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 Etihad Airways (£220), China Eastern (£252), and Air China (£265).

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.

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).

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

To save up to 29% 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 £927 for flights departing within the next 72 hours.

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

November can be a great time to fly to London Heathrow Airport from Cambodia with a flight ticket averaging about £699. Cheapflights users have found deals in the month of November for as cheap as £458. 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.

£220+ Flights from Cambodia to London Heathrow Airport

Cheap flight deals from Cambodia to Heathrow

Round-trip from	£498
One-way from	£220
Popular in	July
Cheapest in	November
Average price	£999

China Southern
29/10-7/11
3 total stops
47h 35m total
Cambodia to London

Search Deals

Etihad Airways
4/10
1 total stop
28h 30m total
Cambodia to London

Search Deals

Highest demand for flights based on searches. 13% potential increase in price (£82 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease (£21 potential savings vs. average return price).

Search Deals

Average for round-trip flights in July 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 11 July 2025.

Wed 29/1008:00PNH - LHR

1 stop17h 15mChina Southern

Fri 7/1121:30LHR - PNH

2 stops30h 20mChina Southern

Deal found 10/7£498

Wed 23/700:10PNH - LHR

1 stop24h 30mChina Eastern

Thu 31/721:20LHR - PNH

1 stop19h 55mChina Eastern

Deal found 10/7£541

Tue 28/1000:25PNH - LHR

1 stop22h 30mMultiple Airlines

Fri 7/1121:10LHR - PNH

1 stop30h 30mMultiple Airlines

Deal found 10/7£553

Thu 18/1200:25PNH - LHR

1 stop24h 25mAir China

Fri 2/120:25LHR - PNH

1 stop19h 45mAir China

Deal found 9/7£723

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 11 July 2025.

Wed 29/1008:00PNH - LHR

1 stop17h 15mChina Southern

Fri 7/1121:30LHR - PNH

2 stops30h 20mChina Southern

Deal found 10/7£498

Wed 23/700:10PNH - LHR

1 stop24h 30mChina Eastern

Thu 31/721:20LHR - PNH

1 stop19h 55mChina Eastern

Deal found 10/7£541

Tue 28/1000:25PNH - LHR

1 stop22h 30mMultiple Airlines

Fri 7/1121:10LHR - PNH

1 stop30h 30mMultiple Airlines

Deal found 10/7£553

Thu 18/1200:25PNH - LHR

1 stop24h 25mAir China

Fri 2/120:25LHR - PNH

1 stop19h 45mAir China

Deal found 9/7£723

Last-minute flights from Cambodia to Heathrow
Discover last-minute flight deals from Cambodia to Heathrow. Data last updated 11 July 2025 and is based on user searches.

Sat 19/700:20PNH - LHR

1 stop26h 10mAir China

Fri 1/822:40LHR - PNH

1 stop18h 25mAir China

Deal found 11/7£941

Sun 20/712:40PNH - LHR

2 stops36h 00mChina Eastern

Fri 1/821:20LHR - PNH

1 stop19h 55mChina Eastern

Deal found 11/7£617

Sun 20/717:40PNH - LHR

2 stops26h 25mQatar Airways

Sat 2/819:25LHR - PNH

2 stops38h 50mQatar Airways

Deal found 10/7£818

Sun 20/719:10PNH - LHR

1 stop30h 05mMultiple Airlines

Fri 1/813:15LHR - PNH

1 stop34h 55mMultiple Airlines

Deal found 11/7£859

Mon 21/720:25PNH - LHR

1 stop27h 25mCambodia Angkor Air

Tue 22/719:50LHR - PNH

1 stop21h 20mCambodia Angkor Air

Deal found 10/7£971

Wed 23/700:10PNH - LHR

1 stop24h 30mChina Eastern

Thu 31/721:20LHR - PNH

1 stop19h 55mChina Eastern

Deal found 10/7£541

Wed 30/700:10PNH - LHR

1 stop24h 30mMultiple Airlines

Thu 28/820:25LHR - PNH

2 stops32h 45mMultiple Airlines

Deal found 9/7£645

Thu 31/720:50PNH - LHR

2 stops29h 25mEmirates

Thu 28/814:25LHR - PNH

2 stops20h 10mEmirates

Deal found 9/7£752

Sat 2/819:25PNH - LHR

2 stops29h 20mEtihad Airways

Sun 31/821:45LHR - PNH

2 stops28h 50mEtihad Airways

Deal found 9/7£766

Wed 20/812:05PNH - LHR

1 stop36h 55mChina Southern

Sat 27/921:00LHR - PNH

2 stops31h 40mChina Southern

Deal found 10/7£556

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 11 July 2025.

