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Cheap flights from London Heathrow Airport to Cambodia from £369

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 16/3. 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

Enter your travel dates to find the best prices.
Multiple Airlines Logo
14:15 - 13:05LHR-KOS
39h 50m2 stops
Multiple Airlines Logo
13:30 - 06:25KOS-LHR
22h 55m2 stops
£747Multiple Airlines
Find Deal
Mon, 16 Mar - Mon, 30 Mar
Multiple Airlines Logo
08:35 - 09:35LHR-KOS
18h 00m2 stops
Multiple Airlines Logo
10:45 - 19:50KOS-LHR
40h 05m2 stops
£779Multiple Airlines
Find Deal
Sat, 17 Jan - Sat, 7 Feb
Multiple Airlines Logo
06:00 - 11:45LHR-KOS
22h 45m3 stops
Multiple Airlines Logo
13:35 - 17:55KOS-LHR
35h 20m3 stops
£782Multiple Airlines
Find Deal
Wed, 11 Feb - Sun, 22 Feb
Multiple Airlines Logo
21:10 - 13:05LHR-KOS
32h 55m2 stops
Multiple Airlines Logo
13:35 - 19:10KOS-LHR
36h 35m2 stops
£795Multiple Airlines
Find Deal
Wed, 11 Feb - Sun, 22 Feb
Vietnam Airlines Logo
11:00 - 09:35LHR-KOS
15h 35m1 stop
Vietnam Airlines Logo
10:45 - 10:30KOS-LHR
54h 45m2 stops
£807Vietnam Airlines
Find Deal
Sat, 17 Jan - Sat, 7 Feb
Multiple Airlines Logo
21:10 - 09:35LHR-KOS
29h 25m2 stops
Multiple Airlines Logo
13:30 - 05:55KOS-LHR
22h 25m1 stop
£835Multiple Airlines
Find Deal
Mon, 16 Mar - Mon, 30 Mar
Multiple Airlines Logo
08:05 - 13:05LHR-KOS
22h 00m2 stops
Multiple Airlines Logo
13:10 - 17:30KOS-LHR
35h 20m3 stops
£838Multiple Airlines
Find Deal
Sat, 17 Jan - Sat, 7 Feb
Multiple Airlines Logo
06:00 - 11:45LHR-KOS
22h 45m3 stops
Multiple Airlines Logo
13:35 - 11:40KOS-LHR
29h 05m2 stops
£855Multiple Airlines
Find Deal
Wed, 11 Feb - Sun, 22 Feb
Multiple Airlines Logo
21:25 - 13:05LHR-KOS
32h 40m1 stop
Multiple Airlines Logo
13:30 - 05:55KOS-LHR
22h 25m1 stop
£878Multiple Airlines
Find Deal
Mon, 16 Mar - Mon, 30 Mar
Vietnam Airlines Logo
06:20 - 19:30LHR-KOS
30h 10m2 stops
Vietnam Airlines Logo
10:45 - 07:15KOS-LHR
27h 30m2 stops
£995Vietnam Airlines
Find Deal
Wed, 11 Mar - Sun, 15 Mar

Vietnam Airlines flights from London Heathrow Airport to Cambodia

Our best Vietnam Airlines deals on London Heathrow Airport to Cambodia flight tickets
Vietnam Airlines
17 Jan
LHR11:00London Heathrow
15h 35m
1 stop
KOS09:35Krong Preah Sihanouk Sihanoukville
7 Feb
KOS10:45Krong Preah Sihanouk Sihanoukville
54h 45m
2 stops
LHR10:30London Heathrow
£807
Find similar
Vietnam Airlines
11 Mar
LHR06:20London Heathrow
30h 10m
2 stops
KOS19:30Krong Preah Sihanouk Sihanoukville
15 Mar
KOS10:45Krong Preah Sihanouk Sihanoukville
27h 30m
2 stops
LHR07:15London Heathrow
£995
Find similar
Vietnam Airlines
11 Mar
LHR06:20London Heathrow
30h 10m
2 stops
KOS19:30Krong Preah Sihanouk Sihanoukville
15 Mar
KOS10:45Krong Preah Sihanouk Sihanoukville
27h 30m
2 stops
LHR07:15London Heathrow
£1,003
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 31 October 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

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Mon 16/3

14:15-13:05

2 stops39h 50m

Krong Preah Sihanouk Sihanoukville

Mon 30/3

13:30-06:25

2 stops22h 55m

£747

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Sat 17/1

08:35-09:35

2 stops18h 00m

Krong Preah Sihanouk Sihanoukville

Sat 7/2

10:45-19:50

2 stops40h 05m

£779

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Wed 11/2

06:00-11:45

3 stops22h 45m

Krong Preah Sihanouk Sihanoukville

Sun 22/2

13:35-17:55

3 stops35h 20m

£782

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Wed 11/2

21:10-13:05

2 stops32h 55m

Krong Preah Sihanouk Sihanoukville

Sun 22/2

13:35-19:10

2 stops36h 35m

£795

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Sat 17/1

11:00-09:35

1 stop15h 35m

Krong Preah Sihanouk Sihanoukville

Sat 7/2

10:45-10:30

2 stops54h 45m

£807

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Mon 16/3

21:10-09:35

2 stops29h 25m

Krong Preah Sihanouk Sihanoukville

Mon 30/3

13:30-05:55

1 stop22h 25m

£835

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Sat 17/1

08:05-13:05

2 stops22h 00m

Krong Preah Sihanouk Sihanoukville

Sat 7/2

13:10-17:30

3 stops35h 20m

£838

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Wed 11/2

06:00-11:45

3 stops22h 45m

Krong Preah Sihanouk Sihanoukville

Sun 22/2

13:35-11:40

2 stops29h 05m

£855

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Mon 16/3

21:25-13:05

1 stop32h 40m

Krong Preah Sihanouk Sihanoukville

Mon 30/3

13:30-05:55

1 stop22h 25m

£878

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Wed 11/3

06:20-19:30

2 stops30h 10m

Krong Preah Sihanouk Sihanoukville

Sun 15/3

10:45-07:15

2 stops27h 30m

£995

Flights are sorted by cheapest return flights first.

Showing 1-10 of 13 resultsSorted by cheapest first
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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 £590. 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 £596.

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 £641. 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 £749. 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 £538 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 £878 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 £718 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 £598 on momondo.

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

You could potentially save up to 24% 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 £272Free CancellationRating
7.1
119 reviews
Search Air China flights
Shenzhen AirlinesPriceFrom £390Free CancellationRating
7.5
20 reviews
Search Shenzhen Airlines flights
China SouthernPriceFrom £422Free CancellationRating
7.4
117 reviews
Search China Southern flights
Etihad AirwaysPriceFrom £519Free CancellationRating
7.4
1,284 reviews
Search Etihad Airways flights
China EasternPriceFrom £575Free CancellationRating
7.2
174 reviews
Search China Eastern flights
Austrian AirlinesPriceFrom £593Free CancellationRating
7.6
862 reviews
Search Austrian Airlines flights
Singapore AirlinesPriceFrom £595Free CancellationRating
8.1
1,388 reviews
Search Singapore Airlines flights
Malaysia AirlinesPriceFrom £607Free CancellationRating
7.3
278 reviews
Search Malaysia Airlines flights
Vietnam AirlinesPriceFrom £627Free CancellationRating
7.5
210 reviews
Search Vietnam Airlines flights
British AirwaysPriceFrom £660Free CancellationRating
6.7
7,488 reviews
Search British Airways 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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