How long is the flight from London to Cambodia?

A quick flight from London to Cambodia can take about 22h 40m. China Eastern provides one of the quickest options available for as low as £817. 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?

£244 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 £293 and £385, 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 City - 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.

£258+ 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 9 October 2026.

Thu 19/1122:00 -

1 stop34h 05m

Sat 5/1216:10 -

1 stop33h 25m

Deal found 7/10£410

Tue 10/1122:00 -

1 stop34h 05m

Tue 24/1111:55 -

1 stop37h 40m

Deal found 8/10£411

Fri 20/1109:50 -

1 stop18h 00m

Wed 25/1116:10 -

1 stop21h 20m

Deal found 7/10£412

Wed 18/1109:50 -

1 stop22h 15m

Wed 2/1216:10 -

1 stop21h 20m

Deal found 8/10£415

Wed 11/1120:25 -

1 stop19h 45m

Tue 24/1100:25 -

1 stop24h 25m

Deal found 8/10£415

Mon 30/1109:50 -

1 stop18h 00m

Fri 11/1211:55 -

1 stop25h 35m

Deal found 8/10£418

Fri 13/1112:30 -

1 stop16h 15m

Sat 28/1118:10 -

1 stop19h 15m

Deal found 4/10£420

Wed 28/1012:30 -

1 stop21h 35m

Tue 10/1112:50 -

1 stop24h 35m

Deal found 5/10£423

Fri 13/1109:50 -

1 stop18h 00m

Wed 25/1116:10 -

1 stop21h 20m

Deal found 8/10£426

Fri 27/1112:30 -

1 stop16h 15m

Sat 12/1218:10 -

1 stop27h 00m

Deal found 8/10£426

Sun 8/1112:30 -

1 stop21h 35m

Sat 21/1118:10 -

1 stop19h 15m

Deal found 4/10£431

Sun 1/1121:10 -

1 stop30h 30m

Wed 18/1111:40 -

1 stop39h 50m

Deal found 8/10£438

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 9 October 2026.

