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Cheap flights from Ontario to Brisbane from $827

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 3/11. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — BNE
16 Oct — 23 Oct1
1 adult
1 adult, Economy

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 16 September 2025.

Round-trip from

$1,591

One-way from

$827

Popular in

December

Cheapest in

March

Average price

$1,762
United Airlines
  • United Airlines
  • 31/10-14/11
  • 2 total stops
  • 37h 49m total
  • Ontario to Brisbane
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United Airlines
  • United Airlines
  • 3/11
  • 1 total stop
  • 18h 52m total
  • Ontario to Brisbane
Search Deals
Highest demand for flights based on searches. 4% potential increase in price ($122 potential increase over avg. return price).
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Cheapest flight prices on average. 2% potential price decrease ($55 potential savings vs. average return 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 16 September 2025.

Fri 31/1018:38ONT - BNE
1 stop18h 52mUnited Airlines
Fri 14/1111:40BNE - ONT
1 stop18h 57mUnited Airlines
Deal found 12/9$1,591
Fri 31/1018:38ONT - BNE
1 stop18h 52mUnited Airlines
Tue 11/1111:40BNE - ONT
1 stop23h 54mUnited Airlines
Deal found 15/9$1,600
Tue 25/1118:38ONT - BNE
1 stop18h 52mUnited Airlines
Thu 25/1211:40BNE - ONT
2 stops27h 27mUnited Airlines
Deal found 14/9$1,607
Mon 15/1206:00ONT - BNE
2 stops31h 30mUnited Airlines
Sun 28/1211:40BNE - ONT
2 stops42h 58mUnited Airlines
Deal found 15/9$1,630
Sun 14/1206:00ONT - BNE
1 stop31h 30mUnited Airlines
Wed 24/1211:40BNE - ONT
2 stops42h 58mUnited Airlines
Deal found 13/9$1,639
Tue 25/1113:29ONT - BNE
2 stops24h 01mUnited Airlines
Sat 29/1111:40BNE - ONT
1 stop29h 11mUnited Airlines
Deal found 12/9$1,769
Thu 30/1013:29ONT - BNE
2 stops48h 01mUnited Airlines
Thu 6/1111:40BNE - ONT
2 stops28h 09mUnited Airlines
Deal found 14/9$1,784
Sat 6/1213:50ONT - BNE
1 stop23h 40mUnited Airlines
Sat 13/1211:40BNE - ONT
1 stop29h 09mUnited Airlines
Deal found 13/9$1,843
Mon 17/1118:38ONT - BNE
1 stop18h 52mUnited Airlines
Sun 30/1111:40BNE - ONT
1 stop18h 57mUnited Airlines
Deal found 15/9$1,894

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 16 September 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 31/10

18:38-06:30

1 stop18h 52m

Brisbane

Fri 14/11

11:40-12:37

1 stop18h 57m

$1,591

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Sat 14/2

13:52-07:30

1 stop23h 38m

Brisbane

Sat 7/3

11:40-09:59

1 stop16h 19m

$1,600

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Fri 6/3

10:40-07:30

1 stop26h 50m

Brisbane

Fri 13/3

10:40-18:00

1 stop24h 20m

$1,600

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Mon 8/12

18:41-07:30

1 stop18h 49m

Brisbane

Sun 21/12

11:40-17:43

1 stop24h 03m

$1,600

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Fri 31/10

13:40-06:30

1 stop23h 50m

Brisbane

Wed 12/11

11:40-12:37

1 stop18h 57m

$1,600

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Sun 18/1

13:20-07:30

2 stops24h 10m

Brisbane

Sun 1/2

11:40-12:14

1 stop18h 34m

$1,607

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Thu 12/3

10:40-06:30

1 stop26h 50m

Brisbane

Sun 22/3

10:40-20:17

2 stops26h 37m

$1,607

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Tue 25/11

05:05-07:30

2 stops32h 25m

Brisbane

Thu 25/12

11:40-21:07

2 stops27h 27m

$1,607

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Mon 24/11

13:29-07:30

2 stops24h 01m

Brisbane

Sun 7/12

11:40-12:18

1 stop18h 38m

$1,607

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Mon 3/11

13:29-07:30

2 stops24h 01m

Brisbane

Sun 16/11

11:40-12:37

1 stop18h 57m

$1,607

Flights are sorted by cheapest return flights first.

Deals found on 14/9

Showing 1-10 of 22 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, May is the cheapest month in which you can book a flight from Ontario to Brisbane (average of $160). Flying from Ontario to Brisbane in September is currently the most expensive (average of $208). 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 18h 52m. 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, May is the cheapest month in which you can book a flight from Ontario to Brisbane (average of $160). Flying from Ontario to Brisbane in September is currently the most expensive (average of $208). 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
Caboolture
Redcliffe
Ipswich

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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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