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Ontario

$412+ 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 4/30. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ONT
Feb 25 — Mar 41
Tue 2/25
Tue 3/4
1 adult, Economy
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Cheap flight deals from Australia to Ontario

Keep the following information in mind while searching for Australia to Ontario flight deals. Data was last updated February 20, 2025.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$792
(United Airlines)

One-way from

$412
(Trip.com)

Popular in

December

Cheapest in

May

Average price

$768
Provider with most accurate pricing for Sydney Kingsford Smith-Los Angeles flight deals.
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Provider most trusted by Cheapflights users for Sydney Kingsford Smith-Los Angeles flights.
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From Australia to Ontario
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One-way flight from Australia to Ontario
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Highest demand for flights based on searches. 13% potential increase in price ($136 potential increase over avg. RT price).
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Cheapest flight prices on average. 4% potential price decrease ($37 potential savings vs. average RT price).
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Average for round-trip flights in February 2025
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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 February 20, 2025.

This United Airlines deal was found by Cheapflights users on 2/20. 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.
Sun 3/2310:40 amBNE - ONT
1 stop16h 14mUnited Airlines
Sun 4/131:20 pmONT - BNE
1 stop24h 10mUnited Airlines
Deal found 2/20$792
This United Airlines deal was found by Cheapflights users on 2/20. 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.
Tue 3/41:00 pmMEL - ONT
1 stop39h 15mUnited Airlines
Tue 3/116:00 amONT - MEL
1 stop33h 00mUnited Airlines
Deal found 2/20$845
This United Airlines deal was found by Cheapflights users on 2/19. 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.
Fri 2/214:15 pmSYD - ONT
1 stop17h 14mUnited Airlines
Sun 3/96:45 pmONT - SYD
1 stop20h 30mUnited Airlines
Deal found 2/19$858
This Kissandfly.com deal was found by Cheapflights users on 2/20. 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 Kissandfly.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sun 2/2312:10 pmSYD - ONT
1 stop27h 30mLufthansa
Tue 3/116:45 pmONT - SYD
1 stop20h 30mLufthansa
Deal found 2/20$877
This flugladen.de deal was found by Cheapflights users on 2/20. 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 flugladen.de is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 3/31:00 pmMEL - ONT
1 stop20h 29mBrussels Airlines
Sun 3/166:45 pmONT - MEL
1 stop20h 15mBrussels Airlines
Deal found 2/20$878
This BestPriceTravel deal was found by Cheapflights users on 2/20. 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.
Fri 2/219:40 pmSYD - ONT
1 stop19h 10mHawaiian Airlines
Tue 2/259:45 amONT - SYD
1 stop39h 00mHawaiian Airlines
Deal found 2/20$991
This Booking.com deal was found by Cheapflights users on 2/20. 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.
Mon 9/110:10 pmSYD - ONT
1 stop37h 30mChina Airlines
Sun 9/712:45 amONT - SYD
1 stop41h 00mChina Airlines
Deal found 2/20$1,147
This China Airlines deal was found by Cheapflights users on 2/20. 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.
Wed 9/39:50 pmMEL - ONT
1 stop37h 50mChina Airlines
Tue 9/912:45 amONT - MEL
1 stop40h 55mChina Airlines
Deal found 2/20$1,147
This China Airlines deal was found by Cheapflights users on 2/20. 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.
Tue 11/411:10 pmBNE - ONT
1 stop35h 40mChina Airlines
Wed 11/1210:45 pmONT - BNE
1 stop42h 00mChina Airlines
Deal found 2/20$1,161
This United Airlines deal was found by Cheapflights users on 2/19. 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 6/246:00 amOOL - ONT
2 stops33h 45mUnited Airlines
Sun 7/276:43 pmONT - OOL
2 stops24h 32mUnited Airlines
Deal found 2/19$1,167
This Trip.com deal was found by Cheapflights users on 2/19. 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 Trip.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 4/99:35 pmPER - ONT
2 stops35h 25mMultiple Airlines
Sat 5/1012:10 amONT - PER
2 stops50h 00mMultiple Airlines
Deal found 2/19$1,237
This China Airlines deal was found by Cheapflights users on 2/20. 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.
Thu 5/110:50 pmBNE - ONT
1 stop36h 10mMultiple Airlines
Sat 5/1012:10 amONT - BNE
2 stops47h 30mMultiple Airlines
Deal found 2/20$1,297

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 February 20, 2025.

