C$96 Cheap Flights from Cairns (CNS) to Sydney (SYD)

Compare Cairns to Sydney flight deals

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Flight deals from Cairns to Sydney

Looking for a cheap last-minute deal or the best return flight from Cairns Airport to Sydney Airport? If you want to travel next month, return fares start from C$193. Find the lowest prices on one-way and return tickets right here.

Find the cheapest month to fly from Cairns to Sydney

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

Which airlines fly from Cairns to Sydney?

Cairns to Sydney: Alternative routes

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

Cairns to Sydney: Flight information

The things to know before you go.
Cheapest flight foundC$96
Cheapest month to flyFebruary
Average flight time2 hrs, 56 mins
Most popular airlineQatar Airways
Average flights per week245

Finding cheap flights from Cairns to Sydney: Frequently asked questions

The best price we found for a return flight from Cairns to Sydney is C$193. 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.
2 hours and 56 minutes is the average flight time from Cairns to Sydney.
Qatar Airways, Qantas and Virgin Australia fly direct from Cairns to Sydney.
As of April 2026, there are 245 flights per week flying from Cairns to Sydney.
The cheapest month to fly from Cairns to Sydney is usually April.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from Cairns Airport to Sydney Airport on Sunday, April 26, 2026.
Yes – the average flight time is 2 hours and 56 minutes.
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, Jetstar offers the cheapest flight tickets to Sydney.

Traveling from Cairns Airport (CNS) to Sydney (Kingsford Smith) Airport (SYD): what you need to know

  • A direct flight from Cairns Airport to Sydney (Kingsford Smith) Airport takes on average 3 hours. The timezone in Sydney is UTC+11, making it 1 hour ahead of Cairns.

  • Flights from Cairns Airport to Sydney (Kingsford Smith) Airport start from 06:00 — the first with Jetstar. The latest flight in the day is the 20:45 option with Jetstar. Overall, there are 162 weekly services between CNS and SYD.

  • Traveling during a popular month such as July? Public holidays and other high seasons can mean longer lines at security. Be extra cautious and get there up to four hours ahead of international flights and two hours before domestic departures.

  • One easy journey from CNS to SYD is all it takes to reach Sydney, Australia. You'll find a variety of airlines that operate direct flights from Cairns Airport to Sydney (Kingsford Smith) Airport, including:

  • If you want to break up your flight from Cairns Airport to Sydney (Kingsford Smith) Airport, add a stopover to your trip. Just deselect 'Direct flights only' and find a destination that appeals to you. The most popular stopovers on the CNS - SYD route are:

    • Gold Coast Airport

    • Brisbane Airport

    • Townsville Airport

  • You don't need your passport or a visa for travel within Australia. You will need a valid form of identification though, such as a driver's license or ID card. Put them on your packing list once you've found cheap ticket from CNS to SYD.

How to find the cheapest flights from Cairns Airport (CNS) to Sydney (Kingsford Smith) Airport (SYD)

  • The best price we've seen for a one-way ticket from Cairns Airport to Sydney (Kingsford Smith) Airport is C$96. The cheapest price for a return flight is C$193. Keep in mind that fares may change due to availability at the time of booking.

  • Book 9 months before flying. After crunching the numbers on our calendar, this is how far you should book ahead to secure cheap flight tickets from CNS to SYD.

  • The cheapest month for flight tickets from Cairns Airport to Sydney (Kingsford Smith) Airport is May. Use the 'Whole month' tool to see the lowest prices if you have a flexible travel schedule.

  • Snapping up a cheap ticket from CNS to SYD is a breeze with Price Alerts. All you need to do is create one of these automatic alerts and we'll let you know when there's a better deal.

  • Take advantage of filters to find the perfect journey for you. To see the 'Cheapest,' 'Fastest' or 'Best' flights from Cairns Airport to Sydney (Kingsford Smith) Airport, use the 'Sort by' function. You can also filter by airline, arrival and departure times, and journey duration.

Handy information about Cairns Airport (CNS)

  • Traveling from central Cairns to Cairns Airport takes about 1 hour and 26 minutes on public transport. If you drive, ride-share or get a cab, you'll cover the 6 kilometres in 10 minutes or so, depending on traffic.

  • Looking for a handy hotel close to CNS? If you've booked an early flight from Cairns Airport to Sydney (Kingsford Smith) Airport, these stays will have you moments from your departure gate:

Arriving at Sydney (Kingsford Smith) Airport (SYD)

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

  • From Sydney (Kingsford Smith) Airport, Sydney is approximately 18 kilometres away. It takes around 21 minutes to get to the center driving.

  • It takes around 27 minutes if you're traveling on public transport.

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

  • The quietest month for a flight from Cairns Airport to Sydney (Kingsford Smith) Airport is April, while July is the busiest. Choose the ideal time to visit Sydney based on whether you prefer a laid-back vibe or a more bustling atmosphere.

  • Book your flight from Cairns Airport to Sydney (Kingsford Smith) Airport for January if you want to visit Sydney during its warmest month. You can expect temperatures of between 17ºC and 32ºC.

  • July has average temperatures of between 5ºC and 19ºC. Search for cheap flight tickets from CNS to SYD sometime then if you like traveling in cooler conditions.

More about Sydney

Complete your Sydney trip with hotels and a car rental

  • We've got more party tricks up our sleeve than just comparing flights. Once you've secured your cheap ticket to Sydney (Kingsford Smith) Airport, explore our great car rental deals that'll give you the flexibility to travel around at your own pace. Next, have a look at our exclusive rates for hotels to find the ideal Sydney stay.

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