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Cheap flights from London Heathrow Airport to Krong Preah Sihanouk from £415

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 Krong Preah Sihanouk departing on 18/8. 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
1 adult, Economy, 0 bags

Find the cheapest flights from London Heathrow Airport to Krong Preah Sihanouk

Cheap return flights

Enter your travel dates to find the best prices.
Multiple Airlines Logo
06:00 - 11:45
LHR
-
KOS
23h 45m
3 stops
Multiple Airlines Logo
13:30 - 14:25
KOS
-
LHR
30h 55m
2 stops
£839Multiple Airlines
Fri, 11 Sep - Fri, 25 Sep
Multiple Airlines Logo
20:40 - 19:40
LHR
-
KOS
41h 00m
2 stops
Multiple Airlines Logo
09:50 - 07:30
KOS
-
LHR
27h 40m
2 stops
£849Multiple Airlines
Sat, 12 Sep - Sat, 19 Sep
Multiple Airlines Logo
06:00 - 11:45
LHR
-
KOS
23h 45m
3 stops
Multiple Airlines Logo
13:30 - 14:25
KOS
-
LHR
30h 55m
2 stops
£854Multiple Airlines
Fri, 11 Sep - Fri, 25 Sep
Multiple Airlines Logo
19:25 - 19:40
LHR
-
KOS
42h 15m
2 stops
Multiple Airlines Logo
07:15 - 14:05
KOS
-
LHR
36h 50m
2 stops
£859Multiple Airlines
Tue, 8 Sep - Tue, 15 Sep
Multiple Airlines Logo
20:40 - 19:40
LHR
-
KOS
41h 00m
2 stops
Multiple Airlines Logo
07:15 - 13:15
KOS
-
LHR
36h 00m
2 stops
£859Multiple Airlines
Tue, 8 Sep - Tue, 15 Sep
Multiple Airlines Logo
06:30 - 13:00
LHR
-
KOS
24h 30m
3 stops
Multiple Airlines Logo
12:15 - 16:10
KOS
-
LHR
33h 55m
2 stops
£877Multiple Airlines
Thu, 10 Sep - Thu, 17 Sep
Multiple Airlines Logo
22:10 - 15:30
LHR
-
KOS
35h 20m
1 stop
Multiple Airlines Logo
09:50 - 11:30
KOS
-
LHR
31h 40m
2 stops
£879Multiple Airlines
Sat, 12 Sep - Sat, 26 Sep
Multiple Airlines Logo
06:30 - 13:00
LHR
-
KOS
24h 30m
3 stops
Multiple Airlines Logo
12:15 - 07:30
KOS
-
LHR
25h 15m
2 stops
£883Multiple Airlines
Thu, 10 Sep - Thu, 17 Sep
Multiple Airlines Logo
06:30 - 13:00
LHR
-
KOS
24h 30m
3 stops
Multiple Airlines Logo
12:15 - 07:30
KOS
-
LHR
25h 15m
2 stops
£887Multiple Airlines
Thu, 10 Sep - Thu, 17 Sep
Multiple Airlines Logo
06:30 - 13:00
LHR
-
KOS
24h 30m
3 stops
Multiple Airlines Logo
12:15 - 06:25
KOS
-
LHR
24h 10m
2 stops
£895Multiple Airlines
Thu, 10 Sep - Thu, 17 Sep

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Vietnam Airlines flights from London Heathrow Airport to Krong Preah Sihanouk

Our best Vietnam Airlines deals on London Heathrow Airport to Krong Preah Sihanouk flight tickets
Vietnam Airlines
8 Sept
LHR06:15London Heathrow
21h 00m
2 stops
KOS09:15Krong Preah Sihanouk Sihanoukville
15 Sept
KOS07:15Krong Preah Sihanouk Sihanoukville
16h 35m
1 stop
LHR17:50London Heathrow
£927
Vietnam Airlines
26 Aug
LHR06:15London Heathrow
31h 25m
2 stops
KOS19:40Krong Preah Sihanouk Sihanoukville
2 Sept
KOS09:50Krong Preah Sihanouk Sihanoukville
37h 05m
1 stop
LHR16:55London Heathrow
£1,082

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 30 July 2026.
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

Cheapest return flight

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Fri 11/9

06:00-11:45

3 stops23h 45m

Krong Preah Sihanouk Sihanoukville

Fri 25/9

13:30-14:25

2 stops30h 55m

£839

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Sat 12/9

20:40-19:40

2 stops41h 00m

Krong Preah Sihanouk Sihanoukville

Sat 19/9

09:50-07:30

2 stops27h 40m

£849

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Fri 11/9

06:00-11:45

3 stops23h 45m

Krong Preah Sihanouk Sihanoukville

Fri 25/9

13:30-14:25

2 stops30h 55m

£854

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Tue 8/9

19:25-19:40

2 stops42h 15m

Krong Preah Sihanouk Sihanoukville

Tue 15/9

07:15-14:05

2 stops36h 50m

£859

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Tue 8/9

20:40-19:40

2 stops41h 00m

Krong Preah Sihanouk Sihanoukville

Tue 15/9

07:15-13:15

2 stops36h 00m

£859

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Thu 10/9

06:30-13:00

3 stops24h 30m

Krong Preah Sihanouk Sihanoukville

Thu 17/9

12:15-16:10

2 stops33h 55m

£877

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Sat 12/9

22:10-15:30

1 stop35h 20m

Krong Preah Sihanouk Sihanoukville

Sat 26/9

09:50-11:30

2 stops31h 40m

£879

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Thu 10/9

06:30-13:00

3 stops24h 30m

Krong Preah Sihanouk Sihanoukville

Thu 17/9

12:15-07:30

2 stops25h 15m

£883

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Thu 10/9

06:30-13:00

3 stops24h 30m

Krong Preah Sihanouk Sihanoukville

Thu 17/9

12:15-07:30

2 stops25h 15m

£887
Fastest return journey

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Thu 10/9

06:30-13:00

3 stops24h 30m

Krong Preah Sihanouk Sihanoukville

Thu 17/9

12:15-06:25

2 stops24h 10m

£895

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Krong Preah Sihanouk from

How to get the cheapest flight ticket from London Heathrow Airport to Krong Preah Sihanouk

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

Can stopping save me money on London Heathrow Airport to Krong Preah Sihanouk flights?

You could potentially save up to 45% on your flight if you consider stops on a London Heathrow Airport to Krong Preah Sihanouk flight.

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

Fastest flight time

23h 45m

Direct flights

None
The fastest flight from London Heathrow Airport to Krong Preah Sihanouk takes 23h 45m
There are no direct flights from London Heathrow Airport to Krong Preah Sihanouk. There are no popular flight routes from London Heathrow Airport to Krong Preah Sihanouk.
Search flight deals

Frequently asked questions about flying from London Heathrow Airport to Krong Preah Sihanouk

  • 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 23h 45m, 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.

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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