -

2 stops23h 30m

Wed 9/1216:50 -

1 stop27h 15m

Deal found 23/8£619

Wed 2/1211:35 -

2 stops23h 30m

Wed 9/1216:50 -

1 stop27h 15m

Deal found 23/8£620

Sun 29/1111:35 -

2 stops23h 30m

Wed 9/1216:50 -

1 stop27h 15m

Deal found 23/8£631

Wed 2/922:00 -

2 stops40h 10m

Wed 30/921:10 -

2 stops39h 30m

Deal found 23/8£633

Mon 30/1111:35 -

2 stops23h 30m

Fri 11/1216:50 -

1 stop27h 15m

Deal found 23/8£647

Thu 10/909:25 -

2 stops27h 30m

Wed 7/1009:40 -

2 stops28h 45m

Deal found 25/8£653

Thu 10/908:45 -

2 stops28h 10m

Wed 7/1009:40 -

2 stops28h 15m

Deal found 25/8£653

Mon 30/1111:05 -

2 stops24h 00m

Thu 10/1209:50 -

1 stop18h 15m

Deal found 23/8£653

Wed 2/1211:05 -

2 stops24h 00m

Thu 10/1209:50 -

1 stop18h 15m

Deal found 23/8£654

Sun 29/1111:35 -

2 stops23h 30m

Fri 11/1216:50 -

1 stop27h 15m

Deal found 23/8£659

Thu 1/1011:35 -

2 stops26h 35m

Sun 11/1022:35 -

2 stops22h 25m

Deal found 24/8£664

Best flights from London to Cambodia
Discover carefully curated flight deals from London to Cambodia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 26 August 2026.