Fly from

Australia

Fly to

Ontario

Route

Depart

Return

Price

BrisbaneOntario

BNE - ONT

BNEONT

Brisbane

Sun 3/23

10:40 am-9:54 am

1 stop16h 14m

Ontario

Sun 4/13

1:20 pm-6:30 am

1 stop24h 10m

$792

MelbourneOntario

MEL - ONT

MELONT

Melbourne

Tue 3/4

1:00 pm-9:59 pm

2 stops51h 59m

Ontario

Tue 3/11

6:45 pm-9:00 am

1 stop20h 15m

$845

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Fri 3/7

11:50 am-9:59 pm

1 stop29h 09m

Ontario

Fri 3/14

1:40 pm-9:15 am

2 stops49h 35m

$860

MelbourneOntario

MEL - ONT

MELONT

Melbourne

Mon 3/3

1:00 pm-2:29 pm

1 stop20h 29m

Ontario

Sun 3/16

6:45 pm-9:00 am

1 stop20h 15m

$878

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sun 4/27

9:40 pm-9:50 pm

1 stop17h 10m

Ontario

Fri 5/2

9:45 am-7:45 pm

1 stop41h 00m

$1,007

MelbourneOntario

MEL - ONT

MELONT

Melbourne

Sun 3/9

11:20 pm-5:50 pm

1 stop36h 30m

Ontario

Sat 3/15

11:45 pm-12:05 pm

1 stop42h 20m

$1,149

CoolangattaOntario

OOL - ONT

OOLONT

Coolangatta Gold Coast

Tue 6/24

6:00 am-10:45 pm

2 stops33h 45m

Ontario

Sun 7/27

6:43 pm-12:15 pm

2 stops24h 32m

$1,167

BrisbaneOntario

BNE - ONT

BNEONT

Brisbane

Thu 5/1

10:50 pm-6:00 pm

1 stop36h 10m

Ontario

Sat 5/10

12:10 am-10:35 am

1 stop41h 25m

$1,168

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sun 4/27

10:10 pm-6:00 pm

1 stop36h 50m

Ontario

Thu 5/1

12:10 am-10:45 am

1 stop41h 35m

$1,170

PerthOntario

PER - ONT

PERONT

Perth

Wed 4/9

9:35 pm-6:00 pm

2 stops35h 25m

Ontario

Sat 5/10

12:10 am-5:10 pm

2 stops50h 00m

$1,237

Flights are sorted by cheapest round-trip flights first.

Deals found on 2/19

Showing 1-10 of 41 results
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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 $315). 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 February 20, 2025.
Get a feel of what it's like to fly with Japan Airlines, China Airlines and Hawaiian Airlines 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.
Japan Airlines
8.3
Very good
1,440 reviews

Crew

8.7

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Food

7.7

Reviews

1 / 20

10.0
Excellent

L,Nov 2024

SNA - SEA

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
1,440 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Crew

8.7

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Food

7.7

Reviews

1 / 20

10.0
Excellent

L,Nov 2024

SNA - SEA

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
8.2
Very good
727 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Crew

8.7

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Food

7.7

Reviews

1 / 20

10.0
Excellent

L,Nov 2024

SNA - SEA

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
2,317 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Crew

8.7

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Food

7.7

Reviews

1 / 20

10.0
Excellent

L,Nov 2024

SNA - SEA

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
7.4
Good
3,609 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Crew

8.7

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Food

7.7

Reviews

1 / 20

10.0
Excellent

L,Nov 2024

SNA - SEA

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

United Airlines
7.4
Good
8,766 reviews
Japan Airlines
8.3
Very good
1,440 reviews

Crew

8.7

Overall

8.3

Boarding

8.4

Comfort

8.2

Entertainment

7.8

Food

7.7

Reviews

1 / 20

10.0
Excellent

L,Nov 2024

SNA - SEA

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 $484 on United Airlines. Other airlines that offer cheap prices include Lufthansa from $522 and Hawaiian Airlines from $651 one-way.

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

    The most popular flight routes from Australia to Ontario are Sydney Kingsford Smith - Ontario, Melbourne - Ontario and Brisbane - 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 $315). 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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Alternative routes for Australia to Ontario

See prices for flight routes from nearby airports that may be better suited for you.
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