$440 Cheap Flights from Mount Isa (ISA) to Perth (PER)

View $440 flight on Mon, Dec 8, 2025Opens in a new window

Popular airlines from Mount Isa, QLD (ISA) to Perth Airport (PER)

Cheap Flights from Mount Isa to Perth (ISA-PER)

Prices were available within the past 7 days and start at $440 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Mount Isa Airport (ISA) to Perth Airport (PER) cost?
Grab a cheap one-way flight from $440 or cheap return flight from Mount Isa Airport (ISA) to Perth Airport (PER) with Expedia. Enter your travel dates and sort by "Price (lowest to highest)" to see our cheapest flight offers on this route.
What is the cheapest month to fly from Mount Isa Airport (ISA) to Perth Airport (PER)?
The cheapest month to fly from ISA to PER is , when demand is low. Off-peak months are generally when better flight deals are available between these airports.
What is the cheapest airline that flies from Mount Isa Airport (ISA) to Perth Airport (PER)?
Use the filter tool on Expedia to compare different airlines and find the cheapest carrier that'll fly you from ISA to PER. Then, sort your results by "Price (lowest to highest)" to snag a good deal.
How many flights per day from Mount Isa Airport (ISA) to Perth Airport (PER)?
Direct flights from Mount Isa Airport (ISA) to Perth Airport (PER) aren't available daily, so you'll have to take a flight with a layover. Explore your options with Expedia's filter tool. Enter your travel dates and pick either "1 Stop" or "2+ Stops."
What day of the week has the most flights from ISA to PER?
Friday is usually the busiest day for flights, while Tuesday tends to be the quietest.* Keep in mind that flight schedules can change based on a number 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 Mount Isa Airport (ISA) to Perth Airport (PER)?
To arrive at Perth Airport (PER) on schedule, book a flight that takes off from Mount Isa Airport (ISA) before 3 PM. The likelihood 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.
Is it cheaper to buy a plane ticket from Mount Isa Airport (ISA) to Perth Airport (PER) last-minute?
Last-minute fares from ISA to PER are generally more expensive. For the lowest prices, start searching for flights as soon as possible. That said, if your travel plans are flexible, you may find a cheap ticket right before you leave.
Is it cheaper to book an ISA to PER flight and hotel package?
You'll generally save money by securing an ISA to PER flight and hotel package compared to booking separately. In fact, you could save hundreds of dollars by bundling with Expedia. And it's simple to manage everything in one convenient place. After choosing your preferred flights and accommodations, consider adding extras such as tours, car rentals and activities.
Can I cancel or change the date of my flight from Mount Isa Airport (ISA) to Perth Airport (PER)?
If you reserved your ISA to PER flight within the last 24 hours, you may be able to modify or cancel it at no cost. Depending on the airline and the ticket type you purchased, additional charges may apply for changes after that time. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you want more information.

Travel information

Origin airport
Mount Isa
Destination airport
Perth
Distance
1646 mi

Book with confidence

Mount Isa to Perth Flights

The cheapest times to fly from Mount Isa to Perth

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

 

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

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

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 Mount Isa to Perth in 2025. You can also book with separate airlines for your outbound and return journeys, from $440 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 Mount Isa to Perth 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 Mount Isa to Perth 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.

 

Mount Isa to Perth Flights

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*Available to One Key members.