Ontario

$413+ Cheap flights from Australia to Ontario (ONT)

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 2/12. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ONT
Jan 26 — Feb 21
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Australia to Ontario with Cheapflights

1. Tell us where you want to go
Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”
2. Select your favorite providers
We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.
3. Compare prices and book
Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Australia to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Australia (AU0) to Ontario (ONT). 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 January 21, 2025.

Round-trip from

$762
(flugladen.de)

One-way from

$413
(Trip.com)
From Australia to Ontario
One-way flight from Australia to Ontario

Find flight deals from Australia to Ontario

Cheapest flights from Australia to Ontario
Explore the most affordable flight options available from Australia to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on January 21, 2025.

This BestPriceTravel deal was found by Cheapflights users on 1/21. 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 BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 1/289:40 pmSYD - ONT
1 stop19h 00mHawaiian Airlines
Tue 2/49:45 amONT - SYD
1 stop39h 00mHawaiian Airlines
Deal found 1/21$704
This United Airlines deal was found by Cheapflights users on 1/20. 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.
Wed 2/1911:40 amBNE - ONT
1 stop24h 51mUnited Airlines
Wed 2/263:30 pmONT - BNE
1 stop22h 00mUnited Airlines
Deal found 1/20$774
This Delta deal was found by Cheapflights users on 1/20. 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 Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 3/62:15 pmSYD - ONT
2 stops28h 36mDelta
Thu 3/136:00 amONT - SYD
2 stops30h 05mDelta
Deal found 1/20$806
This United Airlines deal was found by Cheapflights users on 1/19. 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.
Sat 6/1410:20 amSYD - ONT
1 stop24h 19mUnited Airlines
Mon 6/236:41 pmONT - SYD
1 stop19h 14mUnited Airlines
Deal found 1/19$846
This Kissandfly.com deal was found by Cheapflights users on 1/21. 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.
Fri 4/1810:20 amSYD - ONT
1 stop21h 30mLufthansa
Sat 5/31:45 pmONT - SYD
1 stop24h 10mLufthansa
Deal found 1/21$903
This Jetabroad deal was found by Cheapflights users on 1/21. 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.
Wed 3/124:50 pmMEL - ONT
1 stop22h 05mMultiple Airlines
Tue 3/188:50 amONT - MEL
1 stop37h 30mMultiple Airlines
Deal found 1/21$928
This United Airlines deal was found by Cheapflights users on 1/21. 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 3/71:00 pmMEL - ONT
2 stops26h 57mUnited Airlines
Fri 3/145:05 amONT - MEL
2 stops33h 55mUnited Airlines
Deal found 1/21$999
This Booking.com deal was found by Cheapflights users on 1/21. 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.
Thu 10/1610:50 pmBNE - ONT
1 stop36h 10mChina Airlines
Thu 10/3011:45 pmONT - BNE
1 stop42h 00mChina Airlines
Deal found 1/21$1,018
This BestPriceTravel deal was found by Cheapflights users on 1/20. 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 BestPriceTravel is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 8/3110:10 pmSYD - ONT
1 stop37h 30mChina Airlines
Fri 9/1912:10 amONT - SYD
1 stop41h 35mChina Airlines
Deal found 1/20$1,034
This Booking.com deal was found by Cheapflights users on 1/20. 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.
Fri 3/711:20 pmMEL - ONT
1 stop36h 30mChina Airlines
Thu 4/312:10 amONT - MEL
1 stop41h 30mChina Airlines
Deal found 1/20$1,112
This United Airlines deal was found by Cheapflights users on 1/21. 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 5/286:00 amOOL - ONT
2 stops23h 34mUnited Airlines
Mon 6/161:36 pmONT - OOL
2 stops28h 04mUnited Airlines
Deal found 1/21$1,158
This China Airlines deal was found by Cheapflights users on 1/21. 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.
Mon 9/86:15 pmBNE - ONT
2 stops41h 25mMultiple Airlines
Tue 9/1612:10 amONT - BNE
1 stop41h 25mMultiple Airlines
Deal found 1/21$1,177

Find flights from Australia to Ontario within your budget

Customize your flight search to find flights from Australia to Ontario 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 January 21, 2025.

