What are the cheapest airlines to fly from Cambodia to London Heathrow Airport one-way?

The cheapet airlines for a one-way flight from Cambodia to London Heathrow Airport are Shenzhen Airlines (£251), China Eastern (£252), and China Southern (£257).

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

To save up to 46% on this flight, we recommend booking at least 45 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Cambodia to London Heathrow Airport from £581 1-2 weeks out and tickets from £951 for flights departing within the next 72 hours.

What is the cheapest month to fly from Cambodia to London Heathrow Airport?

May can be a great time to fly to London Heathrow Airport from Cambodia with a flight ticket averaging about £727. Cheapflights users have found deals in the month of May for as cheap as £482. The most expensive prices can be found in the month of July.

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

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Cambodia to London Heathrow Airport as you normally would.

Can I find deals for flights from Cambodia to Heathrow that include hotel bookings?

Yes. In addition to deals on Cambodia to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Cambodia to Heathrow?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cambodia to Heathrow.

Can I find deals for business class flights from Cambodia to Heathrow?

Yes. Cheapflights offers flight deals from Cambodia to Heathrow by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

£659+ Flights from Cambodia to London Heathrow Airport

Cheap flight deals from Cambodia to Heathrow

Round-trip from	£532
One-way from	£251
Popular in	July
Cheapest in	May
Average price	£967

Shenzhen Airlines
3/6-23/6
2 total stops
68h 50m total
Cambodia to London

Search Deals

Shenzhen Airlines
1/6
1 total stop
37h 35m total
Cambodia to London

Search Deals

Highest demand for flights based on searches. 5% potential increase in price (£29 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease (£18 potential savings vs. average return price).

Search Deals

Average for round-trip flights in April 2025

Search Deals

Find flight deals from Cambodia to Heathrow

Cheapest flights from Cambodia to Heathrow
Explore the most affordable flight options available from Cambodia to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 April 2025.

Tue 3/612:15PNH - LHR

1 stop37h 45mShenzhen Airlines

Mon 23/622:05LHR - PNH

1 stop31h 05mShenzhen Airlines

Deal found 17/4£532

Mon 2/612:40PNH - LHR

2 stops36h 00mChina Eastern

Mon 9/621:20LHR - PNH

1 stop19h 55mChina Eastern

Deal found 17/4£541

Sun 1/600:20PNH - LHR

1 stop26h 10mMultiple Airlines

Mon 9/622:05LHR - PNH

1 stop31h 05mMultiple Airlines

Deal found 17/4£545

Wed 18/608:00PNH - LHR

1 stop17h 00mChina Southern

Mon 30/622:10LHR - PNH

1 stop30h 30mChina Southern

Deal found 17/4£572

Sun 1/600:20PNH - LHR

1 stop26h 10mAir China

Mon 9/622:40LHR - PNH

2 stops30h 30mAir China

Deal found 17/4£578

Mon 24/1117:10PNH - LHR

2 stops26h 00mQatar Airways

Mon 1/1214:55LHR - PNH

2 stops17h 30mQatar Airways

Deal found 17/4£718

Sat 22/1110:55PNH - LHR

2 stops32h 40mFinnair

Sun 30/1110:20LHR - PNH

2 stops25h 15mFinnair

Deal found 17/4£751

Thu 12/620:50PNH - LHR

2 stops23h 35mEmirates

Thu 26/609:05LHR - PNH

2 stops25h 30mEmirates

Deal found 17/4£755

Tue 3/623:55PNH - LHR

1 stop24h 55mAsiana Airlines

Tue 24/620:40LHR - PNH

1 stop20h 15mAsiana Airlines

Deal found 17/4£769

Mon 9/611:25PNH - LHR

1 stop24h 15mCathay Pacific

Mon 23/618:20LHR - PNH

1 stop33h 55mCathay Pacific

Deal found 17/4£791

Fri 1/818:20PNH - LHR

1 stop17h 05mBritish Airways

Sun 7/916:00LHR - PNH

2 stops18h 15mBritish Airways

Deal found 18/4£800

Mon 9/619:25PNH - LHR

2 stops18h 55mAustrian Airlines

Sun 22/619:30LHR - PNH

2 stops17h 05mAustrian Airlines

Deal found 17/4£853

Best flights from Cambodia to Heathrow
Discover carefully curated flight deals from Cambodia to Heathrow that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 18 April 2025.

