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Cheap flights from Cairns to Sydney from C$ 109

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 10/1. Fares are subject to change and may not be available on all flights or dates of travel.
CNS — SYD
25 Nov — 2 Dec1
1 adult
1 adult, Economy, 0 bags

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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 October 2025.

Tue 9/126:40 a.m.CNS - SYD
Nonstop3h 00mJetstar
Tue 16/128:25 p.m.SYD - CNS
Nonstop3h 05mJetstar
Deal found 25/10C$ 222
Thu 11/125:35 p.m.CNS - SYD
Nonstop3h 00mVirgin Australia
Sat 13/121:00 p.m.SYD - CNS
1 stop4h 40mVirgin Australia
Deal found 23/10C$ 299
Mon 1/126:00 a.m.CNS - SYD
1 stop5h 40mVirgin Australia
Mon 1/122:40 p.m.SYD - CNS
Nonstop3h 05mVirgin Australia
Deal found 25/10C$ 337
Sat 20/126:05 p.m.CNS - SYD
Nonstop3h 00mJetstar
Mon 5/18:25 p.m.SYD - CNS
Nonstop3h 05mJetstar
Deal found 26/10C$ 341
Tue 9/126:00 a.m.CNS - SYD
1 stop4h 40mVirgin Australia
Tue 16/127:30 a.m.SYD - CNS
1 stop4h 30mVirgin Australia
Deal found 25/10C$ 371
Mon 8/126:00 a.m.CNS - SYD
1 stop6h 40mVirgin Australia
Mon 15/126:00 p.m.SYD - CNS
1 stop6h 05mVirgin Australia
Deal found 24/10C$ 417
Fri 12/1211:40 a.m.CNS - SYD
1 stop5h 30mVirgin Australia
Sun 14/127:00 a.m.SYD - CNS
1 stop5h 00mVirgin Australia
Deal found 25/10C$ 418
Sat 13/1211:35 a.m.CNS - SYD
1 stop6h 50mMultiple Airlines
Sat 13/128:25 p.m.SYD - CNS
Nonstop3h 05mMultiple Airlines
Deal found 24/10C$ 480
Sat 8/116:40 a.m.CNS - SYD
Nonstop3h 00mMultiple Airlines
Mon 10/114:15 p.m.SYD - CNS
1 stop7h 50mMultiple Airlines
Deal found 24/10C$ 491

Cheap 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 October 2025.

Round-trip from

C$ 214

One-way from

C$ 109

Popular in

October

Cheapest in

March

Average price

C$ 347

Good one-way deal

C$ 167 or less
Jetstar
  • Jetstar
  • 1/3-8/3
  • Nonstop
  • 6h 00m total
  • Cairns to Sydney
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Virgin Australia
  • Virgin Australia
  • 10/1
  • Nonstop
  • 3h 00m total
  • Cairns to Sydney
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (C$ 44 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease (C$ 12 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in October 2025
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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 26 October 2025.
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

Wed 22/4

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

Nonstop2h 55m

Sydney Kingsford Smith

Wed 29/4

8:10 a.m.-11:25 a.m.

Nonstop3h 15m

C$ 217

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Wed 22/4

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

Nonstop2h 55m

Sydney Kingsford Smith

Sat 25/4

6:50 a.m.-10:05 a.m.

Nonstop3h 15m

C$ 217

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Tue 9/12

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

Nonstop3h 00m

Sydney Kingsford Smith

Tue 16/12

8:25 p.m.-10:30 p.m.

Nonstop3h 05m

C$ 222

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Mon 2/3

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

Nonstop3h 00m

Sydney Kingsford Smith

Sun 8/3

8:10 a.m.-10:15 a.m.

Nonstop3h 05m

C$ 245

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Mon 23/2

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

Nonstop3h 00m

Sydney Kingsford Smith

Wed 25/2

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

Nonstop3h 00m

C$ 250

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Mon 12/1

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

1 stop6h 00m

Sydney Kingsford Smith

Tue 13/1

12:50 p.m.-2:55 p.m.

Nonstop3h 05m

C$ 288

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Tue 13/1

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

Nonstop3h 00m

Sydney Kingsford Smith

Tue 20/1

7:00 a.m.-11:00 a.m.

1 stop5h 00m

C$ 294

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Thu 11/12

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

Nonstop3h 00m

Sydney Kingsford Smith

Sat 13/12

1:00 p.m.-4:40 p.m.

1 stop4h 40m

C$ 299

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Mon 23/2

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

Nonstop3h 00m

Sydney Kingsford Smith

Mon 2/3

3:25 p.m.-5:30 p.m.

Nonstop3h 05m

C$ 304

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Wed 25/3

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

Nonstop3h 00m

Sydney Kingsford Smith

Sun 29/3

3:10 p.m.-5:25 p.m.

Nonstop3h 15m

C$ 322

Flights are sorted by cheapest round-trip flights first.

Deals found on 25/10

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 24 October 2025.

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, February 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$ 139). 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 October 2025.

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 6 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: American Airlines (91%), Cathay Pacific (88%), Qantas Airways (86%).

  • 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$ 197. The most popular route, (Cairns - Sydney Kingsford Smith), can usually be booked for C$ 371.

  • 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, February 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$ 139). 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?

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Bondi Beach
Parramatta
Penrith

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

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

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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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