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Find cheap flights from London Heathrow Airport to Cambodia from £344

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Heathrow to Cambodia departing on 16/5. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
0 bags
Sat 25/5
Sat 1/6

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Best Cambodia Flight Deals

Cheapest return prices found by our users on KAYAK in the last 72 hours

Phnom Penh
Phnom Penh2 stops£451
Siem Reap
Siem Reap2 stops£788
Krong Preah Sihanouk
Krong Preah Sihanouk2 stops£1,057

Good to know - Cheap tickets from London Heathrow Airport to Cambodia

Low season

August

High season

November

Cheapest flight

£344
Best time to beat the crowds but there is an average 19% increase in price.
Most popular time to fly and prices are also 14% lower on average.
Flight from London Heathrow Airport to Phnom Penh

FAQs - booking Cambodia flights

  • How does KAYAK find such low prices on flights from London Heathrow Airport to Cambodia?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from London Heathrow Airport to Cambodia.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from London Heathrow Airport to Cambodia?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Cambodia from London Heathrow Airport is likely to change within 7 days, so travellers know whether to wait or book now.

  • What is the Hacker Fare option on flights from London Heathrow Airport to Cambodia?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional return ticket. You could then fly to Cambodia with an airline and back to London Heathrow Airport with another airline.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from London Heathrow Airport to Cambodia?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Cambodia from London Heathrow Airport up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

See more FAQs

Top tips for finding a cheap flight from London Heathrow Airport to Cambodia

  • Morning departure is around 42% more expensive than an evening flight, on average*.
*Average of the lowest prices shown in KAYAK’s search results for departures within the next 30 days

Top 5 airlines serving from Heathrow to Cambodia

 
Need help choosing which airline to fly with from Heathrow to Cambodia? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.2
Singapore AirlinesOverall score based on 1479 reviews
8.1comfort
8.7crew
7.8food
8.2entertainment
8.4boarding
Airline reviews

Good flight. Fiod was ready a bit late hence a hurry to finish before landing. Excellent crew and service

10.0 ExcellentYM, Apr 2024SIN - KUL
Read more about Singapore Airlines reviews

Good flight. Fiod was ready a bit late hence a hurry to finish before landing. Excellent crew and service

It was a great flight Food was great Crew was spectacular

When boarding, after business class should be premium economy, but economy class already lined-up at the gate blocking premium economy to board. Singapore airline crew should done a better job to organize this chaos :( Thank you.

Flying with Singapore airlines is always excelllent - the crew are lovely and the food too is great. It’s my number 1 airline

Perfect experience from boarding through to leaving the flight, comfortable and personalised service from all staff, highly recommended

They close their counter so early. I had internet issues so I couldn’t check In online . I would have made the flight but their counter was closed 5 minutes before we arrived. No way of contacting them even though I had the confirmation number and tried to check in the night before on someone else’s phone. I tried calling their customer service with no pick up. Horrible experience, I’m very unhappy with them. I hope to never fly with them ever again. It costed me almost $900.

Check in was snails pace, only 1 of the luggage screen was working so long lines, an hour to check in Nobody seemed to want to fix the issue Flight was 45 minutes late Scoot is a mini sized plane ( sardine class plane), literally felt slammed between people

The male traveller seated in the row in front diagonally opposite my husbands seat across the aisle as soon as the seatbelt sign went off moved across the aisle into the seat in front of my husband for the entire journey from London to Singapore he had his seat reclined and pushed back and the seat touching my husbands knees for the entire journey from London to Singapore. very uncomfortable for my husband.

I cancelled my family 2023 international vacation because you guys double booked me with the same date, passengers, airlines and just hours difference and did not want to refund me at the right time and then finally cancelled the extra booking! Cancelling the booking that I personally booked! And you guys kept the unauthorized booking! This experience was really bad! Ruined everything! Never again I will book with kayak , me , my family , my friends and most importantly I will advocate to everyone to make sure not to book with Kayak! None existing customers service! Only 3rd provider that serve only their company and not the travelers!!!!!!

