Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Cairns to Sydney from $80

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 1/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
0 bags

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Cairns to Sydney

Cheap round-trip flights

Jetstar Logo
5:45 am - 8:40 amCNS-SYD
2h 55mnonstop
Jetstar Logo
8:45 pm - 10:50 pmSYD-CNS
3h 05mnonstop
$144Jetstar
Find Deal
Wed, Oct 1 - Wed, Oct 22
Jetstar Logo
5:45 am - 8:40 amCNS-SYD
2h 55mnonstop
Jetstar Logo
6:10 am - 8:15 amSYD-CNS
3h 05mnonstop
$145Jetstar
Find Deal
Wed, Oct 1 - Wed, Oct 22
Jetstar Logo
6:00 pm - 9:55 pmCNS-SYD
2h 55mnonstop
Jetstar Logo
3:10 pm - 5:15 pmSYD-CNS
3h 05mnonstop
$157Jetstar
Find Deal
Thu, Oct 16 - Thu, Oct 23
Jetstar Logo
6:05 pm - 10:05 pmCNS-SYD
3h 00mnonstop
Jetstar Logo
3:25 pm - 5:30 pmSYD-CNS
3h 05mnonstop
$174Jetstar
Find Deal
Sat, Dec 13 - Wed, Dec 17
Multiple Airlines Logo
6:05 pm - 10:05 pmCNS-SYD
3h 00mnonstop
Multiple Airlines Logo
2:40 pm - 4:45 pmSYD-CNS
3h 05mnonstop
$211Multiple Airlines
Find Deal
Fri, Oct 31 - Fri, Nov 7
Virgin Australia Logo
6:00 am - 4:40 pmCNS-SYD
9h 40m1 stop
Virgin Australia Logo
2:40 pm - 4:45 pmSYD-CNS
3h 05mnonstop
$237Virgin Australia
Find Deal
Fri, Oct 31 - Fri, Nov 7
Virgin Australia Logo
7:15 pm - 10:10 pmCNS-SYD
2h 55mnonstop
Virgin Australia Logo
7:00 am - 11:35 pmSYD-CNS
16h 35m1 stop
$269Virgin Australia
Find Deal
Mon, Sep 29 - Wed, Oct 1
Qantas Airways Logo
5:00 pm - 8:55 pmCNS-SYD
2h 55mnonstop
Qantas Airways Logo
2:10 pm - 4:15 pmSYD-CNS
3h 05mnonstop
$298Qantas Airways
Find Deal
Sat, Nov 8 - Mon, Nov 10
Multiple Airlines Logo
5:00 pm - 8:55 pmCNS-SYD
2h 55mnonstop
Multiple Airlines Logo
6:20 am - 8:20 amSYD-CNS
3h 00mnonstop
$304Multiple Airlines
Find Deal
Sat, Nov 8 - Mon, Nov 10
Qantas Airways Logo
11:45 am - 8:05 pmCNS-SYD
7h 20m1 stop
Qantas Airways Logo
2:10 pm - 4:15 pmSYD-CNS
3h 05mnonstop
$325Qantas Airways
Find Deal
Sat, Nov 8 - Mon, Nov 10

Jetstar flights from Cairns to Sydney

Our best Jetstar deals on Cairns to Sydney flight tickets
Jetstar
Oct 1
CNS5:45 amCairns
2h 55m
SYD8:40 amSydney Kingsford Smith
Oct 22
SYD8:45 pmSydney Kingsford Smith
3h 05m
CNS10:50 pmCairns
$144
Find similar
Jetstar
Oct 1
CNS5:45 amCairns
2h 55m
SYD8:40 amSydney Kingsford Smith
Oct 22
SYD6:10 amSydney Kingsford Smith
3h 05m
CNS8:15 amCairns
$145
Find similar
Jetstar
Oct 16
CNS6:00 pmCairns
2h 55m
SYD9:55 pmSydney Kingsford Smith
Oct 23
SYD3:10 pmSydney Kingsford Smith
3h 05m
CNS5:15 pmCairns
$157
Find similar

Qantas Airways flights from Cairns to Sydney

Our best Qantas Airways deals on Cairns to Sydney flight tickets
Qantas Airways
Nov 8
CNS5:00 pmCairns
2h 55m
SYD8:55 pmSydney Kingsford Smith
Nov 10
SYD2:10 pmSydney Kingsford Smith
3h 05m
CNS4:15 pmCairns
$298
Find similar
Qantas Airways
Nov 8
CNS11:45 amCairns
7h 20m
1 stop
SYD8:05 pmSydney Kingsford Smith
Nov 10
SYD2:10 pmSydney Kingsford Smith
3h 05m
CNS4:15 pmCairns
$325
Find similar
Qantas Airways
Nov 8
CNS11:45 amCairns
6h 40m
1 stop
SYD7:25 pmSydney Kingsford Smith
Nov 10
SYD2:10 pmSydney Kingsford Smith
3h 05m
CNS4:15 pmCairns
$326
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated September 16, 2025.
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

Price

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Wed 10/1

5:45 am-8:40 am

Nonstop2h 55m

Sydney Kingsford Smith

Wed 10/22

8:45 pm-10:50 pm

Nonstop3h 05m

$144

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Wed 10/1

5:45 am-8:40 am

Nonstop2h 55m

Sydney Kingsford Smith

Wed 10/22

6:10 am-8:15 am

Nonstop3h 05m

$145

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Thu 10/16

6:00 pm-9:55 pm

Nonstop2h 55m

Sydney Kingsford Smith

Thu 10/23

3:10 pm-5:15 pm

Nonstop3h 05m

$157

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Sat 12/13

6:05 pm-10:05 pm

Nonstop3h 00m

Sydney Kingsford Smith

Wed 12/17

3:25 pm-5:30 pm

Nonstop3h 05m

$174

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Fri 10/31

6:05 pm-10:05 pm

Nonstop3h 00m

Sydney Kingsford Smith

Fri 11/7

2:40 pm-4:45 pm

Nonstop3h 05m

$211

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Fri 10/31

6:00 am-4:40 pm

1 stop9h 40m

Sydney Kingsford Smith

Fri 11/7

2:40 pm-4:45 pm

Nonstop3h 05m

$237

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Mon 9/29

7:15 pm-10:10 pm

Nonstop2h 55m

Sydney Kingsford Smith

Wed 10/1

7:00 am-11:35 pm

1 stop16h 35m

$269

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Sat 11/8

5:00 pm-8:55 pm

Nonstop2h 55m

Sydney Kingsford Smith

Mon 11/10

2:10 pm-4:15 pm

Nonstop3h 05m

$298

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Sat 11/8

5:00 pm-8:55 pm

Nonstop2h 55m

Sydney Kingsford Smith

Mon 11/10

6:20 am-8:20 am

Nonstop3h 00m

$304

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Sat 11/8

11:45 am-8:05 pm

1 stop7h 20m

Sydney Kingsford Smith

Mon 11/10

2:10 pm-4:15 pm

Nonstop3h 05m

$325

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Sydney from

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

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 $142. If you are unable to visit Sydney during the month of March, then departing from Cairns during the month June is also very affordable. Most momondo users find prices during this month for around $151.

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

The cheapest day to depart from Cairns to Sydney is on a Friday when prices can be found for as low as $157. The most expensive day to fly to Sydney is Monday, with ticket prices averaging around $741.

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 evening. momondo users have found flights departing from Cairns to Sydney in the evening for as low as $147. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. Flights to Sydney are more costly in the morning, with an average ticket price of $220. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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 $195 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Sydney from Cairns for as low as $147 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 September 2025, prices for Cairns to Sydney flights are approximately 18% 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 round-trip 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

Best Price Found

$110

Fastest flight time

2h 55m

Direct flights

Every day

Airports in Sydney

1 airport
The best one-way flight to Sydney from Cairns in the past 72 hours is $110. The best round-trip flight deal from Cairns to Sydney found on momondo in the last 72 hours is $232.
The fastest flight from Cairns to Sydney takes 2h 55m
Direct flights go from Cairns to Sydney every day.
There is 1 airport near Sydney: Sydney Kingsford Smith (SYD)
Search flight deals

  • How far is Cairns to Sydney Kingsford Smith by plane?

    A flight from Cairns to Sydney Kingsford Smith will travel around 1218.2 mi. Typically, this will take 2h 55m by plane in normal conditions.

  • 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 were last updated today.

  • How many operators does momondo search 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?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to 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?

  • What is the most popular airline from Cairns to Sydney?

Best airlines flying from Cairns to Sydney

Compare and see reviews for airlines that fly from Cairns to Sydney with momondo
Airline
Rating
Free Cancellation
Price
JetstarPriceFrom $93Free CancellationRating
6.5
474 reviews
Search Jetstar flights

  • Jetstar Flights From Cairns to Sydney

    The lowest priced Jetstar flight from Cairns to Sydney from the last 72 hours was $93. Generally, Jetstar has 28 flights on this route every week with an average price of $205. Jetstar is rated 6.5/10 by our users.

Traveling to a place near Sydney?

Book flights to Sydney if you plan to visit one of these locations
Parramatta
Bondi Beach
Katoomba
Wollongong
Randwick
Cronulla
Coogee
Lithgow
Penrith
Manly
Leura
Charlestown
Terrigal
Swansea

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Cairns to Sydney for you.

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

Flights from Cairns to Sydney with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

Once all potential Cairns to Sydney flight options are in front of you, momondo lets you sort and filter flights based on preferences such as airline, price and flight times amongst many other options.

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

Of course. momondo tracks the price of Cairns to Sydney flights. All you need is a valid email address and we will do the rest; it is that quick and easy.

An easier way to manage your Sydney trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 10/16
Thu 10/23
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to Australia