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Cheap flights from Cairns to Sydney from C$ 105

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 3/12. Fares are subject to change and may not be available on all flights or dates of travel.
CNS — SYD
19 ago. — 26 ago.1
1 adult

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 14 agosto 2025.

Round-trip from

C$ 243

One-way from

C$ 105

Popular in

April

Cheapest in

March

Average price

C$ 234

Good one-way deal

C$ 157 or less
Jetstar
  • Jetstar
  • 21/10-24/10
  • Nonstop
  • 6h 00m total
  • Cairns to Sydney
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Virgin Australia
  • Virgin Australia
  • 3/12
  • Nonstop
  • 3h 00m total
  • Cairns to Sydney
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High demand for flights, 5% potential price rise
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Cheapest flight prices on average. 2% potential price decrease (C$ 9 potential savings vs. average RT price).
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Average for round-trip flights in August 2025
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Price to beat on a one-way flight from Cairns to Sydney Kingsford Smith.
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Find flight deals from Cairns to Sydney

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 14 agosto 2025.

mar. 2/96:45 a.m.CNS - SYD
Nonstop3h 00mJetstar
sáb. 6/97:45 p.m.SYD - CNS
Nonstop3h 05mJetstar
Deal found 14/8C$ 171
mar. 21/104:10 p.m.CNS - SYD
Nonstop2h 55mJetstar
vie. 24/108:45 p.m.SYD - CNS
Nonstop3h 05mJetstar
Deal found 13/8C$ 243
mié. 24/95:45 a.m.CNS - SYD
Nonstop2h 55mJetstar
mié. 24/97:45 p.m.SYD - CNS
Nonstop3h 05mJetstar
Deal found 14/8C$ 245
lun. 15/126:40 a.m.CNS - SYD
Nonstop3h 00mJetstar
lun. 15/128:25 p.m.SYD - CNS
Nonstop3h 05mJetstar
Deal found 13/8C$ 261
sáb. 15/116:40 a.m.CNS - SYD
Nonstop3h 00mJetstar
sáb. 15/113:25 p.m.SYD - CNS
Nonstop3h 05mJetstar
Deal found 13/8C$ 263
mié. 12/113:45 p.m.CNS - SYD
Nonstop3h 00mVirgin Australia
dom. 16/118:10 a.m.SYD - CNS
Nonstop3h 05mVirgin Australia
Deal found 14/8C$ 277
mar. 11/112:40 p.m.CNS - SYD
1 stop6h 45mVirgin Australia
sáb. 15/118:10 a.m.SYD - CNS
Nonstop3h 05mVirgin Australia
Deal found 13/8C$ 310
lun. 29/97:00 p.m.CNS - SYD
Nonstop2h 55mJetstar
lun. 6/106:10 a.m.SYD - CNS
Nonstop3h 05mJetstar
Deal found 14/8C$ 327
sáb. 27/97:00 p.m.CNS - SYD
Nonstop2h 55mJetstar
sáb. 4/107:45 p.m.SYD - CNS
Nonstop3h 05mJetstar
Deal found 13/8C$ 331

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 14 agosto 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

mar. 2/9

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

Nonstop3h 00m

Sydney Kingsford Smith

sáb. 6/9

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

Nonstop3h 05m

C$ 171

CairnsSydney

CNS - SYD

CNSSYD

Cairns

mar. 10/2

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

Nonstop3h 00m

Sydney Kingsford Smith

vie. 20/2

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

Nonstop3h 05m

C$ 197

CairnsSydney

CNS - SYD

CNSSYD

Cairns

mar. 21/10

4:10 p.m.-8:05 p.m.

Nonstop2h 55m

Sydney Kingsford Smith

vie. 24/10

8:45 p.m.-10:50 p.m.

Nonstop3h 05m

C$ 243

CairnsSydney

CNS - SYD

CNSSYD

Cairns

mié. 24/9

5:45 a.m.-8:40 a.m.

Nonstop2h 55m

Sydney Kingsford Smith

mié. 24/9

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

Nonstop3h 05m

C$ 245

CairnsSydney

CNS - SYD

CNSSYD

Cairns

lun. 15/12

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

Nonstop3h 00m

Sydney Kingsford Smith

lun. 15/12

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

Nonstop3h 05m

C$ 261

CairnsSydney

CNS - SYD

CNSSYD

Cairns

sáb. 15/11

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

Nonstop3h 00m

Sydney Kingsford Smith

sáb. 15/11

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

Nonstop3h 05m

C$ 263

CairnsSydney

CNS - SYD

CNSSYD

Cairns

mié. 12/11

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

Nonstop3h 00m

Sydney Kingsford Smith

dom. 16/11

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

Nonstop3h 05m

C$ 277

CairnsSydney

CNS - SYD

CNSSYD

Cairns

mar. 11/11

2:40 p.m.-10:25 p.m.

1 stop6h 45m

Sydney Kingsford Smith

sáb. 15/11

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

Nonstop3h 05m

C$ 310

CairnsSydney

CNS - SYD

CNSSYD

Cairns

lun. 29/9

7:00 p.m.-9:55 p.m.

Nonstop2h 55m

Sydney Kingsford Smith

lun. 6/10

6:10 a.m.-8:15 a.m.

Nonstop3h 05m

C$ 327

CairnsSydney

CNS - SYD

CNSSYD

Cairns

sáb. 27/9

7:00 p.m.-9:55 p.m.

Nonstop2h 55m

Sydney Kingsford Smith

sáb. 4/10

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

Nonstop3h 05m

C$ 331

Flights are sorted by cheapest round-trip flights first.

Deals found on 14/8

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 8 August 2025.

The best time to book flights from Cairns to Sydney is 83 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$ 1,326). Flying from Cairns to Sydney in December is currently the most expensive (average of C$ 1,881). 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 14 agosto 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.

Weekly flight availability from Cairns to Sydney

Explore weekly flight availability from Cairns to Sydney. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 14 agosto 2025.

The most flights from CNS to SYD are scheduled on a Thursday (32 on average). You will have fewer flight options on Monday, which is when the least amount of flights are scheduled (24 on average).

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.

  • 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: Qantas Airways (79%), Air Canada (77%), Qatar Airways (77%).

  • What are the cheapest flights from Cairns to Sydney?

    The cheapest flight price from Cairns to Sydney is C$ 101. On average you can expect to pay C$ 278. The most popular route, (Cairns - Sydney Kingsford Smith), can usually be booked for C$ 365.

  • 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$ 1,326). Flying from Cairns to Sydney in December is currently the most expensive (average of C$ 1,881). 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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Parramatta
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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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