$316 Cheap Flights from Sydney (SYD) to Mount Isa (ISA)

View $316 flight on Fri, Jun 13, 2025Opens in a new window

Popular airlines from Sydney Airport (SYD) to Mount Isa, QLD (ISA)

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Find available prices by choosing your travel dates.

Cheap Flights from Sydney to Mount Isa (SYD-ISA)

Prices were available within the past 7 days and start at $316 for one-way flights and $750 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Virgin Australia
Tue, May 13 - Mon, May 19
SYD
Sydney
ISA
Mount Isa
$750 Roundtrip, found 6 days ago
$750
Roundtrip
found 6 days ago
Select Virgin Australia flight, departing Tue, May 13 from Sydney to Mount Isa, returning Mon, May 19, priced at $750 found 6 days ago
Qantas Airways
Wed, Jun 4 - Wed, Jun 11
SYD
Sydney
ISA
Mount Isa
$784 Roundtrip, found 6 days ago
$784
Roundtrip
found 6 days ago
Select Qantas Airways flight, departing Wed, Jun 4 from Sydney to Mount Isa, returning Wed, Jun 11, priced at $784 found 6 days ago
Qantas Airways
Wed, Jun 4 - Wed, Jun 11
SYD
Sydney
ISA
Mount Isa
$787 Roundtrip, found 6 days ago
$787
Roundtrip
found 6 days ago
Select Qantas Airways flight, departing Wed, Jun 4 from Sydney to Mount Isa, returning Wed, Jun 11, priced at $787 found 6 days ago
Qantas Airways
Wed, Jun 4 - Wed, Jun 11
SYD
Sydney
ISA
Mount Isa
$792 Roundtrip, found 6 days ago
$792
Roundtrip
found 6 days ago
Select Qantas Airways flight, departing Wed, Jun 4 from Sydney to Mount Isa, returning Wed, Jun 11, priced at $792 found 6 days ago
Qantas Airways
Tue, May 13 - Mon, May 19
SYD
Sydney
ISA
Mount Isa
$793 Roundtrip, found 6 days ago
$793
Roundtrip
found 6 days ago
Select Qantas Airways flight, departing Tue, May 13 from Sydney to Mount Isa, returning Mon, May 19, priced at $793 found 6 days ago
Qantas Airways
Tue, May 13 - Mon, May 19
SYD
Sydney
ISA
Mount Isa
$798 Roundtrip, found 6 days ago
$798
Roundtrip
found 6 days ago
Select Qantas Airways flight, departing Tue, May 13 from Sydney to Mount Isa, returning Mon, May 19, priced at $798 found 6 days ago
Qantas Airways
Wed, Jun 4 - Wed, Jun 11
SYD
Sydney
ISA
Mount Isa
$810 Roundtrip, found 6 days ago
$810
Roundtrip
found 6 days ago
Select Qantas Airways flight, departing Wed, Jun 4 from Sydney to Mount Isa, returning Wed, Jun 11, priced at $810 found 6 days ago
Qantas Airways
Wed, Jun 4 - Wed, Jun 11
SYD
Sydney
ISA
Mount Isa
$815 Roundtrip, found 6 days ago
$815
Roundtrip
found 6 days ago
Select Qantas Airways flight, departing Wed, Jun 4 from Sydney to Mount Isa, returning Wed, Jun 11, priced at $815 found 6 days ago
Virgin Australia
Tue, May 13 - Mon, May 19
SYD
Sydney
ISA
Mount Isa
$820 Roundtrip, found 6 days ago
$820
Roundtrip
found 6 days ago
Select Virgin Australia flight, departing Tue, May 13 from Sydney to Mount Isa, returning Mon, May 19, priced at $820 found 6 days ago
Flights from Sydney (SYD) to Mount Isa (ISA)
Origin airport
Kingsford Smith Intl.
Destination airport
Mount Isa
Roundtrip price
$749
Distance
1161 mi

Sydney to Mount Isa Flights

The cheapest times to fly from Sydney 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 Sydney to Mount Isa are during the month of May. You can find some of the cheapest flights from Sydney to Mount Isa with Expedia's search tool and vast selection of airlines.

 

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

Sunday is one of the best days to book for cheap flights from Sydney 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 Sydney 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 Sydney to Mount Isa in 2025. You can also book with separate airlines for your outbound and return journeys, from $316 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 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 Sydney 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 Kingsford Smith Intl. Airport (SYD) to Mount Isa Airport (ISA) cost?
Discover the latest flight deals from SYD 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 SYD to ISA?
The cheapest flights from SYD 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.
What is the cheapest airline that flies from SYD to ISA?
Use the filter tool on Expedia to compare airlines and find the cheapest carrier that’ll take you from SYD to ISA. Sort your results by “Price (lowest to highest)” to snap up a great deal.
How many flights per day from Kingsford Smith Intl. Airport (SYD) to Mount Isa Airport (ISA)?
Direct flights from Kingsford Smith Intl. Airport (SYD) to Mount Isa Airport (ISA) aren’t available daily, so you’ll need to take a flight with a layover. Explore your options with Expedia’s filters. Enter your dates and pick either “1 Stop” or “2+ Stops.”
What day of the week has the most flights from SYD to ISA?
Friday is generally the busiest day for flights, while Tuesday is often the quietest.* Keep in mind that flight schedules can vary depending on a range of factors, including the season and airline.*Busiest/quietest day to travel is based on Expedia flight demand through January to December 2024.
What is the best time to fly from Kingsford Smith Intl. Airport (SYD) to Mount Isa Airport (ISA)?
To arrive at Mount Isa Airport (ISA) on schedule, choose a flight that leaves from Kingsford Smith Intl. Airport (SYD) before 3 PM. The likelihood of cancellations is 22% higher, on average, for departures after this time.**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.
Is it cheaper to buy a plane ticket from Kingsford Smith Intl. Airport (SYD) to Mount Isa Airport (ISA) last-minute?
Last-minute bookings from SYD to ISA are usually more expensive. To lock in the best prices, start searching for flights well in advance. That said, if you’re flexible with your travel plans, it’s possible to score a cheap ticket right before your journey.
Is it cheaper to book a SYD to ISA flight and hotel package?
You’ll typically save money by securing a SYD 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. After choosing your ideal flights and accommodations, consider adding extras such as activities, tours and car rentals.
Can I cancel or change the date of my flight from Kingsford Smith Intl. Airport (SYD) to Mount Isa Airport (ISA)?
It’s generally possible to reschedule or cancel your SYD to ISA flight. However, if it’s been more than 24 hours since booking, additional charges may apply. Refer to your airline’s policies in your itinerary to see what changes are allowed and whether any costs are involved. You’ll also find more details on our Customer Service portal.

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*Available to One Key members.