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Cheap flights from London Heathrow Airport to Cambodia from £355

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Cambodia departing on 1/10. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

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Find the cheapest flights from London Heathrow Airport to Cambodia

Cheap return flights

Etihad Airways Logo
08:50 - 06:30LHR-PNH
14h 40m1 stop
Etihad Airways Logo
07:55 - 06:40PNH-LHR
29h 45m1 stop
£480Etihad Airways
Find Deal
Mon, 24 Nov - Mon, 8 Dec
Etihad Airways Logo
09:30 - 06:55LHR-PNH
15h 25m1 stop
Etihad Airways Logo
08:30 - 18:45PNH-LHR
16h 15m1 stop
£486Etihad Airways
Find Deal
Sun, 5 Oct - Tue, 14 Oct
Etihad Airways Logo
19:20 - 18:25LHR-PNH
16h 05m1 stop
Etihad Airways Logo
07:55 - 12:05PNH-LHR
35h 10m1 stop
£487Etihad Airways
Find Deal
Wed, 12 Nov - Fri, 12 Dec
Etihad Airways Logo
09:30 - 06:55LHR-PNH
15h 25m1 stop
Etihad Airways Logo
08:30 - 18:45PNH-LHR
16h 15m1 stop
£493Etihad Airways
Find Deal
Mon, 13 Oct - Mon, 20 Oct
Etihad Airways Logo
20:55 - 18:25LHR-PNH
14h 30m1 stop
Etihad Airways Logo
07:55 - 06:40PNH-LHR
29h 45m1 stop
£494Etihad Airways
Find Deal
Mon, 24 Nov - Mon, 8 Dec
Etihad Airways Logo
20:55 - 06:55LHR-PNH
28h 00m1 stop
Etihad Airways Logo
08:30 - 15:15PNH-LHR
36h 45m1 stop
£494Etihad Airways
Find Deal
Tue, 7 Oct - Tue, 21 Oct
Etihad Airways Logo
20:55 - 06:30LHR-PNH
26h 35m1 stop
Etihad Airways Logo
19:50 - 18:10PNH-LHR
29h 20m1 stop
£495Etihad Airways
Find Deal
Wed, 24 Dec - Tue, 20 Jan
Etihad Airways Logo
20:55 - 18:25LHR-PNH
14h 30m1 stop
Etihad Airways Logo
07:55 - 18:10PNH-LHR
17h 15m1 stop
£497Etihad Airways
Find Deal
Mon, 23 Feb - Tue, 10 Mar
Logo
13:55 - 13:05LHR-KOS
40h 10m2 stops
Logo
13:35 - 14:30KOS-LHR
31h 55m2 stops
£650
Find Deal
Wed, 29 Oct - Wed, 5 Nov
Logo
13:55 - 13:05LHR-KOS
40h 10m2 stops
Logo
13:35 - 14:30KOS-LHR
31h 55m2 stops
£659
Find Deal
Wed, 29 Oct - Wed, 5 Nov

Etihad Airways flights from London Heathrow Airport to Cambodia

Our best Etihad Airways deals on London Heathrow Airport to Cambodia flight tickets
Etihad Airways
24 Nov
LHR08:50London Heathrow
14h 40m
1 stop
PNH06:30Phnom Penh Pochentong
8 Dec
PNH07:55Phnom Penh Pochentong
29h 45m
1 stop
LHR06:40London Heathrow
£480
Find similar
Etihad Airways
5 Oct
LHR09:30London Heathrow
15h 25m
1 stop
PNH06:55Phnom Penh Pochentong
14 Oct
PNH08:30Phnom Penh Pochentong
16h 15m
1 stop
LHR18:45London Heathrow
£486
Find similar
Etihad Airways
12 Nov
LHR19:20London Heathrow
16h 05m
1 stop
PNH18:25Phnom Penh Pochentong
12 Dec
PNH07:55Phnom Penh Pochentong
35h 10m
1 stop
LHR12:05London Heathrow
£487
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport 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, momondo users made 279,928 searches. Data last updated 16 September 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Cambodia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Mon 24/11

