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Cheap Flights from Sihanoukville to Sydney

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Compare Sihanoukville to Sydney flight deals

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

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Flight deals from Sihanoukville to Sydney

Looking for a cheap last-minute deal or the best return flight from Sihanoukville to Sydney? Find the lowest prices on one-way and return tickets right here.
Sydney.R 5,164 per passenger.Departing Sat, 16 Aug.One-way flight with AirAsia.Outbound indirect flight with AirAsia, departs from Sihanoukville on Sat, 16 Aug, arriving in Sydney.Price includes taxes and charges.From R 5,164, select.
Sydney.R 5,293 per passenger.Departing Fri, 20 Jun.One-way flight with AirAsia.Outbound indirect flight with AirAsia, departs from Sihanoukville on Fri, 20 Jun, arriving in Sydney.Price includes taxes and charges.From R 5,293, select.
Sydney.R 5,480 per passenger.Departing Wed, 14 May.One-way flight with AirAsia.Outbound indirect flight with AirAsia, departs from Sihanoukville on Wed, 14 May, arriving in Sydney.Price includes taxes and charges.From R 5,480, select.
Sydney.R 5,485 per passenger.Departing Tue, 2 Sep.One-way flight with AirAsia.Outbound indirect flight with AirAsia, departs from Sihanoukville on Tue, 2 Sep, arriving in Sydney.Price includes taxes and charges.From R 5,485, select.
Sydney.R 7,308 per passenger.Departing Sun, 13 Jul.One-way flight with AirAsia.Outbound indirect flight with AirAsia, departs from Sihanoukville on Sun, 13 Jul, arriving in Sydney.Price includes taxes and charges.From R 7,308, select.
Sydney.R 8,890 per passenger.Departing Sun, 1 Mar.One-way flight with AirAsia.Outbound indirect flight with AirAsia, departs from Sihanoukville on Sun, 1 Mar, arriving in Sydney.Price includes taxes and charges.From R 8,890, select.
Sydney.R 23,455 per passenger.Departing Wed, 30 Apr.One-way flight with AirAsia.Outbound indirect flight with AirAsia, departs from Sihanoukville on Wed, 30 Apr, arriving in Sydney.Price includes taxes and charges.From R 23,455, select.

Find the cheapest month to fly from Sihanoukville to Sydney

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like Sihanoukville to Sydney flights are currently cheapest in August.
Apr
from R 23,407
May
from R 5,469
Jun
from R 5,282
Jul
from R 7,293
Aug
from R 5,154
Sep
from R 5,473
Oct
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Nov
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Dec
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Jan
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Feb
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Mar
from R 8,872

Sihanoukville to Sydney: Alternative routes

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

Sihanoukville to Sydney: Flight information

The things to know before you go.
Cheapest flight foundR 5,164
Cheapest month to flyAugust

Finding cheap flights from Sihanoukville to Sydney: Frequently asked questions

The best price we found for a return flight from Sihanoukville to Sydney is R 10,492. 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 Sihanoukville to Sydney. But we found flights with one or more stops from R 10,471.
As of April 2025, there are no flights flying from Sihanoukville to Sydney.
The cheapest month to fly from Sihanoukville to Sydney is usually April 2025.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Sihanoukville Airport to Sydney Airport on Wednesday, 14 May 2025.
No airlines currently offer direct flights between Sihanoukville Airport and Sydney 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 Sydney 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 Sydney is around 40 days in advance, so don’t leave your flight to the last minute.
Currently, AirAsia offers the cheapest flight tickets to Sydney.

Flying from Sihanouk International Airport (KOS) to Sydney (Kingsford Smith) Airport (SYD): what you need to know

  • Sydney is four hours ahead of Sihanoukville and observes the UTC+11 timezone.

  • Get to the airport on time so you don't miss your KOS to SYD flight. Be there at least two hours ahead for international flights and an hour early for domestic departures to avoid the stress of rushing.

  • During popular months such as January, you'll want to get to the airport earlier than normal. Plan to arrive two hours before a domestic departure and four hours ahead for international flights when you fly during a high season in general.

  • Choose a stopover if you'd love to break up your flight. Just deselect 'Direct flights only' to see your options for tickets from Sihanouk International Airport to Sydney (Kingsford Smith) Airport. Kuala Lumpur International Airport is a popular stopover on the KOS to SYD route.

How to find the cheapest flights from Sihanouk International Airport (KOS) to Sydney (Kingsford Smith) Airport (SYD)

  • R 5,154 is currently the best price for a one-way Sihanouk International Airport to Sydney (Kingsford Smith) Airport flight. Return flights start at R 10,471. These prices can change based on availability and demand.

  • To find cheap tickets from KOS to SYD, book as early as you can. Airlines generally offer lower prices when flights are first released.

  • If you can be flexible with your trip dates, use the 'Whole month' tool. It'll find the cheapest price across the month when looking for a flight from Sihanouk International Airport to Sydney (Kingsford Smith) Airport.

  • Never miss a deal on cheap flights from KOS to SYD by creating a Price Alert. We'll send you an email or notification through the app when a lower fare becomes available.

  • Tailor your flights using filters. Pick your departure and arrival times, airlines and total journey duration. You can also sort your results by 'Best,' 'Cheapest' or 'Fastest' flights from Sihanouk International Airport to Sydney (Kingsford Smith) Airport.

Handy information about Sihanouk International Airport (KOS)

  • 78.65% of flights that take off from Sihanouk International Airport land at their destination on schedule.

  • Central Sihanoukville to Sihanouk International Airport is around 24 kilometres. Depending on traffic, it'll take you about 45 minutes to get there if you're catching a cab, ride-sharing or driving.

  • Booking a night at a hotel can take the stress out of getting to the airport on time. If you need a place to stay before your flight from Sihanouk International Airport to Sydney (Kingsford Smith) Airport, take a look at Sok Sabay Resort. It's a quick drive from KOS.

Arriving at Sydney (Kingsford Smith) Airport (SYD)

Getting from Sydney (Kingsford Smith) Airport (SYD) to central Sydney

  • Sydney (Kingsford Smith) Airport is approximately 18 kilometres from central Sydney. Driving there takes about 20 minutes.

  • It'll take around 25 minutes if you're travelling by public transport.

When to fly to Sydney (Kingsford Smith) Airport (SYD)

  • The quietest month for a flight from Sihanouk International Airport to Sydney (Kingsford Smith) Airport is April, while April is the busiest. Choose the best time to go to Sydney based on whether you prefer a more relaxed vibe or a faster pace.

  • The warmest month in Sydney is January, with the temperature ranging between 17ºC (63ºF) and 32ºC (90ºF). Lock in your flights from Sihanouk International Airport to Sydney (Kingsford Smith) Airport in this month if you enjoy this type of weather.

  • Look for cheap tickets from KOS to SYD in July if you like travelling in cooler conditions. Temperatures are at their lowest then, ranging between 5ºC (41ºF) and 19ºC (66ºF) on average.

Explore more of Australia

  • You've seen Sydney, now it's time to explore other corners of Australia. Journey about 241 kilometres south-west to Canberra to check off its leading attractions. From Australian War Memorial to National Gallery of Australia and Parliament House, there's plenty to keep you busy.

  • Around 121 kilometres north-east of Sydney, Newcastle is another essential stop in Australia. Experience this destination's highlights firsthand at Newcastle Beach, Nobbys Beach and Merewether Beach.

Plan the rest of your trip from Sihanoukville to Sydney

Prices shown on this page are estimated lowest prices only. Found in the last 45 days.