Cheap flights from London to Cambodia from £344

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 1/10. Fares are subject to change and may not be available on all flights or dates of travel.
LON — PNH
15 Oct — 22 Oct1
1 adult
1 adult, Economy

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 15 September 2025.

Round-trip from

£481

One-way from

£344

Popular in

July

Cheapest in

November

Average price

£572
Etihad Airways
  • Etihad Airways
  • 24/11-8/12
  • 2 total stops
  • 44h 25m total
  • London to Cambodia
1/10
  • 1/10
  • 2 total stops
  • 37h 55m total
  • London to Cambodia
Highest demand for flights based on searches. 13% potential increase in price (£75 potential increase over avg. return price).
Cheapest flight prices on average. 3% potential price decrease (£15 potential savings vs. average return price).
Average for round-trip flights in September 2025

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 15 September 2025.

Mon 24/1108:50LHR - PNH
1 stop14h 40mEtihad Airways
Mon 8/1207:55PNH - LHR
1 stop29h 45mEtihad Airways
Deal found 14/9£481
Sun 5/1009:30LHR - PNH
1 stop15h 25mEtihad Airways
Tue 14/1008:30PNH - LHR
1 stop16h 15mEtihad Airways
Deal found 14/9£487
Wed 12/1119:20LHR - PNH
1 stop16h 05mEtihad Airways
Fri 12/1207:55PNH - LHR
1 stop35h 10mEtihad Airways
Deal found 14/9£488
Mon 13/1009:30LHR - PNH
1 stop15h 25mEtihad Airways
Mon 20/1008:30PNH - LHR
1 stop16h 15mEtihad Airways
Deal found 13/9£494
Tue 7/1020:55LHR - PNH
1 stop28h 00mEtihad Airways
Tue 21/1008:30PNH - LHR
1 stop36h 45mEtihad Airways
Deal found 15/9£495
Wed 24/1220:55LHR - PNH
1 stop26h 35mEtihad Airways
Tue 20/119:50PNH - LHR
1 stop29h 20mEtihad Airways
Deal found 13/9£496
Thu 20/1108:50LHR - PNH
1 stop14h 40mEtihad Airways
Mon 8/1207:55PNH - LHR
1 stop29h 45mEtihad Airways
Deal found 14/9£498
Wed 12/1120:55LHR - PNH
1 stop14h 30mEtihad Airways
Tue 9/1207:55PNH - LHR
1 stop17h 15mEtihad Airways
Deal found 14/9£515
Sat 22/1120:55LHR - PNH
1 stop26h 35mEtihad Airways
Tue 9/1207:55PNH - LHR
1 stop17h 15mEtihad Airways
Deal found 14/9£518
Thu 4/1208:50LHR - PNH
1 stop14h 40mEtihad Airways
Mon 22/1207:55PNH - LHR
1 stop17h 15mEtihad Airways
Deal found 13/9£525
Sun 5/1006:20LGW - PNH
2 stops18h 35mMultiple Airlines
Tue 14/1008:30PNH - LGW
2 stops29h 50mMultiple Airlines
Deal found 14/9£610
Sun 5/1021:40STN - PNH
2 stops27h 15mMultiple Airlines
Tue 14/1008:30PNH - STN
2 stops19h 10mMultiple Airlines
Deal found 14/9£616

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 15 September 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

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Thu 19/2

08:50-06:30

1 stop14h 40m

Phnom Penh Pochentong

Fri 13/3

07:55-12:05

1 stop35h 10m

£514

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Wed 12/11

08:50-18:25

1 stop26h 35m

Phnom Penh Pochentong

Mon 1/12

07:55-14:30

1 stop37h 35m

£515

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Thu 13/11

08:50-06:30

1 stop14h 40m

Phnom Penh Pochentong

Fri 12/12

07:55-18:10

1 stop17h 15m

£515

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Wed 12/11

19:20-18:25

1 stop16h 05m

Phnom Penh Pochentong

Fri 12/12

07:55-18:10

1 stop17h 15m

£515

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Thu 13/11

08:50-06:30

1 stop14h 40m

Phnom Penh Pochentong

Mon 8/12

07:55-06:40

1 stop29h 45m

£515

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Mon 17/11

08:50-18:25

1 stop26h 35m

Phnom Penh Pochentong

Mon 1/12

07:55-06:40

1 stop29h 45m

£515

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Thu 9/10

20:55-06:55

1 stop28h 00m

Phnom Penh Pochentong

Thu 16/10

08:30-18:45

1 stop16h 15m

£515

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Thu 13/11

08:50-06:30

1 stop14h 40m

Phnom Penh Pochentong

Tue 2/12

07:55-18:10

1 stop17h 15m

£515

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Sun 16/11

20:55-06:30

1 stop26h 35m

Phnom Penh Pochentong

Mon 1/12

07:55-14:30

1 stop37h 35m

£515

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Sun 12/10

21:45-06:55

1 stop27h 10m

Phnom Penh Pochentong

Thu 16/10

08:30-18:45

1 stop16h 15m

£515

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 60 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 15 September 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 15 September 2025.
Check out reviews from past customers who have flown with Singapore Airlines, Thai Airways, andChina Southern 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.

Overall

8.1

Entertainment

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Overall

8.1

Entertainment

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Overall

8.1

Entertainment

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Overall

8.1

Entertainment

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Overall

8.1

Entertainment

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

Overall

8.1

Entertainment

8.0

Boarding

8.2

Comfort

8.0

Crew

8.6

Food

7.7

Reviews

1 / 20
8.0
Excellent

Anonymous,Dec 2024

NRT - LAX

Crew and in flight experience were great! I felt safe in the plane. Only downside was sitting in economy and the seat/person in front of me who had their seat reclined most of the flight (9 hrs) which made it difficult to eat or be fully comfortable.

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.
  • How long is the flight from London to Cambodia?

    A quick flight from London to Cambodia can take about 14h 40m. Etihad Airways provides one of the quickest options available for as low as £514. London and Cambodia are separated by a distance of 6232 mi.

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

  • 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for London to Cambodia

See prices for flight routes from nearby airports that may be better suited for you.

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 15 September 2025.
AirlineCheapestAverageFlexibilityOn-time
China SouthernCheapest£359Average£471FlexibilityNo cancel feeOn-time69%
Search China Southern flights
Air ChinaCheapest£364Average£436FlexibilityNo cancel feeOn-time67%
Search Air China flights
Shenzhen AirlinesCheapest£379Average£444FlexibilityNo cancel feeOn-time63%
Search Shenzhen Airlines flights
China EasternCheapest£507Average£586FlexibilityNo cancel feeOn-time62%
Search China Eastern flights
Etihad AirwaysCheapest£513Average£591FlexibilityNo cancel feeOn-time75%
Search Etihad Airways flights
Singapore AirlinesCheapest£560Average£736FlexibilityNo cancel feeOn-time81%
Search Singapore Airlines flights
Malaysia AirlinesCheapest£591Average£790FlexibilityNo cancel feeOn-time67%
Search Malaysia Airlines flights
Vietnam AirlinesCheapest£626Average£711FlexibilityNo cancel feeOn-time81%
Search Vietnam Airlines flights
British AirwaysCheapest£641Average£779FlexibilityNo cancel feeOn-time70%
Search British Airways flights
Cathay PacificCheapest£667Average£787FlexibilityNo 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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