How long is the flight from London to Cambodia?

A quick flight from London to Cambodia can take about 14h 25m. SWISS provides one of the quickest options available for as low as £754. London and Cambodia 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 London to Cambodia one-way?

£238 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 £286 and £376, 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.

£286+ 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 1 September 2026.

Thu 10/911:15 -

2 stops24h 50m

Thu 8/1019:05 -

2 stops41h 55m

Deal found 28/8£529

Thu 3/1206:00 -

2 stops29h 45m

Mon 14/1209:55 -

2 stops35h 10m

Deal found 31/8£612

Mon 28/918:55 -

1 stop16h 15m

Mon 25/121:30 -

1 stop16h 45m

Deal found 30/8£625

Sun 8/1106:00 -

2 stops29h 45m

Wed 27/116:50 -

2 stops25h 25m

Deal found 29/8£626

Mon 30/1106:00 -

2 stops29h 45m

Sun 13/1209:55 -

2 stops18h 45m

Deal found 28/8£635

Sun 27/919:50 -

1 stop15h 20m

Wed 27/118:40 -

1 stop19h 35m

Deal found 30/8£638

Tue 10/1119:25 -

2 stops40h 20m

Sat 5/1209:55 -

2 stops29h 25m

Deal found 31/8£640

Mon 30/1111:35 -

2 stops23h 30m

Sun 13/1213:20 -

1 stop33h 15m

Deal found 28/8£647

Sat 7/1107:55 -

3 stops25h 10m

Fri 13/1119:05 -

3 stops31h 55m

Deal found 28/8£647

Wed 30/906:00 -

2 stops30h 55m

Wed 7/1019:35 -

2 stops18h 45m

Deal found 31/8£652

Thu 3/911:15 -

2 stops24h 50m

Thu 24/912:55 -

2 stops24h 00m

Deal found 29/8£653

Tue 1/1219:25 -

2 stops16h 20m

Sun 13/1209:55 -

2 stops18h 45m

Deal found 28/8£653

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 1 September 2026.

