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Cheap flights from London to Cambodia from £265

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 31/8. Fares are subject to change and may not be available on all flights or dates of travel.
LON — PNH
23 Jul — 30 Jul1
1 adult

Cheap flight deals from London to Cambodia

Keep the following information in mind while searching for London to Cambodia flight deals. Data was last updated 18 July 2025.

Round-trip from

£498

One-way from

£265

Popular in

July

Cheapest in

November

Average price

£853
31/8-7/9
  • 31/8-7/9
  • 4 total stops
  • 68h 00m total
  • London to Cambodia
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31/8
  • 31/8
  • 3 total stops
  • 56h 30m total
  • London to Cambodia
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (£70 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (£14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from London to Cambodia

Cheapest flights from London to Cambodia
Explore the most affordable flight options available from London to Cambodia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 18 July 2025.

Sun 31/822:05LHR - KOS
2 stops31h 40mMultiple Airlines
Sun 7/913:30KOS - LHR
2 stops36h 20mMultiple Airlines
Deal found 17/7£498
Mon 6/1022:10LHR - PNH
1 stop34h 20mChina Southern
Sat 18/1015:35PNH - LHR
2 stops32h 30mChina Southern
Deal found 18/7£530
Mon 3/1117:00LGW - PNH
1 stop23h 15mChina Eastern
Sat 29/1100:15PNH - LGW
1 stop20h 45mChina Eastern
Deal found 16/7£535
Tue 23/918:40LHR - PNH
2 stops32h 00mSWISS
Tue 7/1018:55PNH - LHR
2 stops19h 00mSWISS
Deal found 17/7£541
Mon 1/1211:40LGW - PNH
2 stops52h 30mAir China
Sat 13/1211:40PNH - LGW
2 stops24h 55mAir China
Deal found 17/7£542
Fri 12/922:05LHR - PNH
1 stop31h 05mShenzhen Airlines
Sun 21/912:15PNH - LHR
1 stop37h 35mShenzhen Airlines
Deal found 16/7£545
Tue 23/917:30LHR - PNH
2 stops33h 10mLufthansa
Tue 7/1018:55PNH - LHR
2 stops19h 20mLufthansa
Deal found 17/7£546
Sat 4/1022:40LHR - PNH
1 stop18h 25mAir China
Mon 3/1100:25PNH - LHR
1 stop22h 30mAir China
Deal found 17/7£557
Fri 19/912:00LGW - PNH
1 stop16h 40mChina Southern
Fri 3/1012:05PNH - LGW
2 stops36h 25mChina Southern
Deal found 17/7£558
Tue 23/913:05LCY - PNH
2 stops37h 35mSWISS
Tue 7/1018:55PNH - LCY
2 stops23h 35mSWISS
Deal found 17/7£571
Sat 4/1022:05LHR - PNH
1 stop31h 05mMultiple Airlines
Wed 12/1100:15PNH - LHR
1 stop24h 15mMultiple Airlines
Deal found 16/7£577
Mon 27/1018:40LGW - PNH
2 stops36h 10mMultiple Airlines
Sat 8/1109:35PNH - LGW
2 stops39h 15mMultiple Airlines
Deal found 18/7£582

Cheapflights Fare Finder

Customise your flight search to find flights from London to Cambodia 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 July 2025.
Use the filters below to find and compare flights from London to Cambodia that are best for you.

Fly from

London

Fly to

Cambodia

Route

Depart

Return

Price

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Sun 31/8

22:05-11:45

2 stops31h 40m

Krong Preah Sihanouk Sihanoukville

Sun 7/9

13:30-19:50

2 stops36h 20m

£498

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Mon 6/10

22:10-14:30

1 stop34h 20m

Phnom Penh Pochentong

Sat 18/10

15:35-18:05

2 stops32h 30m

£530

LondonPhnom Penh

LGW - PNH

LGWPNH

London Gatwick

Mon 3/11

17:00-23:15

1 stop23h 15m

Phnom Penh Pochentong

Sat 29/11

00:15-14:00

1 stop20h 45m

£535

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Mon 12/1

09:00-18:30

1 stop26h 30m

Phnom Penh Pochentong

Sat 24/1

19:55-18:25

1 stop29h 30m

£536

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Tue 23/9

18:40-08:40

2 stops32h 00m

Phnom Penh Pochentong

Tue 7/10

18:55-07:55

2 stops19h 00m

£541

LondonPhnom Penh

LGW - PNH

LGWPNH

London Gatwick

Mon 1/12

11:40-23:10

2 stops52h 30m

Phnom Penh Pochentong

Sat 13/12

11:40-05:35

2 stops24h 55m

£542

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Fri 12/9

22:05-11:10

1 stop31h 05m

Phnom Penh Pochentong

Sun 21/9

12:15-19:50

1 stop37h 35m

£545

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Tue 23/9

17:30-08:40

2 stops33h 10m

Phnom Penh Pochentong

Tue 7/10

18:55-08:15

2 stops19h 20m

£546

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Sat 4/10

22:40-23:05

1 stop18h 25m

Phnom Penh Pochentong

Mon 3/11

00:25-15:55

1 stop22h 30m

£557

LondonPhnom Penh

LGW - PNH

LGWPNH

London Gatwick

Fri 19/9

12:00-10:40

1 stop16h 40m

Phnom Penh Pochentong

Fri 3/10

12:05-18:30

2 stops36h 25m

£558

Flights are sorted by cheapest return flights first.

