Cheap Flights from Perth (PER) to Sihanoukville (KOS)

Popular airlines from Perth Airport (PER) to Sihanoukville (KOS)

Frequently asked questions

How much does a flight from Perth Airport (PER) to Sihanoukville Airport (KOS) cost?
Snag a cheap one-way flight or cheap return flight from Perth Airport (PER) to Sihanoukville Airport (KOS) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Perth Airport (PER) to Sihanoukville Airport (KOS)?
is the most affordable month to fly from PER to KOS. Traveling outside of peak seasons is often the key to finding better deals on flights.
What is the cheapest airline that flies from Perth Airport (PER) to Sihanoukville Airport (KOS)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll take you from PER to KOS. Then, sort your results by "Price (lowest to highest)" to snag a great deal.
How many flights per day from Perth Airport (PER) to Sihanoukville Airport (KOS)?
There are no daily nonstop flights from Perth Airport (PER) to Sihanoukville Airport (KOS). But you can book flights with layovers. Filter your search on Expedia to include one or two stops, and you'll be cruising above the clouds before you know it.
What day of the week has the most flights from PER to KOS?
Friday is usually the busiest day for flights, while Tuesday is often the quietest.* Just remember that flight schedules can change depending on a range of factors, including the time of year and carrier.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Perth Airport (PER) to Sihanoukville Airport (KOS)?
To land at Sihanoukville Airport (KOS) without delays, pick a flight that leaves from Perth Airport (PER) 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 Perth Airport (PER) to Sihanoukville Airport (KOS) last-minute?
Holding off until just before your trip to book your flight from PER to KOS often results in higher prices. While it's possible to find some last-minute deals, there's no guarantee. Be flexible with your itinerary for a better chance of landing a bargain.
Is it cheaper to book a PER to KOS flight and hotel package?
Opting for a PER to KOS flight and hotel package tends to be cheaper than booking separately. With Expedia, you can enjoy the convenience of organizing your trip all in one place. Pick from our extensive range of hotels and then add car rentals, activities and flights to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Perth Airport (PER) to Sihanoukville Airport (KOS)?
If you booked your PER to KOS flight within the last 24 hours, you may be able to modify or cancel it without fees. Depending on the airline and the type of ticket you purchased, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

Travel information

Travel information

Origin airport
Perth
Destination airport
Sihanoukville
Distance
3048 mi

Book with confidence

Book with confidence

Perth to Sihanoukville Flights

The cheapest times to fly from Perth 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 Perth to Sihanoukville are during the month of . You can find some of the cheapest flights from Perth to Sihanoukville with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Perth to Sihanoukville

Sunday is one of the best days to book for cheap flights from Perth 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 Perth 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 Perth 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 Perth 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 Perth 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.

 

Perth to Sihanoukville Flights

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*Available to One Key members.