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Cheap flights from Cairns to Sydney from C$ 112

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 31/3. Fares are subject to change and may not be available on all flights or dates of travel.
CNS — SYD
25 Feb — 4 Mar1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Cairns to Sydney

Enter your travel dates to find the best prices.

Cheapest flights from Cairns to Sydney
Explore the most affordable flight options available from Cairns to Sydney. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 26 January 2026.

Sat 25/47:10 p.m.
CNS
-
SYD
Nonstop2h 55m
Jetstar
Mon 27/47:15 p.m.
SYD
-
CNS
Nonstop3h 10m
Jetstar
Deal found 24/1C$ 211
Wed 11/36:40 a.m.
CNS
-
SYD
Nonstop3h 00m
Jetstar
Wed 18/36:20 a.m.
SYD
-
CNS
Nonstop3h 00m
Jetstar
Deal found 25/1C$ 212
Wed 11/26:40 a.m.
CNS
-
SYD
Nonstop3h 00m
Jetstar
Sat 28/26:20 a.m.
SYD
-
CNS
Nonstop3h 00m
Jetstar
Deal found 25/1C$ 219
Fri 6/36:05 p.m.
CNS
-
SYD
Nonstop3h 00m
Jetstar
Sun 8/36:20 a.m.
SYD
-
CNS
Nonstop3h 00m
Jetstar
Deal found 25/1C$ 229
Thu 7/57:15 p.m.
CNS
-
SYD
Nonstop2h 55m
Virgin Australia
Sun 10/512:40 p.m.
SYD
-
CNS
Nonstop3h 15m
Virgin Australia
Deal found 25/1C$ 248
Tue 26/57:10 p.m.
CNS
-
SYD
Nonstop2h 55m
Jetstar
Thu 28/56:10 a.m.
SYD
-
CNS
Nonstop3h 10m
Jetstar
Deal found 25/1C$ 259
Wed 11/26:40 a.m.
CNS
-
SYD
Nonstop3h 00m
Jetstar
Fri 13/26:20 a.m.
SYD
-
CNS
Nonstop3h 00m
Jetstar
Deal found 26/1C$ 273
Tue 10/26:05 p.m.
CNS
-
SYD
Nonstop3h 00m
Jetstar
Thu 12/26:20 a.m.
SYD
-
CNS
Nonstop3h 00m
Jetstar
Deal found 25/1C$ 281
Thu 20/84:35 p.m.
CNS
-
SYD
Nonstop2h 55m
Virgin Australia
Fri 18/912:40 p.m.
SYD
-
CNS
Nonstop3h 15m
Virgin Australia
Deal found 25/1C$ 290
Fri 11/94:35 p.m.
CNS
-
SYD
Nonstop2h 55m
Virgin Australia
Sat 19/96:50 a.m.
SYD
-
CNS
Nonstop3h 15m
Virgin Australia
Deal found 26/1C$ 320

Find flight deals from Cairns to Sydney

Discover tips and strategies to find the most affordable flight options for your journey from Cairns (CNS) to Sydney (SYD). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 26 January 2026.

Round-trip from

C$ 211

One-way from

C$ 112

Popular in

April

Cheapest in

March

Average price

C$ 259
Jetstar
  • Jetstar
  • 25/4-27/4
  • Nonstop
  • 6h 05m total
  • Cairns to Sydney
Search Deals
Jetstar
  • Jetstar
  • 31/3
  • Nonstop
  • 2h 55m total
  • Cairns to Sydney
Search Deals
High demand for flights, 1% potential price rise
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 9 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
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Cheapflights Fare Finder

 
Customize your flight search to find flights from Cairns to Sydney that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 629,999 searches. Data last updated 26 January 2026.
Use the filters below to find and compare flights from Cairns to Sydney that are best for you.

Fly from

Cairns

Fly to

Sydney

Route

Depart

Return

Price

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Sat 25/4

7:10 p.m.-10:05 p.m.

Nonstop2h 55m

Sydney Kingsford Smith

Mon 27/4

7:15 p.m.-10:25 p.m.

Nonstop3h 10m

C$ 211

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Wed 11/3

6:40 a.m.-10:40 a.m.

Nonstop3h 00m

Sydney Kingsford Smith

Wed 18/3

6:20 a.m.-8:20 a.m.

Nonstop3h 00m

C$ 212

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Wed 11/2

6:40 a.m.-10:40 a.m.

Nonstop3h 00m

Sydney Kingsford Smith

Sat 28/2

6:20 a.m.-8:20 a.m.

