What day of the week experiences the fewest flight delays on this route?

Sunday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

What is the cheapest airline that flies from Cairns to Sydney Kingsford Smith?

Jetstar and Virgin Australia are the most popular carriers operating from Cairns to Sydney Kingsford Smith

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

According to our data, Aruba Airlines have had the fewest delays on this route over the last 12 months, with about 8% of their flights experiencing any sort of delay.

What is the most punctual flight time for Cairns to Sydney flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

How many flights depart from Cairns to Sydney on average per week?

235 flights are operational weekly from Cairns to Sydney as of December 2025. The most popular departure day for this route is Thu, with 16% of flights per week taking off on this day.

How often are flights from Cairns to Sydney delayed?

Historically, on average around 13% of flights between Cairns and Sydney have experienced a delay on any given week. The average delay length over the past 12 months has been 97 minutes.

How many flights depart from Cairns to Sydney on average per day?

The number of flights available between Cairns and Sydney is 33 per day as of December 2025. The most frequent departure time is 12:00, with 65% of daily flights leaving in the afternoon.

When did momondo last update prices for flights from Cairns Airport to Sydney Kingsford Smith Airport?

Prices for flights from Cairns Airport to Sydney Kingsford Smith Airport are updated daily.

How old do you have to be to fly from Cairns Airport to Sydney Kingsford Smith Airport?

Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Cairns Airport to Sydney Kingsford Smith Airport.

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

The travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

£72 Cheap Flights from Cairns to Sydney in 2025/26

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06:40 - 10:40

CNS

SYD

3h 00mdirect

06:20 - 08:20

SYD

CNS

3h 00mdirect

£108Jetstar

Wed, 21 Jan - Fri, 30 Jan

18:05 - 22:05

CNS

SYD

3h 00mdirect

06:20 - 08:20

SYD

CNS

3h 00mdirect

£109Jetstar

Thu, 22 Jan - Wed, 28 Jan

19:10 - 22:05

CNS

SYD

2h 55mdirect

15:15 - 18:25

SYD

CNS

3h 10mdirect

£112Jetstar

Mon, 20 Apr - Fri, 24 Apr

17:35 - 21:35

CNS

SYD

3h 00mdirect

12:50 - 14:55

SYD

CNS

3h 05mdirect

£123Virgin Australia

Thu, 29 Jan - Thu, 5 Feb

12:55 - 21:40

CNS

SYD

7h 45m1 stop

06:20 - 08:20

SYD

CNS

3h 00mdirect

£147Jetstar

Wed, 21 Jan - Fri, 30 Jan

17:35 - 21:35

CNS

SYD

3h 00mdirect

19:00 - 23:05

SYD

CNS

5h 05m1 stop

£159Virgin Australia

Thu, 29 Jan - Thu, 5 Feb

10:55 - 14:55

CNS

SYD

3h 00mdirect

08:10 - 10:15

SYD

CNS

3h 05mdirect

£168Virgin Australia

Tue, 10 Feb - Wed, 11 Feb

15:35 - 19:30

CNS

SYD

2h 55mdirect

11:00 - 16:45

SYD

CNS

6h 45m1 stop

£179Virgin Australia

Fri, 3 Apr - Sat, 4 Apr

15:45 - 19:45

CNS

SYD

3h 00mdirect

08:10 - 10:15

SYD

CNS

3h 05mdirect

£179Virgin Australia

Tue, 10 Feb - Wed, 11 Feb

15:45 - 19:45

CNS

SYD

3h 00mdirect

07:05 - 19:40

SYD

CNS

13h 35m1 stop

£187Multiple Airlines

Sat, 31 Jan - Sat, 7 Feb

Jetstar flights from Cairns to Sydney

Our best Jetstar deals on Cairns to Sydney flight tickets

Jetstar

21 Jan

CNS06:40Cairns

3h 00m

SYD10:40Sydney Kingsford Smith

30 Jan

SYD06:20Sydney Kingsford Smith

3h 00m

CNS08:20Cairns

£108

Find similar

Jetstar

21 Jan

CNS12:55Cairns

7h 45m

1 stop

SYD21:40Sydney Kingsford Smith

30 Jan

SYD06:20Sydney Kingsford Smith

3h 00m

CNS08:20Cairns

£147

Find similar

Jetstar

21 Jan

CNS12:05Cairns

7h 40m

1 stop

SYD20:45Sydney Kingsford Smith

30 Jan

SYD20:40Sydney Kingsford Smith

19h 30m

2 stops

CNS15:10Cairns

£339

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Virgin Australia flights from Cairns to Sydney

