How long is the flight from London to Cambodia?

A quick flight from London to Cambodia can take about 20h 15m. Shenzhen Airlines provides one of the quickest options available for as low as £693. London and Cambodia are separated by a distance of 6246 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?

£243 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 Shenzhen Airlines and XiamenAir, with prices starting from £273 and £284, 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 City - Siem Reap–Angkor Intl or London Gatwick - 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.

£296+ 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 8 November 2026.

Wed 11/1121:10 -

1 stop30h 30m

Fri 11/1211:40 -

1 stop38h 30m

Deal found 5/11£447

Sat 21/1121:10 -

1 stop30h 30m

Sat 5/1211:40 -

1 stop38h 30m

Deal found 7/11£449

Wed 11/1121:10 -

1 stop30h 30m

Wed 25/1111:40 -

1 stop39h 50m

Deal found 6/11£450

Sun 22/1121:10 -

1 stop30h 30m

Wed 2/1211:40 -

1 stop39h 50m

Deal found 6/11£453

Thu 19/1122:30 -

1 stop29h 10m

Sat 5/1211:40 -

1 stop38h 30m

Deal found 7/11£463

Wed 11/1121:10 -

1 stop30h 30m

Fri 27/1111:40 -

1 stop38h 30m

Deal found 3/11£463

Thu 19/1122:30 -

1 stop29h 10m

Sat 5/1211:40 -

1 stop38h 30m

Deal found 5/11£466

Sat 21/1121:10 -

1 stop30h 30m

Sun 27/1211:40 -

1 stop38h 30m

Deal found 3/11£467

Sat 21/1121:10 -

1 stop30h 30m

Mon 21/1211:40 -

1 stop39h 50m

Deal found 5/11£470

Fri 13/1109:50 -

1 stop18h 00m

Tue 24/1116:10 -

1 stop21h 30m

Deal found 4/11£472

Fri 4/1209:50 -

1 stop22h 15m

Sun 20/1216:10 -

1 stop21h 20m

Deal found 3/11£475

Sun 6/1222:00 -

1 stop29h 50m

Wed 16/1216:10 -

1 stop33h 25m

Deal found 3/11£478

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 8 November 2026.

