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Cheap flights from Cairns to Sydney from $120

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 21/10. Fares are subject to change and may not be available on all flights or dates of travel.
CNS — SYD
15 Nov — 22 Nov1
1 adult
1 adult, Economy

Cheapflights Tip: The best prices from Cairns to Sydney Kingsford Smith are usually found in March or June, booked 76 days in advance, depart on a Wednesday or Thursday and return on a Tuesday

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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 16 October 2025.

Tue 4/1106:40CNS - SYD
Nonstop3h 00mJetstar
Wed 5/1106:20SYD - CNS
Nonstop3h 00mJetstar
Deal found 14/10$220
Wed 12/1106:40CNS - SYD
Nonstop3h 00mJetstar
Wed 19/1106:20SYD - CNS
Nonstop3h 00mJetstar
Deal found 15/10$221
Thu 23/1009:15CNS - SYD
Nonstop2h 55mJetstar
Sun 26/1006:20SYD - CNS
Nonstop3h 00mJetstar
Deal found 14/10$223
Sat 29/1106:40CNS - SYD
Nonstop3h 00mJetstar
Sat 6/1206:20SYD - CNS
Nonstop3h 00mJetstar
Deal found 15/10$224
Thu 23/1018:00CNS - SYD
Nonstop2h 55mJetstar
Sat 25/1020:45SYD - CNS
Nonstop3h 05mJetstar
Deal found 14/10$227
Wed 12/1106:40CNS - SYD
Nonstop3h 00mJetstar
Sat 15/1106:20SYD - CNS
Nonstop3h 00mJetstar
Deal found 15/10$230
Sat 15/1106:40CNS - SYD
Nonstop3h 00mJetstar
Wed 19/1106:20SYD - CNS
Nonstop3h 00mJetstar
Deal found 15/10$233
Sat 25/1009:15CNS - SYD
Nonstop2h 55mJetstar
Tue 28/1006:20SYD - CNS
Nonstop3h 00mJetstar
Deal found 14/10$236
Tue 21/1006:45CNS - SYD
Nonstop3h 00mJetstar
Tue 28/1006:20SYD - CNS
Nonstop3h 00mJetstar
Deal found 15/10$238

Cheap 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 16 October 2025.

Round-trip from

$220

One-way from

$120

Popular in

October

Cheapest in

March

Average price

$381

Good round-trip deal

$225 or less

Good one-way deal

$166 or less
Jetstar
  • Jetstar
  • 4/11-5/11
  • Nonstop
  • 6h 00m total
  • Cairns to Sydney
Search Deals
Jetstar
  • Jetstar
  • 21/10
  • Nonstop
  • 3h 00m total
  • Cairns to Sydney
Search Deals
Highest demand for flights based on searches. 10% potential increase in price ($55 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 3% potential price decrease ($14 potential savings vs. average return price).
Search Deals
Average for round-trip flights in October 2025
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 16 October 2025.
Use the filters below to find and compare flights from Cairns to Sydney that are best for you.

