$100 Cheap Flights from Sydney (SYD) to Cairns (CNS)

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Sydney (SYD) to Cairns (CNS) at a glance

Travel from Sydney (SYD) to Cairns (CNS) with a selection of airlines on this domestic short-haul route. You can compare choices between full-service and budget carriers to discover the itinerary that aligns with your budget, schedule, and travel aspirations while exploring the iconic sights and neighborhoods of Cairns. Get all the essential information for flights departing from Kingsford Smith International Airport (SYD) to Cairns International Airport (CNS).

• Fastest flight duration: around 3 hours non-stop
• Route distance: roughly 1,200 miles (1,930 km)
• Flights per week: around 20+ flights with multiple daily departures on average
• Typical fares (one-way): economy tickets often range from $75–$335, depending on seasonality and how far ahead you book

Flights from Kingsford Smith International Airport (SYD) to Cairns International Airport (CNS)

Based on the latest traveler bookings, here are the top airlines favored for flights from Sydney to Cairns, primarily for non-stop and one-stop options. Many travelers opt for layovers at Brisbane Airport (BNE), typically around one hour, allowing you to tailor your journey by balancing price, total travel time, and cabin class to create the ideal itinerary.

• Jetstar: This budget airline provides direct flights, with one-way prices generally falling between $75 and $315. Jetstar represents about 54% of flights on this route, with a travel duration of approximately 3 hours.
• Virgin Australia: As a low-cost option, Virgin Australia offers both direct and one-stop services, with one-way fares typically between $100 and $420. This carrier makes up around 37% of departures, maintaining a non-stop flight time of about 3 hours.
• Qantas Airways: A full-service airline, Qantas offers both non-stop and one-stop flights, with one-way fares usually ranging from $135 to $655. This airline accounts for roughly 9% of departures on this route, with a standard non-stop journey time of 3 hours.

Travelers flying from Sydney to Cairns have the option to upgrade to business class with either Virgin Australia or Qantas Airways, enhancing their journey with superior service and comfort.

Best time to fly from Sydney (SYD) to Cairns (CNS)

The most popular months for travelers flying from Sydney to Cairns are January, March, and December, when peak temperatures in Cairns reach up to 80.4°F in January. If you prefer quieter travel, consider May, the least busy time to visit with temperatures around 73°F and typically the lowest average one-way fare (around $128). Flight availability peaks in December, with approximately 26 flights per week, making it easier to find convenient departure times.

• Cheapest time to fly: May usually offers good deals with average one-way fare around $128, roughly 23% cheaper than the yearly average.
• Another budget-friendly time to fly: June typically offers an average one-way fare of around $135.
• Most flight options: December has the highest number of flights from Sydney to Cairns, with approximately 26 flights per week, giving you more flexibility in scheduling your trip.

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from Sydney (SYD) to Cairns (CNS)

• Sydney to Mareeba (SYD-MRG): Mareeba Airport (MRG) lies approximately 25 miles from Cairns International Airport (CNS), making it a convenient option for travelers.
• Shellharbour to Cairns (WOL-CNS): Located around 48 miles from Kingsford Smith International Airport (SYD), Shellharbour Airport (WOL) provides accessible flight options to Cairns.
• Newcastle to Cairns (NTL-CNS): Williamtown Airport (NTL) is situated roughly 87 miles from Kingsford Smith International Airport (SYD), offering a viable route to Cairns.

How to find the best prices for flights from Sydney (SYD) to Cairns (CNS)

Getting some of the best deals on flights from Sydney to Cairns is all about timing and flexibility. Here are some key tips to help you save:

1. Best times to book and fly: cheaper fares are usually available when booking 2 to 8 weeks in advance, although most travelers tend to book at least 2 months ahead. Evening departures (6 PM to 12 AM) often offer lower prices, while morning flights (5 AM to 12 PM) are more popular. Additionally, flying on Tuesday typically provides cheaper rates, though Friday remains the busiest travel day.
2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.* Find Cairns hotel and flight deals.
4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Cairns International Airport from Kingsford Smith International Airport

