How long is the flight from Australia to Ontario?

United Airlines, Hawaiian Airlines, and Alaska Airlines can get you from Australia to Ontario in just under 18h 14m. Your travel time can differ by up to 19h 20m. The distance between Australia and Ontario is about 12820 km. Both multi-stop and direct flights can be found to your destination and back. Find deals

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

$825 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Alaska Airlines and Hawaiian Airlines, with prices starting from $941 and $998, respectively. Find deals

In terms of precipitation, rainfall in Ontario ranges from 3.0 - 86.0 inches per month. February is typically the wettest month, when rainfall can reach 86.0 mm. June is typically the driest time to visit Ontario when rainfall is around 3.0 mm. Find deals

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 26.0 C. Travellers hoping to avoid the cold should look outside of December, when temperatures are typically at their lowest (around 12.0 C).

What are the most popular routes from Australia to Ontario?

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

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

Most people fly into Ontario (ONT) if they book a flight to Ontario from Australia. Ontario is conveniently located just 4.9 km from Ontario’s city centre.

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 holiday 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.

$802+ Flights from Australia to Ontario

Find flight deals from Australia to Ontario

Enter your travel dates to find the best prices.

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 17 October 2025.

Tue 28/1021:40SYD - ONT

1 stop37h 34mHawaiian Airlines

Sun 9/1109:47ONT - SYD

1 stop38h 58mHawaiian Airlines

Deal found 17/10$1,383

Tue 18/1111:40BNE - ONT

2 stops27h 04mUnited Airlines

Mon 29/1213:40ONT - BNE

2 stops23h 50mUnited Airlines

Deal found 15/10$1,383

Mon 3/1111:40BNE - ONT

1 stop18h 57mUnited Airlines

Sun 16/1118:38ONT - BNE

1 stop18h 52mUnited Airlines

Deal found 17/10$1,395

Sun 2/1121:40SYD - ONT

1 stop38h 34mAlaska Airlines

Sun 9/1109:47ONT - SYD

1 stop38h 58mAlaska Airlines

Deal found 16/10$1,412

Fri 7/1121:40SYD - ONT

1 stop38h 34mAlaska Airlines

Tue 20/108:13ONT - SYD

1 stop40h 32mAlaska Airlines

Deal found 15/10$1,418

Fri 7/1111:40BNE - ONT

1 stop18h 57mUnited Airlines

Mon 2/213:53ONT - BNE

1 stop23h 37mUnited Airlines

Deal found 15/10$1,457

Sat 1/1110:40BNE - ONT

1 stop29h 11mUnited Airlines

Sun 9/1113:40ONT - BNE

1 stop23h 50mUnited Airlines

Deal found 15/10$1,458

Tue 18/1113:00MEL - ONT

1 stop18h 37mUnited Airlines

Tue 25/1113:29ONT - MEL

2 stops25h 31mUnited Airlines

Deal found 15/10$1,460

Sun 2/1111:40BNE - ONT

1 stop18h 57mUnited Airlines

Sun 16/1113:40ONT - BNE

1 stop23h 50mUnited Airlines

Deal found 17/10$1,460

Sun 2/1111:40BNE - ONT

1 stop18h 57mUnited Airlines

Mon 17/1118:38ONT - BNE

1 stop18h 52mUnited Airlines

Deal found 15/10$1,463

Sat 1/1110:40BNE - ONT

2 stops27h 04mUnited Airlines

Sat 15/1113:29ONT - BNE

2 stops48h 01mUnited Airlines

Deal found 16/10$1,464

Thu 20/1112:10SYD - ONT

1 stop19h 27mUnited Airlines

Sun 30/1106:00ONT - SYD

1 stop32h 15mUnited Airlines

Deal found 15/10$1,469

Best flights from Australia to Ontario
Discover carefully curated flight deals from Australia to Ontario that have cost, travel time, and stopovers in mind to ensure you get the best travel experience. Data last updated 17 October 2025.

