Cheap flights from London to Krong Preah Sihanouk from £300

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 5/10. Fares are subject to change and may not be available on all flights or dates of travel.
LON — KOS
3 Sep — 10 Sep1
1 adult

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 29 August 2025.

Round-trip from

£669

One-way from

£300
11/10-18/10
  • 11/10-18/10
  • 4 total stops
  • 70h 35m total
  • London to Krong Preah Sihanouk
5/10
  • 5/10
  • 3 total stops
  • 57h 00m total
  • London to Krong Preah Sihanouk

Find flight deals from London to Krong Preah Sihanouk

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 29 August 2025.

Sat 11/1015:00LGW - KOS
2 stops39h 50mMultiple Airlines
Sat 18/1012:15KOS - LGW
2 stops30h 45mMultiple Airlines
Deal found 27/8£669
Tue 7/1014:40LHR - KOS
2 stops39h 05mMultiple Airlines
Tue 14/1012:15KOS - LHR
2 stops30h 25mMultiple Airlines
Deal found 27/8£680
Sat 11/1022:10LHR - KOS
2 stops32h 40mMultiple Airlines
Sat 18/1012:15KOS - LHR
2 stops30h 25mMultiple Airlines
Deal found 27/8£685
Tue 7/1019:50LHR - KOS
1 stop31h 25mVietnam Airlines
Tue 14/1010:15KOS - LHR
2 stops36h 40mVietnam Airlines
Deal found 27/8£694
Tue 7/1017:15LGW - KOS
2 stops36h 30mMultiple Airlines
Tue 14/1012:15KOS - LGW
2 stops40h 05mMultiple Airlines
Deal found 27/8£710
Sun 12/1014:55LGW - KOS
2 stops38h 50mMultiple Airlines
Sun 19/1013:20KOS - LGW
2 stops23h 20mMultiple Airlines
Deal found 28/8£744
Sun 12/1009:30LHR - KOS
2 stops21h 20mMultiple Airlines
Sun 19/1014:30KOS - LHR
3 stops34h 40mMultiple Airlines
Deal found 28/8£785
Fri 19/1213:35LGW - KOS
2 stops37h 00mMultiple Airlines
Thu 1/110:45KOS - LGW
2 stops26h 55mMultiple Airlines
Deal found 27/8£1,773

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 29 August 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

LGW - KOS

LGWKOS

London Gatwick

Sat 11/10

15:00-12:50

2 stops39h 50m

Krong Preah Sihanouk Sihanoukville

Sat 18/10

12:15-13:00

2 stops30h 45m

£669

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Sat 11/10

22:10-12:50

2 stops32h 40m

Krong Preah Sihanouk Sihanoukville

Sat 18/10

12:15-12:40

2 stops30h 25m

£680

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Tue 7/10

14:40-11:45

2 stops39h 05m

Krong Preah Sihanouk Sihanoukville

Tue 14/10

12:15-12:40

2 stops30h 25m

£680

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Tue 7/10

19:50-09:15

1 stop31h 25m

Krong Preah Sihanouk Sihanoukville

Tue 14/10

10:15-16:55

2 stops36h 40m

£694

LondonKrong Preah Sihanouk

LGW - KOS

LGWKOS

London Gatwick

Tue 7/10

17:15-11:45

2 stops36h 30m

Krong Preah Sihanouk Sihanoukville

Tue 14/10

12:15-22:20

2 stops40h 05m

£710

LondonKrong Preah Sihanouk

LGW - KOS

LGWKOS

London Gatwick

Sun 18/1

10:30-09:35

2 stops40h 05m

Krong Preah Sihanouk Sihanoukville

Fri 30/1

10:45-14:00

2 stops34h 15m

£716

LondonKrong Preah Sihanouk

LGW - KOS

LGWKOS

London Gatwick

Sun 12/10

14:55-11:45

2 stops38h 50m

Krong Preah Sihanouk Sihanoukville

Sun 19/10

13:20-06:40

2 stops23h 20m

£744

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Sun 12/10

09:30-12:50

2 stops21h 20m

Krong Preah Sihanouk Sihanoukville

Sun 19/10

14:30-19:10

3 stops34h 40m

£785

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Sun 18/1

21:00-09:35

2 stops29h 35m

Krong Preah Sihanouk Sihanoukville

Fri 30/1

10:45-17:30

2 stops37h 45m

£802

LondonKrong Preah Sihanouk

LGW - KOS

LGWKOS

London Gatwick

Mon 5/1

09:00-09:35

2 stops17h 35m

Krong Preah Sihanouk Sihanoukville

Mon 19/1

10:45-12:35

2 stops32h 50m

£888

Flights are sorted by cheapest return flights first.

Deals found on 28/8

Showing 1-10 of 13 results
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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 £694, Vietnam Airlines can have you in Krong Preah Sihanouk from London in 31h 25m. 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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