Wed 25/1121:10 -

1 stop30h 30m

Mon 21/1211:40 -

1 stop39h 50m

Deal found 5/11£537

Mon 23/1114:50 -

2 stops20h 30m

Mon 21/1208:15 -

2 stops19h 50m

Deal found 5/11£571

Thu 28/121:00 -

1 stop20h 15m

Sun 7/212:40 -

3 stops35h 50m

Deal found 7/11£693

Thu 3/1209:00 -

2 stops26h 30m

Wed 16/1209:55 -

2 stops18h 45m

Deal found 3/11£732

Mon 5/420:45 -

1 stop16h 25m

Tue 27/408:35 -

1 stop16h 10m

Deal found 7/11£776

Thu 3/1220:15 -

2 stops41h 55m

Wed 16/1213:20 -

2 stops29h 45m

Deal found 3/11£785

Mon 23/1111:00 -

1 stop25h 40m

Mon 21/1218:40 -

1 stop19h 35m

Deal found 5/11£803

Sat 21/1108:40 -

2 stops23h 45m

Mon 21/1217:10 -

2 stops19h 45m

Deal found 5/11£848

Thu 3/1221:20 -

1 stop14h 10m

Mon 14/1219:25 -

1 stop17h 00m

Deal found 3/11£908

Wed 3/317:25 -

2 stops32h 50m

Sun 28/312:55 -

2 stops39h 35m

Deal found 4/11£976

Wed 3/221:10 -

1 stop30h 30m

Sun 14/211:40 -

1 stop38h 30m

Deal found 3/11£609

Sun 22/1113:40 -

2 stops34h 00m

Tue 1/1200:25 -

2 stops28h 35m

Deal found 6/11£609

Sat 6/221:10 -

1 stop30h 30m

Sat 27/211:40 -

1 stop38h 30m

Deal found 5/11£612

Tue 8/1210:55 -

2 stops30h 20m

Sat 12/1219:50 -

2 stops33h 10m

Deal found 8/11£662

Thu 3/1208:30 -

2 stops27h 00m

Wed 16/1209:55 -

2 stops28h 45m

Deal found 3/11£732

Fri 20/1121:10 -

1 stop30h 30m

Sun 6/1211:40 -

1 stop38h 30m

Deal found 7/11£633

Thu 26/1120:15 -

2 stops41h 55m

Thu 10/1223:50 -

2 stops25h 25m

Deal found 7/11£789

Thu 8/409:30 -

1 stop15h 40m

Tue 27/408:35 -

1 stop16h 10m

Deal found 7/11£791

Sat 5/1217:15 -

2 stops30h 25m

Sat 19/1211:40 -

3 stops29h 45m

Deal found 4/11£663

Thu 26/1111:00 -

1 stop27h 45m

Mon 21/1218:40 -

1 stop19h 35m

Deal found 5/11£818

Tue 12/114:05 -

2 stops43h 30m

Mon 8/221:40 -

2 stops45h 25m

Deal found 5/11£792

Sat 21/1109:25 -

2 stops23h 00m

Mon 21/1217:10 -

2 stops20h 15m

Deal found 5/11£876

Mon 5/421:45 -

1 stop15h 25m

Sat 1/520:30 -

1 stop22h 15m

Deal found 7/11£812

Thu 14/109:30 -

2 stops22h 55m

Thu 28/118:30 -

3 stops30h 45m

Deal found 5/11£675

Sun 13/1208:40 -

2 stops23h 45m

Wed 23/1217:10 -

2 stops19h 45m

Deal found 5/11£958

Wed 13/114:05 -

2 stops43h 30m

Mon 8/221:40 -

2 stops45h 25m

Deal found 5/11£792

Thu 10/1208:30 -

2 stops27h 15m

Fri 18/1209:55 -

2 stops29h 15m

Deal found 5/11£901

Tue 8/1210:55 -

3 stops23h 55m

Mon 21/1208:15 -

2 stops21h 05m

Deal found 7/11£696

Sun 7/220:15 -

2 stops37h 20m

Wed 17/221:40 -

2 stops21h 25m

Deal found 3/11£793

Thu 26/1106:30 -

2 stops19h 15m

Mon 21/1213:20 -

2 stops26h 50m

Deal found 5/11£1,076

Find flight deals from London to Cambodia

Round-trip from	£447
One-way from	£296
Popular in	July
Cheapest in	November
Average price	£516

Shenzhen Airlines
21/11-27/12
2 total stops
69h 00m total
London to Cambodia

Search Deals

23/11-31/12
2 total stops
20h 30m total
London to Cambodia

Search Deals

Highest demand for flights based on searches. 11% potential increase in price (£69 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).

Search Deals

Average for round-trip flights in November 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonPhnom Penh

LTN London Luton - KTI Phnom Penh Techo Intl

LTNKTI

London Luton

Mon 1/2

15:15-10:50

2 stops36h 35m

Phnom Penh Techo Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£315

LondonSiem Reap

LGW London Gatwick - SAI Siem Reap–Angkor Intl

LGWSAI

London Gatwick

Sun 31/1

06:25-11:45

3 stops46h 20m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£319

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Thu 7/1

06:45-11:45

3 stops46h 00m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£325

LondonSiem Reap

LTN London Luton - SAI Siem Reap–Angkor Intl

LTNSAI

London Luton

Mon 30/11

05:00-08:55

3 stops44h 55m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£328

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Sat 30/1

16:30-14:50

3 stops39h 20m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£336

LondonPhnom Penh

LTN London Luton - KTI Phnom Penh Techo Intl

LTNKTI

London Luton

Thu 22/4

20:35-17:45

3 stops39h 10m

Phnom Penh Techo Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£341

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Thu 19/11

21:45-16:05

3 stops59h 20m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£342

LondonPhnom Penh

LTN London Luton - KTI Phnom Penh Techo Intl

LTNKTI

London Luton

Thu 14/1

06:15-19:00

3 stops29h 45m

Phnom Penh Techo Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£343

LondonPhnom Penh

LHR London Heathrow - KTI Phnom Penh Techo Intl

LHRKTI

London Heathrow

Thu 14/1

22:30-10:40

1 stop29h 10m

Phnom Penh Techo Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£396

LondonPhnom Penh

LGW London Gatwick - KTI Phnom Penh Techo Intl

LGWKTI

London Gatwick

Tue 17/11

10:30-11:35

3 stops42h 05m

Phnom Penh Techo Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£402

Flights are sorted by cheapest return flights first.

