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Cheap flights from London to Phnom Penh from £360

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 4/3. Fares are subject to change and may not be available on all flights or dates of travel.
LON — PNH
23 Dec — 30 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

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 18 December 2024.

Round-trip from

£502

One-way from

£360

Popular in

December

Cheapest in

November

Average price

£902
Air China
  • Air China
  • 11/1-10/2
  • 4 total stops
  • 66h 30m total
  • London to Phnom Penh
4/3
  • 4/3
  • 2 total stops
  • 29h 30m total
  • London to Phnom Penh
High demand for flights, 5% potential price rise
Best time to find cheap flights, 2% potential price drop
Average for round-trip flights in December 2024

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 18 December 2024.

Tue 31/1221:30LHR - PNH
2 stops30h 20mChina Southern
Fri 14/308:00PNH - LHR
2 stops40h 55mChina Southern
Deal found 17/12£616
Tue 31/1217:50LHR - PNH
1 stop22h 25mChina Eastern
Thu 13/300:15PNH - LHR
1 stop20h 40mChina Eastern
Deal found 17/12£812
Tue 31/1206:40LHR - PNH
3 stops33h 50mMultiple Airlines
Tue 7/112:15PNH - LHR
3 stops35h 45mMultiple Airlines
Deal found 17/12£818
Tue 31/1220:25LHR - PNH
1 stop19h 45mAir China
Thu 13/300:25PNH - LHR
1 stop22h 30mAir China
Deal found 18/12£822
Sat 28/1221:10LHR - PNH
1 stop31h 05mShenzhen Airlines
Fri 14/319:50PNH - LHR
1 stop30h 20mShenzhen Airlines
Deal found 17/12£833
Sun 29/1217:00LGW - PNH
1 stop23h 15mChina Eastern
Sun 19/101:25PNH - LGW
1 stop36h 05mChina Eastern
Deal found 17/12£864
Sat 28/1210:30LGW - PNH
1 stop27h 25mMultiple Airlines
Mon 30/1219:55PNH - LGW
2 stops43h 40mMultiple Airlines
Deal found 17/12£873
Tue 31/1214:05STN - PNH
2 stops21h 20mEmirates
Fri 14/321:30PNH - STN
2 stops21h 35mEmirates
Deal found 17/12£876
Tue 31/1213:35LGW - PNH
2 stops21h 50mEmirates
Fri 14/321:30PNH - LGW
2 stops40h 10mEmirates
Deal found 17/12£880
Mon 30/1207:30STN - PNH
2 stops18h 15mMultiple Airlines
Fri 3/100:10PNH - STN
3 stops41h 00mMultiple Airlines
Deal found 17/12£961
Thu 26/1209:10LHR - PNH
2 stops26h 15mEmirates
Fri 14/321:30PNH - LHR
2 stops21h 10mEmirates
Deal found 18/12£1,001
Sun 29/1217:50LHR - PNH
1 stop33h 35mCathay Pacific
Mon 20/111:45PNH - LHR
1 stop34h 15mCathay Pacific
Deal found 17/12£1,002

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 858,174 searches. Data last updated 18 December 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Sat 11/1

