Cheap flights from London Heathrow Airport to Krong Preah Sihanouk from £440
This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
LHR — KOS
30 Nov — 7 Dec1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
Cheap flight deals from Heathrow to Krong Preah Sihanouk
Enter your travel dates to find the best prices.
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Cheapest flights from Heathrow to Krong Preah Sihanouk
Explore the most affordable flight options available from Heathrow to Krong Preah Sihanouk. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 31 October 2026.
Tue 1/1212:30 -
2 stops38h 05m
Mon 14/1213:50 -
2 stops34h 40m
Deal found 30/10£743
Sun 15/1121:00 -
2 stops29h 35m
Thu 26/1113:50 -
2 stops34h 40m
Deal found 29/10£752
Mon 16/1121:00 -
2 stops29h 35m
Thu 26/1113:50 -
2 stops34h 40m
Deal found 29/10£802
Thu 26/1106:00 -
3 stops24h 00m
Thu 3/1212:15 -
2 stops24h 40m
Deal found 29/10£824
Thu 19/1121:00 -
2 stops29h 35m
Tue 8/1213:50 -
2 stops34h 40m
Deal found 30/10£876
Best flights from Heathrow to Krong Preah Sihanouk
Discover carefully curated flight deals from Heathrow to Krong Preah Sihanouk that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 31 October 2026.
Tue 1/1211:00 -
1 stop15h 35m
Mon 14/1213:50 -
2 stops37h 40m
Deal found 30/10£929
Thu 19/1111:00 -
1 stop15h 35m
Tue 8/1210:15 -
2 stops28h 00m
Deal found 30/10£970
Sun 13/1206:00 -
3 stops24h 00m
Sun 20/1213:30 -
2 stops35h 45m
Deal found 29/10£1,043
Thu 10/1207:45 -
2 stops18h 50m
Thu 17/1211:05 -
2 stops27h 10m
Deal found 27/10£1,120
Last-minute flights from Heathrow to Krong Preah Sihanouk
Discover last-minute flight deals from Heathrow to Krong Preah Sihanouk. Data last updated 31 October 2026 and is based on user searches.
Sun 15/1121:00 -
2 stops29h 35m
Thu 26/1113:50 -
2 stops34h 40m
Deal found 29/10£752
Mon 16/1121:00 -
2 stops29h 35m
Thu 26/1113:50 -
2 stops34h 40m
Deal found 29/10£802
Thu 19/1121:00 -
2 stops29h 35m
Tue 8/1213:50 -
2 stops34h 40m
Deal found 30/10£876
Thu 26/1106:00 -
3 stops24h 00m
Thu 3/1212:15 -
2 stops24h 40m
Deal found 29/10£824
One-way flights from Heathrow to Krong Preah Sihanouk
Search for one-way flight options from Heathrow to Krong Preah Sihanouk. Find affordable one-way fares based on user searches. Data last updated 31 October 2026.
Wed 9/1206:00 -
3 stops22h 45m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 28/10£440
Sun 27/1221:50 -
2 stops40h 20m
Wed 31/1200:00 -
Nonstop0h 00m
Deal found 29/10£515
Find flight deals from Heathrow to Krong Preah Sihanouk
Discover tips and strategies to find the most affordable flight options for your journey from Heathrow (LHR) to Krong Preah Sihanouk (KOS). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 31 October 2026.