Thu 10/913:10 -

2 stops23h 45m

Thu 8/1009:40 -

2 stops29h 00m

Deal found 25/8£668

Fri 8/118:15 -

2 stops32h 40m

Mon 18/116:50 -

2 stops23h 25m

Deal found 21/8£732

Tue 8/921:05 -

2 stops42h 25m

Thu 8/1023:50 -

2 stops24h 55m

Deal found 25/8£759

Mon 7/918:55 -

1 stop16h 15m

Sun 11/1018:05 -

1 stop29h 00m

Deal found 25/8£760

Thu 1/1022:15 -

1 stop14h 30m

Sun 11/1019:30 -

1 stop16h 25m

Deal found 24/8£761

Thu 1/1006:20 -

3 stops26h 30m

Sun 11/1016:00 -

3 stops27h 25m

Deal found 24/8£766

Mon 22/213:05 -

1 stop19h 55m

Sun 7/310:45 -

1 stop29h 20m

Deal found 22/8£803

Mon 7/921:05 -

2 stops18h 25m

Tue 6/1023:50 -

2 stops24h 55m

Deal found 25/8£765

Tue 10/1111:00 -

1 stop26h 30m

Thu 3/1217:05 -

2 stops21h 10m

Deal found 23/8£773

Tue 22/906:00 -

3 stops25h 00m

Tue 29/907:15 -

2 stops29h 25m

Deal found 25/8£787

Mon 30/1109:15 -

2 stops26h 30m

Thu 10/1209:55 -

2 stops29h 45m

Deal found 23/8£792

Mon 5/1014:35 -

2 stops24h 55m

Tue 13/1023:50 -

2 stops37h 30m

Deal found 24/8£771

Thu 3/1211:00 -

1 stop26h 30m

Mon 14/1218:40 -

1 stop19h 35m

Deal found 21/8£776

Thu 8/1006:00 -

3 stops25h 00m

Thu 15/1012:15 -

2 stops30h 20m

Deal found 23/8£794

Thu 3/1221:20 -

1 stop14h 25m

Mon 14/1219:25 -

1 stop17h 00m

Deal found 21/8£901

Fri 11/914:55 -

2 stops24h 35m

Wed 7/1012:55 -

2 stops30h 00m

Deal found 25/8£786

Mon 22/209:15 -

2 stops26h 30m

Sun 7/309:55 -

2 stops29h 45m

Deal found 22/8£869

Tue 6/1006:15 -

2 stops21h 00m

Tue 13/1007:15 -

1 stop16h 35m

Deal found 22/8£796

Sat 26/905:40 -

3 stops29h 30m

Sat 27/316:50 -

3 stops28h 10m

Deal found 22/8£807

Mon 5/1014:25 -

2 stops25h 05m

Thu 15/1023:50 -

2 stops26h 25m

Deal found 24/8£791

Tue 22/906:15 -

2 stops21h 00m

Tue 29/907:15 -

1 stop16h 35m

Deal found 25/8£801

Wed 7/1008:05 -

2 stops29h 35m

Wed 14/1009:50 -

1 stop37h 05m

Deal found 23/8£813

Sat 24/1009:00 -

2 stops21h 40m

Wed 4/1109:55 -

2 stops29h 45m

Deal found 23/8£927

Mon 22/214:05 -

2 stops24h 05m

Sun 7/313:20 -

2 stops29h 45m

Deal found 22/8£797

Thu 1/1018:55 -

1 stop32h 20m

Sun 11/1009:50 -

2 stops37h 15m

Deal found 25/8£823

Wed 28/1009:15 -

2 stops26h 30m

Sun 29/1109:55 -

2 stops29h 45m

Deal found 21/8£966

Mon 5/1014:35 -

2 stops24h 55m

Thu 15/1023:50 -

2 stops27h 40m

Deal found 24/8£801

Thu 1/1011:10 -

1 stop22h 20m

Sun 11/1009:50 -

2 stops26h 40m

Deal found 25/8£823

Thu 10/913:10 -

2 stops23h 45m

Fri 9/1009:40 -

2 stops28h 45m

Deal found 25/8£966

Mon 22/213:35 -

2 stops24h 35m

Sun 7/313:20 -

2 stops36h 05m

Deal found 22/8£803

Find flight deals from London to Cambodia

Round-trip from	£526
One-way from	£263
Popular in	July
Cheapest in	November
Average price	£824

10/9-8/10
4 total stops
65h 25m total
London to Cambodia

Search Deals

7/9
3 total stops
38h 15m total
London to Cambodia

Search Deals

Highest demand for flights based on searches. 13% potential increase in price (£80 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£17 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

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

£668

LondonSiem Reap

LCY London City - SAI Siem Reap–Angkor Intl

LCYSAI

London City

Fri 8/1

18:15-09:55

2 stops32h 40m

Siem Reap–Angkor Intl

Mon 18/1

16:50-09:15

2 stops23h 25m

£732

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Tue 8/9

21:05-21:30

2 stops42h 25m

Siem Reap–Angkor Intl

Thu 8/10

23:50-18:45

2 stops24h 55m

£759

LondonSiem Reap

LHR London Heathrow - SAI Siem Reap–Angkor Intl

LHRSAI

London Heathrow

Mon 7/9

18:55-17:10

1 stop16h 15m

Siem Reap–Angkor Intl

Sun 11/10

18:05-17:05

1 stop29h 00m

£760

Fastest return journey

LondonSiem Reap

LGW London Gatwick - SAI Siem Reap–Angkor Intl

LGWSAI

London Gatwick

Thu 1/10

22:15-18:45

1 stop14h 30m

Siem Reap–Angkor Intl

Sun 11/10

19:30-05:55

1 stop16h 25m

£761

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Mon 7/9

21:05-21:30

2 stops18h 25m

Siem Reap–Angkor Intl

Tue 6/10

23:50-18:45

2 stops24h 55m

£765

LondonSiem Reap

LTN London Luton - SAI Siem Reap–Angkor Intl

LTNSAI

London Luton

Thu 1/10

06:20-14:50

3 stops26h 30m

Siem Reap–Angkor Intl

Sun 11/10

16:00-13:25

3 stops27h 25m

£766

LondonSiem Reap

LGW London Gatwick - SAI Siem Reap–Angkor Intl

LGWSAI

London Gatwick

Mon 5/10

14:35-21:30

2 stops24h 55m

Siem Reap–Angkor Intl

Tue 13/10

23:50-07:20

2 stops37h 30m

£771

LondonSiem Reap

LHR London Heathrow - SAI Siem Reap–Angkor Intl

LHRSAI

London Heathrow

Tue 10/11

11:00-20:30

1 stop26h 30m

Siem Reap–Angkor Intl

Thu 3/12

17:05-07:15

2 stops21h 10m

£773

LondonSiem Reap

LHR London Heathrow - SAI Siem Reap–Angkor Intl

LHRSAI

London Heathrow

Thu 3/12

11:00-20:30

1 stop26h 30m

Siem Reap–Angkor Intl

Mon 14/12

18:40-07:15

1 stop19h 35m

£776

Flights are sorted by cheapest return flights first.

