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 28/3. Fares are subject to change and may not be available on all flights or dates of travel.
CNS — SYD
10 Jan — 17 Jan1
Return
1 adult
Economy
Return
1 adult, Economy, 0 bags
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 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 11 December 2025.
Mon 15/1206:40CNS - SYD
Nonstop3h 00mJetstar
Tue 16/1206:20SYD - CNS
Nonstop3h 00mJetstar
Deal found 9/12$269
Sat 13/1218:05CNS - SYD
Nonstop3h 00mJetstar
Wed 17/1206:20SYD - CNS
Nonstop3h 00mJetstar
Deal found 9/12$299
Sat 13/1218:05CNS - SYD
Nonstop3h 00mJetstar
Tue 16/1220:25SYD - CNS
Nonstop3h 05mJetstar
Deal found 8/12$301
Mon 15/1206:40CNS - SYD
Nonstop3h 00mMultiple Airlines
Tue 16/1217:00SYD - CNS
1 stop7h 05mMultiple Airlines
Deal found 9/12$305
Sun 14/1206:40CNS - SYD
Nonstop3h 00mJetstar
Thu 18/1206:20SYD - CNS
Nonstop3h 00mJetstar
Deal found 10/12$337
Wed 17/1206:40CNS - SYD
Nonstop3h 00mMultiple Airlines
Thu 18/1207:00SYD - CNS
1 stop5h 00mMultiple Airlines
Deal found 8/12$338
Sat 13/1218:05CNS - SYD
Nonstop3h 00mMultiple Airlines
Tue 16/1209:00SYD - CNS
1 stop6h 00mMultiple Airlines
Deal found 8/12$344
Sun 14/1206:40CNS - SYD
Nonstop3h 00mMultiple Airlines
Thu 18/1207:00SYD - CNS
1 stop5h 00mMultiple Airlines
Deal found 10/12$347
Wed 17/1206:40CNS - SYD
Nonstop3h 00mJetstar
Thu 18/1206:20SYD - CNS
Nonstop3h 00mJetstar
Deal found 8/12$349
Sat 13/1209:15CNS - SYD
1 stop8h 25mMultiple Airlines
Wed 17/1206:20SYD - CNS
Nonstop3h 00mMultiple Airlines
Deal found 9/12$367
Fri 12/1218:05CNS - SYD
Nonstop3h 00mJetstar
Sun 14/1206:20SYD - CNS
Nonstop3h 00mJetstar
Deal found 10/12$393
Fri 12/1211:40CNS - SYD
1 stop6h 00mMultiple Airlines
Sun 14/1206:20SYD - CNS
Nonstop3h 00mMultiple Airlines
Deal found 10/12$397
Best flights from Cairns to Sydney
Discover carefully curated flight deals from Cairns to Sydney that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 11 December 2025.
Thu 22/115:50CNS - SYD
Nonstop3h 00mJetstar
Sun 25/106:20SYD - CNS
Nonstop3h 00mJetstar
Deal found 10/12$196
Thu 22/118:05CNS - SYD
Nonstop3h 00mMultiple Airlines
Mon 26/114:40SYD - CNS
Nonstop3h 05mMultiple Airlines
Deal found 10/12$230
Sat 24/106:40CNS - SYD
Nonstop3h 00mJetstar
Sat 31/106:20SYD - CNS
Nonstop3h 00mJetstar
Deal found 10/12$197
Sun 8/206:40CNS - SYD
Nonstop3h 00mJetstar
Sun 15/206:20SYD - CNS
Nonstop3h 00mJetstar
Deal found 9/12$217
Fri 27/215:45CNS - SYD
Nonstop3h 00mMultiple Airlines
Sun 1/306:20SYD - CNS
Nonstop3h 00mMultiple Airlines
Deal found 10/12$263
Thu 15/106:40CNS - SYD
Nonstop3h 00mJetstar
Mon 19/120:25SYD - CNS
Nonstop3h 05mJetstar
Deal found 9/12$218
Sun 8/206:40CNS - SYD
Nonstop3h 00mJetstar
Tue 10/206:20SYD - CNS
Nonstop3h 00mJetstar
Deal found 9/12$224
Sun 8/206:40CNS - SYD
Nonstop3h 00mMultiple Airlines
Tue 10/212:50SYD - CNS
Nonstop3h 05mMultiple Airlines
Deal found 9/12$274
Wed 11/306:40CNS - SYD
Nonstop3h 00mJetstar
Wed 18/306:20SYD - CNS
Nonstop3h 00mJetstar
Deal found 10/12$224
Thu 22/111:40CNS - SYD
1 stop6h 00mMultiple Airlines
Sun 25/120:25SYD - CNS
Nonstop3h 05mMultiple Airlines
Deal found 10/12$304
Direct flights from Cairns to Sydney
Explore direct flight options from Cairns to Sydney based on user searches, and compare prices and availability for your desired travel dates. Data last updated 11 December 2025.