Our best Virgin Australia deals on Cairns to Sydney flight tickets

Virgin Australia

3 Apr

CNS15:35Cairns

2h 55m

SYD19:30Sydney Kingsford Smith

4 Apr

SYD11:00Sydney Kingsford Smith

6h 45m

1 stop

CNS16:45Cairns

£179

Find similar

Virgin Australia

10 Feb

CNS15:45Cairns

3h 00m

SYD19:45Sydney Kingsford Smith

11 Feb

SYD08:10Sydney Kingsford Smith

3h 05m

CNS10:15Cairns

£179

Find similar

Virgin Australia

21 Jan

CNS11:40Cairns

5h 00m

1 stop

SYD17:40Sydney Kingsford Smith

30 Jan

SYD19:30Sydney Kingsford Smith

4h 35m

1 stop

CNS23:05Cairns

£200

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Depart

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CairnsSydney

CNS - SYD

CNSSYD

Cairns

Wed 21/1

06:40-10:40

Nonstop3h 00m

Sydney Kingsford Smith

Fri 30/1

06:20-08:20

Nonstop3h 00m

£108

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Thu 22/1

18:05-22:05

Nonstop3h 00m

Sydney Kingsford Smith

Wed 28/1

06:20-08:20

Nonstop3h 00m

£109

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Mon 20/4

19:10-22:05

Nonstop2h 55m

Sydney Kingsford Smith

Fri 24/4

15:15-18:25

Nonstop3h 10m

£112

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Thu 29/1

17:35-21:35

Nonstop3h 00m

Sydney Kingsford Smith

Thu 5/2

12:50-14:55

Nonstop3h 05m

£123

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Wed 21/1

12:55-21:40

1 stop7h 45m

Sydney Kingsford Smith

Fri 30/1

06:20-08:20

Nonstop3h 00m

£147

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Thu 29/1

17:35-21:35

Nonstop3h 00m

Sydney Kingsford Smith

Thu 5/2

19:00-23:05

1 stop5h 05m

£159

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Tue 10/2

10:55-14:55

Nonstop3h 00m

Sydney Kingsford Smith

Wed 11/2

08:10-10:15

Nonstop3h 05m

£168

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Fri 3/4

15:35-19:30

Nonstop2h 55m

Sydney Kingsford Smith

Sat 4/4

11:00-16:45

1 stop6h 45m

£179

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Tue 10/2

15:45-19:45

Nonstop3h 00m

Sydney Kingsford Smith

Wed 11/2

08:10-10:15

Nonstop3h 05m

£179

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Sat 31/1

15:45-19:45

Nonstop3h 00m

Sydney Kingsford Smith

Sat 7/2

07:05-19:40

1 stop13h 35m

£187

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Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Cairns to Sydney

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

Delays

Other information

What is the cheapest month to fly to Sydney?

In general, March is the cheapest month to fly from Cairns to Sydney. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around £106. If you don’t want to visit Sydney in March, then you should wait until June to fly from Cairns, when ticket prices are also cheap, with an average price of £113.

What is the cheapest time of day to depart on your flight to Sydney?

According to our data, the cheapest time of day to fly to Sydney is in the afternoon. momondo users have found flights departing from Cairns to Sydney in the afternoon for as low as £184. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. In the morning is when there is more demand to fly to Sydney, so prices are often more expensive at around £184 per ticket.

What is the cheapest Cairns to Sydney Kingsford Smith flight route?

Fly from Cairns to Sydney Kingsford Smith for the best Cairns - Sydney Kingsford Smith flight prices

How far in advance should I book a flight to Sydney?

You are more likely to see cheaper flights to Sydney from Cairns when booking weeks ahead of your departure date. In general, you can expect to find flights to Sydney for around £141 when searching weeks before you fly. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Cairns for as low as £99 on momondo.

What cabin class options are available on Cairns to Sydney Kingsford Smith flights?

There are 3 cabin classes available to choose from on Cairns to Sydney Kingsford Smith flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Cairns to Sydney flight prices changed over time?

As of December 2025, prices for Cairns to Sydney flights are approximately 16% cheaper when compared to flights at the same time last year.

When to book flights from Cairns to Sydney

Are you open to changing your travel dates? Check out the ideal times to fly from Cairns to Sydney according to our flight data. Find out which month and days have the cheapest flights.

Estimated return price

Cheap Cairns to Sydney (CNS to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cairns to Sydney

Fastest flight time	4h 50m
Direct flights	Every day
Airports in Sydney	1 airport

The fastest flight from Cairns to Sydney takes 4h 50m

Direct flights go from Cairns to Sydney every day.

There is 1 airport in Sydney. From Cairns there are direct flights to Sydney Kingsford Smith (SYD).

