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Cheap flights from Cairns to Sydney from £67

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 4/8. Fares are subject to change and may not be available on all flights or dates of travel.
CNS — SYD
2 Aug — 9 Aug1
1 adult
1 adult, Economy, 0 bags
Cheapflights Tip: The best prices from Cairns to Sydney Kingsford Smith are usually found in January or August, booked 81 days in advance, depart on a Tuesday or Monday and return on a Wednesday

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 3 July 2026.

Wed 5/819:10
CNS
-
SYD
Nonstop2h 55m
Jetstar
Tue 11/806:10
SYD
-
CNS
Nonstop3h 10m
Jetstar
Deal found 1/7£116
Fri 24/719:10
CNS
-
SYD
Nonstop2h 55m
Jetstar
Tue 28/715:15
SYD
-
CNS
Nonstop3h 10m
Jetstar
Deal found 1/7£125
Sun 2/806:45
CNS
-
SYD
Nonstop3h 00m
Jetstar
Wed 5/819:15
SYD
-
CNS
Nonstop3h 10m
Jetstar
Deal found 3/7£129
Fri 7/819:10
CNS
-
SYD
Nonstop2h 55m
Jetstar
Sun 9/806:10
SYD
-
CNS
Nonstop3h 10m
Jetstar
Deal found 29/6£134
Mon 17/806:45
CNS
-
SYD
Nonstop3h 00m
Jetstar
Mon 24/819:15
SYD
-
CNS
Nonstop3h 10m
Jetstar
Deal found 3/7£136
Fri 24/713:30
CNS
-
SYD
Nonstop2h 55m
Jetstar
Fri 24/719:15
SYD
-
CNS
Nonstop3h 10m
Jetstar
Deal found 30/6£139
Wed 2/919:10
CNS
-
SYD
Nonstop2h 55m
Jetstar
Mon 7/919:15
SYD
-
CNS
Nonstop3h 10m
Jetstar
Deal found 3/7£140
Thu 6/819:10
CNS
-
SYD
Nonstop2h 55m
Jetstar
Fri 7/819:15
SYD
-
CNS
Nonstop3h 10m
Jetstar
Deal found 29/6£146
Fri 7/819:15
CNS
-
SYD
Nonstop2h 55m
Multiple Airlines
Sun 9/806:10
SYD
-
CNS
Nonstop3h 10m
Multiple Airlines
Deal found 30/6£149
Thu 6/806:45
CNS
-
SYD
Nonstop3h 00m
Jetstar
Mon 10/806:10
SYD
-
CNS
Nonstop3h 10m
Jetstar
Deal found 28/6£151

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 3 July 2026.

Round-trip from

£116

One-way from

£67

Popular in

June

Cheapest in

January

Average price

£164

Good round-trip deal

£176 or less

Good one-way deal

£82 or less
Jetstar
  • Jetstar
  • 23/7-28/7
  • Nonstop
  • 6h 05m total
  • Cairns to Sydney
Search Deals
Jetstar
  • Jetstar
  • 30/7
  • Nonstop
  • 2h 55m total
  • Cairns to Sydney
Search Deals
Highest demand for flights based on searches. 7% potential increase in price (£9 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease (£3 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2026
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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.
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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 858,174 searches. Data last updated 3 July 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
Fastest return journey

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Fri 24/7

13:30-16:25

Nonstop2h 55m

Sydney Kingsford Smith

Fri 24/7

19:15-22:25

Nonstop3h 10m

£139

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Wed 2/9

19:10-22:05

Nonstop2h 55m

Sydney Kingsford Smith

Mon 7/9

19:15-22:25

Nonstop3h 10m

£140

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Sun 16/8

06:45-09:45

Nonstop3h 00m

Sydney Kingsford Smith

Sun 23/8

06:10-09:20

Nonstop3h 10m

£168

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Mon 24/8

19:10-22:05

Nonstop2h 55m

Sydney Kingsford Smith

Thu 27/8

19:15-22:25

Nonstop3h 10m

£179

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Wed 23/9

13:30-16:25

Nonstop2h 55m

Sydney Kingsford Smith

Wed 30/9

19:15-22:25

Nonstop3h 10m

£194

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Fri 4/9

19:15-22:10

Nonstop2h 55m

Sydney Kingsford Smith

Tue 8/9

08:10-11:25

Nonstop3h 15m

£208

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Sat 15/8

13:55-18:40

1 stop4h 45m

Sydney Kingsford Smith

Sat 22/8

06:00-11:15

1 stop5h 15m

£220

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Thu 8/10

14:50-22:20

1 stop6h 30m

Sydney Kingsford Smith

Sun 11/10

10:30-14:05

1 stop4h 35m

£224

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Tue 4/8

06:00-10:40

1 stop4h 40m

Sydney Kingsford Smith

Sat 8/8

08:00-16:10

1 stop8h 10m

£224

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Fri 14/8

06:00-12:40

1 stop6h 40m

Sydney Kingsford Smith

Fri 21/8

17:00-23:20

1 stop6h 20m

£224

Flights are sorted by cheapest return flights first.

Deals found on 1/7

Showing 1-10 of 22 resultsSorted by cheapest first
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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?

The price you pay for your flight from Cairns to Sydney may vary depending on when you book. For the best chance of a lower fare, look to book 90 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.

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 £120). Flying from Cairns to Sydney in June is currently the most expensive (average of £185). 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 3 July 2026.

When flying from Cairns to Sydney, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

How much does it cost for a return flight from Cairns to Sydney?

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.

  • How popular is this Cairns to Sydney flight route?

    Flights from Cairns to Sydney Kingsford Smith have been viewed 8 times in the past calendar month.

  • How long is the flight from Cairns to Sydney?

    Jetstar can get you from Cairns to Sydney in just under 2h 55m. Your travel time will be generally consistent. The distance between Cairns and Sydney is about 1224 mi. Generally, flights for this route are direct.

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

    £53 is the cheapest one-way deal found within the past few days, from Jetstar. You may also be able to find cheap deals on Virgin Australia and Qantas Airways, with prices starting from £69 and £98, respectively.

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

    Before booking your flight to Sydney from Cairns, check out the most reliable airlines to get you to your destination on time: Japan Airlines (100%), Jetstar (95%), IndiGo( 93%).

  • What are the cheapest flights from Cairns to Sydney?

    The cheapest flight price from Cairns to Sydney is £61. On average you can expect to pay £148. The most popular route, (Cairns - Sydney Kingsford Smith), can usually be booked for £199.

  • 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 £120). Flying from Cairns to Sydney in June is currently the most expensive (average of £185). 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
Bondi Beach
Wollongong
Parramatta
Coogee
Manly

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Deals for Cairns to Sydney flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

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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.

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Yes! Cheapflights helps users easily find flights from Cairns to Sydney with no change fees.

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Not ready to book yet? You can track prices for flights from Cairns to Sydney on Cheapflights with our Price Alert feature and get notified when better prices are available.

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