How long is the flight from London to Cambodia?

A quick flight from London to Cambodia can take about 16h 30m. Shenzhen Airlines provides one of the quickest options available for as low as £634. 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 China Southern and Austrian Airlines, with prices starting from £290 and £381, 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 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.

£271+ 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 23 September 2026.

Sat 5/1217:45 -

1 stop22h 25m

Mon 14/1200:25 -

1 stop22h 30m

Deal found 19/9£408

Mon 9/1120:25 -

1 stop19h 45m

Tue 17/1100:25 -

1 stop24h 25m

Deal found 18/9£409

Mon 26/1017:45 -

1 stop22h 25m

Mon 16/1100:25 -

1 stop22h 30m

Deal found 18/9£410

Wed 21/1012:35 -

1 stop28h 30m

Mon 9/1100:25 -

1 stop36h 55m

Deal found 20/9£411

Mon 19/1020:25 -

1 stop20h 40m

Tue 27/1000:25 -

1 stop24h 25m

Deal found 18/9£430

Wed 23/922:10 -

1 stop30h 30m

Tue 17/1116:10 -

1 stop33h 25m

Deal found 18/9£433

Tue 22/911:10 -

1 stop17h 30m

Tue 17/1116:10 -

1 stop21h 20m

Deal found 18/9£434

Wed 14/1020:25 -

1 stop20h 40m

Tue 27/1000:25 -

1 stop24h 25m

Deal found 18/9£437

Wed 21/1022:40 -

1 stop18h 25m

Mon 9/1100:25 -

1 stop22h 30m

Deal found 20/9£438

Sun 1/1121:10 -

1 stop30h 30m

Sat 28/1111:40 -

1 stop38h 30m

Deal found 20/9£439

Thu 24/922:00 -

1 stop31h 10m

Sun 4/1012:15 -

1 stop37h 35m

Deal found 18/9£439

Fri 30/1021:10 -

1 stop30h 30m

Sun 15/1111:40 -

1 stop38h 30m

Deal found 19/9£442

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 23 September 2026.

