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Cheap flights from Cairns to Sydney from C$ 111

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 21/5. Fares are subject to change and may not be available on all flights or dates of travel.
CNS — SYD
6 May — 13 May1
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 6 April 2026.

Fri 11/97:10 p.m.
CNS
-
SYD
Nonstop2h 55m
Jetstar
Sun 13/93:15 p.m.
SYD
-
CNS
Nonstop3h 10m
Jetstar
Deal found 6/4C$ 191
Wed 20/57:10 p.m.
CNS
-
SYD
Nonstop2h 55m
Jetstar
Wed 27/53:15 p.m.
SYD
-
CNS
Nonstop3h 10m
Jetstar
Deal found 5/4C$ 223
Wed 8/77:10 p.m.
CNS
-
SYD
Nonstop2h 55m
Jetstar
Mon 13/77:15 p.m.
SYD
-
CNS
Nonstop3h 10m
Jetstar
Deal found 3/4C$ 251
Tue 25/86:45 a.m.
CNS
-
SYD
Nonstop3h 00m
Jetstar
Tue 8/96:10 a.m.
SYD
-
CNS
Nonstop3h 10m
Jetstar
Deal found 2/4C$ 252
Tue 8/97:10 p.m.
CNS
-
SYD
Nonstop2h 55m
Jetstar
Tue 22/96:10 a.m.
SYD
-
CNS
Nonstop3h 10m
Jetstar
Deal found 2/4C$ 259
Mon 18/510:15 a.m.
CNS
-
SYD
Nonstop2h 55m
Jetstar
Mon 25/53:15 p.m.
SYD
-
CNS
Nonstop3h 10m
Jetstar
Deal found 3/4C$ 267
Wed 29/46:45 a.m.
CNS
-
SYD
Nonstop3h 00m
Jetstar
Mon 4/56:10 a.m.
SYD
-
CNS
Nonstop3h 10m
Jetstar
Deal found 2/4C$ 274
Wed 8/77:10 p.m.
CNS
-
SYD
Nonstop2h 55m
Jetstar
Sun 12/77:15 p.m.
SYD
-
CNS
Nonstop3h 10m
Jetstar
Deal found 3/4C$ 295
Fri 22/53:35 p.m.
CNS
-
SYD
1 stop6h 40m
Jetstar
Mon 25/53:15 p.m.
SYD
-
CNS
Nonstop3h 10m
Jetstar
Deal found 4/4C$ 309
Thu 21/54:35 p.m.
CNS
-
SYD
Nonstop2h 55m
Virgin Australia
Sun 24/58:10 a.m.
SYD
-
CNS
Nonstop3h 15m
Virgin Australia
Deal found 5/4C$ 316
Tue 28/46:45 a.m.
CNS
-
SYD
Nonstop3h 00m
Jetstar
Tue 5/56:05 a.m.
SYD
-
CNS
1 stop10h 55m
Jetstar
Deal found 6/4C$ 323
Sun 19/46:45 a.m.
CNS
-
SYD
Nonstop3h 00m
Jetstar
Thu 7/56:10 a.m.
SYD
-
CNS
Nonstop3h 10m
Jetstar
Deal found 2/4C$ 326

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 6 April 2026.

Round-trip from

C$ 214

One-way from

C$ 116

Popular in

April

Cheapest in

June

Average price

C$ 355

Good one-way deal

C$ 175 or less
Jetstar
  • Jetstar
  • 29/4-6/5
  • Nonstop
  • 6h 05m total
  • Cairns to Sydney
Search Deals
Jetstar
  • Jetstar
  • 21/6
  • Nonstop
  • 3h 00m total
  • Cairns to Sydney
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 52 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 11 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in April 2026
Search Deals
Price to beat on a one-way flight from Cairns to Sydney Kingsford Smith.
Search Deals

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 6 April 2026.
Use the filters below to find and compare flights from Cairns to Sydney that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip
Quickest round-trip

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Wed 20/5

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

Nonstop2h 55m

Sydney Kingsford Smith

Wed 27/5

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

Nonstop3h 10m

C$ 223

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Tue 25/8

6:45 a.m.-9:45 a.m.

Nonstop3h 00m

Sydney Kingsford Smith

Tue 8/9

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

Nonstop3h 10m

C$ 252

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Tue 8/9

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

Nonstop2h 55m

Sydney Kingsford Smith

Tue 22/9

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

Nonstop3h 10m

C$ 259

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Fri 22/5

6:45 a.m.-9:45 a.m.

Nonstop3h 00m

Sydney Kingsford Smith

Mon 25/5

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

Nonstop3h 10m

C$ 267

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Thu 21/5

4:35 p.m.-7:30 p.m.

Nonstop2h 55m

Sydney Kingsford Smith

Sun 24/5

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

Nonstop3h 15m

C$ 316

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Tue 28/4

6:45 a.m.-9:45 a.m.

Nonstop3h 00m

Sydney Kingsford Smith

Tue 5/5

6:05 a.m.-5:00 p.m.

1 stop10h 55m

C$ 323

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Thu 25/6

10:15 a.m.-1:10 p.m.

Nonstop2h 55m

Sydney Kingsford Smith

Sun 28/6

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

Nonstop3h 10m

C$ 326

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Sun 19/4

6:45 a.m.-9:45 a.m.

Nonstop3h 00m

Sydney Kingsford Smith

Thu 7/5

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

Nonstop3h 10m

C$ 326

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Fri 25/9

1:30 p.m.-4:25 p.m.

Nonstop2h 55m

Sydney Kingsford Smith

Sun 27/9

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

Nonstop3h 10m

C$ 331
Cheapest one-way

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Sun 21/6

6:45 a.m.-9:45 a.m.

Nonstop3h 00m

C$ 116

Flights are sorted by cheapest round-trip flights first.

Deals found on 5/4

Showing 1-10 of 18 resultsSorted by cheapest first
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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 3 April 2026.

The best time to book flights from Cairns to Sydney is 38 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, January is the cheapest month in which you can book a flight from Cairns to Sydney (average of C$ 77). Flying from Cairns to Sydney in March is currently the most expensive (average of C$ 171). 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 6 April 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.

How much does it cost to fly round-trip from Cairns to Sydney?

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 3 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: IndiGo (84%), Virgin Australia (80%), Singapore Airlines (80%).

  • What are the cheapest flights from Cairns to Sydney?

    The cheapest flight price from Cairns to Sydney is C$ 150. On average you can expect to pay C$ 191. The most popular route, (Cairns - Sydney Kingsford Smith), can usually be booked for C$ 369.

  • 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, January is the cheapest month in which you can book a flight from Cairns to Sydney (average of C$ 77). Flying from Cairns to Sydney in March is currently the most expensive (average of C$ 171). 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

See prices for flight routes from nearby airports that may be better suited for you.
Brisbane to Sydney flights

Fly with Cheapflights

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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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