Cheap Flights from Killarney (KIR) to Sihanoukville (KOS)

Popular airlines from Killarney (KIR-Kerry) to Sihanoukville (KOS)

Frequently asked questions

How much does a flight from Kerry Airport (KIR) to Sihanoukville Airport (KOS) cost?
Snag a cheap one-way flight or cheap return flight from Kerry Airport (KIR) to Sihanoukville Airport (KOS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Kerry Airport (KIR) to Sihanoukville Airport (KOS)?
is the least expensive month to fly from KIR to KOS. Traveling during an off-peak travel window is often the key to finding better fares.
What is the cheapest airline that flies from Kerry Airport (KIR) to Sihanoukville Airport (KOS)?
Expedia's filter tool lets you easily compare different airlines, flight durations and fares all in one place. Choose your preferences, then sort by "Price (lowest to highest)" to find out which carrier offers the cheapest KIR to KOS flight.
How many flights per day from Kerry Airport (KIR) to Sihanoukville Airport (KOS)?
Nonstop flights from Kerry Airport (KIR) to Sihanoukville Airport (KOS) aren't available daily, so you'll have to take a flight with a layover. Explore your options with our filter tool. Enter your travel details and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from KIR to KOS?
Usually you'll find the largest variety of flight choices on a Friday. Tuesdays tend to be the quietest.* However, this can change based on the airline, time of year and other factors.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Kerry Airport (KIR) to Sihanoukville Airport (KOS)?
To touch down at Sihanoukville Airport (KOS) without delays, pick a flight that leaves Kerry Airport (KIR) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
Is it cheaper to buy a plane ticket from Kerry Airport (KIR) to Sihanoukville Airport (KOS) last-minute?
Booking your flight from KIR to KOS shortly before your trip is typically more expensive. However, if you're flexible with your itinerary, you could grab a cheap last-minute fare.
Is it cheaper to book a KIR to KOS flight and hotel package?
You'll generally save money by booking a KIR to KOS flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. After selecting your preferred accommodations and flights, consider adding extras like tours, car rentals and activities.
Can I cancel or change the date of my flight from Kerry Airport (KIR) to Sihanoukville Airport (KOS)?
If you booked your KIR to KOS flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, visit our Customer Service portal if you'd like more information.

Travel information

Origin airport
Kerry
Destination airport
Sihanoukville
Distance
6583 mi

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Killarney to Sihanoukville Flights

The cheapest times to fly from Killarney to Sihanoukville

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Killarney to Sihanoukville are during the month of . You can find some of the cheapest flights from Killarney to Sihanoukville with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Killarney to Sihanoukville

Sunday is one of the best days to book for cheap flights from Killarney to Sihanoukville: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Killarney to Sihanoukville

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Killarney to Sihanoukville in 2025. You can also book with separate airlines for your outbound and return journeys, from one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Killarney to Sihanoukville flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Killarney to Sihanoukville airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Killarney to Sihanoukville Flights

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*Available to One Key members.