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$392+ Cheap flights from Ontario (ONT) to Australia

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 2/19. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SYD
Nov 26 — Dec 31
Tue 11/26
Tue 12/3
1 adult, Economy
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Cheap flight deals from Ontario to Australia

Discover tips and strategies to find the most affordable flight options for your journey from Ontario (ONT) to Australia (AU0). 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 November 21, 2024.

Find flight deals from Ontario to Australia

Cheapest flights from Ontario to Australia
Explore the most affordable flight options available from Ontario to Australia. Find the lowest fares from popular airlines and budget airlines, with prices last updated on November 21, 2024.

This Hawaiian Airlines deal was found by Cheapflights users on 11/20. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/410:05 amONT - SYD
1 stop38h 40mHawaiian Airlines
Sat 12/79:40 pmSYD - ONT
1 stop19h 30mHawaiian Airlines
Deal found 11/20$936
This Kiwi.com deal was found by Cheapflights users on 11/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/412:34 pmONT - SYD
2 stops36h 11mMultiple Airlines
Sat 12/75:25 pmSYD - ONT
1 stop23h 45mMultiple Airlines
Deal found 11/20$1,024
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Thu 11/216:28 pmONT - SYD
1 stop19h 47mUnited Airlines
Wed 12/412:10 pmSYD - ONT
1 stop16h 43mUnited Airlines
Deal found 11/19$1,059
This Kiwi.com deal was found by Cheapflights users on 11/20. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/410:05 amONT - MEL
2 stops41h 00mMultiple Airlines
Wed 12/114:50 pmMEL - ONT
1 stop24h 20mMultiple Airlines
Deal found 11/20$1,088
This Jetabroad deal was found by Cheapflights users on 11/20. 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 Jetabroad is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/310:05 amONT - MEL
2 stops50h 30mHawaiian Airlines
Wed 12/118:30 pmMEL - ONT
2 stops44h 40mHawaiian Airlines
Deal found 11/20$1,328
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Mon 12/306:50 pmONT - BNE
1 stop18h 40mUnited Airlines
Sat 1/1811:40 amBNE - ONT
1 stop16h 11mUnited Airlines
Deal found 11/20$1,364
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Sat 12/76:28 pmONT - MEL
1 stop20h 32mUnited Airlines
Sun 12/221:00 pmMEL - ONT
1 stop19h 16mUnited Airlines
Deal found 11/20$1,376
This Gotogate deal was found by Cheapflights users on 11/20. 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 Gotogate is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2810:45 pmONT - MEL
1 stop42h 20mChina Airlines
Fri 2/1412:35 amMEL - ONT
1 stop35h 15mChina Airlines
Deal found 11/20$2,038
This United Airlines deal was found by Cheapflights users on 11/20. 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.
Mon 12/301:57 pmONT - ADL
2 stops29h 28mUnited Airlines
Fri 2/287:15 amADL - ONT
2 stops25h 44mUnited Airlines
Deal found 11/20$2,181
This United Airlines deal was found by Cheapflights users on 11/19. 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.
Tue 12/106:00 amONT - CNS
2 stops38h 00mUnited Airlines
Tue 1/286:00 amCNS - ONT
2 stops21h 51mUnited Airlines
Deal found 11/19$2,328
This China Airlines deal was found by Cheapflights users on 11/20. 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 China Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/2810:45 pmONT - SYD
1 stop42h 25mChina Airlines
Sun 1/1910:10 pmSYD - ONT
1 stop37h 40mChina Airlines
Deal found 11/20$2,355
This Booking.com deal was found by Cheapflights users on 11/20. 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 Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/46:00 amONT - SYD
3 stops32h 35mAir Canada
Sat 12/711:20 amSYD - ONT
3 stops31h 38mAir Canada
Deal found 11/20$2,477

Find flights from Ontario to Australia within your budget

Customize your flight search to find flights from Ontario to Australia 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 2,629,791 searches. Data last updated November 21, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Sun 2/9

6:45 am-7:45 pm

2 stops42h 00m

Sydney Kingsford Smith

Mon 2/24

5:25 pm-9:50 pm

1 stop23h 25m

$789

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Tue 2/25

9:45 am-7:45 pm

1 stop39h 00m

Sydney Kingsford Smith

Tue 3/18

9:40 pm-9:05 pm

1 stop17h 25m

$855

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Fri 2/28

7:40 pm-7:30 am

1 stop17h 50m

Brisbane

Fri 3/21

10:40 am-9:54 am

1 stop16h 14m

$956

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Thu 5/1

8:18 pm-7:00 am

1 stop17h 42m

Sydney Kingsford Smith

Thu 5/15

10:20 am-9:59 am

1 stop16h 39m

$1,027

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Wed 12/4

10:05 am-10:05 pm

2 stops41h 00m

Melbourne

Wed 12/11

4:50 pm-10:10 pm

1 stop24h 20m

$1,088

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Sat 2/8

1:21 pm-6:50 am

2 stops22h 29m

Sydney Kingsford Smith

Sat 2/22

11:05 am-11:25 pm

2 stops31h 20m

$1,199

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Sat 2/8

10:47 am-10:00 am

1 stop28h 13m

Melbourne

Sat 2/15

8:10 am-2:30 pm

2 stops25h 20m

$1,199

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Tue 12/3

10:05 am-7:35 am

2 stops50h 30m

Melbourne

Wed 12/11

8:30 pm-10:10 pm

2 stops44h 40m

$1,328

OntarioPerth

ONT - PER

ONTPER

Ontario

Mon 2/17

6:00 am-6:45 pm

2 stops44h 45m

Perth

Mon 3/10

10:45 pm-9:27 pm

2 stops37h 42m

$1,411

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Sun 2/9

12:51 pm-9:00 am

2 stops25h 09m

Sydney Kingsford Smith

Mon 2/24

11:15 am-3:37 pm

2 stops23h 22m

$1,431

Flights are sorted by cheapest round-trip flights first.

