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Cheap flights from London to Phnom Penh from £339

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 7/12. Fares are subject to change and may not be available on all flights or dates of travel.
LON — PNH
26 Nov — 3 Dec1
1 adult

The best prices from London to Phnom Penh Pochentong are usually found in November or September, booked 50 days in advance, depart on a Monday or Saturday and return on a Sunday

Find flights from London to Phnom Penh within your budget

Customise your flight search to find flights from London 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 939,815 searches. Data last updated 21 November 2024.

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Fly to

Any airport

Route

Depart

Return

Price

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Thu 20/2

20:25-23:10

1 stop19h 45m

Phnom Penh Pochentong

Mon 10/3

00:25-15:55

1 stop22h 30m

£513

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Sat 1/2

21:10-11:15

1 stop31h 05m

Phnom Penh Pochentong

Sat 22/2

12:15-19:10

1 stop37h 55m

£516

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Fri 14/3

21:30-14:35

2 stops34h 05m

Phnom Penh Pochentong

Sun 30/3

15:35-19:05

1 stop33h 30m

£523

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Sun 16/2

21:10-11:15

1 stop31h 05m

Phnom Penh Pochentong

Thu 27/2

00:25-17:50

1 stop24h 25m

£535

LondonPhnom Penh

LGW - PNH

LGWPNH

London Gatwick

Sat 11/1

17:00-23:15

1 stop23h 15m

Phnom Penh Pochentong

Sun 9/2

00:15-06:30

1 stop37h 15m

£584

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Mon 20/1

21:00-23:15

1 stop19h 15m

Phnom Penh Pochentong

Sun 9/2

00:15-13:55

1 stop20h 40m

£597

LondonPhnom Penh

LGW - PNH

LGWPNH

London Gatwick

Mon 5/5

10:15-17:30

1 stop25h 15m

Phnom Penh Pochentong

Tue 27/5

09:25-06:25

1 stop27h 00m

£614

LondonPhnom Penh

LGW - PNH

LGWPNH

London Gatwick

Sat 12/4

12:35-23:00

1 stop28h 25m

Phnom Penh Pochentong

Sat 19/4

00:05-06:35

1 stop36h 30m

£618

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Sun 1/12

11:00-19:05

1 stop25h 05m

Phnom Penh Pochentong

Sat 31/5

17:45-17:50

2 stops30h 05m

£639

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Mon 5/5

11:25-17:30

1 stop24h 05m

Phnom Penh Pochentong

Tue 27/5

18:25-15:40

1 stop27h 15m

£640

Flights are sorted by cheapest return flights first.

Deals found on 20/11

Showing 1-10 of 42 results
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Cheap flight deals from London to Phnom Penh

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) 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 21 November 2024.

Round-trip from

£513

One-way from

£339

Popular in

December

Cheapest in

November
Air China
  • Air China
  • 20/2-10/3
  • 2 total stops
  • 42h 15m total
  • London to Phnom Penh
7/12
  • 7/12
  • 3 total stops
  • 42h 00m total
  • London to Phnom Penh
High demand for flights, 29% potential price rise
Best time to find cheap flights, 19% potential price drop

Find flight deals from London to Phnom Penh

Cheapest flights from London to Phnom Penh
Explore the most affordable flight options available from London to Phnom Penh. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 21 November 2024.