I didn’t get to go, and no refund was available after asking for 2 months

Extra seat belt across the chest 10 minutes before taking off and 15 minutes before landing seemed excessively safe.

The transfer from Domestic and International was a bit confusing but I am easily confused. I did not eat any food, but the food on the other leg was decent. It was nice they turned the lights off on the night flight. The plane was in good shape, but was a little cramped in economy and I am small. They gave me a customs form to fill out and nobody looked at it as I went through customs. Not a bad flight.

My case was missing a wheel on arrival Heathrow and the staff were unhelpful when i tried to get some compensation stating it was not sufficient damage, i only wish that they at some point have to deal with the same situation it put me in, maybe they would change their attitude but overall it was a good flight

The aircraft was really old, the staff demotivated and the overall United airline service is horrible

Increase the number of available films, including variety. All other aspects were great.

Check in was a disaster. 90 minutes and only 2 economy check in desks open. Had to rush to catch the flight.

I couldnt go on this flight and lost all my money over 1,000 UK Pounds as my visa to Myanmar was not accepted :(

food poor i said chiken i got pack a pow breakfast lousey .job to explain wot it was ...

After going back and forth with the airline, they never reimbursed the airline tickets. Went around asking multiple people how to get reimbursed and kept getting put back, not satisfied with their customer service.

No working jet bridge to deplane, with priority customers deplaning last. Followed by bus to terminal.

Wuhan - Dubai. Old plane: 1. Only USB charger. No power outlet to plug in.. 2. Super narrow seat layout 3. Toilet cover consistently fell down and hit my back when sitting on it.. :( 4. Entertainment system touch screen not sensitive, and need to press hard or use finger tips to hit. Crew were very nice and accommodating though.

1. I got very poor check in experience with the counter lady . This is the first airline I ever experienced that no combine check in weight allow . Even we have 4 of us but weight counter by piece . So we wasted lot of time argue and repack . This is super crazy 2. Next I left my Samsung tablet on the plane . And I started to escalate and finally spoke to southern airline lost and found in Malaysia and the amazing answer she give is : system nothing found and please try to call southern airline in china 🧐 . I have been flying many other airlines but this is my first encounterment with such irresponsible airline response and no empathy given to customer . My feeling is nobody bother whether how customer like me feel and I’m just too small for the management to take note .

During flight, some passengers perform stomping leg exercises which disturb the comfort (I.e. sleep) of other passengers.

No good but was short flight. Both of our China Southern flights were on time. No surprises.

The flight was okay it was the kayak customer service that was poor, I have been trying to change my name on my flight ticket 3 days before my flight and nothing got done about it even tho I messaged so many times and phoned, all I got in return was that is was being processed and still to this day nothing has been done about it, I think it’s disgusting and un needed stress to the trip.

The food was perfect. The boarding process is a bit long. Given the late boarding time, I felt very tired by the time I was seated.

Quality flight from start to finish. Customer service is evidently very important to this company. The staff really exceeded expectations.

Traveling with the Chinese airlines , their service superior to the US Airlines , they are much more friendly and the seats are comfortable , In the past I flew with United , now ,United Airline will become history for me .

Pros: "Yes, seats were very comfortable and crew members were extremely helpful"
Cons: "Everything was excellent."
Pros: "see SH to GZ prior flight. The same."
Cons: "Same problems. Get KFC or McDonalds to cater. No one enjoys the airline's food which I suspect is prepared on a very small budget. Even a sandwich with a pre-packaged drink would elevate the foodservice."

chaos boarding. Crew in business class seemed short staffed and lacking in attention to details initially, but did improve during flight.

The cabin was quite noisy as there were lots of children travelling for the school holidays. Found the selection of movies limited.

Delayed, not enough information. Had to ask for refreshments, crew could have been more proactive

The best so far coz this time it was all male steward on the economy cluster. They were polite, efficient & genuinely courteous. They do not judge you when you ask for more food & peanuts.

