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Cheap flights from Cairns to Sydney from $115

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 28/7. Fares are subject to change and may not be available on all flights or dates of travel.
CNS — SYD
22 Apr — 29 Apr1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Cairns to Sydney Kingsford Smith are usually found in June or January, booked 38 days in advance, depart on a Thursday or Tuesday and return on a Tuesday

Cheap flight deals from Cairns to Sydney

Enter your travel dates to find the best prices.

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 23 March 2026.

Thu 23/419:10
CNS
-
SYD
Nonstop2h 55m
Jetstar
Sun 26/415:15
SYD
-
CNS
Nonstop3h 10m
Jetstar
Deal found 19/3$208
Sat 25/419:10
CNS
-
SYD
Nonstop2h 55m
Jetstar
Sun 26/415:15
SYD
-
CNS
Nonstop3h 10m
Jetstar
Deal found 21/3$224
Wed 6/506:45
CNS
-
SYD
Nonstop3h 00m
Jetstar
Wed 13/515:15
SYD
-
CNS
Nonstop3h 10m
Jetstar
Deal found 20/3$225
Thu 16/412:10
CNS
-
SYD
Nonstop2h 55m
Multiple Airlines
Sun 19/419:15
SYD
-
CNS
Nonstop3h 10m
Multiple Airlines
Deal found 20/3$226
Fri 3/418:10
CNS
-
SYD
Nonstop2h 55m
Jetstar
Tue 14/406:10
SYD
-
CNS
Nonstop3h 10m
Jetstar
Deal found 22/3$232
Sat 25/416:35
CNS
-
SYD
Nonstop2h 55m
Multiple Airlines
Sun 26/419:15
SYD
-
CNS
Nonstop3h 10m
Multiple Airlines
Deal found 21/3$234
Sat 23/519:10
CNS
-
SYD
Nonstop2h 55m
Multiple Airlines
Sun 24/508:10
SYD
-
CNS
Nonstop3h 15m
Multiple Airlines
Deal found 21/3$236
Sat 28/306:40
CNS
-
SYD
Nonstop3h 00m
Jetstar
Mon 30/306:10
SYD
-
CNS
Nonstop3h 10m
Jetstar
Deal found 18/3$241
Fri 12/619:10
CNS
-
SYD
Nonstop2h 55m
Jetstar
Sat 13/615:15
SYD
-
CNS
Nonstop3h 10m
Jetstar
Deal found 22/3$246
Mon 4/519:10
CNS
-
SYD
Nonstop2h 55m
Jetstar
Mon 11/506:10
SYD
-
CNS
Nonstop3h 10m
Jetstar
Deal found 20/3$253
Mon 1/619:10
CNS
-
SYD
Nonstop2h 55m
Jetstar
Sun 7/615:15
SYD
-
CNS
Nonstop3h 10m
Jetstar
Deal found 20/3$259

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 23 March 2026.

Round-trip from

$208

One-way from

$115

Popular in

April

Cheapest in

June

Average price

$273

Good round-trip deal

$229 or less

Good one-way deal

$132 or less
Jetstar
  • Jetstar
  • 23/4-26/4
  • Nonstop
  • 6h 05m total
  • Cairns to Sydney
Search Deals
Virgin Australia
  • Virgin Australia
  • 28/7
  • Nonstop
  • 2h 55m total
  • Cairns to Sydney
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($16 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($11 potential savings vs. average return price).
Search Deals
Average for round-trip flights in March 2026
Search Deals
Price to beat on a round-trip flight from Cairns to Sydney Kingsford Smith.
Search Deals
Price to beat on a one-way flight from Cairns to Sydney Kingsford Smith.
Search Deals

Cheapflights 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, Cheapflights users made 647,157 searches. Data last updated 23 March 2026.
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

