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Cheap flights from Cairns to Sydney from £74

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 15/3. Fares are subject to change and may not be available on all flights or dates of travel.
CNS — SYD
6 Dec — 13 Dec1
1 adult
1 adult, Economy, 0 bags

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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 6 November 2025.

Thu 4/1218:05CNS - SYD
Nonstop3h 00mJetstar
Sun 7/1220:25SYD - CNS
Nonstop3h 05mJetstar
Deal found 4/11£119
Wed 3/1218:05CNS - SYD
Nonstop3h 00mJetstar
Wed 10/1206:20SYD - CNS
Nonstop3h 00mJetstar
Deal found 5/11£128
Wed 10/1209:05CNS - SYD
Nonstop2h 55mJetstar
Wed 10/1215:25SYD - CNS
Nonstop3h 05mJetstar
Deal found 5/11£149
Wed 26/1112:05CNS - SYD
1 stop7h 35mJetstar
Fri 28/1115:25SYD - CNS
Nonstop3h 05mJetstar
Deal found 5/11£166
Thu 4/1211:40CNS - SYD
1 stop6h 30mMultiple Airlines
Sun 7/1220:25SYD - CNS
Nonstop3h 05mMultiple Airlines
Deal found 4/11£170
Fri 19/1206:40CNS - SYD
Nonstop3h 00mMultiple Airlines
Fri 26/1208:30SYD - CNS
1 stop9h 10mMultiple Airlines
Deal found 3/11£200
Wed 3/1206:00CNS - SYD
1 stop9h 15mMultiple Airlines
Wed 10/1213:00SYD - CNS
1 stop4h 40mMultiple Airlines
Deal found 5/11£202
Tue 16/1206:00CNS - SYD
1 stop4h 40mVirgin Australia
Tue 16/1213:00SYD - CNS
1 stop4h 40mVirgin Australia
Deal found 5/11£203
Sun 7/1214:40CNS - SYD
1 stop6h 45mVirgin Australia
Fri 12/1210:30SYD - CNS
1 stop4h 30mVirgin Australia
Deal found 5/11£209
Fri 12/1209:15CNS - SYD
1 stop4h 25mVirgin Australia
Mon 15/1207:30SYD - CNS
1 stop4h 30mVirgin Australia
Deal found 5/11£240

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 6 November 2025.

Round-trip from

£109

One-way from

£74

Popular in

October

Cheapest in

March

Average price

£173

Good one-way deal

£92 or less
Jetstar
  • Jetstar
  • 10/2-18/2
  • Nonstop
  • 6h 00m total
  • Cairns to Sydney
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Virgin Australia
  • Virgin Australia
  • 15/3
  • Nonstop
  • 3h 00m total
  • Cairns to Sydney
Search Deals
Highest demand for flights based on searches. 10% potential increase in price (£13 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease (£4 potential savings vs. average return price).
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Average for round-trip flights in November 2025
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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 6 November 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

Thu 4/12

18:05-22:05

Nonstop3h 00m

Sydney Kingsford Smith

Sun 7/12

20:25-22:30

Nonstop3h 05m

£119

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Wed 10/12

09:05-13:00

Nonstop2h 55m

Sydney Kingsford Smith

Wed 10/12

15:25-17:30

Nonstop3h 05m

£149

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Wed 3/12

06:00-16:15

1 stop9h 15m

Sydney Kingsford Smith

Wed 10/12

06:20-08:20

Nonstop3h 00m

£153

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Tue 16/12

06:00-12:40

1 stop5h 40m

Sydney Kingsford Smith

Tue 16/12

20:25-22:30

Nonstop3h 05m

£166

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Mon 16/3

06:40-10:40

Nonstop3h 00m

Sydney Kingsford Smith

Mon 16/3

18:00-23:05

1 stop6h 05m

£166

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Wed 26/11

12:05-20:40

1 stop7h 35m

Sydney Kingsford Smith

Fri 28/11

15:25-17:30

Nonstop3h 05m

£166

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Thu 4/12

11:40-19:10

1 stop6h 30m

Sydney Kingsford Smith

Sun 7/12

20:25-22:30

Nonstop3h 05m

£170

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Wed 25/2

10:55-14:55

Nonstop3h 00m

Sydney Kingsford Smith

Tue 17/3

19:00-23:05

1 stop5h 05m

£176

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Wed 25/3

15:45-19:45

Nonstop3h 00m

Sydney Kingsford Smith

Sun 29/3

08:10-10:25

Nonstop3h 15m

£176

CairnsSydney

CNS - SYD

CNSSYD

Cairns

Wed 25/3

18:05-22:05

Nonstop3h 00m

Sydney Kingsford Smith

Sun 29/3

20:45-22:50

Nonstop3h 05m

£176

Flights are sorted by cheapest return flights first.

Deals found on 4/11

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 31 October 2025.

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 76 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, February is the cheapest month in which you can book a flight from Cairns to Sydney (average of £50). Flying from Cairns to Sydney in March is currently the most expensive (average of £76). 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 6 November 2025.

It’s typically best to fly out from Cairns to Sydney in the afternoon. Doing so could potentially save you 49% on the flight price compared to flying at midday, which is usually more expensive.

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 15 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 3h. 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 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: American Airlines (91%), Cathay Pacific (89%), Qantas Airways( 84%).

  • What are the cheapest flights from Cairns to Sydney?

    The cheapest flight price from Cairns to Sydney is £54. On average you can expect to pay £123. The most popular route, (Cairns - Sydney Kingsford Smith), can usually be booked for £203.

  • 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 £50). Flying from Cairns to Sydney in March is currently the most expensive (average of £76). 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
Coogee
Manly

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Alternative routes for Cairns to Sydney

See prices for flight routes from nearby airports that may be better suited for you.
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Fly with Cheapflights

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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.

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

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

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

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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