Deals found on 11/20

Showing 1-10 of 54 results
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Best time to book a flight from Ontario to Australia

Have a flexible travel schedule? Discover the best time to fly to Australia 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.

Travel insights for flights from Ontario to Australia

Get recent, data-driven insights about flights from Ontario to Australia including ideal travel times, pricing trends, and more.

What is the cheapest month to book a flight from Ontario to Australia?

Currently, February is the cheapest month in which you can book a flight from Ontario to Australia (average of $1,062). Flying from Ontario to Australia in December is currently the most expensive (average of $1,318). 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 AU?

Find hourly flight availability from Ontario to Australia. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated November 21, 2024.

Regardless of the time of day you decide to fly, the ticket price will remain around the same. Book flights from Ontario to Australia as you normally would.

Rainfall in Australia by month

Plan your trip to Australia by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Australia ranges from 2.0 - 5.1 inches per month. March is typically the wettest month, when rainfall can reach 5.1 in. September is typically the driest time to visit Australia when rainfall is around 2.0 in.

Temperature in Australia by month

Plan your trip to Australia by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Australia, use this chart to help with planning. For those seeking warmer temperatures, January is the ideal time of year to visit, when temperatures reach an average of 71.6 F. Travelers looking to avoid the cold should look outside of July, when temperatures are typically at their lowest (around 51.8 F).

Reviews of airlines servicing Australia

Get insights into the airlines that provide service to Australia. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Australia. Reviews last updated November 21, 2024.
Read through reviews of airlines operating flights from Ontario to Australia, such as Hawaiian Airlines, American Airlines and United Airlines. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very good
1,460 reviews

Boarding

8.4

Overall

8.3

Food

7.7

Comfort

8.2

Entertainment

7.8

Crew

8.7

Reviews

1 / 10

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Japan Airlines
8.3
Very good
1,460 reviews
Japan Airlines
8.3
Very good
1,460 reviews

Boarding

8.4

Overall

8.3

Food

7.7

Comfort

8.2

Entertainment

7.8

Crew

8.7

Reviews

1 / 10

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

China Airlines
8.3
Very good
778 reviews
Japan Airlines
8.3
Very good
1,460 reviews

Boarding

8.4

Overall

8.3

Food

7.7

Comfort

8.2

Entertainment

7.8

Crew

8.7

Reviews

1 / 10

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Delta
8.0
Very good
8,759 reviews
Japan Airlines
8.3
Very good
1,460 reviews

Boarding

8.4

Overall

8.3

Food

7.7

Comfort

8.2

Entertainment

7.8

Crew

8.7

Reviews

1 / 10

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Hawaiian Airlines
7.9
Good
2,287 reviews
Japan Airlines
8.3
Very good
1,460 reviews

Boarding

8.4

Overall

8.3

Food

7.7

Comfort

8.2

Entertainment

7.8

Crew

8.7

Reviews

1 / 10

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Qatar Airways
7.5
Good
3,832 reviews
Japan Airlines
8.3
Very good
1,460 reviews

Boarding

8.4

Overall

8.3

Food

7.7

Comfort

8.2

Entertainment

7.8

Crew

8.7

Reviews

1 / 10

Excellent crew, great food and decent audio selection. Seats are wide and have plenty of leg room but could use some more padding.

Related info for your journey

Find useful and relevant information for your journey from Ontario to Australia. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airport do you fly from for flights from Ontario to Australia?

    If you book a flight to Australia from Ontario, you will be flying from Ontario, which is the city’s only airport. Ontario (ONT) is located 3.1 mi from the center of Ontario.

  • What are the cheapest airlines to fly from Ontario to Australia one-way?

    To fly one-way, consider booking your trip with Hawaiian Airlines, which is currently one of the cheapest options available, starting at $392. United Airlines flights start at $422 while deals on Lufthansa start at $455 one-way.

  • What are the most popular routes from Ontario to Australia?

    While some choose either Ontario - Melbourne or Ontario - Brisbane, Ontario - Sydney Kingsford Smith is the most popular route from Ontario to Australia.

  • Can I find deals for flights from Ontario to Australia that include hotel bookings?

    Yes. In addition to deals on Ontario to Australia flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Ontario to Australia?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Ontario to Australia.

  • Can I find deals for business class flights from Ontario to Australia?

    Yes. Cheapflights offers flight deals from Ontario to Australia 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 Australia?

    Currently, February is the cheapest month in which you can book a flight from Ontario to Australia (average of $1,062). Flying from Ontario to Australia in December is currently the most expensive (average of $1,318). 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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Top 3 airlines flying from Ontario to Australia

Discover the top 3 airlines that operate flights from Ontario to Australia. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,629,791 searches. Data last updated November 21, 2024.
AirlineCheapestAverageFlexibilityOn-time
Fiji AirwaysCheapest$493Average$855FlexibilityNo cancel feeOn-time74%
Qantas AirwaysCheapest$1,042Average$1,087FlexibilityNo cancel feeOn-time74%
United AirlinesCheapest$1,086Average$1,376FlexibilityNo cancel feeOn-time69%
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