Cheapest return flight

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Mon 18/5

13:55-20:40

1 stop6h 45m

Sydney Kingsford Smith

Sun 24/5

08:10-11:25

Nonstop3h 15m

$330

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Thu 14/5

16:35-19:30

Nonstop2h 55m

Sydney Kingsford Smith

Sun 17/5

08:10-11:25

Nonstop3h 15m

$330

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Tue 25/8

16:35-19:30

Nonstop2h 55m

Sydney Kingsford Smith

Wed 26/8

08:10-11:25

Nonstop3h 15m

$355
Fastest return journey

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Fri 17/7

19:10-22:05

Nonstop2h 55m

Sydney Kingsford Smith

Mon 20/7

19:15-22:25

Nonstop3h 10m

$372

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Fri 3/4

18:10-22:05

Nonstop2h 55m

Sydney Kingsford Smith

Tue 7/4

06:10-09:20

Nonstop3h 10m

$383

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Sun 17/5

16:35-19:30

Nonstop2h 55m

Sydney Kingsford Smith

Thu 21/5

07:30-13:10

1 stop5h 40m

$384

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Wed 15/4

11:00-17:35

1 stop6h 35m

Sydney Kingsford Smith

Wed 22/4

18:05-23:20

1 stop5h 15m

$396

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Fri 17/7

16:55-21:40

1 stop4h 45m

Sydney Kingsford Smith

Mon 20/7

15:10-18:25

Nonstop3h 15m

$396
Cheapest one-way
Fastest single journey

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Thu 23/7

16:35-19:30

Nonstop2h 55m

$120

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Fri 28/8

19:15-22:10

Nonstop2h 55m

$121

Flights are sorted by cheapest return flights first.

Deals found on 20/3

Showing 1-10 of 19 resultsSorted by cheapest first
1
2

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.
Estimated return 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

How far ahead should I book a flight from Cairns to Sydney?

Use this chart to determine the optimal time to book a return flight from Cairns to Sydney. Price data was last updated on 13 March 2026.

The best time to book flights from Cairns to Sydney is 38 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 $78). Flying from Cairns to Sydney in March is currently the most expensive (average of $141). 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?

Find hourly flight availability from Cairns to Sydney. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 23 March 2026.

A simple way to save on the total cost of your ticket is to fly from Cairns to Sydney in the evening. If you’re flexible enough to do this you can expect to save up to 84% on your trip compared to booking a flight at midday.

What is the cheapest day to fly from Cairns to Sydney?

Use this chart to determine the cheapest time to fly return from Cairns to Sydney. Price data was last updated on 14 March 2026.

Travellers seeking maximum savings on their Cairns to Sydney flight should consider departing on Wednesday evenings when fares are most often at their lowest. Saturday at midday flights should be avoided if possible as fares are typically the most expensive at this time.

Reviews of airlines servicing Sydney

Get insights into the airlines that provide service to Sydney. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Sydney. Reviews last updated 23 March 2026.
See what other customers who have flown with Virgin Australia,Qantas Airways, andJetstar from Cairns to Sydney have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
Virgin Australia
7.6
Good
449 reviews
Check prices

Boarding

7.7

Comfort

7.5

Overall

7.6

Food

6.4

Crew

8.2

Entertainment

6.4

Reviews

1 / 20
8.0
Excellent

Elio,Jan 2026

MEL - ADL

Starting to be as efficient as qantas… bar the food offerings Virgin is up there now
Virgin Australia
7.6
Good
449 reviews
Virgin Australia
7.6
Good
449 reviews
Check prices

Boarding

7.7

Comfort

7.5

Overall

7.6

Food

6.4

Crew

8.2

Entertainment

6.4

Reviews

1 / 20
8.0
Excellent

Elio,Jan 2026

MEL - ADL

Starting to be as efficient as qantas… bar the food offerings Virgin is up there now
Qantas Airways
7.5
Good
1,009 reviews
Virgin Australia
7.6
Good
449 reviews
Check prices

Boarding

7.7

Comfort

7.5

Overall

7.6

Food

6.4

Crew

8.2

Entertainment

6.4

Reviews

1 / 20
8.0
Excellent

Elio,Jan 2026

MEL - ADL

Starting to be as efficient as qantas… bar the food offerings Virgin is up there now
Jetstar
6.5
Okay
532 reviews
Virgin Australia
7.6
Good
449 reviews
Check prices

Boarding

7.7

Comfort

7.5

Overall

7.6

Food

6.4

Crew

8.2

Entertainment

6.4

Reviews

1 / 20
8.0
Excellent

Elio,Jan 2026

MEL - ADL

Starting to be as efficient as qantas… bar the food offerings Virgin is up there now

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.