Tue 3/612:15PNH - LHR

1 stop37h 45mShenzhen Airlines

Mon 23/622:05LHR - PNH

1 stop31h 05mShenzhen Airlines

Deal found 17/4£532

Mon 2/612:40PNH - LHR

2 stops36h 00mChina Eastern

Mon 9/621:20LHR - PNH

1 stop19h 55mChina Eastern

Deal found 17/4£541

Sun 1/600:20PNH - LHR

1 stop26h 10mMultiple Airlines

Mon 9/622:05LHR - PNH

1 stop31h 05mMultiple Airlines

Deal found 17/4£545

Wed 18/608:00PNH - LHR

1 stop17h 00mChina Southern

Sun 29/622:10LHR - PNH

1 stop34h 20mChina Southern

Deal found 17/4£572

Sun 1/600:20PNH - LHR

1 stop26h 10mAir China

Mon 9/622:40LHR - PNH

2 stops30h 30mAir China

Deal found 17/4£578

Wed 4/617:40PNH - LHR

2 stops18h 45mQatar Airways

Mon 23/615:05LHR - PNH

2 stops19h 10mQatar Airways

Deal found 17/4£722

Thu 12/620:50PNH - LHR

2 stops23h 35mEmirates

Thu 26/609:05LHR - PNH

2 stops25h 30mEmirates

Deal found 17/4£755

Tue 3/623:55PNH - LHR

1 stop24h 55mAsiana Airlines

Tue 24/620:40LHR - PNH

1 stop20h 15mAsiana Airlines

Deal found 17/4£769

Mon 5/519:25PNH - LHR

2 stops32h 45mFinnair

Mon 19/507:30LHR - PNH

2 stops19h 05mFinnair

Deal found 17/4£788

Mon 9/611:25PNH - LHR

1 stop24h 15mCathay Pacific

Mon 23/618:20LHR - PNH

1 stop33h 55mCathay Pacific

Deal found 17/4£791

Fri 1/818:20PNH - LHR

1 stop17h 05mBritish Airways

Sun 7/916:00LHR - PNH

2 stops18h 15mBritish Airways

Deal found 18/4£800

Mon 9/619:25PNH - LHR

2 stops18h 55mAustrian Airlines

Sun 22/619:30LHR - PNH

2 stops17h 05mAustrian Airlines

Deal found 17/4£853

Last-minute flights from Cambodia to Heathrow
Discover last-minute flight deals from Cambodia to Heathrow. Data last updated 18 April 2025 and is based on user searches.

Wed 23/400:10PNH - LHR

1 stop24h 30mChina Eastern

Mon 28/421:20LHR - PNH

1 stop19h 55mChina Eastern

Deal found 17/4£1,041

Thu 24/417:40PNH - LHR

2 stops19h 10mBritish Airways

Mon 28/413:45LHR - PNH

2 stops20h 30mBritish Airways

Deal found 17/4£1,219

Mon 28/412:05PNH - LHR

2 stops58h 10mChina Southern

Wed 7/522:10LHR - PNH

1 stop30h 30mChina Southern

Deal found 17/4£774

Mon 28/417:10PNH - LHR

1 stop29h 20mMultiple Airlines

Wed 7/522:05LHR - PNH

1 stop31h 05mMultiple Airlines

Deal found 17/4£939

Sat 3/500:20PNH - LHR

1 stop23h 25mMultiple Airlines

Sun 18/522:05LHR - PNH

1 stop31h 05mMultiple Airlines

Deal found 17/4£595

Sat 3/512:15PNH - LHR

1 stop37h 45mShenzhen Airlines

Sun 18/522:05LHR - PNH

1 stop31h 05mShenzhen Airlines

Deal found 17/4£693

Sat 3/520:50PNH - LHR

2 stops21h 35mEmirates

Sun 18/514:20LHR - PNH

2 stops20h 15mEmirates

Deal found 17/4£1,102

Sat 3/500:20PNH - LHR

1 stop23h 25mAir China

Sun 18/522:40LHR - PNH

2 stops30h 30mAir China

Deal found 17/4£2,308

Mon 5/519:25PNH - LHR

2 stops32h 45mFinnair

Mon 19/507:30LHR - PNH

2 stops19h 05mFinnair

Deal found 17/4£788

Mon 5/517:10PNH - LHR

1 stop29h 20mChina Airlines

Mon 19/521:10LHR - PNH

1 stop30h 40mChina Airlines

Deal found 17/4£889

Tue 6/500:10PNH - LHR

1 stop24h 30mChina Eastern

Wed 21/521:20LHR - PNH

1 stop19h 55mChina Eastern

Deal found 17/4£546

Tue 13/515:35PNH - LHR

2 stops30h 40mChina Southern

Thu 19/622:10LHR - PNH

1 stop34h 20mChina Southern

Deal found 17/4£620

One-way flights from Cambodia to Heathrow
Search for one-way flight options from Cambodia to Heathrow. Find affordable one-way fares based on user searches. Data last updated 18 April 2025.