Cairns welcomes travelers from Sydney with a range of transport options based on price, convenience, and proximity. Here's how to reach Cairns efficiently:

• Hotel transfer: Transfers offer a convenient way to reach your hotel in Cairns, with options including free hotel shuttles and private rides, which can be arranged in advance with your hotel.
• Car rental: Renting a car from Cairns International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Cairns International Airport on Expedia.
• Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
• Public transportation: From Cairns International Airport, both Cairns Station, a train station, and Cairns Seaport, a seaport, are located about 5 miles away by car, providing convenient options for travel to and from the airport.

Sydney to Cairns Flights

The cheapest times to fly from Sydney to Cairns

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Sydney to Cairns are during the month of February. You can find some of the cheapest flights from Sydney to Cairns with Expedia's search tool and vast selection of airlines.

The best time to book a flight from Sydney to Cairns

Sunday is one of the best days to book for cheap flights from Sydney to Cairns: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

How to find cheap round-trip tickets from Sydney to Cairns

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Sydney to Cairns in 2026. You can also book with separate airlines for your outbound and return journeys, from $100 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Sydney to Cairns flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

You could also save big by booking one of Expedia's vacation packages. Bundling together your Sydney to Cairns airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

*Terms apply.

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

Frequently Asked Questions

How much does a flight from Sydney, NSW (SYD-Kingsford Smith Intl.) to Cairns, QLD (CNS-Cairns Intl.) cost?

You can find cheap one-way flights from $100 and cheap return flights $200 Sydney, NSW (SYD-Kingsford Smith Intl.) to Cairns, QLD (CNS-Cairns Intl.) with Expedia. One-way flights generally range between $110 and $1770, and roundtrip flights usually range from $204 to $2308. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see the cheapest fares first, and use the Price Tracking tool to receive alerts when Sydney, NSW (SYD-Kingsford Smith Intl.) to Cairns, QLD (CNS-Cairns Intl.) ticket fares go up or down.

*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.

What is the cheapest month to fly from Sydney, NSW (SYD-Kingsford Smith Intl.) to Cairns, QLD (CNS-Cairns Intl.)?

The cheapest month to fly from SYD to CNS is February when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you're able to. Use the calendar view in your search to see which months have low fares on this route.

Which airlines fly direct from Sydney, NSW (SYD-Kingsford Smith Intl.) to Cairns, QLD (CNS-Cairns Intl.)?

There are 3 airlines offering direct flights from SYD to CNS:

• Jetstar operates around 22 direct flights from SYD to CNS every week
• Virgin Australia operates around 17 direct flights from SYD to CNS every week
• Qantas Airways operates around 9 direct flights from SYD to CNS every week

What is the cheapest airline that flies from Sydney, NSW (SYD-Kingsford Smith Intl.) to Cairns, QLD (CNS-Cairns Intl.)?

Virgin Australia is one of the cheapest airlines offering connecting flights from Sydney, NSW (SYD) to Cairns, QLD (CNS), with round-trip tickets starting from around $302. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.

*Prices based on flights available on Expedia in the last year.

How do I find cheap flights from Sydney, NSW (SYD-Kingsford Smith Intl.) to Cairns, QLD (CNS-Cairns Intl.)?

To find a cheap flight from Sydney, NSW (SYD-Kingsford Smith Intl.) to Cairns, QLD (CNS-Cairns Intl.), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.

What is the best airline to fly with from Sydney, NSW (SYD-Kingsford Smith Intl.) to Cairns, QLD (CNS-Cairns Intl.)?

The best airline to fly with from Sydney, NSW (SYD) to Cairns, QLD (CNS) will differ from traveler to traveler. If you like to fly early, Jetstar offers early morning flights. If price is the most important factor, Virgin Australia typically offers the lowest fares. Virgin Australia offers the most daily flights from SYD to CNS, which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.

What is the best time to fly from Sydney, NSW (SYD-Kingsford Smith Intl.) to Cairns, QLD (CNS-Cairns Intl.)?