Deals found on 21/8

Showing 1-10 of 60 resultsSorted by cheapest first

...

Best time to book a flight from London to Cambodia

Have a flexible travel schedule? Discover the best time to fly to Cambodia from London with our price prediction graph.

LGW-SAI

LHR-SAI

LCY-SAI

LTN-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 London to Cambodia

LON-KH0

LGW-SAI

LHR-SAI

LCY-SAI

LTN-SAI

What is the cheapest month to book a flight from London to Cambodia?

Currently, November is the cheapest month in which you can book a flight from London to Cambodia (average of £589). Flying from London to Cambodia in July is currently the most expensive (average of £924). 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 far ahead should I book a flight from London to Cambodia?

The price you pay for your flight from London to Cambodia may vary depending on when you book. For the best chance of a lower fare, look to book 63 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Cambodia

Check out reviews from past customers who have flown with Singapore Airlines,Thai Airways, andEtihad Airways from London to Cambodia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Singapore Airlines

8.2

Very Good

1,587 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Sanku,Jul 2026

TRV - SIN

Very bad, not able check in using the email link. Very bad quality food. No TV in front of the seats.

Singapore Airlines

8.2

Very Good

1,587 reviews

Singapore Airlines

8.2

Very Good

1,587 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Sanku,Jul 2026

TRV - SIN

Very bad, not able check in using the email link. Very bad quality food. No TV in front of the seats.

Thai Airways

7.9

Good

417 reviews

Singapore Airlines

8.2

Very Good

1,587 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Sanku,Jul 2026

TRV - SIN

Very bad, not able check in using the email link. Very bad quality food. No TV in front of the seats.

Etihad Airways

7.3

Good

1,517 reviews

Singapore Airlines

8.2

Very Good

1,587 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Sanku,Jul 2026

TRV - SIN

Very bad, not able check in using the email link. Very bad quality food. No TV in front of the seats.

China Southern

7.3

Good

172 reviews

Singapore Airlines

8.2

Very Good

1,587 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Sanku,Jul 2026

TRV - SIN

Very bad, not able check in using the email link. Very bad quality food. No TV in front of the seats.

Malaysia Airlines

7.3

Good

315 reviews

Singapore Airlines

8.2

Very Good

1,587 reviews

Check prices

Reviews

1 / 20

2.0

Mediocre

Sanku,Jul 2026

TRV - SIN

Very bad, not able check in using the email link. Very bad quality food. No TV in front of the seats.

Related info for your journey

How long is the flight from London to Cambodia?
A quick flight from London to Cambodia can take about 23h 45m. SWISS provides one of the quickest options available for as low as £668. London and Cambodia are separated by a distance of 6084 mi. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines to fly from London to Cambodia one-way?
£237 is the cheapest one-way deal found within the past few days, from Etihad Airways. You may also be able to find cheap deals on China Southern and Austrian Airlines, with prices starting from £284 and £373, respectively.
What are the most popular routes from London to Cambodia?
The most popular route from London to Cambodia is London Heathrow - Siem Reap–Angkor Intl. You may also consider London Gatwick - Siem Reap–Angkor Intl or London Stansted - Siem Reap–Angkor Intl.
Can I find deals for flights from London to Cambodia that include hotel bookings?
Yes. In addition to deals on London to Cambodia flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from London to Cambodia?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from London to Cambodia.
Can I find deals for business class flights from London to Cambodia?
Yes. Cheapflights offers flight deals from London to Cambodia 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 London to Cambodia?
Currently, November is the cheapest month in which you can book a flight from London to Cambodia (average of £589). Flying from London to Cambodia in July is currently the most expensive (average of £924). 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

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Alternative routes for London to Cambodia

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Top 10 airlines flying from London to Cambodia

