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.

Which airline has the best punctuality record on Cairns to Sydney flights?

Over the past year, Jetstar has had the lowest number of delays on this route, with just 13% of flights being delayed.

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 Thursday has historically faced a higher average of delays compared to other days of the week.

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 98 minutes.

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 2h 55m. Cairns and Sydney are separated by a distance of 1970 km. Generally, flights for this route are direct.

Weekly flight availability from Cairns to Sydney

The most flights from CNS to SYD are scheduled on a Monday (36 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (23 on average).

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 mm per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

What are the cheapest flights from Cairns to Sydney?

The cheapest flight price from Cairns to Sydney is C$ 168. On average you can expect to pay C$ 263. The most popular route, (Cairns - Sydney Kingsford Smith), can usually be booked for C$ 368.

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 (94%), Japan Airlines (94%), Qatar Airways (93%).

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.

C$ 146+ Cheap Flights from Cairns to Sydney

Cheap flight deals from Cairns to Sydney

Enter your travel dates to find the best prices.

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Best

Direct

Last-minute

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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 1 September 2026.

Thu 22/106:10 p.m. -

Nonstop2h 55m

Sat 24/106:10 a.m. -

Nonstop3h 10m

Deal found 31/8C$ 246

Thu 22/106:10 p.m. -

Nonstop2h 55m

Tue 27/106:20 a.m. -

Nonstop3h 00m

Deal found 27/8C$ 248

Thu 17/97:10 p.m. -

Nonstop2h 55m

Mon 21/97:15 p.m. -

Nonstop3h 10m

Deal found 31/8C$ 254

Thu 17/97:10 p.m. -

Nonstop2h 55m

Sat 19/97:15 p.m. -

Nonstop3h 10m

Deal found 31/8C$ 268

Sat 28/116:40 a.m. -

Nonstop3h 00m

Fri 4/126:20 a.m. -

Nonstop3h 00m

Deal found 30/8C$ 278

Sat 12/96:45 a.m. -

Nonstop3h 00m

Mon 14/97:15 p.m. -

Nonstop3h 10m

Deal found 29/8C$ 283

Fri 23/106:10 p.m. -

Nonstop2h 55m

Thu 29/103:25 p.m. -

Nonstop3h 05m

Deal found 31/8C$ 297

Tue 15/96:45 a.m. -

Nonstop3h 00m

Tue 15/97:15 p.m. -

Nonstop3h 10m

Deal found 31/8C$ 305

Mon 14/96:45 a.m. -

Nonstop3h 00m

Wed 16/97:15 p.m. -

Nonstop3h 10m

Deal found 28/8C$ 307

Find flight deals from Cairns to Sydney

Round-trip from	C$ 235
One-way from	C$ 146
Popular in	March
Cheapest in	January
Average price	C$ 309
Good one-way deal	C$ 201 or less

Jetstar
17/9-21/9
Nonstop
6h 05m total
Cairns to Sydney

Search Deals

Jetstar
15/2
Nonstop
3h 00m total
Cairns to Sydney

Search Deals

Highest demand for flights based on searches. 0% potential increase in price (C$ 0 potential increase over avg. RT price).

Search Deals

Cheapest flight prices on average. 1% potential price decrease (C$ 7 potential savings vs. average RT price).

Search Deals

Average for round-trip flights in September 2026

Search Deals

Price to beat on a one-way flight from Cairns to Sydney Kingsford Smith.

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

Quickest round-trip

CairnsSydney

CNS Cairns - SYD Sydney Kingsford Smith

CNSSYD

Cairns

Thu 22/10

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

Nonstop2h 55m

Sydney Kingsford Smith

Sat 24/10

6:10 a.m.-8:20 a.m.

Nonstop3h 10m

C$ 246

CairnsSydney

CNS Cairns - SYD Sydney Kingsford Smith

CNSSYD

Cairns

Thu 17/9

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

Nonstop2h 55m

Sydney Kingsford Smith

Sat 19/9

7:15 p.m.-10:25 p.m.

Nonstop3h 10m

C$ 268

CairnsSydney

CNS Cairns - SYD Sydney Kingsford Smith

CNSSYD

Cairns

Tue 29/9

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

Nonstop2h 55m

Sydney Kingsford Smith

Tue 20/10

8:15 p.m.-10:25 p.m.

Nonstop3h 10m

C$ 268

CairnsSydney

CNS Cairns - SYD Sydney Kingsford Smith

CNSSYD

Cairns

Tue 15/9

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

Nonstop3h 00m

Sydney Kingsford Smith

Tue 15/9

7:15 p.m.-10:25 p.m.