Sat 4/1008:30PNH - LHR

1 stop28h 30mEtihad Airways

Deal found 9/7£220

Tue 5/800:10PNH - LHR

1 stop24h 30mChina Eastern

Deal found 10/7£252

Thu 2/1000:20PNH - LHR

1 stop23h 25mAir China

Deal found 9/7£265

Sat 19/719:10PNH - LHR

3 stops54h 00mMultiple Airlines

Deal found 11/7£288

Thu 2/1018:20PNH - LHR

1 stop28h 15mMalaysia Airlines

Deal found 9/7£293

Mon 4/815:35PNH - LHR

1 stop33h 25mChina Southern

Deal found 10/7£305

Fri 18/709:40PNH - LHR

1 stop15h 35mThai Airways

Deal found 11/7£355

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

Wed 29/10

08:00-18:15

1 stop17h 15m

London Heathrow

Fri 7/11

21:30-10:50

2 stops30h 20m

£498

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Wed 23/7

00:10-18:40

1 stop24h 30m

London Heathrow

Thu 31/7

21:20-23:15

1 stop19h 55m

£541

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Tue 28/10

00:25-15:55

1 stop22h 30m

London Heathrow

Fri 7/11

21:10-10:40

1 stop30h 30m

£553

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Thu 18/12

00:25-17:50

1 stop24h 25m

London Heathrow

Fri 2/1

20:25-23:10

1 stop19h 45m

£723

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Sat 4/10

08:30-07:00

1 stop28h 30m

£220

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Tue 5/8

00:10-18:40

1 stop24h 30m

£252

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Thu 2/10

00:20-17:45

1 stop23h 25m

£265

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Sat 19/7

19:10-19:10

3 stops54h 00m

£288

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Thu 2/10

18:20-16:35

1 stop28h 15m

£293

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Mon 4/8

15:35-19:00

1 stop33h 25m

£305

Flights are sorted by cheapest return flights first.

Deals found on 9/7

Showing 1-10 of 11 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.

Reviews of airlines servicing Heathrow

Check out reviews from past customers who have flown with Thai Airways, China Southern, andEtihad Airways from Cambodia to London Heathrow Airport 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.

Thai Airways

7.7

Good

336 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

Thai Airways

7.7

Good

336 reviews

Thai Airways

7.7

Good

336 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

China Southern

7.6

Good

103 reviews

Thai Airways

7.7

Good

336 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

Etihad Airways

7.4

Good

1,222 reviews

Thai Airways

7.7

Good

336 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

Malaysia Airlines

7.4

Good

266 reviews

Thai Airways

7.7

Good

336 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

China Eastern

7.2

Good

151 reviews

Thai Airways

7.7

Good

336 reviews

Check prices

Reviews

1 / 18

10.0

Excellent

Joe,Jun 2025

BKK - TPE

The flight was very comfortable, and I really appreciated that each seat had an electric outlet to charge devices. The staff was great.

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 Etihad Airways (£220), China Eastern (£252), and Air China (£265).
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

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Milton Keynes

Deal

Northampton

Gatwick

Slough

Luton

Wembley

Crawley

Eastbourne

Ilford

Hayes

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Folkestone

Southend-on-Sea

Watford

Winchester

Swindon

Maidstone

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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.

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Cheap flights from Cambodia to London Heathrow Airport from £220

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 4/10. 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 11 July 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 11 July 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 11 July 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?

Reviews of airlines servicing Heathrow

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.

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?

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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 11 July 2025.