Fly from

Any airport

Fly to

Any airport

Route

Depart

Return

Price

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 3/6

9:40 pm-9:50 pm

1 stop19h 10m

Ontario

Thu 3/13

8:50 am-7:45 pm

1 stop40h 55m

$762

BrisbaneOntario

BNE - ONT

BNEONT

Brisbane

Tue 3/4

11:40 am-8:52 pm

2 stops27h 12m

Ontario

Thu 3/13

6:45 pm-6:30 am

1 stop18h 45m

$774

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 3/6

2:15 pm-11:51 pm

2 stops28h 36m

Ontario

Thu 3/13

6:00 am-6:05 am

2 stops30h 05m

$806

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sat 6/14

10:20 am-5:39 pm

1 stop24h 19m

Ontario

Tue 6/24

6:41 pm-6:55 am

1 stop19h 14m

$846

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Fri 4/18

10:20 am-2:50 pm

1 stop21h 30m

Ontario

Sat 5/3

1:45 pm-6:55 am

1 stop24h 10m

$903

MelbourneOntario

MEL - ONT

MELONT

Melbourne

Wed 3/12

4:50 pm-8:55 pm

1 stop22h 05m

Ontario

Tue 3/18

8:50 am-4:20 pm

1 stop37h 30m

$928

MelbourneOntario

MEL - ONT

MELONT

Melbourne

Fri 3/7

1:00 pm-10:45 pm

1 stop28h 45m

Ontario

Fri 3/14

6:00 am-9:00 am

1 stop33h 00m

$999

BrisbaneOntario

BNE - ONT

BNEONT

Brisbane

Fri 3/7

11:10 pm-4:50 pm

1 stop35h 40m

Ontario

Tue 3/11

11:45 pm-10:45 am

1 stop42h 00m

$1,051

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Fri 5/2

10:10 pm-6:00 pm

1 stop36h 50m

Ontario

Fri 5/9

12:10 am-10:45 am

1 stop41h 35m

$1,053

MelbourneOntario

MEL - ONT

MELONT

Melbourne

Fri 3/7

11:20 pm-4:50 pm

1 stop36h 30m

Ontario

Thu 4/3

12:10 am-11:40 am

1 stop41h 30m

$1,112

Flights are sorted by cheapest round-trip flights first.

Deals found on 1/21

Showing 1-10 of 39 results
1
2
3
4

Best time to book a flight from Australia to Ontario

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

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

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

Currently, August is the cheapest month in which you can book a flight from Australia to Ontario (average of $246). Flying from Australia to Ontario in March is currently the most expensive (average of $310). 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.

Rainfall in Ontario by month

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

In terms of precipitation, rainfall in Ontario ranges from 0.1 - 3.4 inches per month. February is typically the wettest month, when rainfall can reach 3.4 in. June is typically the driest time to visit Ontario when rainfall is around 0.1 in.

Temperature in Ontario by month

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

If weather is an important factor for your trip to Ontario, use this chart to help with planning. For those seeking warmer temperatures, August is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 53.6 F).

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. 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 Ontario. Reviews last updated January 21, 2025.
Get a feel of what it's like to fly with United Airlines, China Airlines and Qatar Airways from Australia to Ontario by reading reviews from past customers. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.3
Very good
1,449 reviews

Entertainment

7.8

Food

7.7

Boarding

8.4

Crew

8.7

Overall

8.3

Comfort

8.2

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.

8.3
Very good
1,449 reviews
8.3
Very good
1,449 reviews

Entertainment

7.8

Food

7.7

Boarding

8.4

Crew

8.7

Overall

8.3

Comfort

8.2

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.

8.2
Very good
737 reviews
8.3
Very good
1,449 reviews

Entertainment

7.8

Food

7.7

Boarding

8.4

Crew

8.7

Overall

8.3

Comfort

8.2

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.

8.0
Very good
8,521 reviews
8.3
Very good
1,449 reviews

Entertainment

7.8

Food

7.7

Boarding

8.4

Crew

8.7

Overall

8.3

Comfort

8.2

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.

7.9
Good
2,333 reviews
8.3
Very good
1,449 reviews

Entertainment

7.8

Food

7.7

Boarding

8.4

Crew

8.7

Overall

8.3

Comfort

8.2

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.

7.5
Good
3,754 reviews
8.3
Very good
1,449 reviews

Entertainment

7.8

Food

7.7

Boarding

8.4

Crew

8.7

Overall

8.3

Comfort

8.2

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 Australia to Ontario. 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 into for flights to Ontario from Australia?

    Ontario (ONT) is the airport you will fly into if you book a flight from Australia to Ontario. It is only a 3.1 mi journey from Ontario (ONT) to Ontario’s city center.

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

    One-way options have recently been found by users for as low as $471 on United Airlines. Other airlines that offer cheap prices include Hawaiian Airlines from $472 and China Airlines from $657 one-way.

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

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

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

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

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

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

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

    Currently, August is the cheapest month in which you can book a flight from Australia to Ontario (average of $246). Flying from Australia to Ontario in March is currently the most expensive (average of $310). 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

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.