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Phnom Penh

$439+ Cheap flights from Heathrow (LHR) to Phnom Penh (PNH)

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 1/7. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — PNH
Nov 25 — Dec 21
Mon 11/25
Mon 12/2
1 adult, Economy
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The best prices from London Heathrow to Phnom Penh Pochentong are usually found in May or June, booked 67 days in advance, depart on a Friday or Thursday and return on a Sunday

Cheap flight deals from Heathrow to Phnom Penh

Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Phnom Penh (PNH). 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 November 20, 2024.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Popular in

December

Cheapest in

May

Round-trip from

$662
(KAYAK)

One-way from

$439
(Kiwi.com)
Provider with most accurate pricing for London Heathrow-Phnom Penh Pochentong flight deals.
Search Deals
Provider most trusted by Cheapflights users for London Heathrow-Phnom Penh Pochentong flights.
Search Deals
High demand for flights, 28% potential price rise
Search Deals
Best time to find cheap flights, 31% potential price drop
Search Deals
From London Heathrow to Phnom Penh Pochentong
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One-way flight from London Heathrow to Phnom Penh Pochentong
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Find flight deals from Heathrow to Phnom Penh

Cheapest flights from Heathrow to Phnom Penh
Explore the most affordable flight options available from Heathrow to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 20, 2024.

This oojo deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/239:30 pmLHR - PNH
2 stops30h 20mChina Southern
Sun 12/111:55 amPNH - LHR
2 stops37h 00mChina Southern
Deal found 11/19$655
This KAYAK deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/238:25 pmLHR - PNH
1 stop19h 45mAir China
Sat 11/3012:25 amPNH - LHR
1 stop22h 30mAir China
Deal found 11/19$657
This Shenzhen Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Shenzhen Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/299:10 pmLHR - PNH
1 stop31h 05mShenzhen Airlines
Tue 12/1712:15 pmPNH - LHR
1 stop37h 55mShenzhen Airlines
Deal found 11/19$669
This Booking.com deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/239:10 pmLHR - PNH
1 stop31h 05mMultiple Airlines
Mon 11/253:50 pmPNH - LHR
1 stop33h 25mMultiple Airlines
Deal found 11/19$679
This Vietnam Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Vietnam Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2911:00 amLHR - PNH
2 stops19h 00mVietnam Airlines
Tue 12/175:30 pmPNH - LHR
2 stops20h 45mVietnam Airlines
Deal found 11/19$857
This Qatar Airways deal was found by Cheapflights users on 11/20. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/262:55 pmLHR - PNH
2 stops17h 30mQatar Airways
Tue 12/35:10 pmPNH - LHR
2 stops20h 15mQatar Airways
Deal found 11/20$944
This Emirates deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Emirates is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/238:20 pmLHR - PNH
2 stops39h 05mEmirates
Sun 12/19:30 pmPNH - LHR
2 stops40h 40mEmirates
Deal found 11/19$1,113
This Cathay Pacific deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cathay Pacific is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/236:55 amLHR - PNH
2 stops27h 50mCathay Pacific
Sun 12/17:05 pmPNH - LHR
1 stop32h 05mCathay Pacific
Deal found 11/19$1,190
This Etihad Airways deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Etihad Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 12/298:55 pmLHR - PNH
2 stops30h 10mEtihad Airways
Mon 3/177:25 pmPNH - LHR
2 stops23h 40mEtihad Airways
Deal found 11/19$1,198
This Malaysia Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Malaysia Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/199:25 pmLHR - PNH
1 stop29h 25mMalaysia Airlines
Wed 11/2711:10 amPNH - LHR
1 stop25h 25mMalaysia Airlines
Deal found 11/19$1,232
This Singapore Airlines deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Singapore Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/259:10 amLHR - PNH
1 stop20h 35mSingapore Airlines
Tue 3/111:45 pmPNH - LHR
1 stop32h 50mSingapore Airlines
Deal found 11/19$1,252
This FlightHub deal was found by Cheapflights users on 11/19. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/269:00 pmLHR - PNH
1 stop19h 15mChina Eastern
Thu 3/1312:15 amPNH - LHR
1 stop20h 40mChina Eastern
Deal found 11/19$1,274

