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

View AU$115 flight on Mon, 15 Sep. 2025Opens in a new window

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

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

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Jetstar
Sat, 1 Nov. - Tue, 4 Nov.
CNS
Cairns
SYD
Sydney
AU$217 Return, found 6 days ago
AU$217
Return
found 6 days ago
Select Jetstar flight, departing Sat, 1 Nov. from Cairns to Sydney, returning Tue, 4 Nov., priced at AU$217 found 6 days ago
Jetstar
Tue, 9 Sep. - Thu, 11 Sep.
CNS
Cairns
SYD
Sydney
AU$230 Return, found 1 hour ago
AU$230
Return
found 1 hour ago
Select Jetstar flight, departing Tue, 9 Sep. from Cairns to Sydney, returning Thu, 11 Sep., priced at AU$230 found 1 hour ago
Jetstar
Mon, 1 Dec. - Mon, 8 Dec.
CNS
Cairns
SYD
Sydney
AU$236 Return, found 6 days ago
AU$236
Return
found 6 days ago
Select Jetstar flight, departing Mon, 1 Dec. from Cairns to Sydney, returning Mon, 8 Dec., priced at AU$236 found 6 days ago
Jetstar
Tue, 9 Sep. - Thu, 11 Sep.
CNS
Cairns
SYD
Sydney
AU$239 Return, found 1 hour ago
AU$239
Return
found 1 hour ago
Select Jetstar flight, departing Tue, 9 Sep. from Cairns to Sydney, returning Thu, 11 Sep., priced at AU$239 found 1 hour ago
Jetstar
Thu, 18 Sep. - Sat, 20 Sep.
CNS
Cairns
SYD
Sydney
AU$248 Return, found 5 hours ago
AU$248
Return
found 5 hours ago
Select Jetstar flight, departing Thu, 18 Sep. from Cairns to Sydney, returning Sat, 20 Sep., priced at AU$248 found 5 hours ago
Jetstar
Tue, 9 Sep. - Thu, 11 Sep.
CNS
Cairns
SYD
Sydney
AU$249 Return, found 1 hour ago
AU$249
Return
found 1 hour ago
Select Jetstar flight, departing Tue, 9 Sep. from Cairns to Sydney, returning Thu, 11 Sep., priced at AU$249 found 1 hour ago
Jetstar
Tue, 9 Sep. - Thu, 11 Sep.
CNS
Cairns
SYD
Sydney
AU$258 Return, found 1 hour ago
AU$258
Return
found 1 hour ago
Select Jetstar flight, departing Tue, 9 Sep. from Cairns to Sydney, returning Thu, 11 Sep., priced at AU$258 found 1 hour ago
Jetstar
Tue, 9 Sep. - Thu, 11 Sep.
CNS
Cairns
SYD
Sydney
AU$265 Return, found 1 hour ago
AU$265
Return
found 1 hour ago
Select Jetstar flight, departing Tue, 9 Sep. from Cairns to Sydney, returning Thu, 11 Sep., priced at AU$265 found 1 hour ago
Virgin Australia
Thu, 23 Oct. - Sun, 26 Oct.
CNS
Cairns
SYD
Sydney
AU$319 Return, found 2 hours ago
AU$319
Return
found 2 hours ago
Select Virgin Australia flight, departing Thu, 23 Oct. from Cairns to Sydney, returning Sun, 26 Oct., priced at AU$319 found 2 hours ago
Qantas Airways
Mon, 24 Nov. - Mon, 8 Dec.
CNS
Cairns
SYD
Sydney
AU$435 Return, found 5 hours ago
AU$435
Return
found 5 hours ago
Select Qantas Airways flight, departing Mon, 24 Nov. from Cairns to Sydney, returning Mon, 8 Dec., priced at AU$435 found 5 hours ago

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

September is typically the cheapest month to fly

From AU$208 - AU$423 per traveller.

Graph displaying average flight prices per month

Flight from Cairns to Sydney route information
Origin airport
Cairns Intl.
Destination airport
Kingsford Smith Intl.
Airlines serving
Jetstar, Qantas Airways, Virgin Australia
Return price
AU$217
Distance
1960 km
Average flight time
2 hours 55 mins

Your quick guide to flights from Cairns to Sydney

Pick up great flights from Cairns to Sydney

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Cairns to Sydney. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Cairns to Sydney that take around hours.

Find cheap flights from Cairns to Sydney

From the great flight deals with prices currently ranging from AU$217 to AU$435, you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Cairns to Sydney around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Sydney is normally in November.

Reasons to book your flight from Cairns to Sydney with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Cairns to Sydney across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Sydney right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Frequently asked questions

How much is a flight from Cairns Intl. Airport (CNS) to Sydney Airport?
If you're planning on travelling from Cairns Airport to SYD, round-trip journeys start from AU$217. 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 kilometres. Set up a playlist of your favourite 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.

Explore a world of travel with Expedia

Sydney Flight Deals

Shellharbour

Cairns to Shellharbour
AU$969.78
*Available to Expedia members.