$350 Cheap Flights from Cairns (CNS) to Mount Isa (ISA)

View $350 flight on Wed, Nov 12, 2025Opens in a new window

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

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

Prices were available within the past 7 days and start at $350 for one-way flights and $926 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Virgin Australia
Fri, Dec 26 - Fri, Jan 2
CNS
Cairns
ISA
Mount Isa
$926 Roundtrip, found 5 days ago
$926
Roundtrip
found 5 days ago
Select Virgin Australia flight, departing Fri, Dec 26 from Cairns to Mount Isa, returning Fri, Jan 2, priced at $926 found 5 days ago
Virgin Australia
Fri, Dec 26 - Fri, Jan 2
CNS
Cairns
ISA
Mount Isa
$928 Roundtrip, found 5 days ago
$928
Roundtrip
found 5 days ago
Select Virgin Australia flight, departing Fri, Dec 26 from Cairns to Mount Isa, returning Fri, Jan 2, priced at $928 found 5 days ago
Virgin Australia
Fri, Dec 26 - Fri, Jan 2
CNS
Cairns
ISA
Mount Isa
$1,086 Roundtrip, found 5 days ago
$1,086
Roundtrip
found 5 days ago
Select Virgin Australia flight, departing Fri, Dec 26 from Cairns to Mount Isa, returning Fri, Jan 2, priced at $1,086 found 5 days ago
Virgin Australia
Fri, Dec 26 - Fri, Jan 2
CNS
Cairns
ISA
Mount Isa
$1,088 Roundtrip, found 5 days ago
$1,088
Roundtrip
found 5 days ago
Select Virgin Australia flight, departing Fri, Dec 26 from Cairns to Mount Isa, returning Fri, Jan 2, priced at $1,088 found 5 days ago
Virgin Australia
Fri, Dec 26 - Fri, Jan 2
CNS
Cairns
ISA
Mount Isa
$1,166 Roundtrip, found 5 days ago
$1,166
Roundtrip
found 5 days ago
Select Virgin Australia flight, departing Fri, Dec 26 from Cairns to Mount Isa, returning Fri, Jan 2, priced at $1,166 found 5 days ago
Virgin Australia
Fri, Dec 26 - Fri, Jan 2
CNS
Cairns
ISA
Mount Isa
$1,168 Roundtrip, found 5 days ago
$1,168
Roundtrip
found 5 days ago
Select Virgin Australia flight, departing Fri, Dec 26 from Cairns to Mount Isa, returning Fri, Jan 2, priced at $1,168 found 5 days ago
Virgin Australia
Fri, Dec 26 - Fri, Jan 2
CNS
Cairns
ISA
Mount Isa
$1,372 Roundtrip, found 5 days ago
$1,372
Roundtrip
found 5 days ago
Select Virgin Australia flight, departing Fri, Dec 26 from Cairns to Mount Isa, returning Fri, Jan 2, priced at $1,372 found 5 days ago
Virgin Australia
Fri, Dec 26 - Fri, Jan 2
CNS
Cairns
ISA
Mount Isa
$1,374 Roundtrip, found 5 days ago
$1,374
Roundtrip
found 5 days ago
Select Virgin Australia flight, departing Fri, Dec 26 from Cairns to Mount Isa, returning Fri, Jan 2, priced at $1,374 found 5 days ago

Frequently asked questions

How much does a flight from Cairns Intl. Airport (CNS) to Mount Isa Airport (ISA) cost?
Grab a cheap one-way flight from $350 or cheap return flight from $926 from Cairns Intl. Airport (CNS) to Mount Isa Airport (ISA) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight deals on this route.
What is the cheapest month to fly from Cairns Intl. Airport (CNS) to Mount Isa Airport (ISA)?
The cheapest month to fly from CNS to ISA is December, when there's less demand. Off-peak season is often when better flight deals are available between these airports.
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 Cairns Intl. Airport (CNS) to Mount Isa Airport (ISA)?
To find the cheapest airline that'll fly you from CNS to ISA, use Expedia's filter tool. Tailor your search based on what's important to you, such as preferred carriers and cabin class. You can then sort your results by "Price (lowest to highest)" to see the cheapest fares upfront.
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.

Travel information

Travel information

Origin airport
Cairns Intl.
Destination airport
Mount Isa
Roundtrip price
$926
Distance
486 mi
Average flight time
3 hours 37 mins

Book with confidence

Book with confidence

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 December. 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 $350 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.

 

Cairns to Mount Isa Flights

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*Available to One Key members.