What is the cheapest airline that flies from London Heathrow to Cambodia?

Air China, Shenzhen Airlines, and Lufthansa are the most popular carriers operating from London Heathrow to Cambodia

Which airlines fly to Cambodia?

Etihad Airways, China Southern and Singapore Airlines are the top three most popular airlines that fly to Cambodia from London Heathrow Airport according to our data. Etihad Airways is the first choice among our users, with 40% of people opting to fly with this airline when travelling to Cambodia. Keep in mind that there are 13 different airlines that fly to Cambodia on a routine basis, so you have a few additional options to choose from.

How many operators does momondo search for flights from London Heathrow Airport to Cambodia?

The number of operators available for flights from London Heathrow Airport to Cambodia is 11 as of September 2026.

How old do you have to be to fly from London Heathrow Airport to Cambodia?

The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to Cambodia.

What documentation or ID do you need to fly to Cambodia?

The required travel and health documents for your Cambodia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Cambodia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

£274 Cheap Flights from London Heathrow Airport to Cambodia in 2026/27

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from London Heathrow Airport to Cambodia

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One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

16:05 - 17:05LHR London Heathrow-KTI Phnom Penh Techo Intl

18h 00m1 stop Xiamen Gaoqi Intl

18:10 - 14:10KTI Phnom Penh Techo Intl-LHR London Heathrow

27h 00m1 stop Xiamen Gaoqi Intl

£416XiamenAir

Wed, 18 Nov - Sat, 28 Nov

20:25 - 23:10LHR London Heathrow-KTI Phnom Penh Techo Intl

19h 45m1 stop Beijing Capital

00:25 - 15:55KTI Phnom Penh Techo Intl-LHR London Heathrow

22h 30m1 stop Beijing Capital

£432Air China

Mon, 16 Nov - Mon, 23 Nov

22:00 - 23:30LHR London Heathrow-KTI Phnom Penh Techo Intl

18h 30m1 stop Guangzhou Baiyun

08:00 - 18:35KTI Phnom Penh Techo Intl-LHR London Heathrow

17h 35m1 stop Guangzhou Baiyun

£437China Southern

Thu, 3 Dec - Thu, 10 Dec

21:10 - 10:40LHR London Heathrow-KTI Phnom Penh Techo Intl

30h 30m1 stop Shenzhen

11:40 - 20:30KTI Phnom Penh Techo Intl-LHR London Heathrow

39h 50m1 stop Shenzhen

£437Shenzhen Airlines

Mon, 9 Nov - Wed, 18 Nov

21:10 - 10:40LHR London Heathrow-KTI Phnom Penh Techo Intl

30h 30m1 stop Shenzhen

11:40 - 19:10KTI Phnom Penh Techo Intl-LHR London Heathrow

38h 30m1 stop Shenzhen

£437Shenzhen Airlines

Sat, 7 Nov - Sat, 14 Nov

22:00 - 23:30LHR London Heathrow-KTI Phnom Penh Techo Intl

18h 30m1 stop Guangzhou Baiyun

08:00 - 18:35KTI Phnom Penh Techo Intl-LHR London Heathrow

17h 35m1 stop Guangzhou Baiyun

£438China Southern

Wed, 2 Dec - Sat, 12 Dec

12:35 - 17:00LHR London Heathrow-KTI Phnom Penh Techo Intl

22h 25m1 stop Xiamen Gaoqi Intl

18:00 - 15:10KTI Phnom Penh Techo Intl-LHR London Heathrow

27h 10m1 stop Xiamen Gaoqi Intl

£445XiamenAir

Wed, 21 Oct - Sat, 24 Oct

22:30 - 10:40LHR London Heathrow-KTI Phnom Penh Techo Intl

29h 10m1 stop Shenzhen

11:40 - 19:10KTI Phnom Penh Techo Intl-LHR London Heathrow

38h 30m1 stop Shenzhen

£463Air China

Thu, 19 Nov - Sat, 5 Dec

10:25 - 10:00LHR London Heathrow-KTI Phnom Penh Techo Intl

16h 35m1 stop Kuala Lumpur Intl

18:30 - 05:35KTI Phnom Penh Techo Intl-LHR London Heathrow

18h 05m1 stop Kuala Lumpur Intl

£596Malaysia Airlines

Tue, 27 Oct - Mon, 2 Nov

10:25 - 10:00LHR London Heathrow-KTI Phnom Penh Techo Intl

16h 35m1 stop Kuala Lumpur Intl

18:30 - 05:35KTI Phnom Penh Techo Intl-LHR London Heathrow

18h 05m1 stop Kuala Lumpur Intl

£597Malaysia Airlines

Mon, 26 Oct - Mon, 2 Nov

Cheap last-minute flights

Enter your travel dates to find the best prices.

