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$479+ 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 4/11. Fares are subject to change and may not be available on all flights or dates of travel.
ONT — SYD
Dec 23 — Dec 301
Mon 12/23
Mon 12/30
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 December 18, 2024.

Round-trip from

$757
(Trip.com)

One-way from

$479
(Trip.com)
From Ontario to Australia
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One-way flight from Ontario to Australia
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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 December 18, 2024.

This United Airlines deal was found by Cheapflights users on 12/17. 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 12/251:57 pmONT - SYD
1 stop21h 23mUnited Airlines
Tue 12/3111:50 amSYD - ONT
1 stop29h 39mUnited Airlines
Deal found 12/17$1,000
This United Airlines deal was found by Cheapflights users on 12/17. 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 12/3110:39 amONT - MEL
1 stop28h 21mUnited Airlines
Wed 1/151:00 pmMEL - ONT
1 stop24h 04mUnited Airlines
Deal found 12/17$1,293
This United Airlines deal was found by Cheapflights users on 12/18. 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.
Fri 12/271:57 pmONT - BNE
1 stop23h 33mUnited Airlines
Sun 1/1211:40 amBNE - ONT
1 stop24h 17mUnited Airlines
Deal found 12/18$1,329
This Gotogate deal was found by Cheapflights users on 12/16. 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.
Tue 12/2410:45 pmONT - SYD
1 stop42h 25mChina Airlines
Sun 2/210:10 pmSYD - ONT
1 stop37h 40mChina Airlines
Deal found 12/16$2,086
This Alaska Airlines deal was found by Cheapflights users on 12/16. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/241:28 pmONT - SYD
3 stops35h 17mAlaska Airlines
Sun 2/29:40 pmSYD - ONT
2 stops31h 58mAlaska Airlines
Deal found 12/16$2,321
This American Airlines deal was found by Cheapflights users on 12/16. 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.
Tue 12/246:10 amONT - SYD
2 stops31h 50mAmerican Airlines
Sun 2/211:15 amSYD - ONT
2 stops26h 09mAmerican Airlines
Deal found 12/16$2,445
This Mytrip deal was found by Cheapflights users on 12/16. 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 Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/247:00 amONT - SYD
2 stops32h 15mMultiple Airlines
Sun 2/210:10 pmSYD - ONT
1 stop37h 40mMultiple Airlines
Deal found 12/16$2,483
This China Airlines deal was found by Cheapflights users on 12/17. 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.
Tue 12/2410:45 pmONT - BNE
1 stop42h 00mChina Airlines
Sun 1/1211:10 pmBNE - ONT
1 stop35h 40mChina Airlines
Deal found 12/17$2,667
This Gotogate deal was found by Cheapflights users on 12/16. 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.
Tue 12/2410:45 pmONT - MEL
1 stop42h 20mChina Airlines
Wed 1/112:25 amMEL - ONT
1 stop35h 25mChina Airlines
Deal found 12/16$3,037
This oojo deal was found by Cheapflights users on 12/17. 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 oojo is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/186:00 amONT - PER
2 stops44h 45mQatar Airways
Sat 12/2110:45 pmPER - ONT
2 stops36h 52mQatar Airways
Deal found 12/17$3,077
This Qatar Airways deal was found by Cheapflights users on 12/17. 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 Qatar Airways is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/238:52 pmONT - BNE
2 stops50h 38mMultiple Airlines
Tue 12/319:55 pmBNE - ONT
2 stops39h 42mMultiple Airlines
Deal found 12/17$3,202
This United Airlines deal was found by Cheapflights users on 12/18. 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 12/211:57 pmONT - ADL
2 stops28h 43mUnited Airlines
Mon 2/247:15 amADL - ONT
2 stops25h 44mUnited Airlines
Deal found 12/18$3,648

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 2,558,603 searches. Data last updated December 18, 2024.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Tue 4/1