Sun 1/612:15PNH - LHR

1 stop37h 35mShenzhen Airlines

Deal found 17/4£251

Tue 6/500:10PNH - LHR

1 stop24h 30mChina Eastern

Deal found 17/4£252

Thu 29/508:00PNH - LHR

1 stop17h 00mChina Southern

Deal found 17/4£257

Wed 7/512:15PNH - LHR

2 stops38h 00mAir China

Deal found 17/4£290

Wed 7/517:55PNH - LHR

3 stops55h 35mMultiple Airlines

Deal found 17/4£316

Wed 7/521:15PNH - LHR

1 stop27h 55mThai Airways

Deal found 17/4£374

Sun 13/720:50PNH - LHR

2 stops25h 20mEmirates

Deal found 17/4£431

Tue 6/511:10PNH - LHR

1 stop35h 25mMalaysia Airlines

Deal found 17/4£462

Fri 30/509:40PNH - LHR

2 stops37h 00mTurkish Airlines

Deal found 17/4£483

Tue 6/517:45PNH - LHR

3 stops53h 10mVietnam Airlines

Deal found 17/4£520

Thu 1/517:10PNH - LHR

1 stop29h 20mChina Airlines

Deal found 17/4£554

Sat 26/411:25PNH - LHR

1 stop39h 10mCathay Pacific

Deal found 17/4£826

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Tue 3/6

12:15-20:00

1 stop37h 45m

London Heathrow

Mon 23/6

22:05-11:10

1 stop31h 05m

£532

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Mon 2/6

12:40-18:40

2 stops36h 00m

London Heathrow

Mon 9/6

21:20-23:15

1 stop19h 55m

£541

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Sun 1/6

00:20-20:30

1 stop26h 10m

London Heathrow

Mon 9/6

22:05-11:10

1 stop31h 05m

£545

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Wed 18/6

08:00-19:00

1 stop17h 00m

London Heathrow

Sun 29/6

22:10-14:30

1 stop34h 20m

£572

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Sun 1/6

00:20-20:30

1 stop26h 10m

London Heathrow

Mon 9/6

22:40-11:10

2 stops30h 30m

£578

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Wed 4/6

17:40-06:25

2 stops18h 45m

London Heathrow

Mon 23/6

15:05-16:15

2 stops19h 10m

£722

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Thu 12/6

20:50-14:25

2 stops23h 35m

London Heathrow

Thu 26/6

09:05-16:35

2 stops25h 30m

£755

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Tue 3/6

23:55-18:50

1 stop24h 55m

London Heathrow

Tue 24/6

20:40-22:55

1 stop20h 15m

£769

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Mon 5/5

19:25-22:10

2 stops32h 45m

London Heathrow

Mon 19/5

07:30-08:35

2 stops19h 05m

£788

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Mon 9/6

11:25-05:40

1 stop24h 15m

London Heathrow

Mon 23/6

18:20-10:15

1 stop33h 55m

£791

Flights are sorted by cheapest return flights first.

Deals found on 17/4

Showing 1-10 of 27 results

Best time to book a flight from Cambodia to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Cambodia 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 Cambodia to London Heathrow Airport

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

Currently, January is the cheapest month in which you can book a flight from Cambodia to London Heathrow Airport (average of £112). Flying from Cambodia to London Heathrow Airport in August is currently the most expensive (average of £164). 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.

Rainfall in Heathrow by month

In terms of precipitation, rainfall in London Heathrow Airport ranges from 40.0 - 70.0 inches per month. January is typically the wettest month, when rainfall can reach 70.0 mm. July is typically the driest time to visit London Heathrow Airport when rainfall is around 40.0 mm.

Temperature in Heathrow by month

If weather is an important factor for your trip to London Heathrow Airport, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 17.0 C. Travellers hoping to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 4.0 C).

