What are the cheapest airlines flying from Mount Isa to Sydney round-trip?

Currently priced at $512, Virgin Australia will fly you from Mount Isa to Sydney and back. In addition to Virgin Australia, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Qantas Airways for as low as $1,058. Users have found that Virgin Australia is 52% cheaper than the other options available to this destination.

In terms of precipitation, rainfall in Sydney ranges from 50.0 - 130.0 inches per month. March is typically the wettest month, when rainfall can reach 130.0 mm. September is typically the driest time to visit Sydney when rainfall is around 50.0 mm.

If weather is an important factor for your trip to Sydney, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 22.0 C. Travellers hoping to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 11.0 C).

What is the cheapest time of day to fly from ISA to SYD?

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Mount Isa to Sydney as you normally would.

Can I find deals for flights from Mount Isa to Sydney that include hotel bookings?

Yes. In addition to deals on Mount Isa to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.

How can I find direct flights from Mount Isa to Sydney?

After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Mount Isa to Sydney.

Can I find deals for business class flights from Mount Isa to Sydney?

Yes. Cheapflights offers flight deals from Mount Isa to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

Find Cheap Flights from Mount Isa to Sydney

Find flight deals from Mount Isa to Sydney

Popular in	February
Cheapest in	September
Average price	$1,232

Highest demand for flights based on searches. 5% potential increase in price ($85 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($58 potential savings vs. average return price).

Search Deals

Average for round-trip flights in August 2026

Search Deals

Best time to book a flight from Mount Isa to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Mount Isa with our price prediction graph.

ISA-SYD

Estimated return price

Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Sydney

Read reviews from past customers who have flown with Virgin Australia and Qantas Airways from Mount Isa to Sydney. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Virgin Australia

7.6

Good

471 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Elio,Jan 2026

MEL - ADL

Starting to be as efficient as qantas… bar the food offerings Virgin is up there now

Virgin Australia

7.6

Good

471 reviews

Virgin Australia

7.6

Good

471 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Elio,Jan 2026

MEL - ADL

Starting to be as efficient as qantas… bar the food offerings Virgin is up there now

Qantas Airways

7.5

Good

1,084 reviews

Virgin Australia

7.6

Good

471 reviews

Check prices

Reviews

1 / 20

8.0

Excellent

Elio,Jan 2026

MEL - ADL

Starting to be as efficient as qantas… bar the food offerings Virgin is up there now

Related info for your journey

What are the cheapest airlines flying from Mount Isa to Sydney round-trip?
Currently priced at $512, Virgin Australia will fly you from Mount Isa to Sydney and back. In addition to Virgin Australia, many other airlines offer competitively priced options for your trip. Check Cheapflights for deals on Qantas Airways for as low as $1,058. Users have found that Virgin Australia is 52% cheaper than the other options available to this destination.
Can I find deals for flights from Mount Isa to Sydney that include hotel bookings?
Yes. In addition to deals on Mount Isa to Sydney flights, Cheapflights offers holiday packages that include both flights and hotel.
How can I find direct flights from Mount Isa to Sydney?
After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Mount Isa to Sydney.
Can I find deals for business class flights from Mount Isa to Sydney?
Yes. Cheapflights offers flight deals from Mount Isa to Sydney by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

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Top 2 airlines flying from Mount Isa to Sydney

Airline	Cheapest	Average	Flexibility	On-time
Virgin Australia	Cheapest$512	Average$886	FlexibilityNo cancel fee	On-time80%	Search Virgin Australia flights
Qantas Airways	Cheapest$1,058	Average$1,307	FlexibilityNo cancel fee	On-time74%	Search Qantas Airways flights

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How does Cheapflights help users find flights from Mount Isa to Sydney?

Cheapflights makes it easy to find Mount Isa to Sydney flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Mount Isa to Sydney?

Millions of users choose and trust Cheapflights to book the best flight deals from Mount Isa to Sydney for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Mount Isa to Sydney with no change fees?

Users can book flights with no change fees policies with our dedicated filters. Book flights from Mount Isa to Sydney flexibly with Cheapflights today.

Can Cheapflights notify me if prices for flights from Mount Isa to Sydney become cheaper?

Not ready to book yet? You can track prices for flights from Mount Isa to Sydney on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from Mount Isa to Sydney

Find flight deals from Mount Isa to Sydney

Popular in

Cheapest in

Average price

Best time to book a flight from Mount Isa to Sydney

Have a flexible travel schedule? Discover the best time to fly to Sydney from Mount Isa with our price prediction graph.

Reviews of airlines servicing Sydney

Read reviews from past customers who have flown with Virgin Australia and Qantas Airways from Mount Isa to Sydney. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Related info for your journey

What are the cheapest airlines flying from Mount Isa to Sydney round-trip?

Can I find deals for flights from Mount Isa to Sydney that include hotel bookings?

How can I find direct flights from Mount Isa to Sydney?

Can I find deals for business class flights from Mount Isa to Sydney?

Travelling to a place near Sydney?

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Mount Isa to Sydney

See prices for flight routes from nearby airports that may be better suited for you.

Complete your trip

Complete your trip to Sydney by adding a car hire and/or hotel booking to your travel itinerary.

Direct flights to New South Wales

Book a non-stop flight to one of these other cities located in New South Wales.

Search flights from Mount Isa to Sydney by cabin class

Find flights from Mount Isa to Sydney, based on your preferred cabin class, be it economy, premium economy, business, or first class.

Mount Isa and Sydney flights

Browse other Mount Isa and Sydney flight options. Last updated on 21 August 2026.

Other flights from Mount Isa

Browse through other flights departing from Mount Isa. Flights are based on user searches made on Cheapflights and were last updated on 21 August 2026.

Popular flight searches

Check out other popular destinations found by fellow travellers in 2026

Other flights to Sydney

Explore flights to Sydney departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on 21 August 2026.

Top 2 airlines flying from Mount Isa to Sydney

Fly with Cheapflights

How does Cheapflights help users find flights from Mount Isa to Sydney?

Why should you use Cheapflights to find cheap flight tickets from Mount Isa to Sydney?

Can Cheapflights find flights from Mount Isa to Sydney with no change fees?

Can Cheapflights notify me if prices for flights from Mount Isa to Sydney become cheaper?

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