Find flights
When to book
FAQs

Cheap flights from London to Krong Preah Sihanouk from £385

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 21/1. Fares are subject to change and may not be available on all flights or dates of travel.
LON — KOS
7 Jan — 14 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from London to Krong Preah Sihanouk

Enter your travel dates to find the best prices.

Best flights from London to Krong Preah Sihanouk
Discover carefully curated flight deals from London to Krong Preah Sihanouk that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 8 December 2025.

Tue 20/111:00LHR - KOS
1 stop15h 35mVietnam Airlines
Tue 27/107:00KOS - LHR
2 stops31h 15mVietnam Airlines
Deal found 6/12£711
Tue 20/108:25LHR - KOS
2 stops21h 40mMultiple Airlines
Tue 27/112:15KOS - LHR
2 stops24h 40mMultiple Airlines
Deal found 6/12£724
Tue 20/108:40LGW - KOS
2 stops21h 25mMultiple Airlines
Tue 27/112:15KOS - LGW
2 stops24h 40mMultiple Airlines
Deal found 6/12£751
Thu 22/112:20LHR - KOS
2 stops38h 15mVietnam Airlines
Mon 26/116:30KOS - LHR
1 stop21h 45mVietnam Airlines
Deal found 6/12£1,200
Thu 2/416:00LHR - KOS
2 stops35h 15mMultiple Airlines
Sat 11/409:50KOS - LHR
2 stops42h 10mMultiple Airlines
Deal found 6/12£1,146
Thu 2/411:35LGW - KOS
2 stops39h 40mMultiple Airlines
Sat 11/409:50KOS - LGW
2 stops36h 10mMultiple Airlines
Deal found 6/12£1,243
Sat 7/206:15LGW - KOS
2 stops20h 20mMultiple Airlines
Sun 15/210:45KOS - LGW
2 stops36h 25mMultiple Airlines
Deal found 6/12£3,729

Find 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 8 December 2025.

Round-trip from

£711

One-way from

£385
Vietnam Airlines
  • Vietnam Airlines
  • 20/1-27/1
  • 3 total stops
  • 46h 50m total
  • London to Krong Preah Sihanouk
Search Deals
21/1
  • 21/1
  • 2 total stops
  • 38h 10m total
  • London to Krong Preah Sihanouk
Search Deals

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 8 December 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 20/1

11:00-09:35

1 stop15h 35m

Krong Preah Sihanouk Sihanoukville

Tue 27/1

07:00-07:15

2 stops31h 15m

£711

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Tue 20/1

08:25-13:05

2 stops21h 40m

Krong Preah Sihanouk Sihanoukville

Tue 27/1

12:15-05:55

2 stops24h 40m

£724

LondonKrong Preah Sihanouk

LGW - KOS

LGWKOS

London Gatwick

Tue 20/1

08:40-13:05

2 stops21h 25m

Krong Preah Sihanouk Sihanoukville

Tue 27/1

12:15-05:55

2 stops24h 40m

£751

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Thu 2/4

16:00-09:15

2 stops35h 15m

Krong Preah Sihanouk Sihanoukville

Sat 11/4

09:50-22:00

2 stops42h 10m

£1,146

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Thu 22/1

12:20-09:35

2 stops38h 15m

Krong Preah Sihanouk Sihanoukville

Mon 26/1

16:30-07:15

1 stop21h 45m

£1,200

LondonKrong Preah Sihanouk

LGW - KOS

LGWKOS

London Gatwick

Thu 2/4

11:35-09:15

2 stops39h 40m

Krong Preah Sihanouk Sihanoukville

Sat 11/4

09:50-16:00

2 stops36h 10m

£1,243

LondonKrong Preah Sihanouk

LGW - KOS

LGWKOS

London Gatwick

Sat 7/2

06:15-09:35

2 stops20h 20m

Krong Preah Sihanouk Sihanoukville

Sun 15/2

10:45-16:10

2 stops36h 25m

£3,729

LondonKrong Preah Sihanouk

LGW - KOS

LGWKOS

London Gatwick

Wed 21/1

15:55-13:05

2 stops38h 10m

£385

LondonKrong Preah Sihanouk

LHR - KOS

LHRKOS

London Heathrow

Wed 21/1

21:10-13:05

2 stops32h 55m

£425

Flights are sorted by cheapest return flights first.

Deals found on 7/12

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 £711, Vietnam Airlines can have you in Krong Preah Sihanouk from London in 15h 35m. 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

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Fly with Cheapflights

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 London to Krong Preah Sihanouk?

Cheapflights helps you search for flights from London 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 London to Krong Preah Sihanouk?

Cheapflights taps into our reliable network of hundreds of airlines and travel agencies to find the best deals for flights from London to Krong Preah Sihanouk for you. Better yet — we are completely free to use.

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?

Not ready to book yet? You can track prices for flights from London to Krong Preah Sihanouk on Cheapflights with our Price Alert feature and get notified when better prices are available.

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.