$337 Cheap Flights from Cairns (CNS) to Mount Isa (ISA)

View $337 flight on Thu, Nov 20, 2025Opens in a new window

Popular airlines from Cairns Intl. Airport (CNS) to Mount Isa, QLD (ISA)

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Cheap Flights from Cairns to Mount Isa (CNS-ISA)

Prices were available within the past 7 days and start at $337 for one-way flights and $718 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Qantas Airways
Fri, Jul 4 - Wed, Jul 16
CNS
Cairns
ISA
Mount Isa
$718 Roundtrip, found 5 days ago
$718
Roundtrip
found 5 days ago
Select Qantas Airways flight, departing Fri, Jul 4 from Cairns to Mount Isa, returning Wed, Jul 16, priced at $718 found 5 days ago
Qantas Airways
Fri, Jul 4 - Tue, Jul 15
CNS
Cairns
ISA
Mount Isa
$739 Roundtrip, found 5 days ago
$739
Roundtrip
found 5 days ago
Select Qantas Airways flight, departing Fri, Jul 4 from Cairns to Mount Isa, returning Tue, Jul 15, priced at $739 found 5 days ago
Qantas Airways
Tue, Jul 8 - Tue, Jul 15
CNS
Cairns
ISA
Mount Isa
$758 Roundtrip, found 5 days ago
$758
Roundtrip
found 5 days ago
Select Qantas Airways flight, departing Tue, Jul 8 from Cairns to Mount Isa, returning Tue, Jul 15, priced at $758 found 5 days ago
Virgin Australia
Sat, Aug 9 - Mon, Aug 11
CNS
Cairns
ISA
Mount Isa
$762 Roundtrip, found 11 hours ago
$762
Roundtrip
found 11 hours ago
Select Virgin Australia flight, departing Sat, Aug 9 from Cairns to Mount Isa, returning Mon, Aug 11, priced at $762 found 11 hours ago
Qantas Airways
Thu, Jul 10 - Tue, Jul 15
CNS
Cairns
ISA
Mount Isa
$763 Roundtrip, found 5 days ago
$763
Roundtrip
found 5 days ago
Select Qantas Airways flight, departing Thu, Jul 10 from Cairns to Mount Isa, returning Tue, Jul 15, priced at $763 found 5 days ago
Qantas Airways
Fri, Jul 11 - Fri, Jul 18
CNS
Cairns
ISA
Mount Isa
$765 Roundtrip, found 5 days ago
$765
Roundtrip
found 5 days ago
Select Qantas Airways flight, departing Fri, Jul 11 from Cairns to Mount Isa, returning Fri, Jul 18, priced at $765 found 5 days ago
Qantas Airways
Mon, Jul 7 - Tue, Jul 15
CNS
Cairns
ISA
Mount Isa
$766 Roundtrip, found 5 days ago
$766
Roundtrip
found 5 days ago
Select Qantas Airways flight, departing Mon, Jul 7 from Cairns to Mount Isa, returning Tue, Jul 15, priced at $766 found 5 days ago
Qantas Airways
Wed, Jul 9 - Wed, Jul 16
CNS
Cairns
ISA
Mount Isa
$789 Roundtrip, found 5 days ago
$789
Roundtrip
found 5 days ago
Select Qantas Airways flight, departing Wed, Jul 9 from Cairns to Mount Isa, returning Wed, Jul 16, priced at $789 found 5 days ago
Qantas Airways
Fri, Jul 4 - Sun, Jul 13
CNS
Cairns
ISA
Mount Isa
$795 Roundtrip, found 5 days ago
$795
Roundtrip
found 5 days ago
Select Qantas Airways flight, departing Fri, Jul 4 from Cairns to Mount Isa, returning Sun, Jul 13, priced at $795 found 5 days ago
Virgin Australia
Sat, Aug 9 - Mon, Aug 11
CNS
Cairns
ISA
Mount Isa
$800 Roundtrip, found 11 hours ago
$800
Roundtrip
found 11 hours ago
Select Virgin Australia flight, departing Sat, Aug 9 from Cairns to Mount Isa, returning Mon, Aug 11, priced at $800 found 11 hours ago
Flights from Cairns (CNS) to Mount Isa (ISA)
Origin airport
Cairns Intl.
Destination airport
Mount Isa
Airlines serving
Virgin Australia
Roundtrip price
$718
Distance
486 mi
Average flight time
4 hours 23 mins

Cairns to Mount Isa Flights

The cheapest times to fly from Cairns to Mount Isa

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 Cairns to Mount Isa are during the month of July. You can find some of the cheapest flights from Cairns to Mount Isa with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Cairns to Mount Isa

