Cheap Flights from London to Sihanoukville

Compare London to Sihanoukville flight deals

Find the cheapest month or even day of the year to fly to Sihanoukville

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Flight deals from London to Sihanoukville

Looking for a cheap last-minute deal or the best round-trip flight from London to Sihanoukville? Find the lowest prices on one-way and round-trip tickets right here.

Sihanoukville.$885 per passenger.Departing Fri, Jun 6, returning Mon, Jun 16.Round-trip flight with Hainan Airlines and AirAsia.Outbound indirect flight with Hainan Airlines, departing from London Heathrow on Fri, Jun 6, arriving in Sihanoukville.Inbound indirect flight with AirAsia, departing from Sihanoukville on Mon, Jun 16, arriving in London Heathrow.Price includes taxes and charges.From $885, select.

Sihanoukville.$920 per passenger.Departing Tue, Oct 28, returning Sun, Nov 9.Round-trip flight with Ryanair and Thai AirAsia.Outbound indirect flight with Ryanair, departing from London Stansted on Tue, Oct 28, arriving in Sihanoukville.Inbound indirect flight with Thai AirAsia, departing from Sihanoukville on Sun, Nov 9, arriving in London Gatwick.Price includes taxes and charges.From $920, select.

Sihanoukville.$929 per passenger.Departing Thu, Nov 6, returning Mon, Nov 17.Round-trip flight with Wizz Air UK and AirAsia.Outbound indirect flight with Wizz Air UK, departing from London Gatwick on Thu, Nov 6, arriving in Sihanoukville.Inbound indirect flight with AirAsia, departing from Sihanoukville on Mon, Nov 17, arriving in London Gatwick.Price includes taxes and charges.From $929, select.

Sihanoukville.$961 per passenger.Departing Wed, Jul 9, returning Wed, Jul 16.Round-trip flight with Turkmenistan Airlines and AirAsia.Outbound indirect flight with Turkmenistan Airlines, departing from London Gatwick on Wed, Jul 9, arriving in Sihanoukville.Inbound indirect flight with AirAsia, departing from Sihanoukville on Wed, Jul 16, arriving in London Gatwick.Price includes taxes and charges.From $961, select.

Sihanoukville.$975 per passenger.Departing Fri, May 30, returning Fri, Jun 6.Round-trip flight with Shenzhen Airlines and AirAsia.Outbound indirect flight with Shenzhen Airlines, departing from London Heathrow on Fri, May 30, arriving in Sihanoukville.Inbound indirect flight with AirAsia, departing from Sihanoukville on Fri, Jun 6, arriving in London Heathrow.Price includes taxes and charges.From $975, select.

Sihanoukville.$1,006 per passenger.Departing Sun, Jun 22, returning Mon, Jul 21.Round-trip flight with Air India and AirAsia.Outbound indirect flight with Air India, departing from London Heathrow on Sun, Jun 22, arriving in Sihanoukville.Inbound indirect flight with AirAsia, departing from Sihanoukville on Mon, Jul 21, arriving in London Gatwick.Price includes taxes and charges.From $1,006, select.

Sihanoukville.$1,015 per passenger.Departing Thu, Oct 9, returning Mon, Oct 20.Round-trip flight with Air India and Thai AirAsia.Outbound indirect flight with Air India, departing from London Heathrow on Thu, Oct 9, arriving in Sihanoukville.Inbound indirect flight with Thai AirAsia, departing from Sihanoukville on Mon, Oct 20, arriving in London Heathrow.Price includes taxes and charges.From $1,015, select.

Sihanoukville.$1,028 per passenger.Departing Fri, Sep 19, returning Fri, Sep 26.Round-trip flight with Air India and AirAsia.Outbound indirect flight with Air India, departing from London Heathrow on Fri, Sep 19, arriving in Sihanoukville.Inbound indirect flight with AirAsia, departing from Sihanoukville on Fri, Sep 26, arriving in London Gatwick.Price includes taxes and charges.From $1,028, select.

Find the cheapest month to fly from London to Sihanoukville

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like London to Sihanoukville flights are currently cheapest in June.

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London to Sihanoukville: Alternative routes

Compare routes from London to Sihanoukville below. You may find an airport to fly into that's cheaper, faster, or easier than Sihanoukville.

London to Sihanoukville: Flight information

The things to know before you go.

Cheapest flight found	$885
Cheapest month to fly	June

Finding cheap flights from London to Sihanoukville: Frequently asked questions

How much are round-trip flights from London to Sihanoukville?

The best price we found for a round-trip flight from London to Sihanoukville is $885. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.

Which airlines fly direct from London to Sihanoukville?

Currently, there are no airlines that fly direct from London to Sihanoukville. But we found flights with one stop from $885.

How many flights are there a week from London to Sihanoukville?

There are no flights flying from London to Sihanoukville, as of May 2025.

When is the cheapest time to fly from London to Sihanoukville?

The cheapest month to fly from London to Sihanoukville is usually May 2025.

Which upcoming date is cheapest to fly from London to Sihanoukville Airport on?