Sat 7/1121:10 -

1 stop30h 30m

Thu 19/1111:40 -

1 stop38h 30m

Deal found 20/9£534

Mon 23/1119:25 -

2 stops16h 30m

Mon 30/1119:35 -

2 stops25h 30m

Deal found 22/9£634

Tue 3/1108:40 -

2 stops23h 45m

Wed 18/1119:35 -

1 stop16h 50m

Deal found 22/9£771

Wed 7/1014:55 -

2 stops43h 45m

Tue 20/1020:45 -

2 stops22h 15m

Deal found 23/9£786

Tue 6/1019:50 -

1 stop15h 05m

Mon 19/1016:40 -

2 stops54h 15m

Deal found 23/9£788

Mon 2/1105:55 -

3 stops22h 50m

Mon 9/1113:30 -

3 stops31h 40m

Deal found 18/9£806

Tue 8/1217:20 -

2 stops25h 15m

Thu 18/319:15 -

2 stops28h 05m

Deal found 18/9£818

Fri 13/1108:40 -

2 stops23h 45m

Tue 24/1117:10 -

2 stops19h 45m

Deal found 20/9£824

Fri 6/1121:10 -

1 stop30h 30m

Sat 21/1111:40 -

1 stop38h 30m

Deal found 20/9£534

Wed 7/1014:55 -

2 stops43h 45m

Wed 21/1020:45 -

2 stops22h 15m

Deal found 23/9£786

Sun 11/1019:50 -

2 stops35h 10m

Sun 18/1017:45 -

2 stops29h 20m

Deal found 23/9£806

Sun 1/1108:50 -

2 stops21h 10m

Sun 8/1113:30 -

2 stops35h 55m

Deal found 18/9£821

Sun 8/1108:40 -

2 stops23h 45m

Thu 19/1117:10 -

2 stops19h 45m

Deal found 20/9£824

Mon 19/1007:05 -

2 stops25h 15m

Mon 2/1111:20 -

2 stops28h 50m

Deal found 19/9£836

Mon 12/1016:00 -

2 stops18h 15m

Sun 18/1017:40 -

2 stops20h 20m

Deal found 23/9£840

Thu 5/1120:15 -

2 stops37h 20m

Tue 17/1121:40 -

2 stops21h 25m

Deal found 22/9£787

Fri 4/1211:00 -

2 stops19h 00m

Wed 16/1213:50 -

2 stops48h 25m

Deal found 20/9£813

Wed 4/1114:55 -

2 stops17h 30m

Wed 18/1117:10 -

2 stops20h 15m

Deal found 22/9£841

Wed 4/1106:00 -

3 stops22h 45m

Wed 11/1113:30 -

2 stops24h 10m

Deal found 20/9£849

Thu 29/1020:15 -

2 stops37h 20m

Thu 12/1121:40 -

2 stops21h 25m

Deal found 22/9£787

Wed 11/1111:00 -

2 stops19h 00m

Sat 21/1113:50 -

2 stops48h 25m

Deal found 20/9£830

Tue 3/1111:00 -

1 stop15h 35m

Wed 11/1110:30 -

1 stop27h 45m

Deal found 21/9£850

Wed 11/1120:15 -

2 stops37h 20m

Mon 16/1121:40 -

2 stops21h 25m

Deal found 19/9£787

Wed 7/1023:55 -

2 stops34h 45m

Mon 19/1020:45 -

2 stops21h 50m

Deal found 23/9£792

Sat 17/1006:00 -

3 stops25h 00m

Sat 24/1012:15 -

3 stops32h 45m

Deal found 19/9£880

Mon 12/1023:55 -

2 stops34h 45m

Mon 19/1020:45 -

2 stops21h 50m

Deal found 23/9£792

Thu 19/1111:00 -

1 stop15h 35m

Tue 8/1217:50 -

2 stops20h 25m

Deal found 20/9£888

Mon 12/1023:55 -

2 stops34h 45m

Wed 21/1020:45 -

2 stops21h 50m

Deal found 23/9£792

Mon 2/1121:10 -

2 stops29h 25m

Mon 9/1110:30 -

1 stop27h 45m

Deal found 18/9£948

Tue 24/1123:55 -

2 stops33h 40m

Tue 1/1221:40 -

2 stops21h 00m

Deal found 22/9£793

Find flight deals from London to Cambodia

Round-trip from	£408
One-way from	£271
Popular in	July
Cheapest in	November
Average price	£637

Air China
5/12-14/12
2 total stops
44h 55m total
London to Cambodia

Search Deals

Shenzhen Airlines
9/11-31/12
1 total stop
30h 30m total
London to Cambodia

Search Deals

Highest demand for flights based on searches. 13% potential increase in price (£79 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 September 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

Mon 28/9

22:05-11:10

1 stop31h 05m

Phnom Penh Techo Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£278

LondonPhnom Penh

LHR London Heathrow - KTI Phnom Penh Techo Intl

LHRKTI

London Heathrow

Wed 30/9

22:05-11:10

1 stop31h 05m

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

Mon 16/11

21:10-10:40

1 stop30h 30m

Phnom Penh Techo Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£287

LondonPhnom Penh

LHR London Heathrow - KTI Phnom Penh Techo Intl

LHRKTI

London Heathrow

Sun 27/9

22:05-11:10

1 stop31h 05m

Phnom Penh Techo Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£287

LondonPhnom Penh

LGW London Gatwick - KTI Phnom Penh Techo Intl

LGWKTI

London Gatwick

Mon 9/11

11:35-23:10

1 stop28h 35m

Phnom Penh Techo Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£312

LondonPhnom Penh

LGW London Gatwick - KTI Phnom Penh Techo Intl

LGWKTI

London Gatwick

Sun 27/9

22:10-10:40

1 stop30h 30m

Phnom Penh Techo Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£318

LondonPhnom Penh

STN London Stansted - KTI Phnom Penh Techo Intl

STNKTI

London Stansted

Mon 26/10

19:50-10:50

3 stops32h 00m

Phnom Penh Techo Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£343

LondonPhnom Penh

STN London Stansted - KTI Phnom Penh Techo Intl

STNKTI

London Stansted

Sat 28/11

13:55-23:10

3 stops26h 15m

Phnom Penh Techo Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£347

LondonPhnom Penh

STN London Stansted - KTI Phnom Penh Techo Intl

STNKTI

London Stansted

Fri 20/11

23:20-19:00

3 stops36h 40m

Phnom Penh Techo Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£365

LondonPhnom Penh

STN London Stansted - KTI Phnom Penh Techo Intl

STNKTI

London Stansted

Tue 20/10

16:45-16:45

2 stops42h 00m

Phnom Penh Techo Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£367

Flights are sorted by cheapest return flights first.

Deals found on 23/9

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

STN-KOS

LHR-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

STN-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 £638). Flying from London to Cambodia in July is currently the most expensive (average of £943). 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, 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

1,607 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

1,607 reviews

Singapore Airlines

8.2

Very Good

1,607 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

422 reviews

Singapore Airlines

8.2

Very Good

1,607 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

1,533 reviews

Singapore Airlines

8.2

Very Good

1,607 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

1,607 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

320 reviews

Singapore Airlines

8.2

Very Good

1,607 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 16h 30m. Shenzhen Airlines provides one of the quickest options available for as low as £634. 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 China Southern and Austrian Airlines, with prices starting from £290 and £381, 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 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, June is the cheapest month in which you can book a flight from London to Cambodia (average of £638). Flying from London to Cambodia in July is currently the most expensive (average of £943). 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£238	Average£496	FlexibilityNo cancel fee	On-time69%	Search China Southern flights
Air China	Cheapest£269	Average£487	FlexibilityNo cancel fee	On-time67%	Search Air China flights
Shenzhen Airlines	Cheapest£412	Average£610	FlexibilityNo cancel fee	On-time63%	Search Shenzhen Airlines flights
Etihad Airways	Cheapest£519	Average£709	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
Austrian Airlines	Cheapest£542	Average£692	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
China Eastern	Cheapest£581	Average£636	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
Malaysia Airlines	Cheapest£591	Average£760	FlexibilityNo cancel fee	On-time67%	Search Malaysia Airlines flights
Singapore Airlines	Cheapest£602	Average£878	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights
Vietnam Airlines	Cheapest£620	Average£820	FlexibilityNo cancel fee	On-time81%	Search Vietnam Airlines flights
Cathay Pacific	Cheapest£710	Average£867	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 £271

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/11. 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 23 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 23 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 23 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 23 September 2026.

Last-minute flights from London to CambodiaDiscover last-minute flight deals from London to Cambodia. Data last updated 23 September 2026 and is based on user searches.

Discover last-minute flight deals from London to Cambodia. Data last updated 23 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 23 September 2026.

Search for one-way flight options from London to Cambodia. Find affordable one-way fares based on user searches. Data last updated 23 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 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, 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 23 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 23 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 23 September 2026.

Last-minute flights from London to Cambodia
Discover last-minute flight deals from London to Cambodia. Data last updated 23 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 23 September 2026.