Find flights from Heathrow to Phnom Penh within your budget

Customize your flight search to find flights from Heathrow to Phnom Penh 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 2,629,791 searches. Data last updated November 20, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Wed 2/5

5:40 pm-11:10 pm

1 stop22h 30m

Phnom Penh Pochentong

Tue 2/25

12:25 am-5:50 pm

1 stop24h 25m

$662

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Wed 1/29

9:10 pm-11:15 am

1 stop31h 05m

Phnom Penh Pochentong

Sat 2/22

12:15 pm-7:10 pm

1 stop37h 55m

$672

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Wed 1/15

5:15 pm-2:35 pm

2 stops38h 20m

Phnom Penh Pochentong

Fri 2/14

8:00 am-6:15 pm

1 stop17h 15m

$696

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Wed 1/15

5:50 pm-11:15 pm

1 stop22h 25m

Phnom Penh Pochentong

Thu 2/13

12:15 am-1:55 pm

1 stop20h 40m

$867

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Wed 2/5

10:55 am-5:55 pm

1 stop24h 00m

Phnom Penh Pochentong

Wed 2/26

1:45 pm-3:35 pm

1 stop32h 50m

$873

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Mon 12/30

9:00 pm-11:15 pm

1 stop19h 15m

Phnom Penh Pochentong

Fri 3/14

9:30 pm-3:25 pm

2 stops24h 55m

$936

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Sun 1/12

3:50 pm-6:25 pm

2 stops19h 35m

Phnom Penh Pochentong

Mon 1/27

9:30 pm-1:50 pm

2 stops23h 20m

$974

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Mon 1/13

9:15 pm-10:35 am

1 stop30h 20m

Phnom Penh Pochentong

Thu 1/23

5:20 pm-5:05 pm

1 stop30h 45m

$1,002

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Mon 1/20

11:00 am-4:40 pm

1 stop22h 40m

Phnom Penh Pochentong

Mon 2/10

5:30 pm-7:15 am

2 stops20h 45m

$1,052

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Mon 2/17

8:55 pm-10:05 am

2 stops30h 10m

Phnom Penh Pochentong

Thu 3/13

7:25 pm-2:30 pm

2 stops26h 05m

$1,072

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 19 results
1
2

Compare providers for flights from Heathrow to Phnom Penh

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Heathrow to Phnom Penh in November.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars
Justfly.comPrice Accuracy3 starsTrust Score*3 stars
FlightnetworkPrice Accuracy3 starsTrust Score*3 stars
business-class.comPrice Accuracy3 starsTrust Score*3 stars
GotogatePrice Accuracy3 starsTrust Score*2 stars
oojoPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on London Heathrow Airport-Phnom Penh flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on London Heathrow Airport-Phnom Penh flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from London Heathrow Airport-Phnom Penh flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on London Heathrow Airport-Phnom Penh flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for London Heathrow Airport-Phnom Penh flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Heathrow to Phnom Penh

Have a flexible travel schedule? Discover the best time to fly to Phnom Penh from Heathrow with our price prediction graph.
Estimated round-trip 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 Heathrow to Phnom Penh

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

How far ahead should I book a flight from London Heathrow Airport to Phnom Penh?

Use this chart to determine the optimal time to book a round-trip flight from Heathrow to Phnom Penh. Price data was last updated on November 15, 2024.

The best time to book flights from London Heathrow Airport to Phnom Penh is 67 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

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

Currently, October is the cheapest month in which you can book a flight from London Heathrow Airport to Phnom Penh (average of $1,012). Flying from London Heathrow Airport to Phnom Penh in June is currently the most expensive (average of $1,583). 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 LHR to PNH?

Find hourly flight availability from Heathrow to Phnom Penh. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 20, 2024.

When flying from London Heathrow Airport to Phnom Penh, the time of day you fly usually plays a role in the price. Save by searching for a flight in the afternoon, which can drop the price by up to 38% versus a flight at noon.

Rainfall in Phnom Penh by month

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

In terms of precipitation, rainfall in Phnom Penh ranges from 0.0 - 9.8 inches per month. October is typically the wettest month, when rainfall can reach 9.8 in. January is typically the driest time to visit Phnom Penh when rainfall is around 0.0 in.

