How long is the flight from London to Cambodia?

A quick flight from London to Cambodia can take about 20h 15m. Vietnam Airlines provides one of the quickest options available for as low as £791. London and Cambodia are separated by a distance of 6236 mi.

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 Gatwick - Phnom Penh Pochentong. You may also consider London City - Phnom Penh Pochentong or London Heathrow - Phnom Penh Pochentong.

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

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

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.

£791+ Cheap Flights from London to Cambodia

Find flight deals from London to Cambodia

Enter your travel dates to find the best prices.

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 17 October 2025.

Tue 11/1106:20LHR - KOS

2 stops20h 15mVietnam Airlines

Thu 20/1110:45KOS - LHR

2 stops27h 30mVietnam Airlines

Deal found 15/10£791

Tue 11/1120:10LHR - KOS

2 stops40h 20mMultiple Airlines

Thu 20/1112:15KOS - LHR

3 stops36h 20mMultiple Airlines

Deal found 15/10£798

Sat 15/1106:25LGW - KOS

2 stops23h 40mMultiple Airlines

Fri 28/1113:35KOS - LGW

2 stops24h 05mMultiple Airlines

Deal found 16/10£876

Sat 15/1122:00LHR - KOS

2 stops32h 05mMultiple Airlines

Fri 28/1113:35KOS - LHR

1 stop32h 50mMultiple Airlines

Deal found 16/10£894

Tue 11/1120:25LGW - KOS

2 stops40h 05mMultiple Airlines

Thu 20/1113:10KOS - LGW

3 stops36h 15mMultiple Airlines

Deal found 15/10£908

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 17 October 2025.

Tue 11/1106:20LHR - KOS

2 stops20h 15mVietnam Airlines

Thu 20/1110:45KOS - LHR

2 stops27h 30mVietnam Airlines

Deal found 15/10£791

Tue 11/1120:10LHR - KOS

2 stops40h 20mMultiple Airlines

Thu 20/1112:15KOS - LHR

3 stops36h 20mMultiple Airlines

Deal found 15/10£798

Sat 7/306:00LGW - KOS

3 stops24h 05mMultiple Airlines

Fri 20/317:40KOS - LGW

3 stops27h 20mMultiple Airlines

Deal found 16/10£811

Sat 7/306:00LHR - KOS

3 stops24h 05mMultiple Airlines

Fri 20/317:40KOS - LHR

3 stops31h 55mMultiple Airlines

Deal found 16/10£861

Wed 11/306:20LHR - KOS

2 stops20h 15mVietnam Airlines

Sun 15/310:45KOS - LHR

2 stops27h 30mVietnam Airlines

Deal found 14/10£948

Sat 15/1106:25LGW - KOS

2 stops23h 40mMultiple Airlines

Fri 28/1113:35KOS - LGW

2 stops24h 05mMultiple Airlines

Deal found 16/10£876

Sat 15/1122:00LHR - KOS

2 stops32h 05mMultiple Airlines

Fri 28/1113:35KOS - LHR

1 stop32h 50mMultiple Airlines

Deal found 16/10£894

Tue 11/1120:25LGW - KOS

2 stops40h 05mMultiple Airlines

Thu 20/1113:10KOS - LGW

3 stops36h 15mMultiple Airlines

Deal found 15/10£908

Last-minute flights from London to Cambodia
Discover last-minute flight deals from London to Cambodia. Data last updated 17 October 2025 and is based on user searches.

Tue 11/1106:20LHR - KOS

2 stops20h 15mVietnam Airlines

Thu 20/1110:45KOS - LHR

2 stops27h 30mVietnam Airlines

Deal found 15/10£791

Tue 11/1120:10LHR - KOS

2 stops40h 20mMultiple Airlines

Thu 20/1112:15KOS - LHR

3 stops36h 20mMultiple Airlines

Deal found 15/10£798

Tue 11/1120:25LGW - KOS

2 stops40h 05mMultiple Airlines

Thu 20/1113:10KOS - LGW

3 stops36h 15mMultiple Airlines

Deal found 15/10£908

Sat 15/1106:25LGW - KOS

2 stops23h 40mMultiple Airlines

Fri 28/1113:35KOS - LGW

2 stops24h 05mMultiple Airlines

Deal found 16/10£876

Sat 15/1122:00LHR - KOS

2 stops32h 05mMultiple Airlines

Fri 28/1113:35KOS - LHR

1 stop32h 50mMultiple Airlines

Deal found 16/10£894

Cheap flight deals from London to Cambodia

Round-trip from	£704
Popular in	July
Cheapest in	November
Average price	£597

1/12-8/12
4 total stops
68h 25m total
London to Cambodia

Search Deals

Highest demand for flights based on searches. 14% potential increase in price (£86 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Tue 11/11

