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Cheap flights from Cambodia to London Heathrow Airport from £237

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 31/3. Fares are subject to change and may not be available on all flights or dates of travel.
PNH — LHR
7 Jan — 14 Jan1
1 adult

Cheap flight deals from Cambodia to Heathrow

Discover tips and strategies to find the most affordable flight options for your journey from Cambodia (KH0) to Heathrow (LHR). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 2 January 2025.

Round-trip from

£542

One-way from

£237
China Southern
  • China Southern
  • 5/2-20/2
  • 2 total stops
  • 63h 15m total
  • Cambodia to London
Search Deals
China Southern
  • China Southern
  • 31/3
  • 1 total stop
  • 33h 30m total
  • Cambodia to London
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 2 January 2025.

Wed 5/215:50PNH - LHR
1 stop33h 25mChina Southern
Thu 20/222:00LHR - PNH
1 stop29h 50mChina Southern
Deal found 1/1£542
Thu 27/212:15PNH - LHR
1 stop37h 55mMultiple Airlines
Thu 20/317:40LHR - PNH
1 stop22h 30mMultiple Airlines
Deal found 2/1£558
Wed 26/200:25PNH - LHR
1 stop24h 25mAir China
Thu 20/317:40LHR - PNH
1 stop22h 30mAir China
Deal found 2/1£567
Thu 27/211:05PNH - LHR
3 stops33h 50mChina Eastern
Thu 20/317:50LHR - PNH
1 stop22h 25mChina Eastern
Deal found 2/1£568
Tue 13/520:50PNH - LHR
2 stops27h 50mEmirates
Tue 3/614:25LHR - PNH
2 stops20h 10mEmirates
Deal found 1/1£761
Wed 14/509:35PNH - LHR
1 stop26h 20mSingapore Airlines
Mon 2/620:35LHR - PNH
1 stop30h 05mSingapore Airlines
Deal found 1/1£817
Tue 6/517:45PNH - LHR
2 stops29h 10mVietnam Airlines
Sun 25/519:50LHR - PNH
1 stop18h 10mVietnam Airlines
Deal found 1/1£861
Sat 17/518:30PNH - LHR
1 stop17h 50mCathay Pacific
Tue 3/617:00LHR - PNH
1 stop18h 10mCathay Pacific
Deal found 1/1£885
Thu 28/819:25PNH - LHR
2 stops32h 45mFinnair
Sat 20/918:10LHR - PNH
2 stops32h 25mFinnair
Deal found 1/1£904
Thu 28/812:15PNH - LHR
1 stop37h 45mShenzhen Airlines
Sat 20/922:05LHR - PNH
1 stop31h 05mShenzhen Airlines
Deal found 1/1£911
Fri 16/518:20PNH - LHR
1 stop28h 15mMalaysia Airlines
Wed 4/611:00LHR - PNH
1 stop17h 00mMalaysia Airlines
Deal found 1/1£916
Thu 28/817:30PNH - LHR
2 stops25h 50mBritish Airways
Sun 21/915:05LHR - PNH
2 stops18h 55mBritish Airways
Deal found 1/1£992

Find flights from Cambodia to Heathrow within your budget

Customise your flight search to find flights from Cambodia to Heathrow that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 2 January 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Wed 5/2