Deals found on 7/11

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.

LHR-KTI

LGW-KTI

LTN-KTI

LGW-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

LHR-KTI

LGW-KTI

LTN-KTI

LGW-SAI

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

Currently, June is the cheapest month in which you can book a flight from London to Cambodia (average of £636). Flying from London to Cambodia in July is currently the most expensive (average of £917). 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 46 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, andChina Southern 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

1,632 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Judith,Sept 2026

SFO - SIN

Great except for giving me a dinner with rice in it that I didn’t order.

Singapore Airlines

8.2

Very Good

1,632 reviews

Singapore Airlines

8.2

Very Good

1,632 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Judith,Sept 2026

SFO - SIN

Great except for giving me a dinner with rice in it that I didn’t order.

Thai Airways

7.9

Good

433 reviews

Singapore Airlines

8.2

Very Good

1,632 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Judith,Sept 2026

SFO - SIN

Great except for giving me a dinner with rice in it that I didn’t order.

China Southern

7.5

Good

188 reviews

Singapore Airlines

8.2

Very Good

1,632 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Judith,Sept 2026

SFO - SIN

Great except for giving me a dinner with rice in it that I didn’t order.

Etihad Airways

7.3

Good

1,555 reviews

Singapore Airlines

8.2

Very Good

1,632 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Judith,Sept 2026

SFO - SIN

Great except for giving me a dinner with rice in it that I didn’t order.

Malaysia Airlines

7.3

Good

321 reviews

Singapore Airlines

8.2

Very Good

1,632 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Judith,Sept 2026

SFO - SIN

Great except for giving me a dinner with rice in it that I didn’t order.

Related info for your journey

How long is the flight from London to Cambodia?
A quick flight from London to Cambodia can take about 20h 15m. Shenzhen Airlines provides one of the quickest options available for as low as £693. London and Cambodia are separated by a distance of 6246 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?
£243 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 Shenzhen Airlines and XiamenAir, with prices starting from £273 and £284, 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 City - Siem Reap–Angkor Intl or London Gatwick - 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, June is the cheapest month in which you can book a flight from London to Cambodia (average of £636). Flying from London to Cambodia in July is currently the most expensive (average of £917). 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£238	Average£483	FlexibilityNo cancel fee	On-time69%	Search China Southern flights
Shenzhen Airlines	Cheapest£412	Average£610	FlexibilityNo cancel fee	On-time63%	Search Shenzhen Airlines flights
Air China	Cheapest£422	Average£520	FlexibilityNo cancel fee	On-time67%	Search Air China flights
Etihad Airways	Cheapest£517	Average£706	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
China Eastern	Cheapest£581	Average£638	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
Malaysia Airlines	Cheapest£591	Average£762	FlexibilityNo cancel fee	On-time67%	Search Malaysia Airlines flights
Singapore Airlines	Cheapest£630	Average£823	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights
Cathay Pacific	Cheapest£710	Average£877	FlexibilityNo cancel fee	On-time72%	Search Cathay Pacific flights
Vietnam Airlines	Cheapest£747	Average£824	FlexibilityNo cancel fee	On-time81%	Search Vietnam Airlines flights
Emirates	Cheapest£773	Average£967	FlexibilityNo cancel fee	On-time75%	Search Emirates 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 £296

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 23/11. 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 8 November 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 8 November 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 8 November 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 8 November 2026.

Last-minute flights from London to CambodiaDiscover last-minute flight deals from London to Cambodia. Data last updated 8 November 2026 and is based on user searches.

Discover last-minute flight deals from London to Cambodia. Data last updated 8 November 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 8 November 2026.

Search for one-way flight options from London to Cambodia. Find affordable one-way fares based on user searches. Data last updated 8 November 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 46 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, andChina Southern 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 8 November 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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Book with Flexibility

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 8 November 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 8 November 2026.

Last-minute flights from London to Cambodia
Discover last-minute flight deals from London to Cambodia. Data last updated 8 November 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 8 November 2026.