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$520+ 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 3/15. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BNE
feb. 14 — feb. 211
sáb. 2/14
sáb. 2/21
1 adult, Economy
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Find cheap flights from Ontario to Brisbane with Cheapflights

1. Tell us where you want to go

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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 enero 15, 2026.

Most accurate provider

eDreams
3 stars

Most trusted provider

eDreams
3 stars

Round-trip from

$985
(United Airlines)

One-way from

$520
(United Airlines)

Popular in

December

Cheapest in

March

Average price

$969
Provider with most accurate pricing for Ontario-Brisbane flight deals.
Search Deals
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
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($28 potential increase over avg. RT price).
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Cheapest flight prices on average. 1% potential price decrease ($18 potential savings vs. average RT price).
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Average for round-trip flights in January 2026
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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 enero 15, 2026.

This United Airlines deal was found by Cheapflights users on 1/15. 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.
lun. 1/196:00 am
ONT
-
BNE
1 stop31h 30m
United Airlines
dom. 2/111:40 am
BNE
-
ONT
1 stop17h 38m
United Airlines
Deal found 1/15$976
This United Airlines deal was found by Cheapflights users on 1/14. 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.
jue. 2/126:37 pm
ONT
-
BNE
1 stop18h 53m
United Airlines
jue. 3/2610:40 am
BNE
-
ONT
1 stop18h 38m
United Airlines
Deal found 1/14$985
This United Airlines deal was found by Cheapflights users on 1/13. 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.
sáb. 1/176:32 pm
ONT
-
BNE
1 stop18h 58m
United Airlines
sáb. 1/2411:40 am
BNE
-
ONT
2 stops27h 18m
United Airlines
Deal found 1/13$989
This United Airlines deal was found by Cheapflights users on 1/14. 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.
sáb. 2/281:45 pm
ONT
-
BNE
2 stops23h 45m
United Airlines
sáb. 3/711:40 am
BNE
-
ONT
1 stop23h 58m
United Airlines
Deal found 1/14$990
This United Airlines deal was found by Cheapflights users on 1/15. 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.
lun. 3/161:40 pm
ONT
-
BNE
1 stop23h 50m
United Airlines
dom. 4/510:30 am
BNE
-
ONT
1 stop29h 15m
United Airlines
Deal found 1/15$991
This United Airlines deal was found by Cheapflights users on 1/13. 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.
dom. 2/86:00 am
ONT
-
BNE
1 stop31h 30m
United Airlines
jue. 2/2611:40 am
BNE
-
ONT
2 stops52h 19m
United Airlines
Deal found 1/13$1,003
This United Airlines deal was found by Cheapflights users on 1/13. 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.
lun. 1/265:05 am
ONT
-
BNE
2 stops32h 25m
United Airlines
mar. 2/2411:40 am
BNE
-
ONT
2 stops43h 03m
United Airlines
Deal found 1/13$1,004
This United Airlines deal was found by Cheapflights users on 1/15. 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.
lun. 1/195:05 am
ONT
-
BNE
2 stops32h 25m
United Airlines
dom. 2/811:40 am
BNE
-
ONT
2 stops52h 18m
United Airlines
Deal found 1/15$1,006
This American Airlines deal was found by Cheapflights users on 1/14. 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.
mar. 2/103:09 pm
ONT
-
BNE
1 stop21h 21m
American Airlines
mar. 2/179:40 am
BNE
-
ONT
1 stop22h 09m
American Airlines
Deal found 1/14$1,042

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 enero 15, 2026.
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

vie. 2/13

6:37 pm-7:30 am

1 stop18h 53m

Brisbane

jue. 3/26

10:40 am-12:18 pm

1 stop18h 38m

$985

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

dom. 2/1

6:39 pm-7:30 am

1 stop18h 51m

Brisbane

dom. 3/29

10:30 am-9:56 am

1 stop16h 26m

$985

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

jue. 2/12

6:37 pm-7:30 am

1 stop18h 53m

Brisbane

jue. 3/26

10:40 am-12:18 pm

1 stop18h 38m

$985

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

jue. 2/5

6:39 pm-7:30 am

1 stop18h 51m

Brisbane

mié. 4/1

10:30 am-12:14 pm

1 stop18h 44m

$985

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

vie. 1/30

6:39 pm-7:30 am

1 stop18h 51m

Brisbane

mié. 4/1

10:30 am-12:14 pm

1 stop18h 44m

$985

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

sáb. 1/31

6:32 pm-7:30 am

1 stop18h 58m

Brisbane

mar. 3/31

10:30 am-9:56 am

1 stop16h 26m

$985

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

vie. 1/30

6:39 pm-7:30 am

1 stop18h 51m

Brisbane

mar. 3/31

10:30 am-9:56 am

1 stop16h 26m

$985

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

lun. 3/2

6:37 pm-7:30 am

1 stop18h 53m

Brisbane

dom. 3/22

10:40 am-12:18 pm

1 stop18h 38m

$985

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

lun. 2/9

1:53 pm-7:30 am

1 stop23h 37m

Brisbane

dom. 3/1

11:40 am-5:41 pm

1 stop24h 01m

$985

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

sáb. 1/31

6:32 pm-7:30 am

1 stop18h 58m

Brisbane

mié. 4/1

10:30 am-12:14 pm

1 stop18h 44m

$985

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/15

Showing 1-10 of 23 results
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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 January.
ProviderPrice AccuracyTrust Score*
eDreamsPrice Accuracy3 starsTrust Score*3 stars
AranGrantPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
CheapfaremartPrice Accuracy-Trust Score*1 star

*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 eDreams to be most consistent on Cheapflights vs. eDreams Users can find the same prices on Ontario-Brisbane flight deals on Cheapflights vs. eDreams >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 eDreams the most. eDreams 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, May is the cheapest month in which you can book a flight from Ontario to Brisbane (average of $509). Flying from Ontario to Brisbane in September is currently the most expensive (average of $800). 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?

    For as low as $985, 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, May is the cheapest month in which you can book a flight from Ontario to Brisbane (average of $509). Flying from Ontario to Brisbane in September is currently the most expensive (average of $800). 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

Browse thousands of different options on Cheapflights for your next trip

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