Customise your flight search to find flights from Heathrow 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, Cheapflights users made 7,457,451 searches. Data last updated 31 October 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
Fastest return journey
LondonKrong Preah Sihanouk
LHR London Heathrow - KOS Krong Preah Sihanouk Sihanoukville
LHRKOS
London Heathrow
Wed 9/12
06:00-11:45
3 stops22h 45m
Krong Preah Sihanouk Sihanoukville
Wed 31/12
00:00-18:00
Nonstop0h 00m
£440
LondonKrong Preah Sihanouk
LHR London Heathrow - KOS Krong Preah Sihanouk Sihanoukville
LHRKOS
London Heathrow
Sun 27/12
21:50-21:10
2 stops40h 20m
Krong Preah Sihanouk Sihanoukville
Wed 31/12
00:00-18:00
Nonstop0h 00m
£515
LondonKrong Preah Sihanouk
LHR London Heathrow - KOS Krong Preah Sihanouk Sihanoukville
LHRKOS
London Heathrow
Tue 1/12
11:00-09:35
1 stop15h 35m
Krong Preah Sihanouk Sihanoukville
Mon 14/12
13:50-20:30
2 stops37h 40m
£929
LondonKrong Preah Sihanouk
LHR London Heathrow - KOS Krong Preah Sihanouk Sihanoukville
LHRKOS
London Heathrow
Thu 19/11
11:00-09:35
1 stop15h 35m
Krong Preah Sihanouk Sihanoukville
Tue 8/12
10:15-07:15
2 stops28h 00m
£970
LondonKrong Preah Sihanouk
LHR London Heathrow - KOS Krong Preah Sihanouk Sihanoukville
LHRKOS
London Heathrow
Sun 13/12
06:00-13:00
3 stops24h 00m
Krong Preah Sihanouk Sihanoukville
Sun 20/12
13:30-18:15
2 stops35h 45m
£1,043
LondonKrong Preah Sihanouk
LHR London Heathrow - KOS Krong Preah Sihanouk Sihanoukville
LHRKOS
London Heathrow
Thu 10/12
07:45-09:35
2 stops18h 50m
Krong Preah Sihanouk Sihanoukville
Thu 17/12
11:05-07:15
2 stops27h 10m
£1,120
Flights are sorted by cheapest return flights first.
Deals found on 28/10
Sorted by cheapest first
Best time to book a flight from Heathrow to Krong Preah Sihanouk
Have a flexible travel schedule? Discover the best time to fly to Krong Preah Sihanouk from Heathrow with our price prediction graph.
LHR-KOS
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Related info for your journey
Find useful and relevant information for your journey from Heathrow to Krong Preah Sihanouk. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
What airport do you fly into for flights to Krong Preah Sihanouk from London Heathrow?
Located just 7.8 mi from the city center, Krong Preah Sihanouk Sihanoukville is the airport most travelers will use when flying to Krong Preah Sihanouk from London Heathrow. Booking flights from London Heathrow to Sihanoukville (KOS) should be relatively easy as there are 0 daily inbound flights from London Heathrow from 0 different airlines.
Can I find deals for flights from Heathrow to Krong Preah Sihanouk that include hotel bookings?
Yes. In addition to deals on Heathrow to Krong Preah Sihanouk flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Heathrow to Krong Preah Sihanouk?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Heathrow to Krong Preah Sihanouk.
Can I find deals for business class flights from Heathrow to Krong Preah Sihanouk?
Yes. Cheapflights offers flight deals from Heathrow to Krong Preah Sihanouk by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.
Explore flights to Krong Preah Sihanouk departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 31 October 2026.
Browse through other flights departing from Heathrow. Flights are based on user searches made on Cheapflights and were last updated on 31 October 2026.
Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.
How does Cheapflights help users find flights from Heathrow to Krong Preah Sihanouk?
Cheapflights helps you search for flights from Heathrow to Krong Preah Sihanouk via 900+ travel sites so you don’t have to. After performing a flight search, users can also filter their flight selection by filtering for price, number of stops, airlines, and so on.
Why should you use Cheapflights to find cheap flight tickets from Heathrow to Krong Preah Sihanouk?
Cheapflights simply makes it quick and affordable to book flights from Heathrow to Krong Preah Sihanouk by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.
Can Cheapflights find flights from Heathrow to Krong Preah Sihanouk with no change fees?
Yes, we can. To see specific flights from Heathrow to Krong Preah Sihanouk with no change fees, users can toggle flexible booking options after using the search form above to find flights.
Can Cheapflights notify me if prices for flights from Heathrow to Krong Preah Sihanouk become cheaper?
Yes, Cheapflights offers price alerts on Heathrow to Krong Preah Sihanouk flights so you can book your travel at the perfect time. Price Alerts can be enabled by clicking the bell icon next to the flight deals above and providing your email address where you want to receive the alerts.
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