Sunday is one of the best days to book for cheap flights from Cairns to Mount Isa: 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 Cairns to Mount Isa

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 Cairns to Mount Isa in 2025. You can also book with separate airlines for your outbound and return journeys, from $337 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 Cairns to Mount Isa 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 Cairns to Mount Isa 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 Cairns Intl. Airport (CNS) to Mount Isa Airport (ISA) cost?
Discover the latest flight deals from CNS to ISA by entering your preferred travel dates and searching on Expedia. Easily compare prices by departure date if you have flexibility with your schedule and use handy filters to explore prices for your preferred journey. As a member of One Key™, our free loyalty program, you can use Price Tracking to watch fares and receive notifications if prices go up or down.
What is the cheapest month to fly from CNS to ISA?
The cheapest flights from CNS to ISA are usually during off-peak season, when demand is lower. To save money, avoid flying during public holidays, school breaks and major local events.
Which airlines fly direct from Cairns Intl. Airport (CNS) to Mount Isa Airport (ISA)?
Board a direct flight with Rex Regional Express and fly straight from Cairns Intl. Airport (CNS) to Mount Isa Airport (ISA).
What is the cheapest airline that flies from CNS to ISA?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that'll take you from CNS to ISA. Sort your results by "Price (lowest to highest)" to snap up a great deal.
How many flights per day from Cairns Intl. Airport (CNS) to Mount Isa Airport (ISA)?
On average, you can choose from 5 direct weekly flights from Cairns Intl. Airport (CNS) to Mount Isa Airport (ISA). For greater flexibility, consider a flight with a layover. Just enter your details on Expedia and then filter your search results to show one or two stops.
What are the most popular departure times for flights from Cairns Intl. Airport (CNS) to Mount Isa Airport (ISA)?
Flights between CNS and ISA are their busiest at 6 AM. For a more relaxed experience and potentially cheaper prices, choose a departure that's outside typical rush times.
What day of the week has the most flights from CNS to ISA?
If you depart on a Friday, you'll get the largest range of options for flights from Cairns Intl. Airport (CNS) to Mount Isa Airport (ISA).
What is the earliest flight from Cairns Intl. Airport (CNS) to Mount Isa Airport (ISA)?
The first flight of the day leaving Cairns Intl. Airport (CNS) is at around 6:30AM UTC+10. Catch this flight and you'll touch down at Mount Isa Airport (ISA) at approximately 8:35AM UTC+10. The total travel time is 2h 5m.
How long does it take to fly from Cairns Intl. Airport (CNS) to Mount Isa Airport (ISA)?
It takes about 2 hours and 5 minutes to travel the 490 mi from CNS to ISA.
What airline has the least delays from CNS to ISA?
With 83% of journeys usually arriving on schedule, Rex Regional Express has the best on-time performance for nonstop flights from Cairns Intl. Airport (CNS) to Mount Isa Airport (ISA). To check your flight status and get notifications about any changes, use the Expedia App.
What is the best time to fly from Cairns Intl. Airport (CNS) to Mount Isa Airport (ISA)?
To reach Mount Isa Airport (ISA) without delays, book a flight that leaves Cairns Intl. Airport (CNS) before 3 PM. The chance of cancellations is 22% higher, on average, for departures after this hour.**Most reliable time of the day and month to travel recommendation is based on January through August 2024 flight status data sourced from OAG's global flight data platform.
What airports do you fly into for Mount Isa from Cairns Intl. Airport (CNS)?
If you're traveling on a direct flight from Cairns Intl. Airport (CNS) to Mount Isa, Mount Isa Airport (ISA) is the only airport you can touch down at.
Is it cheaper to buy a plane ticket from Cairns Intl. Airport (CNS) to Mount Isa Airport (ISA) last-minute?
Holding off until right before your break to book a ticket from CNS to ISA often results in higher prices. While it's possible to find some last-minute discounts, they aren't always guaranteed. Keep your travel schedule open for the best chance of scoring a bargain.
Is it cheaper to book a CNS to ISA flight and hotel package?
You can save money by booking a CNS to ISA flight and hotel package compared to booking separately. In fact, travelers could save hundreds of dollars by bundling with Expedia. And it's easy to manage it all in one convenient place. Once you've selected your ideal flights and accommodations, consider other add-ons like tours, car rentals and activities.
Can I cancel or change the date of my flight from Cairns Intl. Airport (CNS) to Mount Isa Airport (ISA)?
In most instances, you can cancel or modify your CNS to ISA flight. However, there may be additional charges, especially if you booked more than 24 hours ago. Check your itinerary for the airline's rules and fees on flight changes, or if you need more information, visit our Customer Service portal.

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*Available to One Key members.