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Cheap flights from London Heathrow Airport to Krong Preah Sihanouk from £753

This is the cheapest return flight price found by a momondo user in the last 72 hours by searching for a flight from London Heathrow Airport to Krong Preah Sihanouk departing on 13/9. 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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Find the cheapest flights from London Heathrow Airport to Krong Preah Sihanouk

Cheap return flights

Logo
22:05 - 13:00LHR-KOS
32h 55m2 stops
Logo
12:15 - 16:35KOS-LHR
34h 20m1 stop
£753
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Sat, 13 Sep - Sat, 20 Sep
Logo
22:05 - 13:00LHR-KOS
32h 55m2 stops
Logo
12:15 - 16:35KOS-LHR
34h 20m1 stop
£772
Find Deal
Sat, 13 Sep - Sat, 20 Sep
Logo
22:05 - 13:00LHR-KOS
32h 55m2 stops
Logo
12:15 - 16:35KOS-LHR
34h 20m1 stop
£780
Find Deal
Sat, 13 Sep - Sat, 20 Sep
Logo
08:05 - 09:35LHR-KOS
18h 30m2 stops
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10:45 - 06:25KOS-LHR
26h 40m2 stops
£781
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Thu, 6 Nov - Wed, 24 Dec
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21:20 - 09:15LHR-KOS
29h 55m2 stops
Logo
10:15 - 07:30KOS-LHR
27h 15m2 stops
£791
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Sat, 13 Sep - Sat, 20 Sep
Logo
16:00 - 09:15LHR-KOS
35h 15m2 stops
Logo
10:15 - 20:25KOS-LHR
40h 10m2 stops
£796
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Thu, 28 Aug - Thu, 4 Sep
Logo
21:20 - 09:15LHR-KOS
29h 55m2 stops
Logo
10:15 - 07:30KOS-LHR
27h 15m2 stops
£805
Find Deal
Sat, 13 Sep - Sat, 20 Sep
Logo
08:05 - 09:35LHR-KOS
18h 30m2 stops
Logo
10:45 - 19:50KOS-LHR
40h 05m2 stops
£807
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Thu, 6 Nov - Fri, 19 Dec
Logo
10:25 - 13:05LHR-KOS
19h 40m1 stop
Logo
12:15 - 19:10KOS-LHR
37h 55m2 stops
£808
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Thu, 6 Nov - Thu, 18 Dec
Logo
21:20 - 09:15LHR-KOS
29h 55m2 stops
Logo
10:15 - 14:05KOS-LHR
33h 50m2 stops
£813
Find Deal
Sat, 13 Sep - Sat, 20 Sep

momondo Fare Finder

 
Customise your flight search to find flights from London Heathrow Airport to Krong Preah Sihanouk 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 1 August 2025.
Use the filters below to find and compare flights from London Heathrow Airport to Krong Preah Sihanouk that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Sat 13/9

22:05-13:00

2 stops32h 55m

Krong Preah Sihanouk Sihanoukville

Sat 20/9

12:15-16:35

1 stop34h 20m

£753

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Sat 13/9

22:05-13:00

2 stops32h 55m

Krong Preah Sihanouk Sihanoukville

Sat 20/9

12:15-16:35

1 stop34h 20m

£772

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Sat 13/9

22:05-13:00

2 stops32h 55m

Krong Preah Sihanouk Sihanoukville

Sat 20/9

12:15-16:35

1 stop34h 20m

£780

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Thu 6/11

08:05-09:35

2 stops18h 30m

Krong Preah Sihanouk Sihanoukville

Wed 24/12

10:45-06:25

2 stops26h 40m

£781

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Sat 13/9

21:20-09:15

2 stops29h 55m

Krong Preah Sihanouk Sihanoukville

Sat 20/9

10:15-07:30

2 stops27h 15m

£791

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Thu 28/8

16:00-09:15

2 stops35h 15m

Krong Preah Sihanouk Sihanoukville

Thu 4/9

10:15-20:25

2 stops40h 10m

£796

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Sat 13/9

21:20-09:15

2 stops29h 55m

Krong Preah Sihanouk Sihanoukville

Sat 20/9

10:15-07:30

2 stops27h 15m

£805

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Thu 6/11

08:05-09:35

2 stops18h 30m

Krong Preah Sihanouk Sihanoukville

Fri 19/12

10:45-19:50

2 stops40h 05m

£807

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Thu 6/11

10:25-13:05

1 stop19h 40m

Krong Preah Sihanouk Sihanoukville

Thu 18/12

12:15-19:10

2 stops37h 55m

£808

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Sat 13/9

21:20-09:15

2 stops29h 55m

Krong Preah Sihanouk Sihanoukville

Sat 20/9

10:15-14:05

2 stops33h 50m

£813

Flights are sorted by cheapest return flights first.