Wed 10/317:00 -

1 stop24h 15m

Sun 14/312:40 -

2 stops32h 20m

Deal found 9/10£596

Wed 11/1120:15 -

2 stops37h 20m

Thu 26/1121:40 -

2 stops27h 35m

Deal found 8/10£787

Thu 29/1011:00 -

1 stop22h 40m

Tue 10/1117:30 -

2 stops20h 45m

Deal found 4/10£817

Thu 12/1114:55 -

2 stops17h 30m

Sun 22/1117:10 -

2 stops20h 15m

Deal found 8/10£842

Wed 2/1210:05 -

2 stops25h 15m

Mon 4/118:30 -

3 stops26h 40m

Deal found 9/10£861

Thu 24/1207:05 -

2 stops27h 40m

Sat 16/119:05 -

1 stop18h 45m

Deal found 8/10£938

Mon 14/1219:20 -

1 stop28h 20m

Tue 2/208:15 -

1 stop29h 25m

Deal found 4/10£948

Mon 14/1210:05 -

2 stops39h 40m

Mon 1/219:15 -

2 stops20h 55m

Deal found 4/10£1,011

Fri 13/1118:10 -

3 stops38h 15m

Mon 23/1117:10 -

3 stops34h 30m

Deal found 8/10£1,081

Tue 10/1120:15 -

2 stops37h 20m

Wed 25/1121:40 -

2 stops21h 25m

Deal found 4/10£789

Sun 8/1108:40 -

2 stops23h 45m

Fri 27/1117:10 -

2 stops19h 45m

Deal found 4/10£862

Thu 12/1114:05 -

2 stops43h 30m

Thu 26/1121:40 -

2 stops27h 15m

Deal found 5/10£789

Wed 2/1207:45 -

3 stops22h 00m

Thu 31/1219:40 -

2 stops24h 00m

Deal found 9/10£880

Wed 21/1018:55 -

2 stops36h 05m

Sat 5/617:45 -

2 stops30h 05m

Deal found 7/10£898

Sun 22/1108:40 -

2 stops21h 20m

Sun 29/1113:30 -

2 stops24h 10m

Deal found 8/10£891

Tue 3/1114:05 -

2 stops19h 30m

Fri 13/1121:40 -

2 stops21h 25m

Deal found 6/10£817

Wed 4/1114:55 -

2 stops17h 30m

Wed 2/1218:30 -

1 stop17h 50m

Deal found 8/10£899

Mon 14/1222:40 -

2 stops27h 05m

Mon 1/219:15 -

2 stops26h 40m

Deal found 4/10£1,040

Sun 8/1114:05 -

2 stops19h 30m

Sun 15/1121:40 -

2 stops21h 25m

Deal found 6/10£817

Fri 20/1106:15 -

3 stops22h 30m

Fri 27/1113:30 -

3 stops33h 25m

Deal found 6/10£902

Mon 30/1111:00 -

2 stops19h 00m

Fri 11/1217:30 -

3 stops24h 00m

Deal found 6/10£1,043

Wed 10/314:05 -

2 stops19h 30m

Sun 14/321:40 -

2 stops21h 25m

Deal found 9/10£821

Wed 10/306:25 -

2 stops21h 00m

Sun 14/319:05 -

1 stop32h 05m

Deal found 7/10£917

Wed 21/1016:00 -

2 stops18h 15m

Fri 4/617:40 -

2 stops18h 55m

Deal found 7/10£1,074

Wed 10/314:05 -

2 stops19h 30m

Sat 13/321:40 -

2 stops21h 25m

Deal found 4/10£823

Thu 26/1116:10 -

2 stops19h 45m

Wed 26/521:15 -

3 stops47h 40m

Deal found 8/10£930

Mon 2/1123:55 -

2 stops33h 40m

Fri 27/1121:40 -

2 stops21h 00m

Deal found 8/10£823

Thu 19/1111:00 -

1 stop15h 35m

Tue 8/1210:15 -

2 stops28h 00m

Deal found 4/10£932

Thu 11/214:05 -

2 stops19h 30m

Wed 24/221:40 -

2 stops21h 25m

Deal found 8/10£825

Thu 19/1106:00 -

3 stops24h 00m

Thu 26/1112:15 -

2 stops25h 10m

Deal found 5/10£932

Find flight deals from London to Cambodia

Round-trip from	£410
One-way from	£258
Popular in	July
Cheapest in	November
Average price	£779

China Southern
19/11-5/12
2 total stops
67h 30m total
London to Cambodia

Search Deals

18/11-31/12
2 total stops
28h 35m total
London to Cambodia

Search Deals

Highest demand for flights based on searches. 12% potential increase in price (£74 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£16 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2026