22:05 - 11:10LHR London Heathrow-KTI Phnom Penh Techo Intl

31h 05m1 stop Shenzhen

11:40 - 19:10KTI Phnom Penh Techo Intl-LHR London Heathrow

38h 30m1 stop Shenzhen

£461Multiple Airlines

Wed, 30 Sep - Tue, 27 Oct

22:05 - 11:10LHR London Heathrow-KTI Phnom Penh Techo Intl

31h 05m1 stop Shenzhen

11:40 - 19:10KTI Phnom Penh Techo Intl-LHR London Heathrow

38h 30m1 stop Shenzhen

£528Shenzhen Airlines

Wed, 30 Sep - Tue, 27 Oct

22:05 - 11:10LHR London Heathrow-KTI Phnom Penh Techo Intl

31h 05m1 stop Shenzhen

11:40 - 19:10KTI Phnom Penh Techo Intl-LHR London Heathrow

38h 30m1 stop Shenzhen

£528Shenzhen Airlines

Wed, 30 Sep - Tue, 27 Oct

12:35 - 14:00LHR London Heathrow-KTI Phnom Penh Techo Intl

19h 25m2 stops Xiamen Gaoqi Intl Fuzhou

18:10 - 14:10KTI Phnom Penh Techo Intl-LHR London Heathrow

27h 00m1 stop Xiamen Gaoqi Intl

£687XiamenAir

Wed, 30 Sep - Tue, 27 Oct

22:05 - 11:10LHR London Heathrow-KTI Phnom Penh Techo Intl

31h 05m1 stop Shenzhen

11:40 - 19:10KTI Phnom Penh Techo Intl-LHR London Heathrow

38h 30m1 stop Shenzhen

£722Shenzhen Airlines

Fri, 2 Oct - Sat, 31 Oct

12:35 - 14:00LHR London Heathrow-KTI Phnom Penh Techo Intl

19h 25m2 stops Xiamen Gaoqi Intl Fuzhou

18:10 - 14:10KTI Phnom Penh Techo Intl-LHR London Heathrow

27h 00m1 stop Xiamen Gaoqi Intl

£727XiamenAir

Wed, 30 Sep - Tue, 27 Oct

09:30 - 19:20LHR London Heathrow-KTI Phnom Penh Techo Intl

27h 50m2 stops Abu Dhabi Zayed Intl Bangkok Suvarnabhumi

11:20 - 14:30KTI Phnom Penh Techo Intl-LHR London Heathrow

34h 10m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl

£757Etihad Airways

Wed, 30 Sep - Tue, 27 Oct

09:30 - 19:20LHR London Heathrow-KTI Phnom Penh Techo Intl

27h 50m2 stops Abu Dhabi Zayed Intl Bangkok Suvarnabhumi

11:20 - 14:30KTI Phnom Penh Techo Intl-LHR London Heathrow

34h 10m2 stops Bangkok Suvarnabhumi Abu Dhabi Zayed Intl

£759Etihad Airways

Wed, 30 Sep - Tue, 27 Oct

21:20 - 11:35LHR London Heathrow-KTI Phnom Penh Techo Intl

32h 15m2 stops Shanghai Pu Dong Kunming Changshui

01:25 - 17:30KTI Phnom Penh Techo Intl-LHR London Heathrow

23h 05m1 stop Shanghai Pu Dong

£798China Eastern

Wed, 30 Sep - Mon, 26 Oct

21:20 - 11:35LHR London Heathrow-KTI Phnom Penh Techo Intl

32h 15m3 stops Shanghai Pu Dong Ji'an Ji An/Jing Gang Shan Kunming Changshui

12:40 - 17:30KTI Phnom Penh Techo Intl-LHR London Heathrow

35h 50m2 stops Kunming Changshui Shanghai Pu Dong

£811China Eastern

Wed, 30 Sep - Tue, 27 Oct

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XiamenAir flights from London Heathrow Airport to Cambodia