Thu 22/115:50CNS - SYD
Nonstop3h 00mJetstar
Wed 28/111:45SYD - CNS
Nonstop3h 05mJetstar
Deal found 10/12$190
Sat 24/106:40CNS - SYD
Nonstop3h 00mJetstar
Sat 31/106:20SYD - CNS
Nonstop3h 00mJetstar
Deal found 10/12$196
Thu 15/106:40CNS - SYD
Nonstop3h 00mJetstar
Mon 19/120:25SYD - CNS
Nonstop3h 05mJetstar
Deal found 9/12$217
Sun 8/206:40CNS - SYD
Nonstop3h 00mJetstar
Tue 10/206:20SYD - CNS
Nonstop3h 00mJetstar
Deal found 9/12$224
Tue 13/118:05CNS - SYD
Nonstop3h 00mJetstar
Wed 14/120:25SYD - CNS
Nonstop3h 05mJetstar
Deal found 9/12$227
Thu 22/118:05CNS - SYD
Nonstop3h 00mMultiple Airlines
Mon 26/114:40SYD - CNS
Nonstop3h 05mMultiple Airlines
Deal found 10/12$230
Fri 23/106:40CNS - SYD
Nonstop3h 00mJetstar
Fri 30/115:25SYD - CNS
Nonstop3h 05mJetstar
Deal found 8/12$235
Wed 11/306:40CNS - SYD
Nonstop3h 00mJetstar
Fri 13/306:20SYD - CNS
Nonstop3h 00mJetstar
Deal found 10/12$236
Last-minute flights from Cairns to Sydney
Discover last-minute flight deals from Cairns to Sydney. Data last updated 11 December 2025 and is based on user searches.
Tue 13/118:05CNS - SYD
Nonstop3h 00mJetstar
Wed 14/120:25SYD - CNS
Nonstop3h 05mJetstar
Deal found 9/12$227
Thu 15/106:40CNS - SYD
Nonstop3h 00mJetstar
Mon 19/120:25SYD - CNS
Nonstop3h 05mJetstar
Deal found 9/12$217
Thu 22/115:50CNS - SYD
Nonstop3h 00mJetstar
Wed 28/111:45SYD - CNS
Nonstop3h 05mJetstar
Deal found 10/12$190
Thu 22/118:05CNS - SYD
Nonstop3h 00mMultiple Airlines
Mon 26/114:40SYD - CNS
Nonstop3h 05mMultiple Airlines
Deal found 10/12$230
Fri 23/106:40CNS - SYD
Nonstop3h 00mJetstar
Fri 30/115:25SYD - CNS
Nonstop3h 05mJetstar
Deal found 8/12$235
Fri 23/117:35CNS - SYD
Nonstop3h 00mMultiple Airlines
Fri 30/115:25SYD - CNS
Nonstop3h 05mMultiple Airlines
Deal found 9/12$248
Sat 24/106:40CNS - SYD
Nonstop3h 00mJetstar
Sat 31/106:20SYD - CNS
Nonstop3h 00mJetstar
Deal found 10/12$196
One-way flights from Cairns to Sydney
Search for one-way flight options from Cairns to Sydney. Find affordable one-way fares based on user searches. Data last updated 11 December 2025.
Sat 28/318:05CNS - SYD
Nonstop3h 00mJetstar
Deal found 10/12$120
Thu 5/206:40CNS - SYD
Nonstop3h 00mJetstar
Deal found 9/12$125
Wed 17/1206:40CNS - SYD
Nonstop3h 00mJetstar
Deal found 8/12$126
Sat 21/318:05CNS - SYD
Nonstop3h 00mJetstar
Deal found 8/12$128
Fri 6/218:05CNS - SYD
Nonstop3h 00mJetstar
Deal found 9/12$134
Mon 12/117:35CNS - SYD
Nonstop3h 00mVirgin Australia
Deal found 8/12$143
Fri 16/115:50CNS - SYD
Nonstop3h 00mJetstar
Deal found 10/12$144
Sat 20/1215:50CNS - SYD
Nonstop3h 00mJetstar
Deal found 10/12$158
Sun 21/1206:40CNS - SYD
Nonstop3h 00mJetstar
Deal found 9/12$168
Tue 3/215:45CNS - SYD
Nonstop3h 00mVirgin Australia
Deal found 10/12$170
Tue 31/319:25CNS - SYD
1 stop12h 05mJetstar
Deal found 9/12$180
Fri 19/1206:40CNS - SYD
Nonstop3h 00mJetstar
Deal found 10/12$182
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 11 December 2025.