After crunching the numbers on our flight calendar, we found that it is currently cheapest to fly from London to Sihanoukville Airport on Friday, June 6, 2025.

Can I get a direct flight from London to Sihanoukville Airport?

No airlines currently offer direct flights between London and Sihanoukville Airport. Most routes have one or more stops.

How can I find the best flight deal to Sihanoukville?

We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Sihanoukville but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

When is the best time to book flights to Sihanoukville?

We crunched all the numbers in our flight calendar, and it looks like the cheapest time to book a flight to Sihanoukville is around 40 days in advance, so don’t leave your flight to the last minute.

Which is the cheapest airline to fly with from London to Sihanoukville?

The cheapest airline that flies to Sihanoukville is Hainan Airlines.

Flying from London to Sihanouk International Airport (KOS): what you need to know

London has many airports where you can start your vacation. Explore your departure options from London Heathrow Airport (LHR) and London Gatwick Airport (LGW) when organizing your flight from London to Sihanouk International Airport (KOS). Stansted Airport (STN), London Luton Airport (LTN) and London City Airport (LCY) are the other main bases in the city.
The timezone in Sihanoukville is UTC+7, which is 7 hours ahead of London. Sihanouk International Airport is located in Sihanoukville.
Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for hassle-free flying. Be at the airport with enough time to board your flight from London to KOS.
Traveling during a peak month such as July? Major public holidays and other popular seasons can lead to longer queues at security. Play it safe and arrive up to four hours before an international flight and two hours before domestic departures.

Airports in London

London Heathrow Airport (LHR)

Finding a stopover on your flight from London to KOS is a breeze. Whether you want to potentially save on your fare or discover a new city, just deselect 'Direct flights only' to check out your options. A popular stop when taking off from London Heathrow Airport (LHR) is Kuala Lumpur International Airport (KUL).
The distance from central London to LHR is approximately 31 kilometers. Use travel apps like Google Maps for the fastest route, whether you're driving or taking public transport.
Looking for a handy hotel close to London Heathrow Airport? If you're catching an early flight from London to Sihanouk International Airport, these accommodation options will have you moments from your check-in counter:

London Gatwick Airport (LGW)

Give yourself a moment to recharge during your flight from London to Sihanouk International Airport with a stopover. Kuala Lumpur International Airport (KUL) is a popular option between London Gatwick Airport and KOS.
Using public transport, you can travel from central London to LGW in about 1 hour and 26 minutes. The terminal is roughly 80 kilometers away, and making the journey by car will take approximately 1 hour and 19 minutes.
You're off on vacation, so why not book another night away? Think about kicking back in one of these hotels near London Gatwick Airport the day before your flight from London to KOS:

About Sihanouk International Airport (KOS)

After your flight from London to Sihanouk International Airport has touched down, relax at a hotel close by. Sihanouk City View Condominium is a comfy option that's an easy drive from KOS.

Getting from Sihanouk International Airport (KOS) to central Sihanoukville

From Sihanouk International Airport, Sihanoukville is approximately 24 kilometers away. It takes around 45 minutes to reach the center driving.

How to find the cheapest flights from London to Sihanouk International Airport (KOS)

For a one-way ticket from London to Sihanouk International Airport, $396 is the cheapest price. You can also book a return trip from just $885. These are the lowest fares right now and may differ depending on availability.
To get your hands on cheap tickets from London to KOS, book as early as possible. Airlines usually offer lower prices when flights are first made available.
The 'Whole month' search tool shows you the cheapest tickets from London to Sihanouk International Airport across every month. It's an easy way to snap up a bargain if your dates are flexible.
Snapping up a cheap ticket from London to KOS is easy with Price Alerts. Simply create one of these automatic alerts and we'll let you know as soon as there's a better deal.
Use the filters to tailor your flights from London to Sihanouk International Airport. Pick your preferred arrival and departure times, airlines and number of stops. You can also sort your results by 'Cheapest' to see the best deals.

The best time to fly from London to Sihanouk International Airport (KOS)

April is the quietest time to fly to Sihanoukville. Alternatively, follow the crowds and take off in August. This is the busiest month for flights from London to Sihanouk International Airport, but the best time to go is your call.
Think about the kind of weather that'll work with your plans for Sihanoukville. The warmest month is May. Book your flights from London to KOS during then and you can expect temperatures of between 25ºC and 31ºC.
Visit in January if you want cooler conditions. Average temperatures range between 23ºC and 29ºC. However, this city delivers on a good time whenever you book your cheap flights from London to Sihanouk International Airport.

More about Sihanoukville

When it comes to searching for somewhere to rest your head, you'll find the most popular stays in Sihanoukville right here. Check out these options after locking in your flight from London to Sihanouk International Airport:
One of the best ways to get a feel for Sihanoukville is to explore its top sights. Some highlights include Ochheuteal Beach, Wat Leu Temple and Wat Krom Temple.

Complete your Sihanoukville trip with a car rental

We use the same magic that helped you find your cheap flight from London to Sihanouk International Airport to track down your perfect ride. Browse our car rentals in Sihanoukville and compare offers in one place. Plus we give you all the info you need to know, from the most popular car type to the best time to book.