Tue 26/1120:25LHR - PNH
1 stop19h 45mAir China
Mon 2/1200:25PNH - LHR
1 stop24h 25mAir China
Deal found 20/11£510
Sat 23/1121:30LHR - PNH
2 stops30h 20mChina Southern
Sun 1/1211:55PNH - LHR
2 stops37h 00mChina Southern
Deal found 19/11£517
Fri 29/1121:10LHR - PNH
1 stop31h 05mShenzhen Airlines
Tue 17/1212:15PNH - LHR
1 stop37h 55mShenzhen Airlines
Deal found 21/11£521
Sat 23/1120:25LGW - PNH
2 stops31h 25mChina Southern
Sun 1/1215:50PNH - LGW
2 stops56h 30mChina Southern
Deal found 19/11£526
Sat 23/1121:10LHR - PNH
1 stop31h 05mMultiple Airlines
Sun 1/1215:50PNH - LHR
1 stop33h 25mMultiple Airlines
Deal found 19/11£536
Sun 24/1121:00LHR - PNH
3 stops30h 00mChina Eastern
Tue 3/1200:15PNH - LHR
1 stop20h 40mChina Eastern
Deal found 20/11£639
Tue 26/1110:30LGW - PNH
1 stop29h 45mChina Eastern
Mon 2/1200:15PNH - LGW
1 stop37h 15mChina Eastern
Deal found 20/11£644
Tue 10/1206:35LGW - PNH
2 stops19h 10mMultiple Airlines
Wed 11/1214:00PNH - LGW
2 stops24h 00mMultiple Airlines
Deal found 20/11£654
Sun 29/1211:35LGW - PNH
1 stop28h 35mAir China
Wed 22/100:25PNH - LGW
1 stop36h 10mAir China
Deal found 20/11£662
Tue 26/1111:00LHR - PNH
1 stop25h 05mVietnam Airlines
Tue 3/1217:30PNH - LHR
2 stops20h 45mVietnam Airlines
Deal found 20/11£670
Tue 26/1114:55LHR - PNH
2 stops17h 30mQatar Airways
Tue 3/1217:10PNH - LHR
2 stops20h 15mQatar Airways
Deal found 20/11£745
Mon 9/1206:10LTN - PNH
2 stops19h 35mMultiple Airlines
Sun 9/210:35PNH - LTN
3 stops35h 35mMultiple Airlines
Deal found 20/11£746

Best time to book a flight from London to Phnom Penh

Have a flexible travel schedule? Discover the best time to fly to Phnom Penh from London 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 London to Phnom Penh

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

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

Use this chart to determine the optimal time to book a return flight from London to Phnom Penh. Price data was last updated on 15 November 2024.

Booking 50 days in advance of your planned departure date is, on average, the best time to get cheap flights from London to Phnom Penh. The general trend is that the closer you book to the departure date, the more expensive your flight will be.

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

Currently, September is the cheapest month in which you can book a flight from London to Phnom Penh (average of £689). Flying from London to Phnom Penh in July is currently the most expensive (average of £1,031). 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 LON to PNH?

Find hourly flight availability from London 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 21 November 2024.

When flying from London to Phnom Penh, the time of day you fly usually plays a role in the price. Save by searching for a flight in the evening, which can drop the price by up to 35% versus a flight at midday.

What is the cheapest day to fly from London to Phnom Penh?

Use this chart to determine the cheapest time to fly return from London to Phnom Penh. Price data was last updated on 18 November 2024.

Travellers seeking maximum savings on their London to Phnom Penh flight should consider departing on Monday evenings when fares are most often at their lowest. Thursday afternoons flights should be avoided if possible as fares are typically the most expensive at this time.

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 - 250.0 inches per month. October is typically the wettest month, when rainfall can reach 250.0 mm. January is typically the driest time to visit Phnom Penh when rainfall is around 0.0 mm.

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 29.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 25.0 C).

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 21 November 2024.
Get a feel of what it's like to fly with Emirates, China Eastern and Air China from London to Phnom Penh by reading reviews from past customers. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.3
Very Good
476 reviews

Entertainment

7.9

Food

8.1

Overall

8.3

Comfort

8.1

Crew

8.6

Boarding

8.5

Reviews

1 / 10

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

8.3
Very Good
476 reviews
8.3
Very Good
476 reviews

Entertainment

7.9

Food

8.1

Overall

8.3

Comfort

8.1

Crew

8.6

Boarding

8.5

Reviews

1 / 10

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

8.1
Very Good
3,486 reviews
8.3
Very Good
476 reviews

Entertainment

7.9

Food

8.1

Overall

8.3

Comfort

8.1

Crew

8.6

Boarding

8.5

Reviews

1 / 10

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

8.1
Very Good
1,336 reviews
8.3
Very Good
476 reviews

Entertainment

7.9

Food

8.1

Overall

8.3

Comfort

8.1

Crew

8.6

Boarding

8.5

Reviews

1 / 10

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

7.7
Good
122 reviews
8.3
Very Good
476 reviews

Entertainment

7.9

Food

8.1

Overall

8.3

Comfort

8.1

Crew

8.6

Boarding

8.5

Reviews

1 / 10

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

7.7
Good
235 reviews
8.3
Very Good
476 reviews

Entertainment

7.9

Food

8.1

Overall

8.3

Comfort

8.1

Crew

8.6

Boarding

8.5

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 London 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?

