Cheap Flights from Cairns (CNS) to Sydney (SYD) from HK$681~

View HK$681 flight on Sat, 9 Aug 2025Opens in a new window

Popular airlines from Cairns Intl. Airport (CNS) to Sydney Airport (SYD)

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Find Cheap Flights from Cairns (CNS) to Sydney (SYD)

Prices were available within the past 7 days and start at HK$681 for one-way flights and HK$1,783 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Jetstar
Sat, 27 Dec - Sun, 4 Jan
CNS
Cairns
SYD
Sydney
HK$1,783 Return, found 2 days ago
HK$1,783
Return
found 2 days ago
Select Jetstar flight, departing Sat, 27 Dec from Cairns to Sydney, returning Sun, 4 Jan, priced at HK$1,783 found 2 days ago
Jetstar
Sat, 27 Dec - Sun, 4 Jan
CNS
Cairns
SYD
Sydney
HK$1,884 Return, found 2 days ago
HK$1,884
Return
found 2 days ago
Select Jetstar flight, departing Sat, 27 Dec from Cairns to Sydney, returning Sun, 4 Jan, priced at HK$1,884 found 2 days ago
Jetstar
Sat, 27 Dec - Sun, 4 Jan
CNS
Cairns
SYD
Sydney
HK$1,940 Return, found 2 days ago
HK$1,940
Return
found 2 days ago
Select Jetstar flight, departing Sat, 27 Dec from Cairns to Sydney, returning Sun, 4 Jan, priced at HK$1,940 found 2 days ago
Jetstar
Sat, 27 Dec - Sun, 4 Jan
CNS
Cairns
SYD
Sydney
HK$2,042 Return, found 2 days ago
HK$2,042
Return
found 2 days ago
Select Jetstar flight, departing Sat, 27 Dec from Cairns to Sydney, returning Sun, 4 Jan, priced at HK$2,042 found 2 days ago
Virgin Australia
Sun, 31 Aug - Thu, 4 Sep
CNS
Cairns
SYD
Sydney
HK$2,069 Return, found 1 day ago
HK$2,069
Return
found 1 day ago
Select Virgin Australia flight, departing Sun, 31 Aug from Cairns to Sydney, returning Thu, 4 Sep, priced at HK$2,069 found 1 day ago
Jetstar
Thu, 19 Mar - Tue, 24 Mar
CNS
Cairns
SYD
Sydney
HK$2,177 Return, found 2 days ago
HK$2,177
Return
found 2 days ago
Select Jetstar flight, departing Thu, 19 Mar from Cairns to Sydney, returning Tue, 24 Mar, priced at HK$2,177 found 2 days ago
Jetstar
Sat, 27 Dec - Sun, 4 Jan
CNS
Cairns
SYD
Sydney
HK$2,199 Return, found 2 days ago
HK$2,199
Return
found 2 days ago
Select Jetstar flight, departing Sat, 27 Dec from Cairns to Sydney, returning Sun, 4 Jan, priced at HK$2,199 found 2 days ago
Virgin Australia
Thu, 19 Mar - Tue, 24 Mar
CNS
Cairns
SYD
Sydney
HK$2,221 Return, found 2 days ago
HK$2,221
Return
found 2 days ago
Select Virgin Australia flight, departing Thu, 19 Mar from Cairns to Sydney, returning Tue, 24 Mar, priced at HK$2,221 found 2 days ago
Virgin Australia
Thu, 19 Mar - Tue, 24 Mar
CNS
Cairns
SYD
Sydney
HK$2,304 Return, found 2 days ago
HK$2,304
Return
found 2 days ago
Select Virgin Australia flight, departing Thu, 19 Mar from Cairns to Sydney, returning Tue, 24 Mar, priced at HK$2,304 found 2 days ago
Qantas Airways
Thu, 19 Mar - Tue, 24 Mar
CNS
Cairns
SYD
Sydney
HK$2,374 Return, found 2 days ago
HK$2,374
Return
found 2 days ago
Select Qantas Airways flight, departing Thu, 19 Mar from Cairns to Sydney, returning Tue, 24 Mar, priced at HK$2,374 found 2 days ago

Find the cheapest month to fly from Cairns (CNS) to Sydney (SYD)

May is typically the cheapest month to fly

From HK$1,073 - HK$1,998 per traveller.

Graph displaying average flight prices per month

Cairns to Sydney route information
Origin airport
Cairns Intl.
Destination airport
Kingsford Smith Intl.
Airlines serving
Qantas Airways, Virgin Australia
Return price
HK$1,782
Distance
1960 km
Average flight time
2 hours 55 mins

Flights from Cairns to Sydney

Book cheap flights from Cairns (CNS) to Sydney (SYD) on Expedia.com.hk. Find the best flight deals to destinations around the world for your next leisure or business travel on Expedia.com.hk.

Search for flights from Cairns (CNS) to Sydney (SYD) to find great flight deals suitable to your travel date and time. Expedia.com.hk flight booking search engine is simple to use and looking for cheap flights is as easy as a click of a mouse or on your mobile devices.

Be assured that you’re seeing the best price guaranteed! Our friendly customer service representatives are here to serve you 24 hours day to provide assistance and answer any questions that you may have about booking your Cairns (CNS) to Sydney (SYD) trip. Call us at 3077-4857 (direct number - 24 hours day for English).

Save more when combine your Sydney flight with a hotel for a package deal! Discover additional savings by booking in advance. Now you can find activities in Sydney and things to do in Sydney for your perfect vacation with Expedia Thing to Do.

If you would like to book flights to Sydney more flexibly, many prefer to purchase one-way tickets with options to take different airlines. A one way ticket to Sydney is HK$681 now!

 

Frequently asked questions

How much is a flight from Cairns Intl. Airport (CNS) to Sydney Airport?
If you're planning on traveling from Cairns Airport to SYD, round-trip journeys start from HK$1,783. This figure is based on fares listed within the last 7 days on Expedia for flights departing within the next year, so don't let a good deal slip through your fingers. Book now and save yourself both money and time. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Cairns Intl. Airport (CNS) to Kingsford Smith Intl. Airport (SYD)?
When it comes to cancellation fees, every airline has its own terms and conditions. If you decide to cancel your getaway, visit our Customer Service Portal.
How do I find cheap flights from Cairns Intl. Airport (CNS) to Mascot Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Cairns Airport to Kingsford Smith Intl. Airport (SYD) flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Cairns Airport to Kingsford Smith Intl. Airport (SYD)?
You'll be in the air for a while, as the flight distance from Cairns to Sydney is 1,950 kilometers. Set up a playlist of your favorite tunes before you leave home to stay entertained during the flight.
Which airlines fly direct from Cairns Intl. Airport (CNS) to Kingsford Smith Intl. Airport (SYD)?
Whether you need a return or one-way flight, you'll have your choice of airlines that will fly you straight from CNS to Mascot Airport. These are some of the most popular ones:

  • Jetstar - (JQ) with 95 monthly flights
  • Virgin Australia - (VA) with 78 monthly flights
  • Qantas - (QF) with 56 monthly flights
  • Alliance Airlines - (QQ) with 4 monthly flights

Are Cairns Intl. Airport (CNS) to Mascot Airport flight tickets cheaper when they're purchased at the last minute?
Last-minute planners can sometimes nab a bargain, with some of the cheapest fares from CNS to SYD appearing a few weeks before the date of departure. If you'd rather plan ahead, Expedia compares and updates all the best flight deals regularly — as early as a year in advance in some cases. It does depend on the carrier though, as not all airlines quote prices that far in advance.

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