20:25-11:15

2 stops31h 50m

Phnom Penh Pochentong

Mon 10/2

12:15-15:55

2 stops34h 40m

£502

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Mon 24/2

21:30-10:50

2 stops30h 20m

Phnom Penh Pochentong

Mon 10/3

15:50-18:15

1 stop33h 25m

£506

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Mon 5/5

22:05-11:10

1 stop31h 05m

Phnom Penh Pochentong

Tue 27/5

12:15-20:00

1 stop37h 45m

£508

LondonPhnom Penh

LGW - PNH

LGWPNH

London Gatwick

Fri 14/3

11:40-11:15

2 stops40h 35m

Phnom Penh Pochentong

Sat 29/3

00:05-05:35

1 stop36h 30m

£529

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Mon 20/1

21:10-11:15

1 stop31h 05m

Phnom Penh Pochentong

Sun 2/3

12:15-19:10

1 stop37h 55m

£538

LondonPhnom Penh

LGW - PNH

LGWPNH

London Gatwick

Wed 8/1

11:40-05:30

2 stops34h 50m

Phnom Penh Pochentong

Fri 28/2

23:00-06:55

2 stops38h 55m

£573

LondonPhnom Penh

LGW - PNH

LGWPNH

London Gatwick

Mon 24/2

09:25-17:55

1 stop25h 30m

Phnom Penh Pochentong

Mon 10/3

09:35-06:20

1 stop27h 45m

£597

LondonPhnom Penh

LGW - PNH

LGWPNH

London Gatwick

Thu 13/2

10:30-23:15

1 stop29h 45m

Phnom Penh Pochentong

Wed 26/2

00:15-06:30

1 stop37h 15m

£603

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Mon 10/2

09:10-17:55

1 stop25h 45m

Phnom Penh Pochentong

Wed 2/4

09:35-07:45

1 stop28h 10m

£657

LondonPhnom Penh

LTN - PNH

LTNPNH

London Luton

Wed 5/3

11:45-23:10

2 stops28h 25m

Phnom Penh Pochentong

Tue 18/3

00:25-22:00

2 stops28h 35m

£658

Flights are sorted by cheapest return flights first.

Deals found on 17/12

Showing 1-10 of 42 results
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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 13 December 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 £1,034). 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 18 December 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 16 December 2024.

Travellers seeking maximum savings on their London to Phnom Penh flight should consider departing on Saturday evenings when fares are most often at their lowest. Saturday at midday 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 18 December 2024.
Get a feel of what it's like to fly with Air China, Shenzhen Airlines and Singapore Airlines 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.
8.4
Very Good
1,018 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

Overall

8.4

Comfort

8.3

Reviews

1 / 10

It was a great experience in all aspects including passengers are respectful to each other. I will consider to use Korean Air again.

8.4
Very Good
1,018 reviews
8.4
Very Good
1,018 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

Overall

8.4

Comfort

8.3

Reviews

1 / 10

It was a great experience in all aspects including passengers are respectful to each other. I will consider to use Korean Air again.

8.3
Very Good
754 reviews
8.4
Very Good
1,018 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

Overall

8.4

Comfort

8.3

Reviews

1 / 10

It was a great experience in all aspects including passengers are respectful to each other. I will consider to use Korean Air again.

8.1
Very Good
3,412 reviews
8.4
Very Good
1,018 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

Overall

8.4

Comfort

8.3

Reviews

1 / 10

It was a great experience in all aspects including passengers are respectful to each other. I will consider to use Korean Air again.

8.1
Very Good
1,329 reviews
8.4
Very Good
1,018 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

Overall

8.4

Comfort

8.3

Reviews

1 / 10

It was a great experience in all aspects including passengers are respectful to each other. I will consider to use Korean Air again.

7.8
Good
357 reviews
8.4
Very Good
1,018 reviews

Food

8.1

Boarding

8.5

Crew

8.7

Entertainment

8.2

Overall

8.4

Comfort

8.3

Reviews

1 / 10

It was a great experience in all aspects including passengers are respectful to each other. I will consider to use Korean Air again.

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 £502 on this airline. Additional options worth looking into are China Southern and Shenzhen Airlines, starting at £506 and £508 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 £362 on Air China. Other airlines that offer cheap prices include China Southern from £381 and Shenzhen Airlines from £397 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 Beijing?

    If you're on a stopover in Beijing and looking for things to do, consider visiting Summer Palace, Forbidden City, or Bell and Drum Towers. Summer Palace, Forbidden City, and Bell and Drum Towers can be visited by travelling about 17.3 mi, 15.1 mi, and 13.9 mi respectively from Beijing Capital.

  • 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 £1,034). 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 18 December 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 858,174 searches. Data last updated 18 December 2024.
AirlineCheapestAverageFlexibilityOn-time
Shenzhen AirlinesCheapest£405Average£475FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China SouthernCheapest£413Average£578FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£420Average£563FlexibilityNo cancel feeOn-time67%
Search Air China flights
China EasternCheapest£623Average£946FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Malaysia AirlinesCheapest£660Average£782FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Singapore AirlinesCheapest£667Average£758FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Cathay PacificCheapest£696Average£841FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific flights
Qatar AirwaysCheapest£698Average£827FlexibilityNo cancel feeOn-time68%
Search Qatar Airways flights
Vietnam AirlinesCheapest£714Average£797FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
EmiratesCheapest£762Average£936FlexibilityNo 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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