15:50-18:15

1 stop33h 25m

London Heathrow

Thu 20/2

22:00-10:50

1 stop29h 50m

£542

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Thu 27/2

12:15-19:10

1 stop37h 55m

London Heathrow

Thu 20/3

17:40-23:10

1 stop22h 30m

£558

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Wed 26/2

00:25-17:50

1 stop24h 25m

London Heathrow

Thu 20/3

17:40-23:10

1 stop22h 30m

£567

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Thu 27/2

11:05-13:55

2 stops33h 50m

London Heathrow

Thu 20/3

17:50-23:15

1 stop22h 25m

£568

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Tue 13/5

20:50-18:40

2 stops27h 50m

London Heathrow

Tue 3/6

14:25-16:35

2 stops20h 10m

£761

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Wed 14/5

18:55-15:45

1 stop26h 50m

London Heathrow

Sun 8/6

09:25-17:40

1 stop26h 15m

£817

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Tue 6/5

17:45-16:55

2 stops29h 10m

London Heathrow

Sun 25/5

19:50-20:00

1 stop18h 10m

£861

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Sat 17/5

18:30-06:20

1 stop17h 50m

London Heathrow

Tue 3/6

17:00-17:10

1 stop18h 10m

£885

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Fri 16/5

18:20-16:35

1 stop28h 15m

London Heathrow

Wed 4/6

11:00-10:00

1 stop17h 00m

£916

Phnom PenhLondon

PNH - LHR

PNHLHR

Phnom Penh Pochentong

Sun 12/1

11:10-06:25

2 stops26h 15m

London Heathrow

Mon 3/2

11:40-15:25

3 stops20h 45m

£1,199

Flights are sorted by cheapest return flights first.

Deals found on 2/1

Showing 1-10 of 24 results
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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.

Travel insights for flights from Cambodia to Heathrow

Get recent, data-driven insights about flights from Cambodia to Heathrow including ideal travel times, pricing trends, and more.

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 July is currently the most expensive (average of £160). 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 KH to LHR?

Find hourly flight availability from Cambodia to Heathrow. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 2 January 2025.

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.

Rainfall in Heathrow by month

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

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

Get insights into the airlines that provide service to Heathrow. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Heathrow. Reviews last updated 2 January 2025.
Read through reviews of airlines operating flights from Cambodia to London, such as China Southern, Air China and Emirates. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.
Asiana Airlines
8.3
Very Good
463 reviews
Check prices

Boarding

8.4

Comfort

8.1

Overall

8.3

Crew

8.5

Food

8.1

Entertainment

7.8

Reviews

1 / 10

Next time I never flight with Asiana Airlines, not anymore, this is my first time also my last time

Asiana Airlines
8.3
Very Good
463 reviews
Asiana Airlines
8.3
Very Good
463 reviews
Check prices

Boarding

8.4

Comfort

8.1

Overall

8.3

Crew

8.5

Food

8.1

Entertainment

7.8

Reviews

1 / 10

Next time I never flight with Asiana Airlines, not anymore, this is my first time also my last time

Emirates
8.1
Very Good
3,356 reviews
Asiana Airlines
8.3
Very Good
463 reviews
Check prices

Boarding

8.4

Comfort

8.1

Overall

8.3

Crew

8.5

Food

8.1

Entertainment

7.8

Reviews

1 / 10

Next time I never flight with Asiana Airlines, not anymore, this is my first time also my last time

Singapore Airlines
8.1
Very Good
1,327 reviews
Asiana Airlines
8.3
Very Good
463 reviews
Check prices

Boarding

8.4

Comfort

8.1

Overall

8.3

Crew

8.5

Food

8.1

Entertainment

7.8

Reviews

1 / 10

Next time I never flight with Asiana Airlines, not anymore, this is my first time also my last time

Thai Airways
7.8
Good
348 reviews
Asiana Airlines
8.3
Very Good
463 reviews
Check prices

Boarding

8.4

Comfort

8.1

Overall

8.3

Crew

8.5

Food

8.1

Entertainment

7.8

Reviews

1 / 10

Next time I never flight with Asiana Airlines, not anymore, this is my first time also my last time

Vietnam Airlines
7.7
Good
212 reviews
Asiana Airlines
8.3
Very Good
463 reviews
Check prices

Boarding

8.4

Comfort

8.1

Overall

8.3

Crew

8.5

Food

8.1

Entertainment

7.8

Reviews

1 / 10

Next time I never flight with Asiana Airlines, not anymore, this is my first time also my last time

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?

    The cheapet airlines for a one-way flight from Cambodia to London Heathrow Airport are China Southern (£237), Air China (£257), and Shenzhen Airlines (£262).

  • 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 July is currently the most expensive (average of £160). 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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Alternative routes for Cambodia to Heathrow

See prices for flight routes from nearby airports that may be better suited for you.
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Top 2 airlines flying from Cambodia to Heathrow

Discover the top 2 airlines that operate flights from Cambodia to Heathrow. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 858,174 searches. Data last updated 2 January 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£469Average£535FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Thai AirwaysCheapest£940Average£1,350FlexibilityNo cancel feeOn-time77%
Search Thai Airways flights

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?

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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