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$547+ Cheap flights from Ontario (ONT) to Brisbane (BNE)

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 2/5. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BNE
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
1 adult, Economy
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Cheap 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 September 11, 2025.

Round-trip from

$1,054
(United Airlines)

One-way from

$547
(Delta)

Popular in

December

Cheapest in

March

Average price

$1,191
From Ontario to Brisbane
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One-way flight from Ontario to Brisbane
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Highest demand for flights based on searches. 4% potential increase in price ($53 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($28 potential savings vs. average RT price).
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Average for round-trip flights in September 2025
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Find flight deals from Ontario to Brisbane

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 September 11, 2025.

This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/316:38 pmONT - BNE
1 stop18h 52mUnited Airlines
Fri 11/1411:40 amBNE - ONT
1 stop18h 57mUnited Airlines
Deal found 9/11$1,054
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/26:38 pmONT - BNE
1 stop18h 52mUnited Airlines
Tue 11/1111:40 amBNE - ONT
1 stop23h 54mUnited Airlines
Deal found 9/10$1,065
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/36:38 pmONT - BNE
1 stop18h 52mUnited Airlines
Sun 11/1611:40 amBNE - ONT
1 stop18h 57mUnited Airlines
Deal found 9/11$1,066
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/155:05 amONT - BNE
2 stops32h 25mUnited Airlines
Sun 12/2811:40 amBNE - ONT
1 stop24h 03mUnited Airlines
Deal found 9/11$1,070
This United Airlines deal was found by Cheapflights users on 9/11. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/85:05 amONT - BNE
2 stops32h 25mUnited Airlines
Sun 12/2111:40 amBNE - ONT
2 stops42h 58mUnited Airlines
Deal found 9/11$1,085
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/41:40 pmONT - BNE
1 stop23h 50mUnited Airlines
Sun 11/911:40 amBNE - ONT
1 stop18h 57mUnited Airlines
Deal found 9/10$1,167
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/46:38 pmONT - BNE
1 stop18h 52mUnited Airlines
Sat 11/811:40 amBNE - ONT
2 stops28h 09mUnited Airlines
Deal found 9/10$1,172
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/176:38 pmONT - BNE
1 stop18h 52mUnited Airlines
Sun 11/3011:40 amBNE - ONT
2 stops52h 09mUnited Airlines
Deal found 9/10$1,287
This United Airlines deal was found by Cheapflights users on 9/10. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/301:29 pmONT - BNE
2 stops24h 01mUnited Airlines
Sat 12/1311:40 amBNE - ONT
1 stop23h 57mUnited Airlines
Deal found 9/10$1,316

Cheapflights Fare Finder

 
Customize 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 2,558,603 searches. Data last updated September 11, 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

Fri 10/31

6:38 pm-6:30 am

1 stop18h 52m

Brisbane

Fri 11/14

11:40 am-12:37 pm

1 stop18h 57m

$1,054

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Mon 11/3

6:38 pm-7:30 am

1 stop18h 52m

Brisbane

Sun 11/16

11:40 am-12:37 pm

1 stop18h 57m

$1,065

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Sun 11/2

6:38 pm-7:30 am

1 stop18h 52m

Brisbane

Tue 11/11

11:40 am-5:34 pm

1 stop23h 54m

$1,065

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Fri 2/6

1:53 pm-7:30 am

1 stop23h 37m

Brisbane

Mon 2/16

11:40 am-12:19 pm

1 stop18h 39m

$1,065

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Mon 11/10

6:38 pm-7:30 am

1 stop18h 52m

Brisbane

Sun 11/23

11:40 am-12:37 pm

1 stop18h 57m

$1,066

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Tue 2/10

6:39 pm-7:30 am

1 stop18h 51m

Brisbane

Sat 2/21

11:40 am-12:19 pm

1 stop18h 39m

$1,066

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Mon 2/2

6:39 pm-7:30 am

1 stop18h 51m

Brisbane

Sun 2/15

11:40 am-12:19 pm

1 stop18h 39m

$1,066

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Mon 12/8

6:41 pm-7:30 am

1 stop18h 49m

Brisbane

Sun 12/21

11:40 am-5:43 pm

1 stop24h 03m

$1,066

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Tue 11/4

1:40 pm-7:30 am

1 stop23h 50m

Brisbane

Sat 11/8

11:40 am-5:34 pm

1 stop23h 54m

$1,167

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Tue 11/11

6:38 pm-7:30 am

1 stop18h 52m

$552

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

Showing 1-10 of 21 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 round-trip 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 $1,013). Flying from Ontario to Brisbane in December is currently the most expensive (average of $1,627). 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.

What is the cheapest time of day to fly from ONT to BNE?

Find hourly flight availability from Ontario to Brisbane. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated September 11, 2025.

One of the essential ways to save on airfare from Ontario to Brisbane is to remain as flexible as possible. Flights that are in the morning tend to be the most expensive. A flight at noon could potentially save you up to 24% on airfare.

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?

    For as low as $1,054, United Airlines can have you in Brisbane from Ontario in 18h 52m. Airlines will cover a distance of 7207 mi.

  • 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 vacation 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 $1,013). Flying from Ontario to Brisbane in December is currently the most expensive (average of $1,627). 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

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