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Cheap flights from London Heathrow Airport to Krong Preah Sihanouk from £517

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 28/9. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags
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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
08:35 - 09:35
LHR
-
KOS
42h 00m
2 stops
Multiple Airlines Logo
10:45 - 13:20
KOS
-
LHR
33h 35m
2 stops
£865Multiple Airlines
Sat, 5 Dec - Sat, 12 Dec
Multiple Airlines Logo
08:25 - 19:40
LHR
-
KOS
29h 15m
2 stops
Multiple Airlines Logo
09:50 - 06:25
KOS
-
LHR
26h 35m
2 stops
£874Multiple Airlines
Wed, 1 Jul - Sun, 12 Jul
Multiple Airlines Logo
08:25 - 19:40
LHR
-
KOS
29h 15m
2 stops
Multiple Airlines Logo
09:50 - 06:25
KOS
-
LHR
26h 35m
2 stops
£904Multiple Airlines
Wed, 1 Jul - Sun, 12 Jul
Multiple Airlines Logo
10:25 - 13:05
LHR
-
KOS
19h 40m
1 stop
Multiple Airlines Logo
13:10 - 07:15
KOS
-
LHR
25h 05m
2 stops
£1,001Multiple Airlines
Sat, 5 Dec - Sat, 12 Dec
Multiple Airlines Logo
10:25 - 11:45
LHR
-
KOS
18h 20m
1 stop
Multiple Airlines Logo
13:10 - 07:15
KOS
-
LHR
25h 05m
2 stops
£1,004Multiple Airlines
Fri, 4 Dec - Sat, 12 Dec
Multiple Airlines Logo
11:00 - 11:15
LHR
-
KOS
18h 15m
1 stop
Multiple Airlines Logo
13:30 - 05:55
KOS
-
LHR
22h 25m
1 stop
£1,024Multiple Airlines
Wed, 1 Jul - Sun, 12 Jul
Multiple Airlines Logo
10:25 - 11:45
LHR
-
KOS
18h 20m
1 stop
Multiple Airlines Logo
13:35 - 15:25
KOS
-
LHR
32h 50m
1 stop
£1,044Multiple Airlines
Fri, 4 Dec - Fri, 11 Dec
Multiple Airlines Logo
11:00 - 11:15
LHR
-
KOS
18h 15m
1 stop
Multiple Airlines Logo
13:30 - 05:55
KOS
-
LHR
22h 25m
1 stop
£1,048Multiple Airlines
Wed, 1 Jul - Sun, 12 Jul
Multiple Airlines Logo
10:25 - 11:45
LHR
-
KOS
18h 20m
1 stop
Multiple Airlines Logo
12:15 - 15:25
KOS
-
LHR
34h 10m
1 stop
£1,049Multiple Airlines
Fri, 4 Dec - Sat, 12 Dec
Multiple Airlines Logo
11:00 - 11:15
LHR
-
KOS
18h 15m
1 stop
Multiple Airlines Logo
13:30 - 06:25
KOS
-
LHR
22h 55m
2 stops
£1,052Multiple Airlines
Wed, 1 Jul - Sun, 12 Jul

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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
19 Jul
LHR19:50London Heathrow
55h 25m
2 stops
KOS09:15Krong Preah Sihanouk Sihanoukville
25 Jul
KOS09:50Krong Preah Sihanouk Sihanoukville
38h 00m
2 stops
LHR17:50London Heathrow
£5,007
Vietnam Airlines
17 Jul
LHR10:40London Heathrow
40h 35m
2 stops
KOS09:15Krong Preah Sihanouk Sihanoukville
25 Jul
KOS09:50Krong Preah Sihanouk Sihanoukville
38h 00m
2 stops
LHR17:50London Heathrow
£6,665
Vietnam Airlines
17 Jul
LHR20:05London Heathrow
31h 10m
2 stops
KOS09:15Krong Preah Sihanouk Sihanoukville
24 Jul
KOS07:15Krong Preah Sihanouk Sihanoukville
36h 30m
2 stops
LHR13:45London Heathrow
£6,850

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 15 June 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

Sat 5/12

08:35-09:35

2 stops42h 00m

Krong Preah Sihanouk Sihanoukville

Sat 12/12

10:45-13:20

2 stops33h 35m

£865

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Wed 1/7

08:25-19:40

2 stops29h 15m

Krong Preah Sihanouk Sihanoukville

Sun 12/7

09:50-06:25

2 stops26h 35m

£874

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Wed 1/7

08:25-19:40

2 stops29h 15m

Krong Preah Sihanouk Sihanoukville

Sun 12/7

09:50-06:25

2 stops26h 35m

£904

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Sat 5/12

10:25-13:05

1 stop19h 40m

Krong Preah Sihanouk Sihanoukville

Sat 12/12

13:10-07:15

2 stops25h 05m

£1,001

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Fri 4/12

10:25-11:45

1 stop18h 20m

Krong Preah Sihanouk Sihanoukville

Sat 12/12

13:10-07:15

2 stops25h 05m

£1,004
Fastest return journey

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Wed 1/7

11:00-11:15

1 stop18h 15m

Krong Preah Sihanouk Sihanoukville

Sun 12/7

13:30-05:55

1 stop22h 25m

£1,024

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Fri 4/12

10:25-11:45

1 stop18h 20m

Krong Preah Sihanouk Sihanoukville

Fri 11/12

13:35-15:25

1 stop32h 50m

£1,044

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Wed 1/7

11:00-11:15

1 stop18h 15m

Krong Preah Sihanouk Sihanoukville

Sun 12/7

13:30-05:55

1 stop22h 25m

£1,048

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Fri 4/12

10:25-11:45

1 stop18h 20m

Krong Preah Sihanouk Sihanoukville

Sat 12/12

12:15-15:25

1 stop34h 10m

£1,049

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Wed 1/7

11:00-11:15

1 stop18h 15m

Krong Preah Sihanouk Sihanoukville

Sun 12/7

13:30-06:25

2 stops22h 55m

£1,052

Flights are sorted by cheapest return flights first.

Showing 1-10 of 16 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

17h 55m

Direct flights

None
The fastest flight from London Heathrow Airport to Krong Preah Sihanouk takes 17h 55m
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 17h 55m, 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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