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 11 December 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 22/1
15:50-19:50
Nonstop3h 00m
Sydney Kingsford Smith
Sun 25/1
06:20-08:20
Nonstop3h 00m
$196
CairnsSydney
CNS - SYD
CNSSYD
Cairns
Sat 24/1
06:40-10:40
Nonstop3h 00m
Sydney Kingsford Smith
Sat 31/1
06:20-08:20
Nonstop3h 00m
$197
CairnsSydney
CNS - SYD
CNSSYD
Cairns
Sun 8/2
06:40-10:40
Nonstop3h 00m
Sydney Kingsford Smith
Sun 15/2
06:20-08:20
Nonstop3h 00m
$217
CairnsSydney
CNS - SYD
CNSSYD
Cairns
Thu 15/1
06:40-10:40
Nonstop3h 00m
Sydney Kingsford Smith
Mon 19/1
20:25-22:30
Nonstop3h 05m
$218
CairnsSydney
CNS - SYD
CNSSYD
Cairns
Sun 8/2
06:40-10:40
Nonstop3h 00m
Sydney Kingsford Smith
Tue 10/2
06:20-08:20
Nonstop3h 00m
$224
CairnsSydney
CNS - SYD
CNSSYD
Cairns
Wed 11/3
06:40-10:40
Nonstop3h 00m
Sydney Kingsford Smith
Wed 18/3
06:20-08:20
Nonstop3h 00m
$224
CairnsSydney
CNS - SYD
CNSSYD
Cairns
Thu 22/1
18:05-22:05
Nonstop3h 00m
Sydney Kingsford Smith
Mon 26/1
14:40-16:45
Nonstop3h 05m
$230
CairnsSydney
CNS - SYD
CNSSYD
Cairns
Fri 27/2
15:45-19:45
Nonstop3h 00m
Sydney Kingsford Smith
Sun 1/3
06:20-08:20
Nonstop3h 00m
$263
CairnsSydney
CNS - SYD
CNSSYD
Cairns
Sun 8/2
06:40-10:40
Nonstop3h 00m
Sydney Kingsford Smith
Tue 10/2
12:50-14:55
Nonstop3h 05m
$274
CairnsSydney
CNS - SYD
CNSSYD
Cairns
Thu 22/1
11:40-18:40
1 stop6h 00m
Sydney Kingsford Smith
Sun 25/1
20:25-22:30
Nonstop3h 05m
$304
Flights are sorted by cheapest return flights first.
Deals found on 10/12
Showing 1-10 of 18 results
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
Prices
Airlines
Delays
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 5 December 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 $92). Flying from Cairns to Sydney in March is currently the most expensive (average of $149). 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 11 December 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 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 6 December 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.
How much does it cost for a return flight from Cairns to Sydney?
Weekly flight availability from Cairns to Sydney
Explore weekly flight availability from Cairns to Sydney. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated 11 December 2025.
The most flights from CNS to SYD are scheduled on a Monday (35 on average). You will have fewer flight options on Friday, which is when the least amount of flights are scheduled (22 on average).
How often are flights from Cairns to Sydney delayed?
About 13% of weekly flights between Cairns and Sydney have experienced delays in the past year, with the average delay time being 97 minutes.
What is the most punctual flight time for Cairns to Sydney flights?
Historically, flights departing in the morning are less likely to be delayed, whereas flights leaving at night tend to experience delays more often.
What day of the week experiences the fewest flight delays on this route?
Sunday tends to have the lowest number of delays on this route, whereas Friday has historically faced a higher average of delays compared to other days of the week.
Which airline has the best punctuality record on Cairns to Sydney flights?
Over the past year, Aruba Airlines have had the lowest number of delays on this route, with just 8% of flights being delayed.
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 11 December 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.
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 27 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 1,970 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 $102, 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 $123 and $189, respectively. You may be able to fly from Cairns to Sydney for 63% 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 $97. Virgin Australia flights start at $129 while deals on Qantas Airways start at $185 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 American Airlines(91%), China Southern(86%) or China Eastern(78%), 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 $270, 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 $190 for that flight.
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 $92). Flying from Cairns to Sydney in March is currently the most expensive (average of $149). 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.
Book flights to Sydney if you plan to visit one of these locations
Parramatta
Wollongong
Katoomba
Penrith
Terrigal
Manly
Randwick
Lithgow
Coogee
Leura
Bondi Beach
Cronulla
Browse thousands of different options on Cheapflights for your next trip
Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
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 11 December 2025.
Explore flights to Sydney departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 11 December 2025.
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 11 December 2025.
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!
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book With Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
We value your privacy
Cheapflights and its partners wish to use cookies or similar technologies to store and/or access information on and about your device and process personal data such as your IP address, device identifiers etc., in order to improve your experience on the site, to analyse navigation, to offer and measure personalised advertising, and to facilitate sharing on social networks. We also allow the use of third-party cookies (including those from our advertising partners) on our sites.
By clicking 'Accept', you consent to your data being processed by 0 vendors on this web site for the purposes described in this notice. You can review the vendors and their individual processing purposes on the .
To review individual processing purposes and cookie categories, please click ’Select individual purposes’. You can review your choices and withdraw your consent at any time by clicking the ’Privacy Preferences’ link in the page side navigation.