Nonstop3h 00m

C$ 219

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Fri 6/3

6:05 p.m.-10:05 p.m.

Nonstop3h 00m

Sydney Kingsford Smith

Sun 8/3

6:20 a.m.-8:20 a.m.

Nonstop3h 00m

C$ 229

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Tue 26/5

7:10 p.m.-10:05 p.m.

Nonstop2h 55m

Sydney Kingsford Smith

Tue 2/6

3:15 p.m.-6:25 p.m.

Nonstop3h 10m

C$ 229

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Thu 7/5

12:10 p.m.-3:05 p.m.

Nonstop2h 55m

Sydney Kingsford Smith

Sun 10/5

12:40 p.m.-3:55 p.m.

Nonstop3h 15m

C$ 248

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Mon 15/6

7:10 p.m.-10:05 p.m.

Nonstop2h 55m

Sydney Kingsford Smith

Wed 15/7

7:45 p.m.-10:50 p.m.

Nonstop3h 05m

C$ 259

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Tue 26/5

7:10 p.m.-10:05 p.m.

Nonstop2h 55m

Sydney Kingsford Smith

Thu 28/5

6:10 a.m.-9:20 a.m.

Nonstop3h 10m

C$ 259

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Wed 11/2

6:40 a.m.-10:40 a.m.

Nonstop3h 00m

Sydney Kingsford Smith

Fri 13/2

6:20 a.m.-8:20 a.m.

Nonstop3h 00m

C$ 273

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Mon 23/2

6:40 a.m.-10:40 a.m.

Nonstop3h 00m

Sydney Kingsford Smith

Mon 2/3

6:20 a.m.-8:20 a.m.

Nonstop3h 00m

C$ 281

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/1

Showing 1-10 of 21 results
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Best time to book a flight from Cairns to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Cairns with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Cairns to Sydney

How far ahead should I book a flight from Cairns to Sydney?

Use this chart to determine the optimal time to book a round-trip flight from Cairns to Sydney. Price data was last updated on 23 January 2026.

The best time to book flights from Cairns to Sydney is 76 days before your desired departure date. The cost of your flight will likely increase significantly if you book two weeks in advance of your flight.

What is the cheapest month to book a flight from Cairns to Sydney?

Currently, July is the cheapest month in which you can book a flight from Cairns to Sydney (average of C$ 90). Flying from Cairns to Sydney in March is currently the most expensive (average of C$ 136). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from CNS to SYD?

Find hourly flight availability from Cairns to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 26 January 2026.

When flying from Cairns to Sydney, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Related info for your journey

Find useful and relevant information for your journey from Cairns to Sydney. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How popular is this Cairns to Sydney flight route?

    This flight path from Cairns to Sydney Kingsford Smith was viewed by 2 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Cairns to Sydney?

    Departing from Cairns to Sydney will take you 2h 55m. Cairns and Sydney are separated by a distance of 1970 km. Generally, flights for this route are direct.

  • What are the most reliable airlines from Cairns to Sydney?

    Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Cairns to Sydney on time: Air Canada (88%), Virgin Australia (83%), Singapore Airlines (83%).

  • Can I find deals for flights from Cairns to Sydney that include hotel bookings?

    Yes. In addition to deals on Cairns to Sydney flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Cairns to Sydney?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Cairns to Sydney.

  • Can I find deals for business class flights from Cairns to Sydney?

    Yes. Cheapflights offers flight deals from Cairns to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Cairns to Sydney?

    Currently, July is the cheapest month in which you can book a flight from Cairns to Sydney (average of C$ 90). Flying from Cairns to Sydney in March is currently the most expensive (average of C$ 136). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Bondi Beach
Penrith
Parramatta

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Alternative routes for Cairns to Sydney

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How does Cheapflights help users find flights from Cairns to Sydney?

When you search for this flight from Cairns to Sydney, Cheapflights searches on 900+ travel sites to save you time finding great flight deals online. Additionally, we offer filter features so you can choose a preferred cabin class or airline, see different price ranges, and much more so you can book the flight for you.

Why should you use Cheapflights to find cheap flight tickets from Cairns to Sydney?

Cheapflights helps you find that perfect flight to Sydney from Cairns by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Cairns to Sydney with no change fees?

Yes! Cheapflights helps users easily find flights from Cairns to Sydney with no change fees.

Can Cheapflights notify me if prices for flights from Cairns to Sydney become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Sydney from Cairns today and book when prices fit your budget.

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