How long is the flight from London to Cambodia?

A quick flight from London to Cambodia can take about 16h 20m. Austrian Airlines provides one of the quickest options available for as low as £634. London and Cambodia are separated by a distance of 6106 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?

£241 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 £288 and £378, 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.

£325+ 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 17 September 2026.

Mon 21/911:15 -

2 stops24h 50m

Tue 29/919:05 -

2 stops41h 55m

Deal found 15/9£489

Wed 16/911:15 -

2 stops23h 55m

Wed 14/1018:05 -

2 stops42h 50m

Deal found 13/9£540

Wed 23/911:00 -

2 stops21h 20m

Wed 21/1019:20 -

2 stops41h 10m

Deal found 14/9£544

Wed 23/912:35 -

2 stops20h 40m

Wed 21/1019:05 -

2 stops30h 15m

Deal found 14/9£620

Thu 3/1206:00 -

2 stops29h 30m

Mon 14/1209:55 -

2 stops18h 45m

Deal found 16/9£628

Tue 10/1107:10 -

3 stops25h 55m

Thu 26/1112:45 -

2 stops24h 45m

Deal found 16/9£631

Thu 26/1113:45 -

2 stops21h 45m

Fri 4/1209:55 -

2 stops18h 45m

Deal found 12/9£651

Mon 21/911:15 -

2 stops24h 50m

Fri 25/919:35 -

2 stops41h 20m

Deal found 15/9£656

Thu 26/1117:45 -

3 stops34h 15m

Fri 4/1216:50 -

2 stops33h 30m

Deal found 12/9£659

Wed 16/922:05 -

2 stops38h 00m

Wed 14/1019:10 -

1 stop27h 45m

Deal found 13/9£669

Mon 21/907:15 -

3 stops27h 55m

Tue 29/923:50 -

3 stops28h 20m

Deal found 15/9£672

Wed 23/922:10 -

2 stops37h 55m

Wed 30/919:10 -

1 stop27h 45m

Deal found 15/9£673

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 September 2026.

Sat 23/119:25 -

2 stops16h 20m

Sat 6/209:55 -

2 stops18h 45m

Deal found 16/9£634

Fri 8/110:30 -

3 stops27h 30m

Sat 6/322:00 -

3 stops39h 30m

Deal found 13/9£691

Wed 28/1017:00 -

2 stops33h 35m

Wed 4/1110:30 -

2 stops51h 00m

Deal found 13/9£706

Thu 26/1113:30 -

2 stops22h 00m

Fri 4/1216:50 -

2 stops25h 50m

Deal found 12/9£738

Tue 13/1019:50 -

1 stop31h 55m

Tue 20/1007:15 -

1 stop16h 35m

Deal found 14/9£755

Tue 16/221:20 -

1 stop14h 25m

Tue 2/319:25 -

1 stop17h 00m

Deal found 12/9£756

Sat 20/213:05 -

1 stop19h 55m

Tue 2/310:45 -

1 stop29h 20m

Deal found 16/9£759

Thu 3/1209:40 -

2 stops20h 00m

Mon 14/1213:20 -

2 stops29h 20m

Deal found 13/9£814

Wed 4/1110:30 -

3 stops26h 10m

Thu 4/210:00 -

2 stops27h 20m

Deal found 15/9£731

Sun 17/118:40 -

2 stops32h 15m

Sun 24/109:55 -

2 stops28h 55m

Deal found 15/9£744

Thu 3/1221:20 -

1 stop14h 10m

Mon 14/1219:25 -

1 stop17h 00m

Deal found 14/9£782

Thu 3/1211:00 -

1 stop26h 30m

Mon 14/1221:30 -

1 stop16h 45m

Deal found 12/9£785

Thu 12/1113:30 -

2 stops43h 30m

Mon 30/1116:50 -

2 stops31h 50m

Deal found 12/9£731

Wed 4/1114:05 -

2 stops24h 05m

Thu 4/223:50 -

2 stops25h 05m

Deal found 13/9£846

Mon 12/1008:00 -

2 stops28h 55m

Mon 26/1009:55 -

2 stops29h 45m

Deal found 13/9£791

Tue 10/1111:00 -

1 stop26h 30m

Sat 5/1221:30 -

2 stops40h 45m

Deal found 15/9£831

Thu 15/1007:05 -

3 stops23h 55m

Thu 22/1010:15 -

2 stops26h 15m

Deal found 17/9£768

Sat 23/114:05 -

2 stops39h 35m

Sat 6/223:50 -

2 stops25h 05m

Deal found 16/9£856

Wed 30/920:50 -

2 stops33h 25m

Wed 28/1009:55 -

2 stops27h 00m

Deal found 17/9£770

Sat 23/120:15 -

2 stops33h 25m

Fri 5/213:20 -

2 stops35h 35m

Deal found 16/9£856

Tue 12/109:15 -

2 stops26h 30m

Sun 31/109:55 -

2 stops29h 45m

Deal found 14/9£857

Wed 30/918:55 -

2 stops41h 25m

Wed 28/1021:30 -

1 stop16h 45m

Deal found 17/9£872

Fri 2/1010:00 -

2 stops19h 45m

Fri 23/1010:15 -

2 stops26h 15m

Deal found 13/9£787

Wed 30/914:55 -

2 stops24h 35m

Wed 28/1013:20 -

2 stops29h 45m

Deal found 13/9£876

Tue 16/208:45 -

2 stops23h 15m

Tue 2/310:00 -

2 stops27h 30m

Deal found 12/9£789

Sat 23/112:20 -

2 stops23h 25m

Fri 5/209:55 -

2 stops32h 45m

Deal found 16/9£986

Tue 12/120:15 -

2 stops41h 55m

Sat 30/123:50 -

2 stops25h 05m

Deal found 14/9£901

Sat 31/1006:30 -

3 stops23h 30m

Sat 7/1112:15 -

2 stops24h 40m

Deal found 16/9£790

Tue 12/109:15 -

2 stops26h 30m

Sat 30/109:55 -

2 stops33h 45m

Deal found 14/9£993

Tue 16/207:05 -

2 stops25h 55m

Tue 2/309:50 -

1 stop16h 45m

Deal found 12/9£811

Find flight deals from London to Cambodia

Round-trip from	£628
One-way from	£325
Popular in	July
Cheapest in	November
Average price	£633