06:20-09:35

2 stops20h 15m

Krong Preah Sihanouk Sihanoukville

Thu 20/11

10:45-07:15

2 stops27h 30m

£791

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Tue 11/11

20:10-19:30

2 stops40h 20m

Krong Preah Sihanouk Sihanoukville

Thu 20/11

12:15-17:35

3 stops36h 20m

£798

LondonKrong Preah Sihanouk

LGW - KOS

LGWKOS

London Gatwick

Sat 7/3

06:00-13:05

3 stops24h 05m

Krong Preah Sihanouk Sihanoukville

Fri 20/3

17:40-14:00

3 stops27h 20m

£811

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Sat 7/3

06:00-13:05

3 stops24h 05m

Krong Preah Sihanouk Sihanoukville

Fri 20/3

17:40-18:35

3 stops31h 55m

£861

LondonKrong Preah Sihanouk

LGW - KOS

LGWKOS

London Gatwick

Sat 15/11

06:25-13:05

2 stops23h 40m

Krong Preah Sihanouk Sihanoukville

Fri 28/11

13:35-06:40

2 stops24h 05m

£876

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Sat 15/11

22:00-13:05

2 stops32h 05m

Krong Preah Sihanouk Sihanoukville

Fri 28/11

13:35-15:25

1 stop32h 50m

£894

LondonKrong Preah Sihanouk

LGW - KOS

LGWKOS

London Gatwick

Tue 11/11

20:25-19:30

2 stops40h 05m

Krong Preah Sihanouk Sihanoukville

Thu 20/11

13:10-18:25

3 stops36h 15m

£908

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Wed 11/3

06:20-09:35

2 stops20h 15m

Krong Preah Sihanouk Sihanoukville

Sun 15/3

10:45-07:15

2 stops27h 30m

£948

Flights are sorted by cheapest return flights first.

Deals found on 15/10

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.

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

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

Currently, September is the cheapest month in which you can book a flight from London to Cambodia (average of £363). Flying from London to Cambodia in July is currently the most expensive (average of £685). 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.

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

When flying from London to Cambodia, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 22% versus a flight at midday.

What is the cheapest day to fly from London to Cambodia?

Travellers seeking maximum savings on their London to Cambodia flight should consider departing on Monday evenings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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

8.1

Very Good

1,382 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

Singapore Airlines

8.1

Very Good

1,382 reviews

Singapore Airlines

8.1

Very Good

1,382 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

Thai Airways

7.8

Good

359 reviews

Singapore Airlines

8.1

Very Good

1,382 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

Etihad Airways

7.4

Good

1,281 reviews

Singapore Airlines

8.1

Very Good

1,382 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

China Southern

7.4

Good

116 reviews

Singapore Airlines

8.1

Very Good

1,382 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

Air China

7.2

Good

114 reviews

Singapore Airlines

8.1

Very Good

1,382 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2025

BCN - SIN

Staff at Barcelona were fantastic, they helped me change a flight and nothing was any problem. Thank you Dina.

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. Vietnam Airlines provides one of the quickest options available for as low as £791. London and Cambodia are separated by a distance of 6236 mi.
What are the most popular routes from London to Cambodia?
The most popular route from London to Cambodia is London Gatwick - Phnom Penh Pochentong. You may also consider London City - Phnom Penh Pochentong or London Heathrow - Phnom Penh Pochentong.
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, September is the cheapest month in which you can book a flight from London to Cambodia (average of £363). Flying from London to Cambodia in July is currently the most expensive (average of £685). 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

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for London to Cambodia

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Direct flights to Changsha

Top 10 airlines flying from London to Cambodia

Airline	Cheapest	Average	Flexibility	On-time
China Southern	Cheapest£363	Average£485	FlexibilityNo cancel fee	On-time69%	Search China Southern flights
Air China	Cheapest£370	Average£440	FlexibilityNo cancel fee	On-time67%	Search Air China flights
Shenzhen Airlines	Cheapest£382	Average£451	FlexibilityNo cancel fee	On-time63%	Search Shenzhen Airlines flights
Etihad Airways	Cheapest£509	Average£636	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
China Eastern	Cheapest£512	Average£600	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
Singapore Airlines	Cheapest£565	Average£747	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights
Malaysia Airlines	Cheapest£596	Average£798	FlexibilityNo cancel fee	On-time67%	Search Malaysia Airlines flights
Vietnam Airlines	Cheapest£615	Average£717	FlexibilityNo cancel fee	On-time81%	Search Vietnam Airlines flights
British Airways	Cheapest£647	Average£822	FlexibilityNo cancel fee	On-time70%	Search British Airways flights
Cathay Pacific	Cheapest£676	Average£798	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 £791

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find 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 17 October 2025.

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 17 October 2025.

Cheap flight deals from London to Cambodia

Keep the following information in mind while searching for London to Cambodia flight deals. Data was last updated 17 October 2025.

Round-trip 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

Everything you need to know about your flight from London to Cambodia

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

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

Find hourly flight availability from London to Cambodia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 October 2025.

What is the cheapest day to fly from London to Cambodia?

Use this chart to determine the cheapest time to fly return from London to Cambodia. Price data was last updated on 16 December 2024.

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

Find useful and relevant information for your journey from London to Cambodia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

How long is the flight from London to Cambodia?

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.

Top 10 airlines flying from London to Cambodia

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

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?

100% Free

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 17 October 2025.