Delayed for 45 minutes. Don't know what's the issue. Other than that, food was not to my satisfaction. However it's okay.

My first course flight (Aor-Kul) was cancelled in the morning, and they asked me to board the night flight hence I need to transit overnight for the 2nd flight (Kul-Myy) that supposed to be on the same day. The overnight stay was not provided, (I'm traveling with my spouse, a daughter (5 y.o.) and an infant (2 months old). Hence I booked Sama Sama Hotel at my own expense (fortunately using my enrich miles points). Other than this issue, all services is good.

My experience with the flight was okay. My experience checking in was absolutely terrible. I was told I needed to change my e-ticket number to check in because I missed my flight in PDX. Even when shown the itinerary, they didn't budge and sent me to KLM across the airport. KLM wasn't open until 8pm and my flight was at 7:30pm. Nobody made accommodations in any way to get me to KUL. To add insult to injury, they rescheduled my flight to the very next day, creating a very long layover and did not offer any hotel stay. After this, even worse, I found out later they delayed the first 7:30pm flight to 9:10pm. Meaning, I could have still boarded but they refused to even try to get me on the plane. As a result, I missed a day of work and lost pay for the day. Also, when I went to get my luggage, it wasn't there. It was STILL in Singapore. They had from 5:30pm to 5am to get my luggage onto the plane and they still couldn't get that right. This is the worst experience I've had flying anywhere in the past decade I've been travelling.

Entertainment system was too old, crew were unorganised during boarding

No recognition for one World Emerald member. Business class seat has flat bed

No recognition for one World Emerald member. I got row 1 in business class and it was pathetic. No leg space, cramped space, less recline

Flight was delayed for 2 hours for no reason, then we spent almost an hour after boarding because of the weather conditions. If we left on time we could avoid that 😾

Cons: "Everything was great. Very nice and friendly crew, clean plane, great food. Excellent overall"
Pros: "Friendly crew and helpful staff"
Cons: "Missed connection from PEK to XIY due to delayed arrival and early departure. From XIY to PEK, booked and confirmed 11 departure, changed to 12:30 without notification or explaination. Rushed connections at PEK, pretty much ran from the minute left plan to another terminal, through custom, through all the health check points, security check. Just keep the fights on time and keep the original schedules, not arbitrarily change them."
Pros: "The food was good. It was nice that they supply wet hot towels before each meal. The seat was comfortable with the price I paid for. The rest room is nice and clean and quite spacious. The L’occitane toiletery bag was nice."
Cons: "It would be nice to supply mouthwash in the rest room. It would be nice to have a foot step at the bottom to open the trash container. The comforter is not washed and smells."
Cons: "Seats are narrow, leg room limited, and food is minimal."
Pros: "The seats on business were comfy, the service excellent, the movie selection was fair to poor, the food was also fair to good largely because they served a heavy lunch rather than a light breakfast."
Cons: "The food and movie selection."
Pros: "The crew was okay. The seating was great on all except for one leg."
Cons: "On one leg, it must have been an older plane, because the business class seats barely reclined."
Cons: "More TV show choices and more Hollywood movies although I understand it's a Chinese airline not American."
Pros: "Crew was great and was happy to get gluten free food i could eat"
Cons: "Not lose my bags :("
Pros: "Beautiful new plane, professional crew, totally decent food."
Cons: "Economy for 13 hours is always a bit rough, but no more so on Air China than any other airline. And the price was so much lower."