The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.

How many flights per day from Sydney, NSW (SYD-Kingsford Smith Intl.) to Cairns, QLD (CNS-Cairns Intl.)?

On average, there are around 7 nonstop flights per day from Kingsford Smith Intl. (SYD) to Cairns Intl. (CNS). For more options, look at flights that include layovers.

What is the earliest flight from Sydney, NSW (SYD-Kingsford Smith Intl.) to Cairns, QLD (CNS-Cairns Intl.)?

The earliest flight from Sydney, NSW (SYD-Kingsford Smith Intl.) to Cairns, QLD (CNS-Cairns Intl.) usually departs at around 6:00 AM, operated by Jetstar. This seasonal service is active in February and March, making it a great option for an early start to your adventure in Cairns. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.

What are the most popular departure times for flights from Sydney, NSW (SYD-Kingsford Smith Intl.) to Cairns, QLD (CNS-Cairns Intl.)?

When flying from Sydney (SYD) to Cairns (CNS), the most popular departure times are from 6am to 9am. This time frame attracts about 27% of travelers, likely because it allows for a full day of activities in Cairns. Major airlines like Qantas and Virgin Australia offer flights during this busy morning period.

How long does it take to fly from Sydney, NSW (SYD-Kingsford Smith Intl.) to Cairns, QLD (CNS-Cairns Intl.)?

A nonstop flight from SYD to CNS typically takes around 3 hours, covering approximately 1,226 miles. Connecting flights on this route usually add 4 hours to your travel time. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.

Can you fly business or first class from Sydney, NSW (SYD-Kingsford Smith Intl.) to Cairns, QLD (CNS-Cairns Intl.)?

Business class seats are offered on the SYD to CNS route with Qantas Airways and Virgin Australia.

How much is a business class flight from Sydney, NSW (SYD-Kingsford Smith Intl.) to Cairns, QLD (CNS-Cairns Intl.)?

A direct, return business class ticket from Sydney, NSW (SYD) to Cairns, QLD (CNS) typically costs between $1,192 - $2,264. A non-stop, one-way business class flight is usually around $390 - $909. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Sydney, NSW (SYD-Kingsford Smith Intl.) to Cairns, QLD (CNS-Cairns Intl.) if you opt for a connecting flight.

*Prices based on flights available on Expedia in the last year.

How do I earn miles on a Sydney, NSW (SYD-Kingsford Smith Intl.) to Cairns, QLD (CNS-Cairns Intl.) flight with Expedia?

It's easy to earn miles on a Sydney, NSW (SYD-Kingsford Smith Intl.) to Cairns, QLD (CNS-Cairns Intl.) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.

*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.

What airports do you fly into for Cairns from Kingsford Smith Intl. (SYD)?

From Kingsford Smith Intl. (SYD), you can fly into Cairns Intl. (CNS) to reach Cairns. Some flights may connect through major hubs like Tullamarine (MEL) before reaching Cairns. Compare routes and airports on Expedia to find the best flight options for your travel plans.

Is it cheaper to buy a plane ticket from Sydney, NSW (SYD-Kingsford Smith Intl.) to Cairns, QLD (CNS-Cairns Intl.) at the last minute?

Typically, booking a last minute flight from Sydney, NSW (SYD-Kingsford Smith Intl.) to Cairns, QLD (CNS-Cairns Intl.) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.

Is it cheaper to book a Sydney, NSW (SYD-Kingsford Smith Intl.) to Cairns, QLD (CNS-Cairns Intl.) flight and hotel package?

Securing a Sydney, NSW (SYD-Kingsford Smith Intl.) to Cairns, QLD (CNS-Cairns Intl.) Cairns Vacation Packages is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.

Can I cancel or change the date of my flight from Sydney, NSW (SYD-Kingsford Smith Intl.) to Cairns, QLD (CNS-Cairns Intl.)?

If you booked your Sydney, NSW (SYD-Kingsford Smith Intl.) to Cairns, QLD (CNS-Cairns Intl.) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.