Nonstop3h 10m

C$ 305

CairnsSydney

CNS Cairns - SYD Sydney Kingsford Smith

CNSSYD

Cairns

Sun 27/9

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

Nonstop3h 00m

Sydney Kingsford Smith

Mon 5/10

8:15 p.m.-10:25 p.m.

Nonstop3h 10m

C$ 371

CairnsSydney

CNS Cairns - SYD Sydney Kingsford Smith

CNSSYD

Cairns

Thu 17/9

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

1 stop6h 40m

Sydney Kingsford Smith

Mon 21/9

8:00 a.m.-1:10 p.m.

1 stop5h 10m

C$ 408

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

Sat 7/11

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

1 stop4h 40m

C$ 432

CairnsSydney

CNS Cairns - SYD Sydney Kingsford Smith

CNSSYD

Cairns

Mon 19/10

2:50 p.m.-10:20 p.m.

1 stop6h 30m

Sydney Kingsford Smith

Fri 30/10

7:30 p.m.-11:05 p.m.

1 stop4h 35m

C$ 432

CairnsSydney

CNS Cairns - SYD Sydney Kingsford Smith

CNSSYD

Cairns

Tue 8/12

11:40 a.m.-5:40 p.m.

1 stop5h 00m

Sydney Kingsford Smith

Fri 11/12

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

1 stop5h 00m

C$ 432

CairnsSydney

CNS Cairns - SYD Sydney Kingsford Smith

CNSSYD

Cairns

Thu 17/9

11:50 a.m.-6:10 p.m.

1 stop6h 20m

Sydney Kingsford Smith

Sat 19/9

7:00 a.m.-1:10 p.m.

1 stop6h 10m

C$ 432

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/9

Showing 1-10 of 22 resultsSorted by cheapest first

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.

CNS-SYD

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

Prices

Airlines

Delays

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$ 221 and C$ 408 in October.
The cheapest round-trip price found within the last 5 days was C$ 246 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 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: LATAM Airlines (94%), Japan Airlines (94%), Qatar Airways (93%).
What are the cheapest flights from Cairns to Sydney?
The cheapest flight price from Cairns to Sydney is C$ 168. On average you can expect to pay C$ 263. The most popular route, (Cairns - Sydney Kingsford Smith), can usually be booked for C$ 368.
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.

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Cheap flights from Cairns to Sydney from C$ 146

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 15/2. 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 1 September 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 1 September 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 1 September 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 1 September 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 1 September 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 1 September 2026.

Last-minute flights from Cairns to SydneyDiscover last-minute flight deals from Cairns to Sydney. Data last updated 1 September 2026 and is based on user searches.

Discover last-minute flight deals from Cairns to Sydney. Data last updated 1 September 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 1 September 2026.

Search for one-way flight options from Cairns to Sydney. Find affordable one-way fares based on user searches. Data last updated 1 September 2026.

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Cheapflights Insights

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?

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$ 221 and C$ 408 in October.The cheapest round-trip price found within the last 5 days was C$ 246 on Jetstar (22 Oct-24 Oct).

Weekly flight availability from Cairns to Sydney

The most flights from CNS to SYD are scheduled on a Monday (36 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (23 on average).

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 98 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 Thursday 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, Jetstar has had the lowest number of delays on this route, with just 13% of flights being delayed.

Related info for your journey

How popular is this Cairns to Sydney flight route?

How long is the flight from Cairns to Sydney?

What are the most reliable airlines from Cairns to Sydney?

What are the cheapest flights from Cairns to Sydney?

Can I find deals for flights from Cairns to Sydney that include hotel bookings?

How can I find direct flights from Cairns to Sydney?

Can I find deals for business class flights from Cairns to Sydney?

What is the cheapest month to book a flight from Cairns to Sydney?

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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 1 September 2026.

Best flights from Cairns to Sydney
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 1 September 2026.

Direct flights from Cairns to Sydney
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 1 September 2026.

Last-minute flights from Cairns to Sydney
Discover last-minute flight deals from Cairns to Sydney. Data last updated 1 September 2026 and is based on user searches.

One-way flights from Cairns to Sydney
Search for one-way flight options from Cairns to Sydney. Find affordable one-way fares based on user searches. Data last updated 1 September 2026.

Cairns to Sydney flights typically cost between C$ 221 and C$ 408 in October.
The cheapest round-trip price found within the last 5 days was C$ 246 on Jetstar (22 Oct-24 Oct).