Our best XiamenAir deals on London Heathrow Airport to Cambodia flight tickets

XiamenAir

18 Nov

LHR16:05London Heathrow

18h 00m

1 stop

KTI17:05Phnom Penh Techo Intl

28 Nov

KTI18:10Phnom Penh Techo Intl

27h 00m

1 stop

LHR14:10London Heathrow

£416

XiamenAir

22 Nov

LHR16:05London Heathrow

18h 00m

1 stop

KTI17:05Phnom Penh Techo Intl

18 Feb

KTI18:10Phnom Penh Techo Intl

27h 00m

1 stop

LHR14:10London Heathrow

£446

XiamenAir

21 Oct

LHR12:35London Heathrow

22h 25m

1 stop

KTI17:00Phnom Penh Techo Intl

21 Jan

KTI18:10Phnom Penh Techo Intl

27h 00m

1 stop

LHR14:10London Heathrow

£476

Air China flights from London Heathrow Airport to Cambodia

Our best Air China deals on London Heathrow Airport to Cambodia flight tickets

Air China

16 Nov

LHR20:25London Heathrow

19h 45m

1 stop

KTI23:10Phnom Penh Techo Intl

23 Nov

KTI00:25Phnom Penh Techo Intl

22h 30m

1 stop

LHR15:55London Heathrow

£432

Air China

19 Nov

LHR22:30London Heathrow

29h 10m

1 stop

KTI10:40Phnom Penh Techo Intl

5 Dec

KTI11:40Phnom Penh Techo Intl

38h 30m

1 stop

LHR19:10London Heathrow

£463

Air China

14 Nov

LHR21:10London Heathrow

30h 30m

1 stop

KTI10:40Phnom Penh Techo Intl

22 Nov

KTI11:40Phnom Penh Techo Intl

38h 30m

1 stop

LHR19:10London Heathrow

£528

momondo Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Cambodia that are best for you.

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

16:05-17:05

1 stop18h 00m

Phnom Penh Techo Intl

Sat 28/11

18:10-14:10

1 stop27h 00m

£416

LondonPhnom Penh

LHR London Heathrow - KTI Phnom Penh Techo Intl

LHRKTI

London Heathrow

Mon 16/11

20:25-23:10

1 stop19h 45m

Phnom Penh Techo Intl

Mon 23/11

00:25-15:55

1 stop22h 30m

£432

LondonPhnom Penh

LHR London Heathrow - KTI Phnom Penh Techo Intl

LHRKTI

London Heathrow

Thu 3/12

22:00-23:30

1 stop18h 30m

Phnom Penh Techo Intl

Thu 10/12

08:00-18:35

1 stop17h 35m

£437

LondonPhnom Penh

LHR London Heathrow - KTI Phnom Penh Techo Intl

LHRKTI

London Heathrow

Mon 9/11

21:10-10:40

1 stop30h 30m

Phnom Penh Techo Intl

Wed 18/11

11:40-20:30

1 stop39h 50m

£437

LondonPhnom Penh

LHR London Heathrow - KTI Phnom Penh Techo Intl

LHRKTI

London Heathrow

Sat 7/11

21:10-10:40

1 stop30h 30m

Phnom Penh Techo Intl

Sat 14/11

11:40-19:10

1 stop38h 30m

£437

LondonPhnom Penh

LHR London Heathrow - KTI Phnom Penh Techo Intl

LHRKTI

London Heathrow

Wed 2/12

22:00-23:30

1 stop18h 30m

Phnom Penh Techo Intl

Sat 12/12

08:00-18:35

1 stop17h 35m

£438

LondonPhnom Penh

LHR London Heathrow - KTI Phnom Penh Techo Intl

LHRKTI

London Heathrow

Wed 21/10

12:35-17:00

1 stop22h 25m

Phnom Penh Techo Intl

Sat 24/10

18:00-15:10

1 stop27h 10m

£445

LondonPhnom Penh

LHR London Heathrow - KTI Phnom Penh Techo Intl

LHRKTI

London Heathrow

Thu 19/11

22:30-10:40

1 stop29h 10m

Phnom Penh Techo Intl

Sat 5/12

11:40-19:10

1 stop38h 30m

£463

Fastest return journey

LondonPhnom Penh

LHR London Heathrow - KTI Phnom Penh Techo Intl

LHRKTI

London Heathrow

Tue 27/10

10:25-10:00

1 stop16h 35m

Phnom Penh Techo Intl

Mon 2/11

18:30-05:35

1 stop18h 05m

£596

LondonPhnom Penh

LHR London Heathrow - KTI Phnom Penh Techo Intl

LHRKTI

London Heathrow

Mon 26/10

10:25-10:00

1 stop16h 35m

Phnom Penh Techo Intl

Mon 2/11

18:30-05:35

1 stop18h 05m

£597

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from London Heathrow Airport to Cambodia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest month to fly to Cambodia?

In general, June is the cheapest month to fly from London Heathrow Airport to Cambodia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £635. If you aren’t able to travel during the month of June, then book flights to Cambodia from London Heathrow Airport during March instead. Flights to Cambodia in March, while not as cheap as those in June, still average around £672.

How far in advance should I book a flight from London Heathrow Airport to Cambodia?

You are more likely to see cheaper flights to Cambodia from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Cambodia for around £760 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cambodia from London Heathrow Airport for as low as £599 on momondo.

Can stopping save me money on London Heathrow Airport to Cambodia flights?

You could potentially save up to 49% on your flight if you consider stops on a London Heathrow Airport to Cambodia flight.