08:50-06:30

1 stop14h 40m

Phnom Penh Pochentong

Mon 8/12

07:55-06:40

1 stop29h 45m

£480

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Sun 5/10

09:30-06:55

1 stop15h 25m

Phnom Penh Pochentong

Tue 14/10

08:30-18:45

1 stop16h 15m

£486

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Wed 12/11

19:20-18:25

1 stop16h 05m

Phnom Penh Pochentong

Fri 12/12

07:55-12:05

1 stop35h 10m

£487

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Mon 13/10

09:30-06:55

1 stop15h 25m

Phnom Penh Pochentong

Mon 20/10

08:30-18:45

1 stop16h 15m

£493

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Mon 24/11

20:55-18:25

1 stop14h 30m

Phnom Penh Pochentong

Mon 8/12

07:55-06:40

1 stop29h 45m

£494

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Tue 7/10

20:55-06:55

1 stop28h 00m

Phnom Penh Pochentong

Tue 21/10

08:30-15:15

1 stop36h 45m

£494

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Wed 24/12

20:55-06:30

1 stop26h 35m

Phnom Penh Pochentong

Tue 20/1

19:50-18:10

1 stop29h 20m

£495

LondonPhnom Penh

LHR - PNH

LHRPNH

London Heathrow

Mon 23/2

20:55-18:25

1 stop14h 30m

Phnom Penh Pochentong

Tue 10/3

07:55-18:10

1 stop17h 15m

£497

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Wed 29/10

13:55-13:05

2 stops40h 10m

Krong Preah Sihanouk Sihanoukville

Wed 5/11

13:35-14:30

2 stops31h 55m

£650

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Wed 29/10

13:55-13:05

2 stops40h 10m

Krong Preah Sihanouk Sihanoukville

Wed 5/11

13:35-14:30

2 stops31h 55m

£659

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
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See travel insights to Cambodia from

How to get the cheapest flight ticket from London Heathrow Airport to Cambodia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Cambodia?

In general, November is the cheapest month to fly from London Heathrow Airport to Cambodia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £572. If you aren’t able to travel during the month of November, then book flights to Cambodia from London Heathrow Airport during May instead. Flights to Cambodia in May, while not as cheap as those in November, still average around £575.

What is the cheapest day to depart on your flight to Cambodia?

According to our data, Monday is the cheapest day to fly to Cambodia from London Heathrow Airport. The lowest ticket price found for a Monday departure recently was £622. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. If your travel schedule is flexible, try to avoid departing on a Friday because tickets tend to average around £726. These prices are subject to change though, so be sure to set up a Price Alert for flights to Cambodia.

What is the cheapest time of day to depart on your flight to Cambodia?

Flying to Cambodia from London Heathrow Airport in the evening is the least expensive time of day to depart. momondo users have found prices as low as £522 when looking at flights departing in the evening. At midday is when there is more demand to fly to Cambodia, so prices are often more expensive at around £852 per ticket.

How far in advance should I book a flight to Cambodia?

You are more likely to see cheaper flights to Cambodia from London Heathrow Airport when booking weeks ahead of your departure date. In general, you can expect to find flights to Cambodia for around £696 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Cambodia from London Heathrow Airport for as low as £589 on momondo.

Can stopping save me money on London Heathrow Airport to Cambodia flights?

You could potentially save up to 2% on your flight if you consider stops on a London Heathrow Airport to Cambodia flight.

Cheap London Heathrow Airport to Cambodia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from London Heathrow Airport to Cambodia

Direct flights

None
There are no direct flights from London Heathrow Airport to Cambodia. There are no popular flight routes from London Heathrow Airport to Cambodia.
Search flight deals

  • When did momondo last update prices for flights from London Heathrow Airport to Cambodia?

    Prices for flights from London Heathrow Airport to Cambodia refresh daily.

  • How many operators does momondo search for flights from London Heathrow Airport to Cambodia?

  • How old do you have to be to fly from London Heathrow Airport to Cambodia?

    The minimum age for a child to fly alone is five, but airlines that offer an unaccompanied minor (UNMR) service may have their own age limitations. Flight duration, scheduling, and layovers are among the considerations that may influence age limits. We recommend that you double-check with the airline you are booking with for travel from London Heathrow Airport to Cambodia.

  • What documentation or ID do you need to fly to Cambodia?

    The required travel and health documents for your Cambodia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Cambodia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from London Heathrow Airport to Cambodia

Compare and see reviews for airlines that fly from London Heathrow Airport to Cambodia with momondo
Airline
Rating
Free Cancellation
Price
Air ChinaPriceFrom £364Free CancellationRating
7.2
99 reviews
Search Air China flights
Shenzhen AirlinesPriceFrom £378Free CancellationRating
7.5
20 reviews
Search Shenzhen Airlines flights
China SouthernPriceFrom £423Free CancellationRating
7.5
110 reviews
Search China Southern flights
Etihad AirwaysPriceFrom £512Free CancellationRating
7.4
1,250 reviews
Search Etihad Airways flights
China EasternPriceFrom £557Free CancellationRating
7.2
165 reviews
Search China Eastern flights
Singapore AirlinesPriceFrom £583Free CancellationRating
8.1
1,365 reviews
Search Singapore Airlines flights
Malaysia AirlinesPriceFrom £589Free CancellationRating
7.3
278 reviews
Search Malaysia Airlines flights
Vietnam AirlinesPriceFrom £624Free CancellationRating
7.6
201 reviews
Search Vietnam Airlines flights
British AirwaysPriceFrom £640Free CancellationRating
6.6
7,361 reviews
Search British Airways flights
Cathay PacificPriceFrom £666Free CancellationRating
7.6
993 reviews
Search Cathay Pacific flights

Why use momondo?

Why should I use momondo to find a flight deal from London to Cambodia?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from London to Cambodia . Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from London to Cambodia with flexible booking policies on momondo?

Yes. momondo allows you to filter the results for London to Cambodia flights to just show those with flexible booking policies.

How can momondo help me find flights from London to Cambodia?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Cambodia from London.

I’m not ready to book a flight from London to Cambodia right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of London to Cambodia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

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