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How far is Cairns to Sydney Kingsford Smith by plane?
Cairns and Sydney Kingsford Smith are 1218.2 mi apart from one another. 4h 50m is a normal flight duration for this route.
When did momondo last update prices for flights from Cairns Airport to Sydney Kingsford Smith Airport?
Prices for flights from Cairns Airport to Sydney Kingsford Smith Airport are updated daily.
How old do you have to be to fly from Cairns Airport to Sydney Kingsford Smith Airport?
Although the minimum age for a child to fly alone is five, airlines that offer an unaccompanied minor (UMNR) service may have their own age limits, which could be impacted by factors such as flight length, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Cairns Airport to Sydney Kingsford Smith Airport.
What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?
The travel and health documents you'll need for your trip to Sydney Kingsford Smith Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Sydney Kingsford Smith Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.
What is the most popular plane model from Cairns to Sydney?
Based on momondo bookings for flights between Cairns and Sydney, the leading plane model is Boeing 737-800 Passenger/BBJ2 (winglets), making up 40.79% of the total bookings. Other popular models include Airbus A321-100/200 with 24.84%, Airbus A320-100/200 with 24.63%, and Airbus A321neo with 2.94%.

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Why use momondo?

Why should I use momondo to find a flight deal from Cairns to Sydney?

To find the flight that best suits your needs, momondo gathers a range of flights from a large pool of different airlines and agents; you can then use our insights and filters to find and book the right flight to Sydney from Cairns.

Can I find flights from Cairns to Sydney with flexible booking policies on momondo?

momondo does allow users to show only those flights to Sydney from Cairns which offer a flexible booking policy as well as other useful filters and features.

How can momondo help me find flights from Cairns to Sydney?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Sydney from Cairns.

I’m not ready to book a flight from Cairns to Sydney right now. Can momondo alert me if prices change?

If you are not ready to book a flight from Cairns to Sydney now, use our insights above to find helpful tips or alternatively set up a price alert, where momondo will track prices on flights to Sydney and let you know when they change.

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Cheap flights from Cairns to Sydney from £76

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Cairns to Sydney departing on 10/2. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.

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How to get the cheapest flight ticket from Cairns to Sydney

What is the cheapest month to fly to Sydney?

What is the cheapest time of day to depart on your flight to Sydney?

What is the cheapest Cairns to Sydney Kingsford Smith flight route?

Fly from Cairns to Sydney Kingsford Smith for the best Cairns - Sydney Kingsford Smith flight prices

How far in advance should I book a flight to Sydney?

What cabin class options are available on Cairns to Sydney Kingsford Smith flights?

There are 3 cabin classes available to choose from on Cairns to Sydney Kingsford Smith flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

How have Cairns to Sydney flight prices changed over time?

As of December 2025, prices for Cairns to Sydney flights are approximately 16% cheaper when compared to flights at the same time last year.

What is the cheapest airline that flies from Cairns to Sydney Kingsford Smith?

Jetstar and Virgin Australia are the most popular carriers operating from Cairns to Sydney Kingsford Smith

How often are flights from Cairns to Sydney delayed?

Historically, on average around 13% of flights between Cairns and Sydney have experienced a delay on any given week. The average delay length over the past 12 months has been 97 minutes.

What is the most punctual flight time for Cairns to Sydney flights?

Generally, flights departing in the morning tend to experience fewer delays. Flights departing at night have, in the past, seen delays more frequently in comparison.

What day of the week experiences the fewest flight delays on this route?

Sunday is statistically the day of the week that experiences the fewest delays on this flight route. Friday has historically seen more delays on average compared to the rest of the week.

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

According to our data, Aruba Airlines have had the fewest delays on this route over the last 12 months, with about 8% of their flights experiencing any sort of delay.

How many flights depart from Cairns to Sydney on average per day?

The number of flights available between Cairns and Sydney is 33 per day as of December 2025. The most frequent departure time is 12:00, with 65% of daily flights leaving in the afternoon.

How many flights depart from Cairns to Sydney on average per week?

235 flights are operational weekly from Cairns to Sydney as of December 2025. The most popular departure day for this route is Thu, with 16% of flights per week taking off on this day.

When to book flights from Cairns to Sydney

Cheap Cairns to Sydney (CNS to SYD) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Cairns to Sydney

Fastest flight time

Direct flights

Airports in Sydney

How far is Cairns to Sydney Kingsford Smith by plane?

When did momondo last update prices for flights from Cairns Airport to Sydney Kingsford Smith Airport?

How old do you have to be to fly from Cairns Airport to Sydney Kingsford Smith Airport?

What documentation or ID do you need to fly to Sydney Kingsford Smith Airport?

What is the most popular plane model from Cairns to Sydney?

Travelling to a place near Sydney?

Why use momondo?

Why should I use momondo to find a flight deal from Cairns to Sydney?

Can I find flights from Cairns to Sydney with flexible booking policies on momondo?

How can momondo help me find flights from Cairns to Sydney?

I’m not ready to book a flight from Cairns to Sydney right now. Can momondo alert me if prices change?

An easier way to manage your Sydney trip

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.

Find better results for your trip to Australia

Airports servicing New South Wales