Temperature in Phnom Penh by month

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

If weather is an important factor for your trip to Phnom Penh, 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 84.2 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 77.0 F).

Reviews of airlines servicing Phnom Penh

Get insights into the airlines that provide service to Phnom Penh. 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 Phnom Penh. Reviews last updated November 20, 2024.
See what other customers who have flown with Vietnam Airlines and Shenzhen Airlines from London to Phnom Penh have to say. Reviews also offer insight into each airline's entertainment options, comfort, food, crew/service, and boarding process.
Asiana Airlines
8.3
Very good
476 reviews

Boarding

8.5

Comfort

8.1

Crew

8.6

Overall

8.3

Entertainment

7.9

Food

8.1

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
476 reviews
Asiana Airlines
8.3
Very good
476 reviews

Boarding

8.5

Comfort

8.1

Crew

8.6

Overall

8.3

Entertainment

7.9

Food

8.1

Reviews

1 / 10

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

China Airlines
8.3
Very good
778 reviews
Asiana Airlines
8.3
Very good
476 reviews

Boarding

8.5

Comfort

8.1

Crew

8.6

Overall

8.3

Entertainment

7.9

Food

8.1

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
3,486 reviews
Asiana Airlines
8.3
Very good
476 reviews

Boarding

8.5

Comfort

8.1

Crew

8.6

Overall

8.3

Entertainment

7.9

Food

8.1

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
1,336 reviews
Asiana Airlines
8.3
Very good
476 reviews

Boarding

8.5

Comfort

8.1

Crew

8.6

Overall

8.3

Entertainment

7.9

Food

8.1

Reviews

1 / 10

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

Cathay Pacific
7.6
Good
878 reviews
Asiana Airlines
8.3
Very good
476 reviews

Boarding

8.5

Comfort

8.1

Crew

8.6

Overall

8.3

Entertainment

7.9

Food

8.1

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 Heathrow to Phnom Penh. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly into for flights to Phnom Penh from London Heathrow?

    If you book a flight to Phnom Penh from London Heathrow, you will be flying to Pochentong, which is the city’s only airport. Phnom Penh Pochentong (PNH) is located 5.0 mi from the center of Phnom Penh. There are 0 flights from London Heathrow to Pochentong per day from 2 different airlines.

  • What are the cheapest airlines flying from London Heathrow Airport to Phnom Penh round-trip?

    According to our current data, Air China ($662), Shenzhen Airlines ($672), and China Southern ($696) offers the cheapest pricing from London Heathrow Airport to Phnom Penh. Users have found that Air China is 30% cheaper than the other options available to this destination.

  • What are the cheapest airlines to fly from London Heathrow Airport to Phnom Penh one-way?

    $510 is the cheapest one-way deal found within the past few days, from Air China. You may also be able to find cheap deals on China Southern and Shenzhen Airlines, with prices starting from $618 and $799, respectively.

  • Can I find deals for flights from Heathrow to Phnom Penh that include hotel bookings?

    Yes. In addition to deals on Heathrow to Phnom Penh flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Heathrow to Phnom Penh?

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

  • Can I find deals for business class flights from Heathrow to Phnom Penh?

    Yes. Cheapflights offers flight deals from Heathrow to Phnom Penh 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 Heathrow Airport to Phnom Penh?

    Currently, October is the cheapest month in which you can book a flight from London Heathrow Airport to Phnom Penh (average of $1,012). Flying from London Heathrow Airport to Phnom Penh in June is currently the most expensive (average of $1,583). 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

Browse thousands of different options on Cheapflights for your next trip

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Complete your trip

Complete your trip to Phnom Penh by adding a car rental and/or hotel reservation to your travel itinerary.
Phnom Penh car rentals
Phnom Penh Pochentong Airport car rentals

Top 2 airlines flying from Heathrow to Phnom Penh

Discover the top 2 airlines that operate flights from Heathrow to Phnom Penh. 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 2,629,791 searches. Data last updated November 20, 2024.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest$620Average$717FlexibilityNo cancel feeOn-time69%
Thai AirwaysCheapest$1,116Average$1,271FlexibilityNo cancel feeOn-time77%
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