Reviews of airlines servicing Heathrow

Read through reviews of airlines operating flights from Cambodia to London, such as EVA Air, China Airlines and Asiana Airlines. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

EVA Air

8.4

Very Good

1,177 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

EVA Air

8.4

Very Good

1,177 reviews

EVA Air

8.4

Very Good

1,177 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

China Airlines

8.2

Very Good

729 reviews

EVA Air

8.4

Very Good

1,177 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Asiana Airlines

8.2

Very Good

438 reviews

EVA Air

8.4

Very Good

1,177 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Emirates

8.0

Very Good

3,200 reviews

EVA Air

8.4

Very Good

1,177 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Thai Airways

7.7

Good

323 reviews

EVA Air

8.4

Very Good

1,177 reviews

Check prices

Reviews

1 / 20

6.0

Good

Anonymous,Feb 2025

SFO - TPE

Inside plane was clean and chair was comfortable, but flight attendants serving coffee without giving me cream and sugar, even I ask he escape my request.

Related info for your journey

What are the cheapest airlines to fly from Cambodia to London Heathrow Airport one-way?
The cheapet airlines for a one-way flight from Cambodia to London Heathrow Airport are Shenzhen Airlines (£251), China Eastern (£252), and China Southern (£257).
Can I find deals for flights from Cambodia to Heathrow that include hotel bookings?
Yes. In addition to deals on Cambodia to Heathrow flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Cambodia to Heathrow?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cambodia to Heathrow.
Can I find deals for business class flights from Cambodia to Heathrow?
Yes. Cheapflights offers flight deals from Cambodia to Heathrow 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 Cambodia to London Heathrow Airport?
Currently, January is the cheapest month in which you can book a flight from Cambodia to London Heathrow Airport (average of £112). Flying from Cambodia to London Heathrow Airport in August is currently the most expensive (average of £164). 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

Hounslow

Deal

Milton Keynes

Gatwick

Luton

Slough

Croydon

Eastbourne

Wembley

Northampton

Hayes

Crawley

Southend-on-Sea

Maidstone

Swindon

Ipswich

Southall

Ilford

Winchester

Folkestone

Browse thousands of different options on Cheapflights for your next trip

Top airline flying from Cambodia to Heathrow

Airline	Cheapest	Average	Flexibility	On-time
China Southern	Cheapest£489	Average£574	FlexibilityNo cancel fee	On-time69%	Search China Southern flights

Fly with Cheapflights

How does Cheapflights help users find flights from Cambodia to Heathrow?

Cheapflights makes it easy to find Cambodia to Heathrow 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 Cambodia to Heathrow?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Heathrow from Cambodia.

Can Cheapflights find flights from Cambodia to Heathrow with no change fees?

Need flexible booking options for your flight to Heathrow from Cambodia? Don’t worry, Cheapflights have you covered. Use our search filter to only show flights with no change fees.

Can Cheapflights notify me if prices for flights from Cambodia to Heathrow become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Heathrow from Cambodia today and book when prices fit your budget.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.

Cheap flights from Cambodia to London Heathrow Airport from £251

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/6. Fares are subject to change and may not be available on all flights or dates of travel.

Cheap flight deals from Cambodia to Heathrow

Keep the following information in mind while searching for Cambodia to Heathrow flight deals. Data was last updated 18 April 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Find flight deals from Cambodia to Heathrow

Cheapest flights from Cambodia to HeathrowExplore the most affordable flight options available from Cambodia to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 April 2025.

Explore the most affordable flight options available from Cambodia to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 April 2025.

Cheapflights Fare Finder

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

Best time to book a flight from Cambodia to Heathrow

Have a flexible travel schedule? Discover the best time to fly to Heathrow from Cambodia with our price prediction graph.

Cheapflights Insights

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

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

Rainfall in Heathrow by month

Plan your trip to Heathrow by taking into account the average rainfall totals by month.

Temperature in Heathrow by month

Plan your trip to Heathrow by taking into account the average temperature totals by month.

Reviews of airlines servicing Heathrow

Read through reviews of airlines operating flights from Cambodia to London, such as EVA Air, China Airlines and Asiana Airlines. 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 Cambodia to Heathrow. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What are the cheapest airlines to fly from Cambodia to London Heathrow Airport one-way?

Can I find deals for flights from Cambodia to Heathrow that include hotel bookings?

How can I find direct flights from Cambodia to Heathrow?

Can I find deals for business class flights from Cambodia to Heathrow?

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

Travelling to a place near 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 Cambodia to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.

Top airline flying from Cambodia to Heathrow

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 Cambodia to Heathrow?

Why should you use Cheapflights to find cheap flight tickets from Cambodia to Heathrow?

Can Cheapflights find flights from Cambodia to Heathrow with no change fees?

Can Cheapflights notify me if prices for flights from Cambodia to Heathrow become cheaper?

100% Free

Book with Flexibility

Travel Smart

Cheapest flights from Cambodia to Heathrow
Explore the most affordable flight options available from Cambodia to Heathrow. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 April 2025.