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Cheap flights from Cairns to Sydney from C$ 148

CNS — SYD
12 Oct — 19 Oct1
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

Thu 22/106:10 p.m. -
Nonstop2h 55m
Sat 24/103:15 p.m. -
Nonstop3h 10m
Deal found 7/9C$ 241
Sat 12/126:05 p.m. -
Nonstop3h 00m
Sun 13/126:20 a.m. -
Nonstop3h 00m
Deal found 11/9C$ 258
Sun 18/106:10 p.m. -
Nonstop2h 55m
Sat 24/108:15 p.m. -
Nonstop3h 10m
Deal found 11/9C$ 267
Thu 22/106:10 p.m. -
Nonstop2h 55m
Sun 25/106:20 a.m. -
Nonstop3h 00m
Deal found 11/9C$ 276
Thu 10/126:05 p.m. -
Nonstop3h 00m
Sat 12/126:20 a.m. -
Nonstop3h 00m
Deal found 10/9C$ 278
Wed 14/106:45 a.m. -
Nonstop3h 00m
Sat 17/108:15 p.m. -
Nonstop3h 10m
Deal found 11/9C$ 283
Wed 9/97:10 p.m. -
Nonstop2h 55m
Sun 13/97:15 p.m. -
Nonstop3h 10m
Deal found 8/9C$ 291
Wed 21/106:10 p.m. -
Nonstop2h 55m
Fri 23/103:15 p.m. -
Nonstop3h 10m
Deal found 10/9C$ 298
Fri 4/126:40 a.m. -
Nonstop3h 00m
Sun 6/1211:25 a.m. -
Nonstop3h 05m
Deal found 9/9C$ 301
Mon 19/106:10 p.m. -
Nonstop2h 55m
Thu 29/106:20 a.m. -
Nonstop3h 00m
Deal found 9/9C$ 321

Find flight deals from Cairns to Sydney

Round-trip from

C$ 241

One-way from

C$ 148

Popular in

March

Cheapest in

January

Average price

C$ 312

Good one-way deal

C$ 158 or less
Jetstar
  • Jetstar
  • 22/10-24/10
  • Nonstop
  • 6h 05m total
  • Cairns to Sydney
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Jetstar
  • Jetstar
  • 14/11-31/12
  • Nonstop
  • 3h 00m total
  • Cairns to Sydney
Search Deals
High demand for flights, 0% potential price rise
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Cheapest flight prices on average. 1% potential price decrease (C$ 7 potential savings vs. average RT price).
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Average for round-trip flights in September 2026
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Price to beat on a one-way flight from Cairns to Sydney Kingsford Smith.
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Cheapflights Fare Finder

 
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 Cairns - SYD Sydney Kingsford Smith

CNSSYD

Cairns

Sat 14/11

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

Nonstop3h 00m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 148

CairnsSydney

CNS Cairns - SYD Sydney Kingsford Smith

CNSSYD

Cairns

Wed 18/11

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

Nonstop3h 00m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 150

CairnsSydney

CNS Cairns - SYD Sydney Kingsford Smith

CNSSYD

Cairns

Tue 2/3

10:55 a.m.-2:55 p.m.

Nonstop3h 00m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 154

CairnsSydney

CNS Cairns - SYD Sydney Kingsford Smith

CNSSYD

Cairns

Tue 22/12

5:35 p.m.-9:35 p.m.

Nonstop3h 00m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 154

CairnsSydney

CNS Cairns - SYD Sydney Kingsford Smith

CNSSYD

Cairns

Tue 16/2

3:45 p.m.-7:45 p.m.

Nonstop3h 00m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 154

CairnsSydney

CNS Cairns - SYD Sydney Kingsford Smith

CNSSYD

Cairns

Thu 29/10

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

Nonstop3h 00m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 172

CairnsSydney

CNS Cairns - SYD Sydney Kingsford Smith

CNSSYD

Cairns

Sun 8/11

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

Nonstop3h 00m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 197

CairnsSydney

CNS Cairns - SYD Sydney Kingsford Smith

CNSSYD

Cairns

Sun 4/10

9:20 a.m.-5:40 p.m.

1 stop7h 20m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 216

CairnsSydney

CNS Cairns - SYD Sydney Kingsford Smith

CNSSYD

Cairns

Fri 25/9

6:00 a.m.-11:40 a.m.

1 stop5h 40m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 216

CairnsSydney

CNS Cairns - SYD Sydney Kingsford Smith

CNSSYD

Cairns

Thu 24/9

6:00 a.m.-12:40 p.m.

1 stop6h 40m

Sydney Kingsford Smith

Wed 31/12

12:00 a.m.-12:00 a.m.

Nonstop0h 00m

C$ 216

Flights are sorted by cheapest round-trip flights first.

Deals found on 7/9

Showing 1-10 of 23 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

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?

The best time to book flights from Cairns to Sydney is 90 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$ 223). Flying from Cairns to Sydney in March is currently the most expensive (average of C$ 352). 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?

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?

Airfare is typical for this route at the moment.

Cairns to Sydney flights typically cost between C$ 231 and C$ 410 in October.
The cheapest round-trip price found within the last 5 days was C$ 241 on Jetstar (22 Oct-24 Oct).

Related info for your journey

  • How popular is this Cairns to Sydney flight route?

    This flight path from Cairns to Sydney Kingsford Smith was viewed by 1 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 3h. 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: Qatar Airways (91%), Japan Airlines (90%), Air India (89%).

  • What are the cheapest flights from Cairns to Sydney?

    The cheapest flight price from Cairns to Sydney is C$ 138. On average you can expect to pay C$ 359. The most popular route, (Cairns - Sydney Kingsford Smith), can usually be booked for C$ 367.

  • 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$ 223). Flying from Cairns to Sydney in March is currently the most expensive (average of C$ 352). 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

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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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