Sat 24/113:00MEL - ONT

1 stop18h 14mUnited Airlines

Sun 8/218:39ONT - MEL

1 stop20h 21mUnited Airlines

Deal found 16/10$1,336

Tue 28/1021:40SYD - ONT

1 stop37h 34mHawaiian Airlines

Sun 9/1109:47ONT - SYD

1 stop38h 58mHawaiian Airlines

Deal found 17/10$1,383

Fri 31/1021:40SYD - ONT

1 stop37h 34mAlaska Airlines

Wed 5/1109:47ONT - SYD

1 stop38h 58mAlaska Airlines

Deal found 15/10$1,418

Sat 21/305:15PER - ONT

2 stops27h 35mMultiple Airlines

Fri 3/400:10ONT - PER

3 stops33h 20mMultiple Airlines

Deal found 16/10$2,334

Thu 15/113:00MEL - ONT

1 stop28h 53mUnited Airlines

Sun 1/218:39ONT - MEL

1 stop20h 21mUnited Airlines

Deal found 16/10$1,336

Wed 5/1119:00ADL - ONT

2 stops40h 20mChina Airlines

Fri 21/1122:50ONT - ADL

2 stops48h 55mChina Airlines

Deal found 14/10$2,741

Fri 23/113:00MEL - ONT

1 stop18h 14mUnited Airlines

Sun 8/218:39ONT - MEL

1 stop20h 21mUnited Airlines

Deal found 16/10$1,336

Sat 1/1122:45PER - ONT

2 stops35h 37mQatar Airways

Wed 5/1111:59ONT - PER

2 stops31h 56mQatar Airways

Deal found 15/10$3,021

Tue 20/113:00MEL - ONT

1 stop23h 51mUnited Airlines

Fri 13/218:37ONT - MEL

1 stop20h 23mUnited Airlines

Deal found 16/10$1,341

Mon 19/113:00MEL - ONT

1 stop28h 53mUnited Airlines

Fri 13/206:00ONT - MEL

1 stop33h 00mUnited Airlines

Deal found 16/10$1,341

Wed 5/1111:40BNE - ONT

1 stop18h 57mUnited Airlines

Wed 12/1113:33ONT - BNE

2 stops23h 57mUnited Airlines

Deal found 15/10$1,383

Tue 18/1111:40BNE - ONT

1 stop29h 11mUnited Airlines

Mon 29/1218:39ONT - BNE

1 stop18h 51mUnited Airlines

Deal found 15/10$1,383

Mon 3/1111:40BNE - ONT

1 stop18h 57mUnited Airlines

Sun 16/1106:00ONT - BNE

1 stop31h 30mUnited Airlines

Deal found 17/10$1,390

Fri 7/1111:40BNE - ONT

1 stop18h 57mUnited Airlines

Mon 2/213:20ONT - BNE

2 stops24h 10mUnited Airlines

Deal found 15/10$1,457

Sun 2/1111:40BNE - ONT

1 stop18h 57mUnited Airlines

Sun 9/1118:38ONT - BNE

1 stop18h 52mUnited Airlines

Deal found 15/10$1,458

Thu 6/1122:45PER - ONT

2 stops40h 47mQatar Airways

Sun 9/1106:00ONT - PER

2 stops44h 45mQatar Airways

Deal found 15/10$3,321

Tue 18/1113:00MEL - ONT

1 stop18h 37mUnited Airlines

Tue 25/1113:29ONT - MEL

2 stops25h 31mUnited Airlines

Deal found 15/10$1,460

Sun 2/1111:40BNE - ONT

1 stop18h 57mUnited Airlines

Sun 16/1113:40ONT - BNE

1 stop23h 50mUnited Airlines

Deal found 17/10$1,460

Wed 5/1122:00ADL - ONT

2 stops41h 23mMultiple Airlines

Fri 21/1110:49ONT - ADL

3 stops50h 51mMultiple Airlines

Deal found 14/10$3,849

Sun 2/1111:40BNE - ONT

1 stop18h 57mUnited Airlines

Mon 17/1118:38ONT - BNE

1 stop18h 52mUnited Airlines

Deal found 15/10$1,463

Sat 1/1110:40BNE - ONT

1 stop23h 54mUnited Airlines

Sat 15/1113:29ONT - BNE

2 stops48h 01mUnited Airlines

Deal found 16/10$1,464

Fri 14/1111:40BNE - ONT

1 stop18h 57mUnited Airlines

Sun 30/1113:40ONT - BNE

1 stop23h 50mUnited Airlines

Deal found 15/10$1,464

Thu 20/1112:10SYD - ONT

1 stop19h 27mUnited Airlines

Sun 30/1106:00ONT - SYD

1 stop32h 15mUnited Airlines

Deal found 15/10$1,469

Wed 24/1212:10SYD - ONT

2 stops27h 57mUnited Airlines

Wed 21/113:53ONT - SYD

1 stop24h 22mUnited Airlines

Deal found 17/10$1,473

Tue 11/1112:10SYD - ONT

1 stop24h 24mUnited Airlines

Sun 14/1213:50ONT - SYD

1 stop21h 30mUnited Airlines

Deal found 15/10$1,478

Mon 3/1112:10SYD - ONT

1 stop19h 27mUnited Airlines

Sun 16/1118:38ONT - SYD

1 stop19h 37mUnited Airlines

Deal found 15/10$1,492

Sun 2/1113:00MEL - ONT

2 stops26h 44mUnited Airlines

Sun 16/1118:38ONT - MEL

1 stop20h 22mUnited Airlines

Deal found 17/10$1,538

Sun 2/1113:00MEL - ONT

1 stop18h 37mUnited Airlines

Mon 10/1118:38ONT - MEL

1 stop20h 22mUnited Airlines

Deal found 16/10$1,541

Mon 10/1111:50SYD - ONT

2 stops27h 54mUnited Airlines

Fri 14/1113:29ONT - SYD

2 stops46h 31mUnited Airlines

Deal found 15/10$1,544

Fri 21/1111:50SYD - ONT

2 stops27h 54mUnited Airlines

Mon 1/1213:40ONT - SYD

1 stop24h 35mUnited Airlines

Deal found 15/10$1,544

Last-minute flights from Australia to Ontario
Discover last-minute flight deals from Australia to Ontario. Data last updated 17 October 2025 and is based on user searches.