Cheap London Heathrow Airport to Cambodia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Cambodia

Best price found	£274
Fastest flight time	16h 20m
Direct flights	None

The best one-way flight to Cambodia from London Heathrow Airport in the past 72 hours is £274. The best return flight deal from London Heathrow Airport to Cambodia found on momondo in the last 72 hours is £416.

The fastest flight from London Heathrow Airport to Cambodia takes 16h 20m

There are no direct flights from London Heathrow Airport to Cambodia. There are no popular flight routes from London Heathrow Airport to Cambodia.

Search flight deals

Frequently asked questions about flying from London Heathrow Airport to Cambodia

When did momondo last update prices for flights from London Heathrow Airport to Cambodia?
Prices for flights from London Heathrow Airport to Cambodia refresh daily.
How many operators does momondo search for flights from London Heathrow Airport to Cambodia?
The number of operators available for flights from London Heathrow Airport to Cambodia is 11 as of September 2026.
How old do you have to be to fly from London Heathrow Airport to Cambodia?
The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to Cambodia.
What documentation or ID do you need to fly to Cambodia?
The required travel and health documents for your Cambodia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Cambodia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from London Heathrow Airport to Cambodia

Compare and see reviews for airlines that fly from London Heathrow Airport to Cambodia with momondo

Airline	Rating	Free Cancellation	Price
Air China	PriceFrom £271	Free Cancellation	Rating 7.5 166 reviews	Search Air China flights
Shenzhen Airlines	PriceFrom £415	Free Cancellation	Rating 8.0 28 reviews	Search Shenzhen Airlines flights
China Southern	PriceFrom £472	Free Cancellation	Rating 7.3 172 reviews	Search China Southern flights
Etihad Airways	PriceFrom £532	Free Cancellation	Rating 7.3 1,540 reviews	Search Etihad Airways flights
Austrian Airlines	PriceFrom £547	Free Cancellation	Rating 7.5 974 reviews	Search Austrian Airlines flights
China Eastern	PriceFrom £585	Free Cancellation	Rating 7.3 244 reviews	Search China Eastern flights
Malaysia Airlines	PriceFrom £596	Free Cancellation	Rating 7.3 320 reviews	Search Malaysia Airlines flights
Vietnam Airlines	PriceFrom £625	Free Cancellation	Rating 7.7 290 reviews	Search Vietnam Airlines flights
Singapore Airlines	PriceFrom £674	Free Cancellation	Rating 8.2 1,618 reviews	Search Singapore Airlines flights
Cathay Pacific	PriceFrom £716	Free Cancellation	Rating 7.6 1,503 reviews	Search Cathay Pacific flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Cambodia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Cambodia . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from London to Cambodia with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for London to Cambodia flights to just show those with flexible booking policies.

How can momondo help me find flights from London to Cambodia?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Cambodia from London.

I’m not ready to book a flight from London to Cambodia right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of London to Cambodia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Cambodia trip

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Flights to Siem Reapfrom £573

Cheap flights from London Heathrow Airport to Cambodia from £274

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XiamenAir flights from London Heathrow Airport to Cambodia

Our best XiamenAir deals on London Heathrow Airport to Cambodia flight tickets

Air China flights from London Heathrow Airport to Cambodia

Our best Air China deals on London Heathrow Airport to Cambodia flight tickets

momondo Fare Finder

Use the filters below to find and compare flights from London Heathrow Airport to Cambodia that are best for you.

See travel insights to Cambodia from

How to get the cheapest flight ticket from London Heathrow Airport to Cambodia

What is the cheapest month to fly to Cambodia?

How far in advance should I book a flight from London Heathrow Airport to Cambodia?

Can stopping save me money on London Heathrow Airport to Cambodia flights?

What is the cheapest airline that flies from London Heathrow to Cambodia?

Which airlines fly to Cambodia?

Cheap London Heathrow Airport to Cambodia flight deals and tips

Best price found

Fastest flight time

Direct flights

Frequently asked questions about flying from London Heathrow Airport to Cambodia

Best airlines flying from London Heathrow Airport to Cambodia

Compare and see reviews for airlines that fly from London Heathrow Airport to Cambodia with momondo

Why use momondo?

An easier way to manage your Cambodia trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Cambodia

Popular Cities in Cambodia

Popular flights according to clicks in the last 7 days on momondo

London Heathrow Airport flight routes

According to popular flight searches on momondo this year

Cambodia flight routes

According to popular flight searches on momondo this year

Fly your favourite airline to Cambodia

Airlines are sorted and displayed according to clicks in the past 7 days on momondo

Cabin classes currently available on flights to Cambodia

List of cabin classes available on flights landing in Cambodia. Availability may vary depending on flight origin and airline.

Complete your trip to Cambodia

Explore popular destinations other users love

According to popular flight searches on momondo this year