Deals found on 16/7

Showing 1-10 of 46 results
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Best time to book a flight from London to Cambodia

Have a flexible travel schedule? Discover the best time to fly to Cambodia 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.

Cheapflights Insights

Everything you need to know about your flight from London to Cambodia

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

Currently, September is the cheapest month in which you can book a flight from London to Cambodia (average of £689). Flying from London to Cambodia in July is currently the most expensive (average of £1,232). 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 KH?

Find hourly flight availability from London to Cambodia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 18 July 2025.

When flying from London to Cambodia, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Reviews of airlines servicing Cambodia

Get insights into the airlines that provide service to Cambodia. 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 Cambodia. Reviews last updated 18 July 2025.
Check out reviews from past customers who have flown with Emirates, Singapore Airlines, andKLM from London to Cambodia 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.
Emirates
8.1
Very Good
3,288 reviews
Check prices

Overall

8.1

Comfort

8.0

Boarding

8.1

Food

7.8

Crew

8.3

Entertainment

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2025

KTM - DXB

Lost 7 pieces of luggage and fly Dubai doesn’t seem to care.
Emirates
8.1
Very Good
3,288 reviews
Emirates
8.1
Very Good
3,288 reviews
Check prices

Overall

8.1

Comfort

8.0

Boarding

8.1

Food

7.8

Crew

8.3

Entertainment

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2025

KTM - DXB

Lost 7 pieces of luggage and fly Dubai doesn’t seem to care.
Singapore Airlines
8.1
Very Good
1,328 reviews
Emirates
8.1
Very Good
3,288 reviews
Check prices

Overall

8.1

Comfort

8.0

Boarding

8.1

Food

7.8

Crew

8.3

Entertainment

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2025

KTM - DXB

Lost 7 pieces of luggage and fly Dubai doesn’t seem to care.
KLM
7.8
Good
1,374 reviews
Emirates
8.1
Very Good
3,288 reviews
Check prices

Overall

8.1

Comfort

8.0

Boarding

8.1

Food

7.8

Crew

8.3

Entertainment

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2025

KTM - DXB

Lost 7 pieces of luggage and fly Dubai doesn’t seem to care.
Thai Airways
7.8
Good
339 reviews
Emirates
8.1
Very Good
3,288 reviews
Check prices

Overall

8.1

Comfort

8.0

Boarding

8.1

Food

7.8

Crew

8.3

Entertainment

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2025

KTM - DXB

Lost 7 pieces of luggage and fly Dubai doesn’t seem to care.
China Southern
7.6
Good
104 reviews
Emirates
8.1
Very Good
3,288 reviews
Check prices

Overall

8.1

Comfort

8.0

Boarding

8.1

Food

7.8

Crew

8.3

Entertainment

8.2

Reviews

1 / 20
2.0
Mediocre

Anonymous,Jun 2025

KTM - DXB

Lost 7 pieces of luggage and fly Dubai doesn’t seem to care.

Related info for your journey

Find useful and relevant information for your journey from London to Cambodia. 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 London to Cambodia one-way?

    £320 is the cheapest one-way deal found within the past few days, from Shenzhen Airlines. You may also be able to find cheap deals on China Eastern and Air China, with prices starting from £352 and £369, respectively.

  • What are the most popular routes from London to Cambodia?

    The most popular route from London to Cambodia is London Heathrow - Phnom Penh Pochentong. You may also consider London Gatwick - Phnom Penh Pochentong or London Stansted - Phnom Penh Pochentong.

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

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

  • How can I find direct flights from London to Cambodia?

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

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

    Yes. Cheapflights offers flight deals from London to Cambodia 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 Cambodia?

    Currently, September is the cheapest month in which you can book a flight from London to Cambodia (average of £689). Flying from London to Cambodia in July is currently the most expensive (average of £1,232). 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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Alternative routes for London to Cambodia

See prices for flight routes from nearby airports that may be better suited for you.
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Top 10 airlines flying from London to Cambodia

Discover the top 10 airlines that operate flights from London to Cambodia. 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 July 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£363Average£471FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Shenzhen AirlinesCheapest£383Average£458FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
Air ChinaCheapest£427Average£499FlexibilityNo cancel feeOn-time67%
Search Air China flights
Etihad AirwaysCheapest£497Average£597FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
China EasternCheapest£513Average£593FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Singapore AirlinesCheapest£595Average£717FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Malaysia AirlinesCheapest£598Average£715FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Vietnam AirlinesCheapest£633Average£733FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
British AirwaysCheapest£649Average£800FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Cathay PacificCheapest£675Average£796FlexibilityNo cancel feeOn-time72%
Search Cathay Pacific 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 Cambodia?

Cheapflights makes it easy to find London to Cambodia 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 London to Cambodia?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to Cambodia for you. Better yet — we are completely free to use.

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

Certainly. Search results for flights to Cambodia 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 Cambodia become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Cambodia from London today and book when prices fit your budget.

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