  • What airports do I use to fly from Cairns to Sydney?

    If you wish to fly to Sydney from Cairns, then you need to book flights from Cairns to Sydney Kingsford Smith. There are 25 flights from Cairns (CNS) to Kingsford Smith (SYD) per day to choose from. Flights to Sydney from Cairns are available from 3 different airlines, which means you should have some options if you want to compare airfare deals. 2h 55m is how long a nonstop flight from Cairns to Sydney Kingsford Smith typically takes.

  • How popular is this Cairns to Sydney flight route?

    The Cairns to Sydney Kingsford Smith flight path was viewed by 1,739 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 6h 45m. The distance from Cairns to Sydney is about 1970 km.

  • What are the cheapest airlines flying from Cairns to Sydney round-trip?

    Currently priced at $97, Jetstar will fly you from Cairns to Sydney and back. In addition to Jetstar, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Virgin Australia and Qantas Airways - these airlines can fly you to your destination from $122 and $188, respectively. You may be able to fly from Cairns to Sydney for 64% less than the average price by searching for these airlines.

  • What are the cheapest airlines to fly from Cairns to Sydney one-way?

    To fly one-way, consider booking your trip with Jetstar, which is currently one of the cheapest options available, starting at $96. Virgin Australia flights start at $122 while deals on Qantas Airways start at $160 one-way.

  • What are the most reliable airlines from Cairns to Sydney?

    No one likes to see their flight delayed. When booking a flight from Cairns to Sydney consider choosing Air India(85%), Emirates(81%) or Air New Zealand(81%), as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Cairns to Sydney?

    While on average a flight from Cairns to Sydney is generally $490, our data shows the cheapest flight currently is $105. When looking at the most popular route, (Cairns - Sydney Kingsford Smith), you can expect to pay $206 for that flight.

  • 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 holiday 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 $78). Flying from Cairns to Sydney in March is currently the most expensive (average of $141). 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.

See more FAQs

Travelling to a place near Sydney?

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

Browse thousands of different options on Cheapflights for your next trip

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Fly from Cairns to Sydney on these airlines

Choose from the following airlines for your flight from Cairns to Sydney. Flights are based on user searches made on Cheapflights and were last updated on 23 March 2026.
Jetstar flights from Cairns to Sydney Kingsford Smith
Virgin Australia flights from Cairns to Sydney Kingsford Smith
Qantas Airways flights from Cairns to Sydney Kingsford Smith

Top 3 airlines flying from Cairns to Sydney

Discover the top 3 airlines that operate flights from Cairns to Sydney. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 23 March 2026.
AirlineCheapestAverageFlexibilityOn-time
JetstarCheapest$98Average$273FlexibilityNo cancel feeOn-time74%
Search Jetstar flights
Virgin AustraliaCheapest$122Average$299FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Qantas AirwaysCheapest$188Average$275FlexibilityNo cancel feeOn-time74%
Search Qantas Airways flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Cairns to Sydney?

Cheapflights goes through 900+ travel sites to look for the best flight deals for flights from Cairns to Sydney. Too many options? Cheapflights also provides filters for things like airlines, price ranges, and number of stops to help you make a decision easily.

Why should you use Cheapflights to find cheap flight tickets from Cairns to Sydney?

It’s simple! Cheapflights, which is free to use for everyone, saves millions of users time and money every year by helping them find the cheapest and most suitable flights from Cairns to Sydney.

Can Cheapflights find flights from Cairns to Sydney with no change fees?

Certainly. Search results for flights to Sydney from Cairns shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Cairns to Sydney become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

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