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Cheap flights from London to Krong Preah Sihanouk from £791

This is the cheapest retur flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 11/11. Fares are subject to change and may not be available on all flights or dates of travel.
LON — KOS
16 Nov — 23 Nov1
1 adult
1 adult, Economy

Find flight deals from London to Krong Preah Sihanouk

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Cheapest flights from London to Krong Preah Sihanouk
Explore the most affordable flight options available from London to Krong Preah Sihanouk. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 17 October 2025.

Tue 11/1106:20LHR - KOS
2 stops20h 15mVietnam Airlines
Thu 20/1110:45KOS - LHR
2 stops27h 30mVietnam Airlines
Deal found 15/10£791
Tue 11/1120:10LHR - KOS
2 stops40h 20mMultiple Airlines
Thu 20/1112:15KOS - LHR
3 stops36h 20mMultiple Airlines
Deal found 15/10£798
Sat 15/1106:25LGW - KOS
2 stops23h 40mMultiple Airlines
Fri 28/1113:35KOS - LGW
2 stops24h 05mMultiple Airlines
Deal found 16/10£876
Sat 15/1122:00LHR - KOS
2 stops32h 05mMultiple Airlines
Fri 28/1113:35KOS - LHR
1 stop32h 50mMultiple Airlines
Deal found 16/10£894
Tue 11/1120:25LGW - KOS
2 stops40h 05mMultiple Airlines
Thu 20/1113:10KOS - LGW
3 stops36h 15mMultiple Airlines
Deal found 15/10£908

Cheap flight deals from London to Krong Preah Sihanouk

Discover tips and strategies to find the most affordable flight options for your journey from London (LON) 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 17 October 2025.

Round-trip from

£704
1/12-8/12
  • 1/12-8/12
  • 4 total stops
  • 68h 25m total
  • London to Krong Preah Sihanouk
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Cheapflights Fare Finder

 
Customise your flight search to find flights from London 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 858,174 searches. Data last updated 17 October 2025.
Use the filters below to find and compare flights from London to Krong Preah Sihanouk that are best for you.

Fly from

London

Fly to

Krong Preah Sihanouk

Route

Depart

Return

Price

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Tue 11/11

06:20-09:35

2 stops20h 15m

Krong Preah Sihanouk Sihanoukville

Thu 20/11

10:45-07:15

2 stops27h 30m

£791

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Tue 11/11

20:10-19:30

2 stops40h 20m

Krong Preah Sihanouk Sihanoukville

Thu 20/11

12:15-17:35

3 stops36h 20m

£798

LondonKrong Preah Sihanouk

LGW - KOS

LGWKOS

London Gatwick

Sat 7/3

06:00-13:05

3 stops24h 05m

Krong Preah Sihanouk Sihanoukville

Fri 20/3

17:40-14:00

3 stops27h 20m

£811

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Sat 7/3

06:00-13:05

3 stops24h 05m

Krong Preah Sihanouk Sihanoukville

Fri 20/3

17:40-18:35

3 stops31h 55m

£861

LondonKrong Preah Sihanouk

LGW - KOS

LGWKOS

London Gatwick

Sat 15/11

06:25-13:05

2 stops23h 40m

Krong Preah Sihanouk Sihanoukville

Fri 28/11

13:35-06:40

2 stops24h 05m

£876

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Sat 15/11

22:00-13:05

2 stops32h 05m

Krong Preah Sihanouk Sihanoukville

Fri 28/11

13:35-15:25

1 stop32h 50m

£894

LondonKrong Preah Sihanouk

LGW - KOS

LGWKOS

London Gatwick

Tue 11/11

20:25-19:30

2 stops40h 05m

Krong Preah Sihanouk Sihanoukville

Thu 20/11

13:10-18:25

3 stops36h 15m

£908

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Wed 11/3

06:20-09:35

2 stops20h 15m

Krong Preah Sihanouk Sihanoukville

Sun 15/3

10:45-07:15

2 stops27h 30m

£948

Flights are sorted by cheapest return flights first.

Deals found on 15/10

Best time to book a flight from London to Krong Preah Sihanouk

Have a flexible travel schedule? Discover the best time to fly to Krong Preah Sihanouk from London with our price prediction graph.
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.

Cheapflights Insights

Everything you need to know about your flight from London to Krong Preah Sihanouk
No data available for this route at this time. Please check back soon.

Related info for your journey

Find useful and relevant information for your journey from London 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?

    Most people fly into Krong Preah Sihanouk Sihanoukville (KOS) if they book a flight to Krong Preah Sihanouk from London. On average, Sihanoukville has 0 inbound flights from London per day from 0 airlines. Krong Preah Sihanouk Sihanoukville is conveniently located just 7.8 mi from Krong Preah Sihanouk’s city center.

  • How long is the flight from London to Krong Preah Sihanouk?

    For as low as £791, Vietnam Airlines can have you in Krong Preah Sihanouk from London in 20h 15m. There are 6236 mi between London and Krong Preah Sihanouk.

  • Can I find deals for flights from London to Krong Preah Sihanouk that include hotel bookings?

    Yes. In addition to deals on London to Krong Preah Sihanouk flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from London 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 London to Krong Preah Sihanouk.

  • Can I find deals for business class flights from London to Krong Preah Sihanouk?

    Yes. Cheapflights offers flight deals from London 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.

See more FAQs

Travelling to a place near Krong Preah Sihanouk?

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

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Why should you use Cheapflights to find cheap flight tickets from London to Krong Preah Sihanouk?

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Can Cheapflights find flights from London to Krong Preah Sihanouk with no change fees?

Yes, we can. To see specific flights from London 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 London to Krong Preah Sihanouk become cheaper?

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