9:05 am-4:35 pm

1 stop37h 30m

Melbourne

Wed 4/23

3:45 pm-8:15 pm

1 stop21h 30m

$757

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Sat 2/15

7:40 pm-6:20 am

1 stop39h 40m

Sydney Kingsford Smith

Sun 3/16

12:10 pm-10:45 pm

1 stop28h 35m

$966

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Sun 2/9

9:45 am-7:45 pm

1 stop39h 00m

Sydney Kingsford Smith

Sun 2/23

9:40 pm-9:50 pm

1 stop19h 10m

$969

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Wed 5/7

1:30 pm-6:35 am

2 stops24h 05m

Sydney Kingsford Smith

Mon 5/12

9:25 am-11:45 pm

2 stops31h 20m

$973

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Mon 2/3

6:38 pm-9:15 am

1 stop19h 37m

Sydney Kingsford Smith

Sun 2/16

4:15 pm-6:31 pm

1 stop21h 16m

$1,068

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Sat 2/15

7:40 pm-7:30 am

1 stop17h 50m

Brisbane

Sun 3/16

10:40 am-9:54 am

1 stop16h 14m

$1,250

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Sun 2/9

6:38 pm-10:00 am

1 stop20h 22m

Melbourne

Mon 2/24

1:00 pm-8:40 pm

1 stop26h 40m

$1,252

OntarioCoolangatta

ONT - OOL

ONTOOL

Ontario

Sat 2/1

10:47 am-8:40 am

2 stops51h 53m

Coolangatta Gold Coast

Sat 2/8

6:00 am-6:19 pm

2 stops30h 19m

$1,253

OntarioAdelaide

ONT - ADL

ONTADL

Ontario

Fri 1/31

10:47 am-10:55 am

2 stops29h 38m

Adelaide

Fri 2/7

6:10 am-5:57 pm

2 stops30h 17m

$1,400

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Wed 2/5

5:44 pm-7:45 pm

3 stops31h 01m

Sydney Kingsford Smith

Tue 2/11

9:40 pm-10:38 am

2 stops31h 58m

$1,454

Flights are sorted by cheapest round-trip flights first.

Deals found on 12/17

Showing 1-10 of 59 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 $1,051). Flying from Ontario to Australia in December is currently the most expensive (average of $1,643). 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 December 18, 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 December 18, 2024.
Read through reviews of airlines operating flights from Ontario to Australia, such as Hawaiian Airlines, China 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
1,443 reviews

Crew

8.7

Overall

8.3

Comfort

8.2

Food

7.7

Boarding

8.4

Entertainment

7.8

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
1,443 reviews
Japan Airlines
8.3
Very good
1,443 reviews

Crew

8.7

Overall

8.3

Comfort

8.2

Food

7.7

Boarding

8.4

Entertainment

7.8

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
754 reviews
Japan Airlines
8.3
Very good
1,443 reviews

Crew

8.7

Overall

8.3

Comfort

8.2

Food

7.7

Boarding

8.4

Entertainment

7.8

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.

Alaska Airlines
8.0
Very good
9,554 reviews
Japan Airlines
8.3
Very good
1,443 reviews

Crew

8.7

Overall

8.3

Comfort

8.2

Food

7.7

Boarding

8.4

Entertainment

7.8

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
8,604 reviews
Japan Airlines
8.3
Very good
1,443 reviews

Crew

8.7

Overall

8.3

Comfort

8.2

Food

7.7

Boarding

8.4

Entertainment

7.8

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
2,296 reviews
Japan Airlines
8.3
Very good
1,443 reviews

Crew

8.7

Overall

8.3

Comfort

8.2

Food

7.7

Boarding

8.4

Entertainment

7.8

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 United Airlines, which is currently one of the cheapest options available, starting at $480. Hawaiian Airlines flights start at $611 while deals on Delta start at $643 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 $1,051). Flying from Ontario to Australia in December is currently the most expensive (average of $1,643). 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 2 airlines flying from Ontario to Australia

Discover the top 2 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 2,558,603 searches. Data last updated December 18, 2024.
AirlineCheapestAverageFlexibilityOn-time
Fiji AirwaysCheapest$493Average$855FlexibilityNo cancel feeOn-time74%
Qantas AirwaysCheapest$1,042Average$1,087FlexibilityNo cancel feeOn-time74%
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