Fly from

Cairns

Fly to

Sydney

Route

Depart

Return

Price

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Tue 11/11

06:40-10:40

Nonstop3h 00m

Sydney Kingsford Smith

Sat 15/11

06:20-08:20

Nonstop3h 00m

$224

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Sat 29/11

06:40-10:40

Nonstop3h 00m

Sydney Kingsford Smith

Sat 6/12

06:20-08:20

Nonstop3h 00m

$224

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Wed 12/11

18:05-22:05

Nonstop3h 00m

Sydney Kingsford Smith

Sat 15/11

06:20-08:20

Nonstop3h 00m

$226

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Thu 30/10

06:40-10:40

Nonstop3h 00m

Sydney Kingsford Smith

Mon 3/11

06:20-08:20

Nonstop3h 00m

$227

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Tue 4/11

06:40-10:40

Nonstop3h 00m

Sydney Kingsford Smith

Wed 5/11

06:20-08:20

Nonstop3h 00m

$240

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Thu 12/2

18:05-22:05

Nonstop3h 00m

Sydney Kingsford Smith

Sat 14/2

13:20-19:40

1 stop7h 20m

$263

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Wed 12/11

06:40-10:40

Nonstop3h 00m

Sydney Kingsford Smith

Fri 14/11

06:20-08:20

Nonstop3h 00m

$270

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Wed 12/11

06:40-10:40

Nonstop3h 00m

Sydney Kingsford Smith

Mon 17/11

15:25-17:30

Nonstop3h 05m

$275

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Wed 12/11

06:40-10:40

Nonstop3h 00m

Sydney Kingsford Smith

Sat 15/11

08:30-14:00

1 stop6h 30m

$301

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Sat 15/11

06:40-10:40

Nonstop3h 00m

Sydney Kingsford Smith

Tue 18/11

07:05-20:55

1 stop14h 50m

$301

Flights are sorted by cheapest return flights first.

Deals found on 16/10

Showing 1-10 of 21 results
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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 10 October 2025.

The best time to book flights from Cairns to Sydney is 76 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, February is the cheapest month in which you can book a flight from Cairns to Sydney (average of $98). Flying from Cairns to Sydney in March is currently the most expensive (average of $152). 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 16 October 2025.

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 86% 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 12 October 2025.

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 16 October 2025.
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
421 reviews
Check prices

Food

6.4

Overall

7.6

Entertainment

6.4

Comfort

7.5

Crew

8.2

Boarding

7.7

Reviews

1 / 20
6.0
Good

Andrew,June 2025

MEL - CNS

We didn’t eat or drink, but feel like a sardine. No room at all.
Virgin Australia
7.6
Good
421 reviews
Virgin Australia
7.6
Good
421 reviews
Check prices

Food

6.4

Overall

7.6

Entertainment

6.4

Comfort

7.5

Crew

8.2

Boarding

7.7

Reviews

1 / 20
6.0
Good

Andrew,June 2025

MEL - CNS

We didn’t eat or drink, but feel like a sardine. No room at all.
Qantas Airways
7.5
Good
916 reviews
Virgin Australia
7.6
Good
421 reviews
Check prices

Food

6.4

Overall

7.6

Entertainment

6.4

Comfort

7.5

Crew

8.2

Boarding

7.7

Reviews

1 / 20
6.0
Good

Andrew,June 2025

MEL - CNS

We didn’t eat or drink, but feel like a sardine. No room at all.
Jetstar
6.5
Okay
475 reviews
Virgin Australia
7.6
Good
421 reviews
Check prices

Food

6.4

Overall

7.6

Entertainment

6.4

Comfort

7.5

Crew

8.2

Boarding

7.7

Reviews

1 / 20
6.0
Good

Andrew,June 2025

MEL - CNS

We didn’t eat or drink, but feel like a sardine. No room at all.

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 35 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 2,200 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 3h. The distance from Cairns to Sydney is about 1970 km. Most flights are nonstop.

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

    Currently priced at $125, 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 $151 and $193, respectively. You may be able to fly from Cairns to Sydney for 57% less than the average price by searching for these airlines.

  • 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 American Airlines(91%), Cathay Pacific(88%) or Qantas Airways(86%), 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 $294, our data shows the cheapest flight currently is $113. When looking at the most popular route, (Cairns - Sydney Kingsford Smith), you can expect to pay $224 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, February is the cheapest month in which you can book a flight from Cairns to Sydney (average of $98). Flying from Cairns to Sydney in March is currently the most expensive (average of $152). 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
Katoomba
Penrith
Manly
Terrigal
Randwick
Coogee
Cronulla
Leura
Lithgow
Bondi Beach

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 16 October 2025.
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 16 October 2025.
AirlineCheapestAverageFlexibilityOn-time
JetstarCheapest$125Average$285FlexibilityNo cancel feeOn-time74%
Search Jetstar flights
Virgin AustraliaCheapest$151Average$368FlexibilityNo cancel feeOn-time80%
Search Virgin Australia flights
Qantas AirwaysCheapest$193Average$623FlexibilityNo 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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