Cheap flights from Cairns to Sydney from C$ 148
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 22/10. Fares are subject to change and may not be available on all flights or dates of travel.
Cheap flight deals from Cairns to Sydney
Cheapest flights from Cairns to SydneyExplore 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 8 October 2026.
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 8 October 2026.
Best flights from Cairns to SydneyDiscover carefully curated flight deals from Cairns to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 8 October 2026.
Discover carefully curated flight deals from Cairns to Sydney that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated 8 October 2026.
Direct flights from Cairns to SydneyExplore direct flight options from Cairns to Sydney based on user searches, and compare prices and availability for your desired travel dates. Data last updated 8 October 2026.
Explore direct flight options from Cairns to Sydney based on user searches, and compare prices and availability for your desired travel dates. Data last updated 8 October 2026.
Last-minute flights from Cairns to SydneyDiscover last-minute flight deals from Cairns to Sydney. Data last updated 8 October 2026 and is based on user searches.
Discover last-minute flight deals from Cairns to Sydney. Data last updated 8 October 2026 and is based on user searches.
One-way flights from Cairns to SydneySearch for one-way flight options from Cairns to Sydney. Find affordable one-way fares based on user searches. Data last updated 8 October 2026.
Search for one-way flight options from Cairns to Sydney. Find affordable one-way fares based on user searches. Data last updated 8 October 2026.
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 8 October 2026.
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
CairnsSydney
CNS Cairns - SYD Sydney Kingsford Smith
CNSSYD
Cairns
Sat 6/3
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
CairnsSydney
CNS Cairns - SYD Sydney Kingsford Smith
CNSSYD
Cairns
Wed 28/10
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
CairnsSydney
CNS Cairns - SYD Sydney Kingsford Smith
CNSSYD
Cairns
Fri 27/11
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
CairnsSydney
CNS Cairns - SYD Sydney Kingsford Smith
CNSSYD
Cairns
Tue 23/2
11:40 a.m.-5:40 p.m.
1 stop5h 00m
Sydney Kingsford Smith
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
CairnsSydney
CNS Cairns - SYD Sydney Kingsford Smith
CNSSYD
Cairns
Tue 3/11
6:00 a.m.-2:40 p.m.
1 stop7h 40m
Sydney Kingsford Smith
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
CairnsSydney
CNS Cairns - SYD Sydney Kingsford Smith
CNSSYD
Cairns
Mon 19/10
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
CairnsSydney
CNS Cairns - SYD Sydney Kingsford Smith
CNSSYD
Cairns
Fri 26/3
11:40 a.m.-6:40 p.m.
1 stop6h 00m
Sydney Kingsford Smith
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
CairnsSydney
CNS Cairns - SYD Sydney Kingsford Smith
CNSSYD
Cairns
Thu 31/12
2:40 p.m.-10:25 p.m.
1 stop6h 45m
Sydney Kingsford Smith
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
CairnsSydney
CNS Cairns - SYD Sydney Kingsford Smith
CNSSYD
Cairns
Wed 17/2
6:00 a.m.-11:40 a.m.
1 stop4h 40m
Sydney Kingsford Smith
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
CairnsSydney
CNS Cairns - SYD Sydney Kingsford Smith
CNSSYD
Cairns
Tue 13/10
6:00 a.m.-12:40 p.m.
1 stop5h 40m
Sydney Kingsford Smith
Wed 31/12
12:00 a.m.-12:00 a.m.
Nonstop0h 00m
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.
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$ 229). Flying from Cairns to Sydney in October is currently the most expensive (average of C$ 359). 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 often are flights from Cairns to Sydney delayed?
About 13% of weekly flights between Cairns and Sydney have experienced delays in the past year, with the average delay time being 99 minutes.
What is the most punctual flight time for Cairns to Sydney flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Sunday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Cairns to Sydney flights?
Over the past year, Virgin Australia has had the lowest number of delays on this route, with just 13% of flights being delayed.
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.
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Alternative routes for Cairns to Sydney
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Complete your trip
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Direct flights to New South Wales
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Cairns and Sydney flights
Browse other Cairns and Sydney flight options. Last updated on 8 October 2026.
Popular flight searches
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Other flights to Sydney
Explore flights to Sydney departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 8 October 2026.
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Why should you use Cheapflights to find cheap flight tickets from Cairns to Sydney?
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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.