    Located just 5.0 mi from the city center, Phnom Penh Pochentong is the airport most travelers will use when flying to Phnom Penh from London. Booking flights from London to Pochentong (PNH) should be relatively easy as there are 0 daily inbound flights from London from 12 different airlines.

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

    Our cheapest airline available from London to Phnom Penh is Air China. Our recent data shows that you can find tickets from as low as £513 on this airline. Additional options worth looking into are Shenzhen Airlines and China Southern, starting at £516 and £523 round-trip. Air China is 26% cheaper than the average price of flights available within the next 90 days to this destination.

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

    One-way options have recently been found by users for as low as £370 on China Southern. Other airlines that offer cheap prices include Air China from £399 and Emirates from £420 one-way.

  • What are the most popular routes from London to Phnom Penh?

  • Where are the most common stopover locations when flying from London to Phnom Penh?

  • What are some popular things to do or see while on a stopover in Guangzhou?

    Baima Clothing Wholesale Market, Yide Lu, and Guangzhou Zoo are the most popular attractions in Guangzhou if you're in need of something to do during your stopover. Baima Clothing Wholesale Market, Yide Lu, and Guangzhou Zoo can be accessed by travelling approximately 17.3 mi, 19.5 mi, and 17.2 mi, respectively from Guangzhou Baiyun.

  • What are some popular points of interest to see during a stopover in Singapore?

    If you're on a stopover in Singapore and looking for things to do, consider visiting Sentosa, Masjid Sultan, or Universal Studios Singapore. Sentosa, Masjid Sultan, and Universal Studios Singapore can be visited by travelling about 13.4 mi, 9.8 mi, and 13.4 mi respectively from Singapore Changi. Travellers can rent a car at Singapore Changi for an average daily rate of £86 to make sightseeing during their stopover a little easier.

  • Where are the least popular stopover locations for London to Phnom Penh flights?

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

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

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

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

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

    Yes. Cheapflights offers flight deals from London 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 to Phnom Penh?

    Currently, September is the cheapest month in which you can book a flight from London to Phnom Penh (average of £689). Flying from London to Phnom Penh in July is currently the most expensive (average of £1,031). 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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Fly from London to Phnom Penh on these airlines

Choose from the following airlines for your flight from London to Phnom Penh. Flights are based on user searches made on Cheapflights and were last updated on 21 November 2024.

Top 10 airlines flying from London to Phnom Penh

Discover the top 10 airlines that operate flights from London 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 939,815 searches. Data last updated 21 November 2024.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£415Average£580FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£421Average£552FlexibilityNo cancel feeOn-time67%
Search Air China flights
Shenzhen AirlinesCheapest£453Average£497FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China EasternCheapest£649Average£1,000FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Malaysia AirlinesCheapest£661Average£776FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Singapore AirlinesCheapest£673Average£758FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Cathay PacificCheapest£697Average£862FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Qatar AirwaysCheapest£700Average£936FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Vietnam AirlinesCheapest£716Average£801FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
EmiratesCheapest£751Average£942FlexibilityNo cancel feeOn-time75%
Search Emirates 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 London to Phnom Penh?

Deals for London to Phnom Penh flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from London to Phnom Penh?

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 Phnom Penh from London.

Can Cheapflights find flights from London to Phnom Penh with no change fees?

Certainly. Search results for flights to Phnom Penh from London shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from London to Phnom Penh become cheaper?

Yes! Start tracking prices for London to Phnom Penh flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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