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

LondonPhnom Penh

LHR London Heathrow - KTI Phnom Penh Techo Intl

LHRKTI

London Heathrow

Wed 18/11

21:10-10:40

1 stop30h 30m

Phnom Penh Techo Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£276

LondonPhnom Penh

LHR London Heathrow - KTI Phnom Penh Techo Intl

LHRKTI

London Heathrow

Sun 22/11

21:10-10:40

1 stop30h 30m

Phnom Penh Techo Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£276

LondonPhnom Penh

LHR London Heathrow - KTI Phnom Penh Techo Intl

LHRKTI

London Heathrow

Sun 8/11

21:10-10:40

1 stop30h 30m

Phnom Penh Techo Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£286

LondonPhnom Penh

LHR London Heathrow - KTI Phnom Penh Techo Intl

LHRKTI

London Heathrow

Sun 1/11

21:10-10:40

1 stop30h 30m

Phnom Penh Techo Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£286

LondonPhnom Penh

LHR London Heathrow - KTI Phnom Penh Techo Intl

LHRKTI

London Heathrow

Thu 29/10

22:30-10:40

1 stop29h 10m

Phnom Penh Techo Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£287

LondonPhnom Penh

STN London Stansted - KTI Phnom Penh Techo Intl

STNKTI

London Stansted

Sun 22/11

09:20-19:00

3 stops50h 40m

Phnom Penh Techo Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£291

LondonPhnom Penh

STN London Stansted - KTI Phnom Penh Techo Intl

STNKTI

London Stansted

Wed 18/11

06:35-09:45

3 stops44h 10m

Phnom Penh Techo Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£309

LondonPhnom Penh

LGW London Gatwick - KTI Phnom Penh Techo Intl

LGWKTI

London Gatwick

Sun 22/11

21:45-19:00

3 stops38h 15m

Phnom Penh Techo Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£329

LondonPhnom Penh

LGW London Gatwick - KTI Phnom Penh Techo Intl

LGWKTI

London Gatwick

Sat 9/1

18:55-06:40

2 stops28h 45m

Phnom Penh Techo Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£340

LondonKrong Preah Sihanouk

STN London Stansted - KOS Krong Preah Sihanouk Sihanoukville

STNKOS

London Stansted

Wed 20/1

06:35-13:00

3 stops47h 25m

Krong Preah Sihanouk Sihanoukville

Wed 31/12

00:00-18:00

Nonstop0h 00m

£342

Flights are sorted by cheapest return flights first.

Deals found on 5/10

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

STN-KTI

LHR-KOS

STN-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

LHR-KTI

LGW-KTI

STN-KTI

LHR-KOS

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 £643). Flying from London to Cambodia in July is currently the most expensive (average of £950). 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 16 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

1,624 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

1,624 reviews

Singapore Airlines

8.2

Very Good

1,624 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

427 reviews

Singapore Airlines

8.2

Very Good

1,624 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

7.4

Good

174 reviews

Singapore Airlines

8.2

Very Good

1,624 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

1,541 reviews

Singapore Airlines

8.2

Very Good

1,624 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

319 reviews

Singapore Airlines

8.2

Very Good

1,624 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 22h 40m. China Eastern provides one of the quickest options available for as low as £817. 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?
£244 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 £293 and £385, 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 City - 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 £643). Flying from London to Cambodia in July is currently the most expensive (average of £950). 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£240	Average£497	FlexibilityNo cancel fee	On-time69%	Search China Southern flights
Air China	Cheapest£271	Average£511	FlexibilityNo cancel fee	On-time67%	Search Air China flights
Shenzhen Airlines	Cheapest£416	Average£616	FlexibilityNo cancel fee	On-time63%	Search Shenzhen Airlines flights
Etihad Airways	Cheapest£534	Average£732	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
Austrian Airlines	Cheapest£548	Average£685	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
China Eastern	Cheapest£587	Average£644	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
Malaysia Airlines	Cheapest£597	Average£768	FlexibilityNo cancel fee	On-time67%	Search Malaysia Airlines flights
Singapore Airlines	Cheapest£636	Average£877	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights
Cathay Pacific	Cheapest£718	Average£884	FlexibilityNo cancel fee	On-time72%	Search Cathay Pacific flights
Vietnam Airlines	Cheapest£755	Average£829	FlexibilityNo cancel fee	On-time81%	Search Vietnam Airlines 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 £258

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 18/11. 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 9 October 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 9 October 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 9 October 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 9 October 2026.

Last-minute flights from London to CambodiaDiscover last-minute flight deals from London to Cambodia. Data last updated 9 October 2026 and is based on user searches.

Discover last-minute flight deals from London to Cambodia. Data last updated 9 October 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 9 October 2026.

Search for one-way flight options from London to Cambodia. Find affordable one-way fares based on user searches. Data last updated 9 October 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 16 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 9 October 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 9 October 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 9 October 2026.

Last-minute flights from London to Cambodia
Discover last-minute flight deals from London to Cambodia. Data last updated 9 October 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 9 October 2026.