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Cheap flights from Cairns to Sydney from C$ 116

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 6/6. Fares are subject to change and may not be available on all flights or dates of travel.
CNS — SYD
25 May — 1 Jun1
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 25 April 2026.

Fri 16/106:15 p.m.
CNS
-
SYD
Nonstop2h 55m
Virgin Australia
Sun 18/103:10 p.m.
SYD
-
CNS
Nonstop3h 15m
Virgin Australia
Deal found 22/4C$ 194
Fri 16/106:15 p.m.
CNS
-
SYD
Nonstop2h 55m
Virgin Australia
Tue 20/108:10 a.m.
SYD
-
CNS
Nonstop3h 15m
Virgin Australia
Deal found 23/4C$ 211
Thu 4/67:10 p.m.
CNS
-
SYD
Nonstop2h 55m
Jetstar
Tue 9/66:10 a.m.
SYD
-
CNS
Nonstop3h 10m
Jetstar
Deal found 25/4C$ 219
Thu 4/67:10 p.m.
CNS
-
SYD
Nonstop2h 55m
Jetstar
Mon 8/66:10 a.m.
SYD
-
CNS
Nonstop3h 10m
Jetstar
Deal found 23/4C$ 220
Wed 20/510:15 a.m.
CNS
-
SYD
Nonstop2h 55m
Jetstar
Wed 27/56:10 a.m.
SYD
-
CNS
Nonstop3h 10m
Jetstar
Deal found 22/4C$ 227
Sat 23/57:10 p.m.
CNS
-
SYD
Nonstop2h 55m
Jetstar
Sat 30/53:15 p.m.
SYD
-
CNS
Nonstop3h 10m
Jetstar
Deal found 23/4C$ 234
Fri 22/57:10 p.m.
CNS
-
SYD
Nonstop2h 55m
Jetstar
Sun 24/56:10 a.m.
SYD
-
CNS
Nonstop3h 10m
Jetstar
Deal found 21/4C$ 253
Fri 1/57:10 p.m.
CNS
-
SYD
Nonstop2h 55m
Jetstar
Sat 2/56:10 a.m.
SYD
-
CNS
Nonstop3h 10m
Jetstar
Deal found 21/4C$ 263
Wed 13/56:45 a.m.
CNS
-
SYD
Nonstop3h 00m
Jetstar
Sun 17/56:10 a.m.
SYD
-
CNS
Nonstop3h 10m
Jetstar
Deal found 21/4C$ 285
Sat 13/69:40 a.m.
CNS
-
SYD
1 stop6h 15m
Jetstar
Wed 17/63:15 p.m.
SYD
-
CNS
Nonstop3h 10m
Jetstar
Deal found 21/4C$ 294
Fri 24/47:10 p.m.
CNS
-
SYD
Nonstop2h 55m
Jetstar
Sun 3/56:10 a.m.
SYD
-
CNS
Nonstop3h 10m
Jetstar
Deal found 20/4C$ 296
Fri 22/53:35 p.m.
CNS
-
SYD
1 stop6h 40m
Jetstar
Fri 29/53:15 p.m.
SYD
-
CNS
Nonstop3h 10m
Jetstar
Deal found 24/4C$ 305

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 25 April 2026.

Round-trip from

C$ 194

One-way from

C$ 116

Popular in

April

Cheapest in

June

Average price

C$ 342

Good one-way deal

C$ 172 or less
Virgin Australia
  • Virgin Australia
  • 16/10-18/10
  • Nonstop
  • 6h 10m total
  • Cairns to Sydney
Search Deals
Virgin Australia
  • Virgin Australia
  • 6/6
  • Nonstop
  • 2h 55m total
  • Cairns to Sydney
Search Deals
Highest demand for flights based on searches. 12% potential increase in price (C$ 53 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease (C$ 10 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 25 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

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Fri 12/6

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

Nonstop3h 00m

Sydney Kingsford Smith

Sun 21/6

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

Nonstop3h 10m

C$ 219
Quickest round-trip

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Wed 20/5

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

Nonstop2h 55m

Sydney Kingsford Smith

Wed 27/5

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

Nonstop3h 10m

C$ 227

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Sat 23/5

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

Nonstop2h 55m

Sydney Kingsford Smith

Sat 30/5

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

Nonstop3h 10m

C$ 234

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Sat 13/6

9:40 a.m.-3:55 p.m.

1 stop6h 15m

Sydney Kingsford Smith

Wed 17/6

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

Nonstop3h 10m

C$ 294

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Fri 29/5

3:35 p.m.-9:05 p.m.

1 stop5h 30m

Sydney Kingsford Smith

Tue 2/6

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

Nonstop3h 10m

C$ 328

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Sun 7/6

1:55 p.m.-10:20 p.m.

1 stop8h 25m

Sydney Kingsford Smith

Sun 14/6

3:10 p.m.-6:25 p.m.

Nonstop3h 15m

C$ 330

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Thu 18/6

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

Nonstop2h 55m

Sydney Kingsford Smith

Sun 21/6

3:10 p.m.-6:25 p.m.

Nonstop3h 15m

C$ 331

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Fri 5/6

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

Nonstop2h 55m

Sydney Kingsford Smith

Fri 12/6

3:10 p.m.-6:25 p.m.

Nonstop3h 15m

C$ 352

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Mon 8/6

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

Nonstop3h 00m

Sydney Kingsford Smith

Mon 15/6

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

Nonstop3h 10m

C$ 374
Cheapest one-way
Quickest one-way

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Fri 7/8

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

Nonstop2h 55m

C$ 118

Flights are sorted by cheapest round-trip flights first.

Deals found on 24/4

Showing 1-10 of 19 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?

The best time to book flights from Cairns to Sydney is 37 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, June is the cheapest month in which you can book a flight from Cairns to Sydney (average of C$ 209). Flying from Cairns to Sydney in April is currently the most expensive (average of C$ 342). 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 25 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 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: LATAM Airlines (90%), Qatar Airways (89%), American Airlines (86%).

  • What are the cheapest flights from Cairns to Sydney?

    The cheapest flight price from Cairns to Sydney is C$ 147. On average you can expect to pay C$ 192. The most popular route, (Cairns - Sydney Kingsford Smith), can usually be booked for C$ 363.

  • 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, June is the cheapest month in which you can book a flight from Cairns to Sydney (average of C$ 209). Flying from Cairns to Sydney in April is currently the most expensive (average of C$ 342). 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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