SWISS
3/12-14/12
4 total stops
48h 15m total
London to Cambodia

Search Deals

3/11-31/12
3 total stops
24h 55m total
London to Cambodia

Search Deals

Highest demand for flights based on searches. 13% potential increase in price (£80 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

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Tue 3/11

07:05-15:00

3 stops24h 55m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£325

LondonSiem Reap

LGW London Gatwick - SAI Siem Reap–Angkor Intl

LGWSAI

London Gatwick

Wed 20/1

11:35-18:05

2 stops23h 30m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£349

LondonSiem Reap

LTN London Luton - SAI Siem Reap–Angkor Intl

LTNSAI

London Luton

Mon 2/11

05:00-15:00

3 stops27h 00m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£367

LondonSiem Reap

LGW London Gatwick - SAI Siem Reap–Angkor Intl

LGWSAI

London Gatwick

Mon 12/10

06:55-14:50

3 stops25h 55m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£367

LondonSiem Reap

LTN London Luton - SAI Siem Reap–Angkor Intl

LTNSAI

London Luton

Sat 31/10

19:45-15:00

3 stops36h 15m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£370

LondonSiem Reap

LGW London Gatwick - SAI Siem Reap–Angkor Intl

LGWSAI

London Gatwick

Thu 15/10

06:40-14:50

3 stops26h 10m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£370

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Wed 20/1

14:30-21:45

3 stops24h 15m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£373

LondonSiem Reap

LTN London Luton - SAI Siem Reap–Angkor Intl

LTNSAI

London Luton

Thu 15/10

07:00-14:50

3 stops25h 50m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£376

LondonSiem Reap

LHR London Heathrow - SAI Siem Reap–Angkor Intl

LHRSAI

London Heathrow

Wed 20/1

21:05-11:00

2 stops30h 55m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£382

LondonSiem Reap

STN London Stansted - SAI Siem Reap–Angkor Intl

STNSAI

London Stansted

Sun 14/2

17:25-15:00

2 stops38h 35m

Siem Reap–Angkor Intl

Wed 31/12

00:00-18:00

Nonstop0h 00m

£382

Flights are sorted by cheapest return flights first.

Deals found on 13/9

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.

LGW-SAI

LHR-SAI

LTN-SAI

LGW-KOS

LCY-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

LGW-SAI

LHR-SAI

LTN-SAI

LGW-KOS

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 £576). Flying from London to Cambodia in July is currently the most expensive (average of £937). 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 83 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

1,602 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

1,602 reviews

Singapore Airlines

8.2

Very Good

1,602 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

420 reviews

Singapore Airlines

8.2

Very Good

1,602 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

1,536 reviews

Singapore Airlines

8.2

Very Good

1,602 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

1,602 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

318 reviews

Singapore Airlines

8.2

Very Good

1,602 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 20m. Austrian Airlines provides one of the quickest options available for as low as £634. London and Cambodia are separated by a distance of 6106 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?
£241 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 £288 and £378, 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, November is the cheapest month in which you can book a flight from London to Cambodia (average of £576). Flying from London to Cambodia in July is currently the most expensive (average of £937). 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£236	Average£462	FlexibilityNo cancel fee	On-time69%	Search China Southern flights
Air China	Cheapest£267	Average£417	FlexibilityNo cancel fee	On-time67%	Search Air China flights
Shenzhen Airlines	Cheapest£409	Average£606	FlexibilityNo cancel fee	On-time63%	Search Shenzhen Airlines flights
Etihad Airways	Cheapest£512	Average£692	FlexibilityNo cancel fee	On-time75%	Search Etihad Airways flights
Austrian Airlines	Cheapest£539	Average£687	FlexibilityNo cancel fee	On-time78%	Search Austrian Airlines flights
China Eastern	Cheapest£577	Average£632	FlexibilityNo cancel fee	On-time62%	Search China Eastern flights
Malaysia Airlines	Cheapest£587	Average£781	FlexibilityNo cancel fee	On-time67%	Search Malaysia Airlines flights
Singapore Airlines	Cheapest£598	Average£870	FlexibilityNo cancel fee	On-time81%	Search Singapore Airlines flights
Vietnam Airlines	Cheapest£616	Average£815	FlexibilityNo cancel fee	On-time81%	Search Vietnam Airlines flights
Cathay Pacific	Cheapest£705	Average£865	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 £325

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/11. 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 17 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 17 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 17 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 17 September 2026.

Last-minute flights from London to CambodiaDiscover last-minute flight deals from London to Cambodia. Data last updated 17 September 2026 and is based on user searches.

Discover last-minute flight deals from London to Cambodia. Data last updated 17 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 17 September 2026.

Search for one-way flight options from London to Cambodia. Find affordable one-way fares based on user searches. Data last updated 17 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 83 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 17 September 2026.

Popular flight searches

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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 17 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 17 September 2026.

Last-minute flights from London to Cambodia
Discover last-minute flight deals from London to Cambodia. Data last updated 17 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 17 September 2026.