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$451+ 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 2/1. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BNE
feb. 25 — mar. 41
mié. 2/25
mié. 3/4
1 adult, Economy
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1. Tell us where you want to go

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Cheap 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 26, 2026.

This Delta deal was found by Cheapflights users on 1/24. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mié. 3/116:00 am
ONT
-
BNE
2 stops32h 20m
Delta
mié. 3/1810:05 am
BNE
-
ONT
2 stops30h 46m
Delta
Deal found 1/24$837
This United Airlines deal was found by Cheapflights users on 1/23. 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. 3/21:50 pm
ONT
-
BNE
1 stop23h 40m
United Airlines
dom. 3/1510:40 am
BNE
-
ONT
1 stop18h 38m
United Airlines
Deal found 1/23$886
This United Airlines deal was found by Cheapflights users on 1/24. 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.
mar. 1/271:53 pm
ONT
-
BNE
1 stop23h 37m
United Airlines
sáb. 2/711:40 am
BNE
-
ONT
1 stop18h 37m
United Airlines
Deal found 1/24$887
This United Airlines deal was found by Cheapflights users on 1/26. 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.
vie. 1/306:39 pm
ONT
-
BNE
1 stop18h 51m
United Airlines
vie. 2/1311:40 am
BNE
-
ONT
1 stop18h 58m
United Airlines
Deal found 1/26$888
This United Airlines deal was found by Cheapflights users on 1/23. 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. 2/81:24 pm
ONT
-
BNE
2 stops24h 06m
United Airlines
dom. 2/1511:40 am
BNE
-
ONT
1 stop18h 58m
United Airlines
Deal found 1/23$890
This United Airlines deal was found by Cheapflights users on 1/26. 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.
vie. 1/301:24 pm
ONT
-
BNE
2 stops24h 06m
United Airlines
vie. 2/611:40 am
BNE
-
ONT
1 stop17h 38m
United Airlines
Deal found 1/26$891
This United Airlines deal was found by Cheapflights users on 1/24. 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.
vie. 2/135:00 am
ONT
-
BNE
2 stops32h 30m
United Airlines
vie. 2/2011:40 am
BNE
-
ONT
2 stops43h 03m
United Airlines
Deal found 1/24$905
This Kissandfly.com deal was found by Cheapflights users on 1/24. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 1/261:53 pm
ONT
-
BNE
1 stop23h 37m
Lufthansa
dom. 2/811:40 am
BNE
-
ONT
1 stop17h 38m
Lufthansa
Deal found 1/24$906
This United Airlines deal was found by Cheapflights users on 1/24. 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. 3/16:09 am
ONT
-
BNE
1 stop31h 21m
United Airlines
mar. 3/1010:40 am
BNE
-
ONT
1 stop24h 01m
United Airlines
Deal found 1/24$1,133
This United Airlines deal was found by Cheapflights users on 1/24. 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. 1/296:39 pm
ONT
-
BNE
1 stop18h 51m
United Airlines
mié. 2/49:55 am
BNE
-
ONT
2 stops49h 48m
United Airlines
Deal found 1/24$1,149
This United Airlines deal was found by Cheapflights users on 1/24. 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.
mié. 5/66:59 pm
ONT
-
BNE
1 stop18h 31m
United Airlines
mié. 5/2710:30 am
BNE
-
ONT
1 stop18h 50m
United Airlines
Deal found 1/24$1,167
This United Airlines deal was found by Cheapflights users on 1/23. 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. 1/241:24 pm
ONT
-
BNE
2 stops48h 06m
United Airlines
sáb. 1/315:55 pm
BNE
-
ONT
2 stops35h 23m
United Airlines
Deal found 1/23$1,168

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 enero 26, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

AranGrant
3 stars

Round-trip from

$837
(Delta)

One-way from

$451
(Delta)

Popular in

December

Cheapest in

March

Average price

$947
Provider with most accurate pricing for Ontario-Brisbane flight deals.
Search Deals
Provider most trusted by Cheapflights users for Ontario-Brisbane flights.
Search Deals
From Ontario to Brisbane
Search Deals
One-way flight from Ontario to Brisbane
Search Deals
Highest demand for flights based on searches. 2% potential increase in price ($26 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 1% potential price decrease ($18 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in January 2026
Search Deals

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 26, 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

mié. 3/11

6:00 am-7:20 am

2 stops32h 20m

Brisbane

mié. 3/18

10:05 am-11:51 pm

2 stops30h 46m

$837

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

lun. 3/2

1:50 pm-7:30 am

1 stop23h 40m

Brisbane

dom. 3/15

10:40 am-12:18 pm

1 stop18h 38m

$886

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

vie. 3/6

6:37 pm-7:30 am

1 stop18h 53m

Brisbane

mié. 3/18

10:40 am-12:18 pm

1 stop18h 38m

$887

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

vie. 2/13

6:37 pm-7:30 am

1 stop18h 53m

Brisbane

vie. 2/20

11:40 am-12:38 pm

1 stop18h 58m

$887

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

vie. 2/27

1:50 pm-7:30 am

1 stop23h 40m

Brisbane

mié. 3/11

10:40 am-5:41 pm

1 stop24h 01m

$887

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

mié. 3/4

6:37 pm-7:30 am

1 stop18h 53m

Brisbane

dom. 3/15

10:40 am-12:18 pm

1 stop18h 38m

$887

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

vie. 2/27

6:37 pm-7:30 am

1 stop18h 53m

Brisbane

sáb. 3/7

11:40 am-12:18 pm

1 stop18h 38m

$887

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

mar. 3/3

1:50 pm-7:30 am

1 stop23h 40m

Brisbane

mié. 3/11

10:40 am-12:18 pm

1 stop18h 38m

$887

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

lun. 3/16

1:40 pm-6:30 am

1 stop23h 50m

Brisbane

vie. 3/27

10:40 am-5:41 pm

1 stop24h 01m

$887

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

mié. 3/11

6:37 pm-6:30 am

1 stop18h 53m

Brisbane

mié. 3/18

10:40 am-5:41 pm

1 stop24h 01m

$887

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/26

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 January.
ProviderPrice AccuracyTrust Score*
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 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 AranGrant the most. AranGrant 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 $557). Flying from Ontario to Brisbane in November is currently the most expensive (average of $799). 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 $886, Delta can have you in Brisbane from Ontario in 23h 40m. Airlines will cover a distance of 7207 mi. Both multi-stop and nonstop flights can be found to your destination and back.

  • 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 $557). Flying from Ontario to Brisbane in November is currently the most expensive (average of $799). 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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