Airline	Cheapest	Average	Flexibility	On-time
China Southern	Cheapest£233	Average£522	FlexibilityNo cancel fee	On-time69%	Search China Southern flights
Air China	Cheapest£264	Average£384	FlexibilityNo cancel fee	On-time67%	Search Air China flights
Shenzhen Airlines	Cheapest£450	Average£598	FlexibilityNo cancel fee	On-time63%	Search Shenzhen Airlines flights
Etihad Airways	Cheapest£502	Average£647	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
Austrian Airlines	Cheapest£531	Average£677	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
China Eastern	Cheapest£569	Average£625	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
Malaysia Airlines	Cheapest£579	Average£796	FlexibilityNo cancel fee	On-time67%	Search Malaysia Airlines flights
Singapore Airlines	Cheapest£590	Average£843	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights
Vietnam Airlines	Cheapest£607	Average£803	FlexibilityNo cancel fee	On-time81%	Search Vietnam Airlines flights
Cathay Pacific	Cheapest£695	Average£854	FlexibilityNo cancel fee	On-time72%	Search Cathay Pacific flights

Fly with Cheapflights

How does Cheapflights help users find flights from London to Cambodia?

Cheapflights makes it easy to find London to Cambodia flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from London to Cambodia?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to Cambodia for you. Better yet — we are completely free to use.

Can Cheapflights find flights from London to Cambodia with no change fees?

Certainly. Search results for flights to Cambodia from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from London to Cambodia become cheaper?

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

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Cheap flights from London to Cambodia from £263

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 London to Cambodia

Cheapest flights from London to CambodiaExplore the most affordable flight options available from London to Cambodia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 August 2026.

Explore the most affordable flight options available from London to Cambodia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 August 2026.

Best flights from London to CambodiaDiscover carefully curated flight deals from London to Cambodia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 26 August 2026.

Discover carefully curated flight deals from London to Cambodia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 26 August 2026.

Last-minute flights from London to CambodiaDiscover last-minute flight deals from London to Cambodia. Data last updated 26 August 2026 and is based on user searches.

Discover last-minute flight deals from London to Cambodia. Data last updated 26 August 2026 and is based on user searches.

One-way flights from London to CambodiaSearch for one-way flight options from London to Cambodia. Find affordable one-way fares based on user searches. Data last updated 26 August 2026.

Search for one-way flight options from London to Cambodia. Find affordable one-way fares based on user searches. Data last updated 26 August 2026.

Find flight deals from London to Cambodia

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 London to Cambodia that are best for you.

Best time to book a flight from London to Cambodia

Have a flexible travel schedule? Discover the best time to fly to Cambodia from London with our price prediction graph.

Cheapflights Insights

What is the cheapest month to book a flight from London to Cambodia?

How far ahead should I book a flight from London to Cambodia?

The price you pay for your flight from London to Cambodia may vary depending on when you book. For the best chance of a lower fare, look to book 63 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

Reviews of airlines servicing Cambodia

Check out reviews from past customers who have flown with Singapore Airlines,Thai Airways, andEtihad Airways from London to Cambodia to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

How long is the flight from London to Cambodia?

What are the cheapest airlines to fly from London to Cambodia one-way?

What are the most popular routes from London to Cambodia?

Can I find deals for flights from London to Cambodia that include hotel bookings?

How can I find direct flights from London to Cambodia?

Can I find deals for business class flights from London to Cambodia?

What is the cheapest month to book a flight from London to Cambodia?

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 London to Cambodia

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Cambodia 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 London to Cambodia by cabin class

Find flights from London to Cambodia, based on your preferred cabin class, be it economy, premium economy, business, or first class.

London and Cambodia flights

Browse other London and Cambodia flight options. Last updated on 26 August 2026.

Popular flight searches

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London to Cambodia flights

Consider these flights travelling from London to Cambodia.

Fly to Cambodia regions

Consider these flights travelling to Cambodia regions.

Top 10 airlines flying from London to Cambodia

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How does Cheapflights help users find flights from London to Cambodia?

Why should you use Cheapflights to find cheap flight tickets from London to Cambodia?

Can Cheapflights find flights from London to Cambodia with no change fees?

Can Cheapflights notify me if prices for flights from London to Cambodia become cheaper?

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Cheapest flights from London to Cambodia
Explore the most affordable flight options available from London to Cambodia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 August 2026.

Best flights from London to Cambodia
Discover carefully curated flight deals from London to Cambodia that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 26 August 2026.

Last-minute flights from London to Cambodia
Discover last-minute flight deals from London to Cambodia. Data last updated 26 August 2026 and is based on user searches.

One-way flights from London to Cambodia
Search for one-way flight options from London to Cambodia. Find affordable one-way fares based on user searches. Data last updated 26 August 2026.