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$611+ 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 12/9. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BNE
Nov 21 — Nov 281
Fri 11/21
Fri 11/28
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 October 22, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$1,040
(American Airlines)

One-way from

$611
(American Airlines)

Popular in

December

Cheapest in

March

Average price

$963
Provider with most accurate pricing for Ontario-Brisbane flight deals.
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Provider most trusted by Cheapflights users for Ontario-Brisbane flights.
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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. 8% potential increase in price ($98 potential increase over avg. RT price).
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Cheapest flight prices on average. 2% potential price decrease ($30 potential savings vs. average RT price).
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Average for round-trip flights in October 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 October 22, 2025.

This American Airlines deal was found by Cheapflights users on 10/21. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 11/22:53 pmONT - BNE
1 stop21h 37mAmerican Airlines
Sun 11/169:40 amBNE - ONT
1 stop20h 13mAmerican Airlines
Deal found 10/21$1,040
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Wed 12/106:41 pmONT - BNE
1 stop18h 49mUnited Airlines
Mon 12/2911:40 amBNE - ONT
1 stop24h 03mUnited Airlines
Deal found 10/21$1,307
This United Airlines deal was found by Cheapflights users on 10/21. 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.
Wed 12/2410:42 amONT - BNE
1 stop26h 48mUnited Airlines
Thu 2/511:40 amBNE - ONT
1 stop24h 03mUnited Airlines
Deal found 10/21$1,357
This United Airlines deal was found by Cheapflights users on 10/19. 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 12/2910:42 amONT - BNE
1 stop26h 48mUnited Airlines
Thu 1/811:40 amBNE - ONT
1 stop24h 03mUnited Airlines
Deal found 10/19$1,432
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Wed 11/196:38 pmONT - BNE
1 stop18h 52mUnited Airlines
Wed 11/2611:40 amBNE - ONT
1 stop18h 57mUnited Airlines
Deal found 10/20$1,457
This United Airlines deal was found by Cheapflights users on 10/20. 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.
Thu 12/41:50 pmONT - BNE
1 stop23h 40mUnited Airlines
Thu 12/1111:40 amBNE - ONT
1 stop23h 57mUnited Airlines
Deal found 10/20$1,557
This United Airlines deal was found by Cheapflights users on 10/19. 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 12/285:05 amONT - BNE
2 stops32h 25mUnited Airlines
Wed 1/711:40 amBNE - ONT
2 stops28h 18mUnited Airlines
Deal found 10/19$1,561

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 October 22, 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

Wed 2/25

6:37 pm-7:30 am

1 stop18h 53m

Brisbane

Wed 3/4

11:40 am-12:38 pm

1 stop18h 58m

$1,307

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Tue 3/10

7:15 pm-6:30 am

1 stop18h 15m

Brisbane

Tue 3/17

10:40 am-12:17 pm

1 stop18h 37m

$1,307

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Mon 12/29

6:39 pm-7:30 am

1 stop18h 51m

Brisbane

Mon 1/12

11:40 am-12:14 pm

1 stop18h 34m

$1,307

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Tue 1/20

6:32 pm-7:30 am

1 stop18h 58m

Brisbane

Mon 2/2

11:40 am-12:14 pm

1 stop18h 34m

$1,307

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Wed 12/10

5:05 am-7:30 am

2 stops32h 25m

Brisbane

Mon 12/29

11:40 am-5:43 pm

1 stop24h 03m

$1,311

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Tue 2/10

5:05 am-7:30 am

2 stops32h 25m

Brisbane

Tue 2/17

11:40 am-12:43 pm

2 stops43h 03m

$1,328

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Fri 3/6

7:15 pm-7:30 am

1 stop18h 15m

Brisbane

Sun 3/22

10:40 am-12:17 pm

1 stop18h 37m

$1,357

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Tue 2/17

1:45 pm-7:30 am

1 stop23h 45m

Brisbane

Tue 2/24

11:40 am-12:38 pm

1 stop18h 58m

$1,382

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Mon 12/29

5:05 am-7:30 am

2 stops32h 25m

Brisbane

Thu 1/8

11:40 am-9:58 pm

2 stops28h 18m

$1,436

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Sun 12/7

6:41 pm-7:30 am

1 stop18h 49m

Brisbane

Sun 12/21

11:40 am-5:43 pm

1 stop24h 03m

$1,457

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/20

Showing 1-10 of 20 results
1
2

Compare providers for flights from Ontario to Brisbane

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Ontario to Brisbane in October.
ProviderPrice AccuracyTrust Score*
FlightHubPrice Accuracy3 starsTrust Score*3 stars
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Ontario-Brisbane flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Ontario-Brisbane flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Ontario-Brisbane flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Ontario-Brisbane flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Ontario-Brisbane flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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 $484). Flying from Ontario to Brisbane in November is currently the most expensive (average of $842). 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 October 22, 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 afternoon tend to be the most expensive. A flight in the evening could potentially save you up to 23% 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 $1,307, United Airlines can have you in Brisbane from Ontario in 18h 53m. 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 $484). Flying from Ontario to Brisbane in November is currently the most expensive (average of $842). 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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