Book cheap flights from London to Cambodia

Cheapest flights to Cambodia from London found in 2024

Recent return flight deals

9/5Thu
2 stopsChina Southern
31h 50mLHR-PNH
23/5Thu
1 stopChina Southern
17h 10mPNH-LHR
£451
8/5Wed
2 stopsChina Southern
60h 30mLHR-PNH
6/6Thu
1 stopChina Southern
17h 10mPNH-LHR
£475
1/6Sat
1 stopAir China
20h 35mLHR-PNH
7/6Fri
1 stopAir China
26h 15mPNH-LHR
£507
1/6Sat
2 stopsAir China
31h 10mLHR-PNH
7/6Fri
1 stopAir China
26h 15mPNH-LHR
£534
9/5Thu
1 stopChina Eastern
19h 55mLHR-PNH
22/5Wed
1 stopChina Eastern
24h 30mPNH-LHR
£651
4/10Fri
1 stopSingapore Airlines
19h 40mLHR-PNH
16/10Wed
1 stopSingapore Airlines
27h 15mPNH-LHR
£751
3/10Thu
1 stopMalaysia Airlines
17h 00mLHR-PNH
5/10Sat
1 stopMalaysia Airlines
24h 45mPNH-LHR
£756
4/10Fri
1 stopSingapore Airlines
19h 40mLHR-PNH
21/10Mon
1 stopSingapore Airlines
17h 30mPNH-LHR
£795
10/10Thu
1 stopMalaysia Airlines
17h 00mLHR-PNH
26/10Sat
1 stopMalaysia Airlines
24h 45mPNH-LHR
£800
26/5Sun
1 stopChina Eastern
19h 55mLHR-PNH
3/6Mon
1 stopChina Eastern
24h 30mPNH-LHR
£824

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Recent one-way flight deals

16/5Thu
2 stops
27h 50mLHR-PNH
£344
13/5Mon
2 stops
27h 50mLHR-PNH
£345
15/5Wed
2 stops
27h 50mLHR-PNH
£350
1/5Wed
3 stopsChina Southern
33h 25mLHR-PNH
£409
1/5Wed
1 stopChina Southern
20h 00mLHR-PNH
£412
13/5Mon
2 stopsAir China
30h 30mLHR-PNH
£437
19/9Thu
1 stopMalaysia Airlines
17h 00mLHR-PNH
£475
3/7Wed
1 stopThai Airways
16h 30mLHR-PNH
£573
30/5Thu
1 stopThai Airways
14h 20mLHR-PNH
£1,696
30/5Thu
1 stopMalaysia Airlines
17h 00mLHR-PNH
£3,685

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Last minute flights from Heathrow to Cambodia

Last minute flight, train and bus deals

29/4Mon
multi-stopEtihad Airways
29h 35mLHR-PNH
5/8Mon
multi-stopEtihad Airways
29h 20mPNH-LHR
£813
29/4Mon
multi-stop
31h 10mLHR-PNH
6/8Tue
multi-stop
26h 45mPNH-LHR
£816
29/4Mon
multi-stop
31h 10mLHR-PNH
7/8Wed
multi-stop
30h 50mPNH-LHR
£823
28/4Sun
multi-stopChina Southern
20h 00mLHR-PNH
6/8Tue
multi-stopChina Southern
17h 10mPNH-LHR
£828
28/4Sun
multi-stopEmirates
23h 45mLHR-PNH
8/8Thu
multi-stopEmirates
40h 15mPNH-LHR
£829
29/4Mon
multi-stopEtihad Airways
29h 35mLHR-PNH
3/8Sat
multi-stopEtihad Airways
29h 20mPNH-LHR
£833
28/4Sun
multi-stopMalaysia Airlines
24h 25mLHR-PNH
3/8Sat
multi-stopMalaysia Airlines
28h 15mPNH-LHR
£836
29/4Mon
multi-stop
19h 05mLHR-PNH
3/8Sat
multi-stop
28h 40mPNH-LHR
£839
28/4Sun
multi-stopEtihad Airways
30h 35mLHR-PNH
3/8Sat
multi-stopEtihad Airways
29h 20mPNH-LHR
£850
28/4Sun
multi-stopEmirates
23h 45mLHR-PNH
2/8Fri
multi-stopEmirates
24h 15mPNH-LHR
£859

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London Heathrow Airport - Cambodia Flights

Departure:

London Heathrow Airport (LHR)United Kingdom

Return flight deals:

Cambodia - London Heathrow Airport

Cabin classes: