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Cheap flights from Cairns to Sydney from $120

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 18/9. 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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Cheap return flights

Jetstar Logo
18:00 - 21:55CNS-SYD
2h 55mdirect
Jetstar Logo
20:45 - 22:50SYD-CNS
3h 05mdirect
$213Jetstar
Find Deal
Thu, 16 Oct - Sun, 19 Oct
Jetstar Logo
09:00 - 12:55CNS-SYD
2h 55mdirect
Jetstar Logo
20:25 - 22:30SYD-CNS
3h 05mdirect
$215Jetstar
Find Deal
Sat, 10 Jan - Mon, 12 Jan
Jetstar Logo
05:45 - 09:40CNS-SYD
2h 55mdirect
Jetstar Logo
20:45 - 22:50SYD-CNS
3h 05mdirect
$216Jetstar
Find Deal
Wed, 15 Oct - Sat, 18 Oct
Jetstar Logo
18:00 - 21:55CNS-SYD
2h 55mdirect
Jetstar Logo
06:10 - 08:15SYD-CNS
3h 05mdirect
$218Jetstar
Find Deal
Thu, 16 Oct - Sun, 19 Oct
Jetstar Logo
18:00 - 21:55CNS-SYD
2h 55mdirect
Jetstar Logo
20:45 - 22:50SYD-CNS
3h 05mdirect
$219Jetstar
Find Deal
Thu, 16 Oct - Sun, 19 Oct
Jetstar Logo
06:40 - 10:40CNS-SYD
3h 00mdirect
Jetstar Logo
06:20 - 08:20SYD-CNS
3h 00mdirect
$225Jetstar
Find Deal
Thu, 12 Mar - Sat, 14 Mar
Logo
06:40 - 10:40CNS-SYD
3h 00mdirect
Logo
08:10 - 10:15SYD-CNS
3h 05mdirect
$283
Find Deal
Thu, 12 Mar - Thu, 19 Mar
Virgin Australia Logo
14:40 - 20:40CNS-SYD
5h 00m1 stop
Virgin Australia Logo
12:50 - 14:55SYD-CNS
3h 05mdirect
$335Virgin Australia
Find Deal
Tue, 11 Nov - Sat, 15 Nov
Virgin Australia Logo
10:55 - 14:55CNS-SYD
3h 00mdirect
Virgin Australia Logo
07:00 - 23:05SYD-CNS
17h 05m1 stop
$370Virgin Australia
Find Deal
Thu, 8 Jan - Sun, 11 Jan
Virgin Australia Logo
12:10 - 15:05CNS-SYD
2h 55mdirect
Virgin Australia Logo
07:00 - 23:35SYD-CNS
16h 35m1 stop
$394Virgin Australia
Find Deal
Fri, 26 Sep - Tue, 30 Sep

Jetstar flights from Cairns to Sydney

Our best Jetstar deals on Cairns to Sydney flight tickets
Jetstar
16 Oct
CNS18:00Cairns
2h 55m
SYD21:55Sydney Kingsford Smith
19 Oct
SYD20:45Sydney Kingsford Smith
3h 05m
CNS22:50Cairns
$213
Find similar
Jetstar
10 Jan
CNS09:00Cairns
2h 55m
SYD12:55Sydney Kingsford Smith
12 Jan
SYD20:25Sydney Kingsford Smith
3h 05m
CNS22:30Cairns
$215
Find similar
Jetstar
15 Oct
CNS05:45Cairns
2h 55m
SYD09:40Sydney Kingsford Smith
18 Oct
SYD20:45Sydney Kingsford Smith
3h 05m
CNS22:50Cairns
$216
Find similar

Virgin Australia flights from Cairns to Sydney

Our best Virgin Australia deals on Cairns to Sydney flight tickets
Virgin Australia
11 Nov
CNS14:40Cairns
5h 00m
1 stop
SYD20:40Sydney Kingsford Smith
15 Nov
SYD12:50Sydney Kingsford Smith
3h 05m
CNS14:55Cairns
$335
Find similar
Virgin Australia
22 Sept
CNS19:15Cairns
2h 55m
SYD22:10Sydney Kingsford Smith
24 Sept
SYD09:00Sydney Kingsford Smith
14h 35m
1 stop
CNS23:35Cairns
$337
Find similar
Virgin Australia
19 Sept
CNS19:15Cairns
2h 55m
SYD22:10Sydney Kingsford Smith
23 Sept
SYD20:30Sydney Kingsford Smith
14h 40m
1 stop
CNS11:10Cairns
$343
Find similar

momondo Fare Finder

 
Customise 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 78,305 searches. Data last updated 13 September 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

Thu 16/10

18:00-21:55

Nonstop2h 55m

Sydney Kingsford Smith

Sun 19/10

20:45-22:50

Nonstop3h 05m

$213

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Sat 10/1

09:00-12:55

Nonstop2h 55m

Sydney Kingsford Smith

Mon 12/1

20:25-22:30

Nonstop3h 05m

$215

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Wed 15/10

05:45-09:40

Nonstop2h 55m

Sydney Kingsford Smith

Sat 18/10

20:45-22:50

Nonstop3h 05m

$216

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Thu 16/10

18:00-21:55

Nonstop2h 55m

Sydney Kingsford Smith

Sun 19/10

06:10-08:15

Nonstop3h 05m

$218

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Thu 16/10

18:00-21:55

Nonstop2h 55m

Sydney Kingsford Smith

Sun 19/10

20:45-22:50

Nonstop3h 05m

$219

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Thu 12/3

06:40-10:40

Nonstop3h 00m

Sydney Kingsford Smith

Sat 14/3

06:20-08:20

Nonstop3h 00m

$225

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Thu 12/3

06:40-10:40

Nonstop3h 00m

Sydney Kingsford Smith

Thu 19/3

08:10-10:15

Nonstop3h 05m

$283

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Tue 11/11

14:40-20:40

1 stop5h 00m

Sydney Kingsford Smith

Sat 15/11

12:50-14:55

Nonstop3h 05m

$335

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Thu 8/1

10:55-14:55

Nonstop3h 00m

Sydney Kingsford Smith

Sun 11/1

07:00-23:05

1 stop17h 05m

$370

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Fri 26/9

12:10-15:05

Nonstop2h 55m

Sydney Kingsford Smith

Tue 30/9

07:00-23:35

1 stop16h 35m

$394

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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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?

The month of March is, on average, the cheapest month to fly to Sydney from Cairns, with most prices found around $213. If you aren’t able to travel to Sydney during the month of March, then flying in June is also cheap. Prices for this month can be found on momondo for an average of $227.

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

Our data shows that Thursday is the least expensive day to fly to Sydney. Tickets to fly out on this day can be as low as $293. The most expensive day to fly to Sydney is Sunday, with ticket prices averaging around $377.

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 $257. Keep in mind that these prices may fluctuate based on what airline you choose and the time of year you plan to travel. If you have a flexible travel schedule, then try to avoid flying at midday when prices are $2,052 on average. Flights to Sydney from Cairns at midday are generally more expensive because this time of day is more convenient for travellers’ schedules.

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 $293 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 $221 on momondo.

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

There are 4 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 17% 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

Best price found

$160

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 $160. The best return flight deal from Cairns to Sydney found on momondo in the last 72 hours is $229.
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?

    There are 1960.5 km between Cairns and Sydney Kingsford Smith. Flights usually cover this in 2h 55m, depending on flying conditions and air traffic around both airports.

  • 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 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 for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and stopovers. 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 required travel and health documents for your Sydney Kingsford Smith Airport trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's licence and a passport valid for six months after your intended arrival at Sydney Kingsford Smith Airport. We recommend that you seek guidance from your airline or a reliable 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 $127Free cancellationRating
6.5
474 reviews
Search Jetstar flights
Virgin AustraliaPriceFrom $148Free cancellationRating
7.5
416 reviews
Search Virgin Australia flights
Qantas AirwaysPriceFrom $189Free cancellationRating
7.5
905 reviews
Search Qantas Airways flights

  • Virgin Australia Flights From Cairns to Sydney

    Virgin Australia is one of the most popular airlines flying from Cairns to Sydney, operating 12 flights/week on average for this route. A good Virgin Australia flight deal for Cairns to Sydney starts from $98 round-trip, up to an average price of $233. Our users have rated Virgin Australia at 7.5/10.

  • Qantas Airways Flights From Cairns to Sydney

    Across 905 Qantas Airways reviews on momondo, the average score is 7.5/10. Qantas Airways flies from Cairns to Sydney about 35 times each week, with ticket deals ranging from $126 to $409. Price data is based on momondo searches in the last 72 hours.

Travelling to a place near Sydney?

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

Why use momondo?

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

It is quick and easy to find Cairns to Sydney flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Sydney that suits you.

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

Yes. All flights to Sydney from Cairns on momondo can be compared and filtered by various policies on offer, including flexible booking.

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?

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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