C$379 Cheap Flights from Perth (PER) to Sihanoukville (KOS)

Return selected
Return selected
origin
Enter the city you're flying from, or choose from the options below
Include nearby airports
    selected
    destination
    . Enter your destination, or choose from the options below
    Include nearby airports
      selected
      Travellers and cabin class, 1 Adult, Economy

      Compare Perth to Sihanoukville flight deals

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

      Book the best Sihanoukville fare with no extra fees

      Find the cheapest month to fly from Perth to Sihanoukville

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

      Perth to Sihanoukville: Alternative routes

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

      Perth to Sihanoukville: Flight information

      The things to know before you go.
      Cheapest flight foundC$379
      Cheapest month to flyOctober

      Finding cheap flights from Perth to Sihanoukville: Frequently asked questions

      The best price we found for a return flight from Perth to Sihanoukville is C$841. 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.
      Currently, there are no airlines that fly direct from Perth to Sihanoukville. But we found flights with one or more stops from C$841.
      As of September 2026, there are no flights flying from Perth to Sihanoukville.
      The cheapest month to fly from Perth to Sihanoukville is usually November.
      After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Perth Airport to Sihanoukville Airport on Tuesday, November 10, 2026.
      No airlines currently offer direct flights between Perth Airport and Sihanoukville Airport. Most routes have one or more stops.
      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.

      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.

      Currently, AirAsia offers the cheapest flight tickets to Sihanoukville.

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

      • During popular months like July, you'll want to get to the airport well in advance. Plan to arrive two hours before a domestic departure and four hours ahead of an international flight whenever you're traveling during a peak period in general.

      • If you'd like to tour a different city during your journey, search for a flight with a stopover. To see your options for flights from Perth Airport to Sihanouk International Airport, uncheck 'Direct flights only.' Kuala Lumpur International Airport is a popular stop between PER and KOS.

      • Don't forget, you may need a visa to enter Cambodia. Visa regulations vary and travel documentation requirements change often. Before booking your cheap ticket from PER to KOS, check with your airline and your destination country's local embassy or consulate for the latest information.

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

      • C$379 is currently the lowest price for a one-way ticket from Perth Airport to Sihanouk International Airport. A return flight starts at C$841. These prices may change depending on availability.

      • It's usually best to book as early as possible if you want to find cheap flight tickets from PER to KOS. That's because flight prices are based on demand, which tends to increase closer to the date of departure.

      • The 'Whole month' search tool shows you the cheapest flight tickets from Perth Airport to Sihanouk International Airport across the month. It's a good way to find a bargain if your plans aren't set in stone.

      • Set up a Price Alert for cheap flight tickets from PER to KOS. You don't need to search every day to see if prices have dropped. We'll tell you the moment the price changes.

      • Take advantage of filters to find the ideal journey for you. To see the 'Best,' 'Cheapest' or 'Fastest' flights from Perth Airport to Sihanouk International Airport, use the 'Sort by' tool. You can also filter results by arrival and departure times, airline, and journey duration.

      Handy information about Perth Airport (PER)

      Arriving at Sihanouk International Airport (KOS)

      • Hop off your flight from Perth Airport to Sihanouk International Airport and jump into your hotel bed shortly after. If you want a comfortable option that's not too far from KOS, make your way to Sihanouk City View Condominium.

      Getting from Sihanouk International Airport (KOS) to central Sihanoukville

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

      When to fly to Sihanouk International Airport (KOS)

      • August is the most popular month for flights from Perth Airport to Sihanouk International Airport. To steer clear of the crowds, visit Sihanoukville in April.

      • The warmest month in Sihanoukville is May, with temperatures ranging between 25ºC and 31ºC. Book your flights from Perth Airport to Sihanouk International Airport in this month if this is the type of weather you like.

      • January sees average temperatures of between 23ºC and 29ºC. Look for cheap flight tickets from PER to KOS sometime then if you want to travel when it's cooler.

      More about Sihanoukville

      • Start your Sihanoukville trip right by finding a fantastic stay. Once you've booked your flight from PER to KOS, explore our selection of accommodation options including:

      • There are so many things to explore in this city it can be hard to figure out where to start. Ochheuteal Beach, Wat Leu Temple and Wat Krom Temple are popular attractions which should be on any well-planned Sihanoukville itinerary.

      Complete your Sihanoukville trip with hotels and a car rental

      • You've booked your cheap ticket to Sihanouk International Airport — next on the list is finding somewhere to stay, and maybe even your own set of wheels. We've compared prices across hundreds of companies to bring you the top hotels and car rental deals in Sihanoukville.

      Prices shown on this page are estimated lowest prices only. Found in the last 12 days.