Mon 30/1108:35 -

2 stops27h 10m

Sun 13/1209:55 -

2 stops28h 55m

Deal found 28/8£753

Tue 1/1221:20 -

1 stop14h 25m

Fri 11/1219:25 -

1 stop17h 00m

Deal found 28/8£754

Wed 30/914:55 -

2 stops24h 35m

Tue 6/1023:50 -

2 stops24h 55m

Deal found 31/8£766

Thu 1/1018:00 -

2 stops33h 15m

Sun 11/1009:50 -

2 stops35h 10m

Deal found 27/8£782

Fri 27/1111:00 -

1 stop25h 40m

Tue 15/1217:55 -

2 stops44h 20m

Deal found 28/8£782

Thu 1/1017:35 -

2 stops19h 20m

Tue 6/1019:35 -

2 stops27h 15m

Deal found 31/8£902

Thu 3/1209:20 -

2 stops20h 20m

Mon 14/1219:25 -

2 stops31h 10m

Deal found 31/8£1,260

Thu 3/1221:20 -

1 stop14h 25m

Mon 14/1219:25 -

1 stop17h 00m

Deal found 29/8£754

Thu 1/1021:05 -

2 stops42h 25m

Wed 14/1012:55 -

2 stops35h 50m

Deal found 27/8£770

Thu 3/1211:00 -

1 stop26h 30m

Mon 14/1218:40 -

1 stop19h 35m

Deal found 29/8£782

Thu 18/216:35 -

3 stops36h 10m

Thu 4/312:15 -

2 stops32h 10m

Deal found 31/8£792

Thu 3/1221:20 -

1 stop14h 25m

Fri 11/1219:25 -

1 stop17h 00m

Deal found 28/8£754

Tue 1/1213:30 -

2 stops22h 15m

Mon 14/1209:55 -

2 stops29h 45m

Deal found 28/8£871

Thu 18/219:50 -

3 stops32h 55m

Thu 4/312:15 -

2 stops30h 25m

Deal found 31/8£797

Wed 30/909:05 -

2 stops30h 25m

Mon 25/113:20 -

2 stops31h 30m

Deal found 31/8£797

Tue 10/1111:00 -

1 stop26h 30m

Thu 3/1217:05 -

2 stops21h 10m

Deal found 31/8£801

Mon 16/1114:05 -

2 stops24h 05m

Tue 1/1223:50 -

2 stops19h 15m

Deal found 29/8£802

Fri 25/919:30 -

2 stops17h 25m

Tue 29/919:35 -

2 stops42h 20m

Deal found 1/9£808

Sun 11/1019:50 -

2 stops55h 25m

Sun 18/1009:50 -

2 stops37h 15m

Deal found 27/8£814

Tue 1/1209:15 -

2 stops26h 30m

Sat 12/1209:55 -

2 stops33h 45m

Deal found 28/8£970

Tue 29/909:05 -

2 stops21h 10m

Tue 6/1023:50 -

2 stops18h 45m

Deal found 31/8£808

Fri 2/1006:20 -

3 stops22h 15m

Tue 6/1019:10 -

2 stops20h 20m

Deal found 30/8£809

Tue 10/1111:00 -

1 stop26h 30m

Sat 5/1221:30 -

2 stops40h 45m

Deal found 31/8£828

Thu 3/1223:55 -

2 stops38h 15m

Mon 14/1213:20 -

2 stops29h 20m

Deal found 29/8£811

Sun 11/1006:00 -

3 stops25h 00m

Sun 18/1013:30 -

2 stops23h 10m

Deal found 27/8£844

Tue 29/909:15 -

2 stops27h 40m

Wed 7/1009:40 -

2 stops29h 00m

Deal found 31/8£1,085

Fri 25/909:05 -

2 stops30h 25m

Tue 29/923:50 -

2 stops26h 25m

Deal found 30/8£816

Fri 2/1009:20 -

2 stops20h 55m

Tue 6/1019:35 -

2 stops42h 20m

Deal found 30/8£1,318

Sat 26/909:45 -

2 stops21h 15m

Sat 3/1012:15 -

2 stops24h 25m

Deal found 29/8£846

Wed 30/908:25 -

2 stops21h 50m

Wed 28/1019:25 -

2 stops42h 50m

Deal found 31/8£1,332

Find flight deals from London to Cambodia

Round-trip from	£609
One-way from	£286
Popular in	July
Cheapest in	November
Average price	£624

Austrian Airlines
3/12-14/12
4 total stops
64h 55m total
London to Cambodia

Search Deals

7/9
3 total stops
42h 25m total
London to Cambodia

Search Deals

Highest demand for flights based on searches. 14% potential increase in price (£81 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonSiem Reap

