€150 Cheap Flights Cairns to Sydney (CNS-SYD)

View €150 flight on Sat, 16 Aug 2025Opens in a new window

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

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Cheap flights from Cairns to Sydney (CNS-SYD)

Prices were available within the past 7 days and start at €150 for one-way flights and €237 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Qantas Airways
Sat, 25 Oct - Sat, 1 Nov
CNS
Cairns
SYD
Sydney
€237 Return, found 4 days ago
€237
Return
found 4 days ago
Select Qantas Airways flight, departing Sat, 25 Oct from Cairns to Sydney, returning Sat, 1 Nov, priced at €237 found 4 days ago
Jetstar
Fri, 23 Jan - Mon, 26 Jan
CNS
Cairns
SYD
Sydney
€263 Return, found 3 days ago
€263
Return
found 3 days ago
Select Jetstar flight, departing Fri, 23 Jan from Cairns to Sydney, returning Mon, 26 Jan, priced at €263 found 3 days ago
Jetstar
Sat, 25 Oct - Sat, 1 Nov
CNS
Cairns
SYD
Sydney
€269 Return, found 4 days ago
€269
Return
found 4 days ago
Select Jetstar flight, departing Sat, 25 Oct from Cairns to Sydney, returning Sat, 1 Nov, priced at €269 found 4 days ago
Emirates
Fri, 23 Jan - Mon, 26 Jan
CNS
Cairns
SYD
Sydney
€274 Return, found 3 days ago
€274
Return
found 3 days ago
Select Emirates flight, departing Fri, 23 Jan from Cairns to Sydney, returning Mon, 26 Jan, priced at €274 found 3 days ago
Qantas Airways
Sat, 25 Oct - Sat, 1 Nov
CNS
Cairns
SYD
Sydney
€289 Return, found 4 days ago
€289
Return
found 4 days ago
Select Qantas Airways flight, departing Sat, 25 Oct from Cairns to Sydney, returning Sat, 1 Nov, priced at €289 found 4 days ago
Qantas Airways
Sat, 25 Oct - Sat, 1 Nov
CNS
Cairns
SYD
Sydney
€293 Return, found 4 days ago
€293
Return
found 4 days ago
Select Qantas Airways flight, departing Sat, 25 Oct from Cairns to Sydney, returning Sat, 1 Nov, priced at €293 found 4 days ago
Jetstar
Fri, 23 Jan - Mon, 26 Jan
CNS
Cairns
SYD
Sydney
€297 Return, found 3 days ago
€297
Return
found 3 days ago
Select Jetstar flight, departing Fri, 23 Jan from Cairns to Sydney, returning Mon, 26 Jan, priced at €297 found 3 days ago
Qantas Airways
Sat, 25 Oct - Sat, 1 Nov
CNS
Cairns
SYD
Sydney
€299 Return, found 4 days ago
€299
Return
found 4 days ago
Select Qantas Airways flight, departing Sat, 25 Oct from Cairns to Sydney, returning Sat, 1 Nov, priced at €299 found 4 days ago
Qantas Airways
Fri, 23 Jan - Mon, 26 Jan
CNS
Cairns
SYD
Sydney
€299 Return, found 3 days ago
€299
Return
found 3 days ago
Select Qantas Airways flight, departing Fri, 23 Jan from Cairns to Sydney, returning Mon, 26 Jan, priced at €299 found 3 days ago
Jetstar
Sat, 25 Oct - Sat, 1 Nov
CNS
Cairns
SYD
Sydney
€300 Return, found 4 days ago
€300
Return
found 4 days ago
Select Jetstar flight, departing Sat, 25 Oct from Cairns to Sydney, returning Sat, 1 Nov, priced at €300 found 4 days ago

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

May is typically the cheapest month to fly

From €118 - €219 per traveller.

Graph displaying average flight prices per month

Cairns to Sydney route information
Origin airport
Cairns Intl.
Destination airport
Kingsford Smith Intl.
Return price
€237
Distance
1960 km
Average flight time
2 hours 55 mins

Perfect flights from Cairns to Sydney

Embark on an unforgettable journey without breaking the bank with Expedia's incredible deals on cheap flights from Cairns to Sydney. Whether you're aching for a romantic escape with your partner, craving an adventurous solo expedition, or yearning to immerse yourself in the local history and culture, we've got you covered.
 
Picture yourself strolling through the streets of Sydney, surrounded by breathtaking architecture and absorbing the vibrant atmosphere of this captivating city. Indulge in the mouth-watering local specialties, from tantalizing street food to exquisite fine dining. With Expedia, you can experience all of this and more, without sacrificing your budget.
 
Our flexible Cairns Intl. to Kingsford Smith Intl. ticket options cater to your travel preferences, with incredible one-way fares from €150 and roundtrip prices from €237. Whether you're planning a short city break or a longer adventure, our dynamic pricing ensures that you find the best deals for your journey.
 
But the magic doesn't stop there. Expedia offers a range of partner services to enhance your trip. Rent a car at Kingsford Smith Intl. and explore Sydney and its surrounding areas at your own pace. Discover hidden gems off the beaten path, and create unforgettable memories. We also provide a handpicked selection of accommodations, from charming bed and breakfasts to luxury hotels, ensuring that you have a comfortable and memorable stay.
 
Planning your next great adventure is a breeze with Expedia. Our user-friendly platform, unbeatable prices, and round-the-clock customer support are designed to make your travel experience seamless and stress-free. So, why wait? Book your CNS to SYD travel arrangements today and embark on the journey of a lifetime in Sydney.

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 €237. 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.

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