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Cheap flights from London to Cambodia from £577

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from London to Cambodia departing on 23/1. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Cheap return flights

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Multiple Airlines Logo
21:10 - 13:05LHR-KOS
32h 55m2 stops
Multiple Airlines Logo
12:15 - 19:10KOS-LHR
37h 55m2 stops
£577Multiple Airlines
Find Deal
Fri, 23 Jan - Sat, 31 Jan
Multiple Airlines Logo
14:05 - 13:05LGW-KOS
40h 00m2 stops
Multiple Airlines Logo
12:15 - 05:55KOS-LGW
24h 40m2 stops
£734Multiple Airlines
Find Deal
Fri, 23 Jan - Sat, 31 Jan
Multiple Airlines Logo
21:25 - 13:05LHR-KOS
32h 40m1 stop
Multiple Airlines Logo
12:15 - 11:40KOS-LHR
30h 25m2 stops
£838Multiple Airlines
Find Deal
Fri, 23 Jan - Sat, 31 Jan
Multiple Airlines Logo
09:00 - 11:45LGW-KOS
19h 45m2 stops
Multiple Airlines Logo
12:15 - 23:40KOS-LGW
42h 25m3 stops
£855Multiple Airlines
Find Deal
Fri, 23 Jan - Sat, 31 Jan
Multiple Airlines Logo
06:00 - 11:45LHR-KOS
22h 45m3 stops
Multiple Airlines Logo
07:00 - 05:55KOS-LHR
29h 55m3 stops
£893Multiple Airlines
Find Deal
Wed, 10 Dec - Fri, 19 Dec
Multiple Airlines Logo
21:25 - 13:05LHR-KOS
32h 40m1 stop
Multiple Airlines Logo
12:15 - 05:35KOS-LHR
24h 20m1 stop
£917Multiple Airlines
Find Deal
Fri, 23 Jan - Sat, 31 Jan
Multiple Airlines Logo
07:15 - 19:30LHR-KOS
29h 15m2 stops
Multiple Airlines Logo
07:00 - 07:15KOS-LHR
55h 15m2 stops
£960Multiple Airlines
Find Deal
Wed, 10 Dec - Fri, 19 Dec
Multiple Airlines Logo
06:00 - 11:45LHR-KOS
22h 45m3 stops
Multiple Airlines Logo
13:35 - 11:30KOS-LHR
28h 55m2 stops
£965Multiple Airlines
Find Deal
Wed, 10 Dec - Fri, 19 Dec
Vietnam Airlines Logo
06:20 - 19:30LHR-KOS
30h 10m2 stops
Vietnam Airlines Logo
10:45 - 07:15KOS-LHR
27h 30m2 stops
£993Vietnam Airlines
Find Deal
Wed, 11 Mar - Sun, 15 Mar
Vietnam Airlines Logo
06:20 - 19:30LHR-KOS
30h 10m2 stops
Vietnam Airlines Logo
10:45 - 07:15KOS-LHR
27h 30m2 stops
£996Vietnam Airlines
Find Deal
Wed, 11 Mar - Sun, 15 Mar

Vietnam Airlines flights from London to Cambodia

Our best Vietnam Airlines deals on London to Cambodia flight tickets
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
£993
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
£996
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
£1,041
Find similar

momondo 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, momondo users made 279,928 searches. Data last updated 7 November 2025.
Use the filters below to find and compare flights from London to Cambodia that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Fri 23/1

21:10-13:05

2 stops32h 55m

Krong Preah Sihanouk Sihanoukville

Sat 31/1

12:15-19:10

2 stops37h 55m

£577

LondonKrong Preah Sihanouk

LGW - KOS

LGWKOS

London Gatwick

Fri 23/1

14:05-13:05

2 stops40h 00m

Krong Preah Sihanouk Sihanoukville

Sat 31/1

12:15-05:55

2 stops24h 40m

£734

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Fri 23/1

21:25-13:05

1 stop32h 40m

Krong Preah Sihanouk Sihanoukville

Sat 31/1

12:15-11:40

2 stops30h 25m

£838

LondonKrong Preah Sihanouk

LGW - KOS

LGWKOS

London Gatwick

Fri 23/1

09:00-11:45

2 stops19h 45m

Krong Preah Sihanouk Sihanoukville

Sat 31/1

12:15-23:40

3 stops42h 25m

£855

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Wed 10/12

06:00-11:45

3 stops22h 45m

Krong Preah Sihanouk Sihanoukville

Fri 19/12

07:00-05:55

3 stops29h 55m

£893

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Fri 23/1

21:25-13:05

1 stop32h 40m

Krong Preah Sihanouk Sihanoukville

Sat 31/1

12:15-05:35

1 stop24h 20m

£917

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Wed 10/12

07:15-19:30

2 stops29h 15m

Krong Preah Sihanouk Sihanoukville

Fri 19/12

07:00-07:15

2 stops55h 15m

£960

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Wed 10/12

06:00-11:45

3 stops22h 45m

Krong Preah Sihanouk Sihanoukville

Fri 19/12

13:35-11:30

2 stops28h 55m

£965

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

£993

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

£996

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

See travel insights to Cambodia from

How to get the cheapest flight ticket from London 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 to Cambodia. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £535. If you aren’t able to travel during the month of November, then book flights to Cambodia from London during September instead. Flights to Cambodia in September, while not as cheap as those in November, still average around £588.

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. The lowest ticket price found for a Monday departure recently was £645. 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 £754. 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 in the evening is the least expensive time of day to depart. momondo users have found prices as low as £541 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 £884 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 when booking weeks ahead of your departure date. In general, you can expect to find flights to Cambodia for around £723 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 for as low as £602 on momondo.

Can stopping save me money on London to Cambodia flights?

You could potentially save up to 6% on your flight if you consider stops on a London to Cambodia flight.

Cheap London to Cambodia flight deals and tips

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

Direct flights

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

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

    Prices for flights from London to Cambodia were last updated today.

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

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

    Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from London to Cambodia.

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

    The travel and health documents required for your trip to Cambodia can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Cambodia. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

Best airlines flying from London to Cambodia

Compare and see reviews for airlines that fly from London to Cambodia with momondo
Airline
Rating
Free Cancellation
Price
Air ChinaPriceFrom £274Free CancellationRating
7.1
122 reviews
Search Air China flights
China SouthernPriceFrom £372Free CancellationRating
7.5
119 reviews
Search China Southern flights
Shenzhen AirlinesPriceFrom £392Free CancellationRating
7.5
20 reviews
Search Shenzhen Airlines flights
China EasternPriceFrom £526Free CancellationRating
7.2
174 reviews
Search China Eastern flights
Etihad AirwaysPriceFrom £527Free CancellationRating
7.4
1,285 reviews
Search Etihad Airways flights
Singapore AirlinesPriceFrom £580Free CancellationRating
8.1
1,393 reviews
Search Singapore Airlines flights
Austrian AirlinesPriceFrom £597Free CancellationRating
7.6
865 reviews
Search Austrian Airlines flights
Malaysia AirlinesPriceFrom £611Free CancellationRating
7.3
279 reviews
Search Malaysia Airlines flights
Vietnam AirlinesPriceFrom £631Free CancellationRating
7.6
212 reviews
Search Vietnam Airlines flights
British AirwaysPriceFrom £664Free CancellationRating
6.7
7,500 reviews
Search British Airways flights

Why use momondo?

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

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Cambodia from London.

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 for London to Cambodia flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

If you are not ready to book a flight from London to Cambodia now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Cambodia and let you know when they change.

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