LGW London Gatwick - SAI Siem Reap–Angkor Intl

LGWSAI

London Gatwick

Mon 30/11

08:35-18:45

2 stops27h 10m

Siem Reap–Angkor Intl

Sun 13/12

09:55-07:50

2 stops28h 55m

£753

Fastest return journey

LondonSiem Reap

LGW London Gatwick - SAI Siem Reap–Angkor Intl

LGWSAI

London Gatwick

Tue 1/12

21:20-18:45

1 stop14h 25m

Siem Reap–Angkor Intl

Fri 11/12

19:25-05:25

1 stop17h 00m

£754

LondonSiem Reap

LGW London Gatwick - SAI Siem Reap–Angkor Intl

LGWSAI

London Gatwick

Thu 3/12

21:20-18:45

1 stop14h 25m

Siem Reap–Angkor Intl

Mon 14/12

19:25-05:25

1 stop17h 00m

£754

LondonSiem Reap

LGW London Gatwick - SAI Siem Reap–Angkor Intl

LGWSAI

London Gatwick

Thu 3/12

21:20-18:45

1 stop14h 25m

Siem Reap–Angkor Intl

Fri 11/12

19:25-05:25

1 stop17h 00m

£754

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Wed 30/9

14:55-21:30

2 stops24h 35m

Siem Reap–Angkor Intl

Tue 6/10

23:50-18:45

2 stops24h 55m

£766

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Thu 1/10

21:05-21:30

2 stops42h 25m

Siem Reap–Angkor Intl

Wed 14/10

12:55-18:45

2 stops35h 50m

£770

LondonKrong Preah Sihanouk

LGW London Gatwick - KOS Krong Preah Sihanouk Sihanoukville

LGWKOS

London Gatwick

Thu 1/10

18:00-09:15

2 stops33h 15m

Krong Preah Sihanouk Sihanoukville

Sun 11/10

09:50-15:00

2 stops35h 10m

£782

LondonSiem Reap

LHR London Heathrow - SAI Siem Reap–Angkor Intl

LHRSAI

London Heathrow

Fri 27/11

11:00-19:40

1 stop25h 40m

Siem Reap–Angkor Intl

Tue 15/12

17:55-07:15

2 stops44h 20m

£782

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

£782

LondonKrong Preah Sihanouk

LHR London Heathrow - KOS Krong Preah Sihanouk Sihanoukville

LHRKOS

London Heathrow

Thu 18/2

16:35-11:45

3 stops36h 10m

Krong Preah Sihanouk Sihanoukville

Thu 4/3

12:15-13:25

2 stops32h 10m

£792

Flights are sorted by cheapest return flights first.

Deals found on 31/8

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.

STN-SAI

LTN-SAI

LGW-SAI

LHR-SAI

LGW-KOS

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

STN-SAI

LTN-SAI

LGW-SAI

LHR-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 £574). Flying from London to Cambodia in July is currently the most expensive (average of £930). 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

1,591 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

1,591 reviews

Singapore Airlines

8.2

Very Good

1,591 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

418 reviews

Singapore Airlines

8.2

Very Good

1,591 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

1,529 reviews

Singapore Airlines

8.2

Very Good

1,591 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

1,591 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

317 reviews

Singapore Airlines

8.2

Very Good

1,591 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 14h 25m. SWISS provides one of the quickest options available for as low as £754. London and Cambodia 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 London to Cambodia one-way?
£238 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 £286 and £376, 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 £574). Flying from London to Cambodia in July is currently the most expensive (average of £930). 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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Top 10 airlines flying from London to Cambodia

Airline	Cheapest	Average	Flexibility	On-time
China Southern	Cheapest£234	Average£459	FlexibilityNo cancel fee	On-time69%	Search China Southern flights
Air China	Cheapest£265	Average£386	FlexibilityNo cancel fee	On-time67%	Search Air China flights
Shenzhen Airlines	Cheapest£453	Average£602	FlexibilityNo cancel fee	On-time63%	Search Shenzhen Airlines flights
Etihad Airways	Cheapest£508	Average£683	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
Austrian Airlines	Cheapest£535	Average£682	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
China Eastern	Cheapest£572	Average£629	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
Malaysia Airlines	Cheapest£583	Average£801	FlexibilityNo cancel fee	On-time67%	Search Malaysia Airlines flights
Singapore Airlines	Cheapest£594	Average£852	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights
Vietnam Airlines	Cheapest£612	Average£809	FlexibilityNo cancel fee	On-time81%	Search Vietnam Airlines flights
Cathay Pacific	Cheapest£700	Average£859	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 £286

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 1 September 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 1 September 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 1 September 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 1 September 2026.

Last-minute flights from London to CambodiaDiscover last-minute flight deals from London to Cambodia. Data last updated 1 September 2026 and is based on user searches.

Discover last-minute flight deals from London to Cambodia. Data last updated 1 September 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 1 September 2026.

Search for one-way flight options from London to Cambodia. Find affordable one-way fares based on user searches. Data last updated 1 September 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 1 September 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

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

Fly with Cheapflights

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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Travel Smart

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 1 September 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 1 September 2026.

Last-minute flights from London to Cambodia
Discover last-minute flight deals from London to Cambodia. Data last updated 1 September 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 1 September 2026.