Sorted by cheapest first

When to book flights from London Heathrow Airport to Krong Preah Sihanouk

Are you open to changing your travel dates? Check out the ideal times to fly from London Heathrow Airport to Krong Preah Sihanouk according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap London Heathrow Airport to Krong Preah Sihanouk (LHR to KOS) flight deals and tips

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

Best price found

£753

Fastest flight time

15h 35m

Direct flights

None

Airports in Krong Preah Sihanouk

1 airport
The best flight deal from London Heathrow Airport to Krong Preah Sihanouk found on momondo in the last 72 hours is £753
The fastest flight from London Heathrow Airport to Krong Preah Sihanouk takes 15h 35m
There are no direct flights from London Heathrow Airport to Krong Preah Sihanouk. Popular non-direct route for this connection is London Heathrow Airport - Krong Preah Sihanouk Sihanoukville Airport.
There is 1 airport near Krong Preah Sihanouk: Krong Preah Sihanouk Sihanoukville (KOS)
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  • How far is London Heathrow to Krong Preah Sihanouk Sihanoukville by plane?

    The distance between London Heathrow and Krong Preah Sihanouk Sihanoukville is about 6229.7 mi. Flights usually cover this in 15h 35m, depending on flying conditions and air traffic around both airports.

  • When did momondo last update prices for flights from London Heathrow Airport to Krong Preah Sihanouk Sihanoukville Airport?

    Prices for flights from London Heathrow Airport to Krong Preah Sihanouk Sihanoukville Airport refresh daily.

  • How old do you have to be to fly from London Heathrow Airport to Krong Preah Sihanouk Sihanoukville Airport?

    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 Krong Preah Sihanouk Sihanoukville Airport.

  • What documentation or ID do you need to fly to Krong Preah Sihanouk Sihanoukville Airport?

    The required travel and health documents for your Krong Preah Sihanouk Sihanoukville Airport 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 Krong Preah Sihanouk Sihanoukville Airport. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

  • How do I get Price Alerts for flights from London Heathrow Airport to Krong Preah Sihanouk?

    Search flight deals from London Heathrow Airport to Krong Preah Sihanouk. While viewing offers you’ll have the option to create a Price Alert.

  • How can I save money on flights from London Heathrow Airport to Krong Preah Sihanouk with momondo?

    By using tools like our “Price Calendar”, you can see the best days for return flights on your travels. Our “Price Forecast” tool uses AI to predict whether you should purchase or hold off on booking for potentially cheaper prices. Explore shows you all flight options from a city or airport to build your own unique adventure. The Discover blog also provides valuable insights for saving money while booking your experience. After searching you can toggle on “Price Alerts” to track prices for your desired flight and book at the ideal moment.

  • How does momondo find its flight prices?

    We show prices from over 700+ competitors with a single click. With options from airlines and OTAs from across our 30 international markets, we are able to show you a diverse range of deals to create your adventure.

Travelling to a place near Krong Preah Sihanouk?

Book flights to Krong Preah Sihanouk if you plan to visit one of these locations
Kampot

Why use momondo?

Why should I use momondo to find a flight deal from London to Krong Preah Sihanouk?

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from London to Krong Preah Sihanouk for you.

Can I find flights from London to Krong Preah Sihanouk with flexible booking policies on momondo?

momondo does allow users to show only those flights to Krong Preah Sihanouk from London which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from London to Krong Preah Sihanouk?

momondo provides multiple filters to help you find the best flight to Krong Preah Sihanouk from London. Filter by price, airline, airports, cabin, aircraft, payment method, number of stops and more.

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

Of course. momondo tracks the price of London to Krong Preah Sihanouk 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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