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Cheap flights from Ontario to Brisbane from $749

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/12. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BNE
4 Jan — 11 Jan1
1 adult
1 adult, Economy, 0 bags

Cheap flight deals from Ontario to Brisbane

Enter your travel dates to find the best prices.

Cheapest flights from Ontario to Brisbane
Explore the most affordable flight options available from Ontario to Brisbane. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 5 December 2025.

Tue 9/1215:04ONT - BNE
1 stop21h 26mAmerican Airlines
Mon 19/109:40BNE - ONT
1 stop22h 38mAmerican Airlines
Deal found 3/12$1,406
Thu 4/1214:56ONT - BNE
1 stop21h 34mAmerican Airlines
Wed 17/1209:40BNE - ONT
1 stop20h 13mAmerican Airlines
Deal found 2/12$1,409
Sun 7/1218:41ONT - BNE
1 stop18h 49mUnited Airlines
Mon 22/1211:40BNE - ONT
1 stop16h 21mUnited Airlines
Deal found 2/12$1,441
Thu 4/1218:41ONT - BNE
1 stop18h 49mUnited Airlines
Wed 17/1211:40BNE - ONT
1 stop18h 37mUnited Airlines
Deal found 2/12$1,446
Mon 8/1218:41ONT - BNE
1 stop18h 49mUnited Airlines
Mon 19/111:40BNE - ONT
1 stop17h 38mUnited Airlines
Deal found 3/12$1,450
Tue 2/1213:50ONT - BNE
1 stop23h 40mUnited Airlines
Tue 23/1211:40BNE - ONT
1 stop16h 21mUnited Airlines
Deal found 2/12$1,452
Wed 10/1218:41ONT - BNE
1 stop18h 49mUnited Airlines
Fri 19/1211:40BNE - ONT
1 stop16h 21mUnited Airlines
Deal found 4/12$1,462
Fri 5/1205:05ONT - BNE
2 stops32h 25mUnited Airlines
Tue 9/1211:40BNE - ONT
1 stop18h 37mUnited Airlines
Deal found 1/12$1,468
Sat 13/1205:05ONT - BNE
2 stops32h 25mUnited Airlines
Wed 17/1211:40BNE - ONT
2 stops27h 02mUnited Airlines
Deal found 4/12$1,470

Find flight deals from Ontario to Brisbane

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Brisbane (BNE). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 5 December 2025.

Round-trip from

$1,452

One-way from

$749

Popular in

December

Cheapest in

March

Average price

$2,023
United Airlines
  • United Airlines
  • 16/2-24/2
  • 2 total stops
  • 37h 51m total
  • Ontario to Brisbane
Search Deals
United Airlines
  • United Airlines
  • 30/12
  • 1 total stop
  • 18h 51m total
  • Ontario to Brisbane
Search Deals
Highest demand for flights based on searches. 6% potential increase in price ($159 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($65 potential savings vs. average return price).
Search Deals
Average for round-trip flights in December 2025
Search Deals

Cheapflights Fare Finder

 
Customise your flight search to find flights from Ontario to Brisbane that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 5 December 2025.
Use the filters below to find and compare flights from Ontario to Brisbane that are best for you.

Fly from

Ontario

Fly to

Brisbane

Route

Depart

Return

Price

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Sun 8/2

13:53-07:30

1 stop23h 37m

Brisbane

Mon 23/2

11:40-12:38

1 stop18h 58m

$1,452

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Wed 10/12

18:41-07:30

1 stop18h 49m

Brisbane

Mon 22/12

11:40-17:43

1 stop24h 03m

$1,462

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Tue 30/12

18:39-07:30

1 stop18h 51m

Brisbane

Fri 23/1

11:40-11:18

1 stop17h 38m

$1,462

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Tue 9/12

18:41-07:30

1 stop18h 49m

Brisbane

Tue 23/12

11:40-10:01

1 stop16h 21m

$1,462

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Fri 6/2

18:39-07:30

1 stop18h 51m

Brisbane

Fri 20/2

11:40-12:38

1 stop18h 58m

$1,462

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Wed 10/12

18:41-07:30

1 stop18h 49m

Brisbane

Fri 19/12

11:40-10:01

1 stop16h 21m

$1,462

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Wed 10/12

18:41-07:30

1 stop18h 49m

Brisbane

Wed 17/12

11:40-12:17

1 stop18h 37m

$1,462

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Thu 1/1

10:42-07:30

1 stop26h 48m

Brisbane

Fri 23/1

11:40-17:43

1 stop24h 03m

$1,462

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Mon 29/12

18:39-07:30

1 stop18h 51m

Brisbane

Fri 23/1

11:40-11:18

1 stop17h 38m

$1,462

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Fri 30/1

13:53-07:30

1 stop23h 37m

Brisbane

Sun 8/2

11:40-17:43

1 stop24h 03m

$1,462

Flights are sorted by cheapest return flights first.

Deals found on 4/12

Showing 1-10 of 20 results
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Best time to book a flight from Ontario to Brisbane

Have a flexible travel schedule? Discover the best time to fly to Brisbane from Ontario with our price prediction graph.
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.

Cheapflights Insights

Everything you need to know about your flight from Ontario to Brisbane

What is the cheapest month to book a flight from Ontario to Brisbane?

Currently, March is the cheapest month in which you can book a flight from Ontario to Brisbane (average of $732). Flying from Ontario to Brisbane in December is currently the most expensive (average of $1,263). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Brisbane. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Ontario to Brisbane?

    Departing from Ontario to Brisbane will take you 23h 37m. The distance from Ontario to Brisbane is about 11599 km.

  • Can I find deals for flights from Ontario to Brisbane that include hotel bookings?

    Yes. In addition to deals on Ontario to Brisbane flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Brisbane?

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

  • Can I find deals for business class flights from Ontario to Brisbane?

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

  • What is the cheapest month to book a flight from Ontario to Brisbane?

    Currently, March is the cheapest month in which you can book a flight from Ontario to Brisbane (average of $732). Flying from Ontario to Brisbane in December is currently the most expensive (average of $1,263). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Travelling to a place near Brisbane?

Book flights to Brisbane if you plan to visit one of these locations
Redcliffe
Ipswich
Caboolture

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Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Ontario to Brisbane?

Deals for Ontario to Brisbane flights are sourced from 900+ travel sites when you use Cheapflights. When all flight results come back, Cheapflights lets you sort and filter flights using different criteria to choose better, like price, airport, cabin class, and plenty of other options.

Why should you use Cheapflights to find cheap flight tickets from Ontario to Brisbane?

Cheapflights helps you find that perfect flight to Brisbane from Ontario by searching from hundreds of airlines and agencies you know and love. We are also free to use, in case you were wondering!

Can Cheapflights find flights from Ontario to Brisbane with no change fees?

Certainly. Search results for flights to Brisbane from Ontario shown to you on Cheapflights can be narrowed down with different useful search filters, which includes flexible booking options.

Can Cheapflights notify me if prices for flights from Ontario to Brisbane become cheaper?

Yes, Cheapflights has a feature called Price Alert, which notifies users when flight prices change. Track prices for your flight to Brisbane from Ontario today and book when prices fit your budget.

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