Sat 1/1110:40BNE - ONT

1 stop29h 11mUnited Airlines

Sun 9/1113:40ONT - BNE

1 stop23h 50mUnited Airlines

Deal found 15/10$1,458

Sat 1/1110:40BNE - ONT

2 stops27h 04mUnited Airlines

Sat 15/1113:29ONT - BNE

2 stops48h 01mUnited Airlines

Deal found 16/10$1,464

Sat 1/1112:00MEL - ONT

1 stop23h 34mUnited Airlines

Sat 15/1106:05ONT - MEL

2 stops56h 55mUnited Airlines

Deal found 16/10$1,541

Sun 2/1111:40BNE - ONT

1 stop18h 57mUnited Airlines

Sun 16/1113:40ONT - BNE

1 stop23h 50mUnited Airlines

Deal found 17/10$1,460

Sun 2/1111:40BNE - ONT

1 stop18h 57mUnited Airlines

Mon 17/1118:38ONT - BNE

1 stop18h 52mUnited Airlines

Deal found 15/10$1,463

Sun 2/1113:00MEL - ONT

1 stop23h 34mUnited Airlines

Sun 9/1106:00ONT - MEL

1 stop33h 00mUnited Airlines

Deal found 15/10$1,534

Sun 2/1113:00MEL - ONT

2 stops26h 44mUnited Airlines

Sun 16/1118:38ONT - MEL

1 stop20h 22mUnited Airlines

Deal found 17/10$1,538

Mon 3/1111:40BNE - ONT

1 stop18h 57mUnited Airlines

Sun 16/1118:38ONT - BNE

1 stop18h 52mUnited Airlines

Deal found 17/10$1,395

Fri 7/1111:40BNE - ONT

1 stop18h 57mUnited Airlines

Mon 2/213:53ONT - BNE

1 stop23h 37mUnited Airlines

Deal found 15/10$1,457

Tue 18/1111:40BNE - ONT

1 stop29h 11mUnited Airlines

Mon 29/1218:39ONT - BNE

1 stop18h 51mUnited Airlines

Deal found 15/10$1,383

Tue 18/1113:00MEL - ONT

1 stop18h 37mUnited Airlines

Tue 25/1113:29ONT - MEL

2 stops25h 31mUnited Airlines

Deal found 15/10$1,460

Fri 21/1111:40BNE - ONT

1 stop18h 57mUnited Airlines

Sun 30/1120:38ONT - BNE

1 stop16h 52mUnited Airlines

Deal found 17/10$1,477

One-way flights from Australia to Ontario
Search for one-way flight options from Australia to Ontario. Find affordable one-way fares based on user searches. Data last updated 17 October 2025.

Tue 11/1121:40SYD - ONT

1 stop38h 34mHawaiian Airlines

Deal found 14/10$802

Thu 25/1213:00MEL - ONT

1 stop40h 01mUnited Airlines

Deal found 14/10$825

Fri 19/1213:00MEL - ONT

1 stop23h 43mUnited Airlines

Deal found 16/10$828

Fri 5/1213:00MEL - ONT

1 stop18h 18mUnited Airlines

Deal found 16/10$830

Wed 12/1111:40BNE - ONT

2 stops42h 53mUnited Airlines

Deal found 15/10$891

Mon 3/1111:40BNE - ONT

2 stops42h 51mUnited Airlines

Deal found 16/10$896

Tue 13/121:40SYD - ONT

1 stop19h 48mHawaiian Airlines

Deal found 14/10$938

Tue 9/1221:40SYD - ONT

1 stop17h 43mAlaska Airlines

Deal found 16/10$941

Fri 5/1221:40SYD - ONT

1 stop17h 43mAlaska Airlines

Deal found 16/10$956

Tue 11/1121:40SYD - ONT

1 stop38h 34mAlaska Airlines

Deal found 14/10$968

Sun 9/1121:40SYD - ONT

2 stops31h 18mAlaska Airlines

Deal found 14/10$972

Sun 7/1221:40SYD - ONT

1 stop17h 43mHawaiian Airlines

Deal found 16/10$982

Cheap flight deals from Australia to Ontario

Round-trip from	$1,335
One-way from	$802
Popular in	December
Cheapest in	February
Average price	$1,213

United Airlines
21/1-13/2
2 total stops
38h 37m total
Australia to Ontario

Search Deals

Hawaiian Airlines
11/11
1 total stop
38h 34m total
Australia to Ontario

Search Deals

Highest demand for flights based on searches. 11% potential increase in price ($261 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 3% potential price decrease ($67 potential savings vs. average return price).

Search Deals

Average for round-trip flights in October 2025

Search Deals

Fly from

Fly to

Route

Depart

Return

Price

MelbourneOntario

MEL - ONT

MELONT

Melbourne

Sat 24/1

13:00-12:14

1 stop18h 14m

Ontario

Sun 8/2

18:39-10:00

1 stop20h 21m

$1,336

MelbourneOntario

MEL - ONT

MELONT

Melbourne

Thu 15/1

13:00-22:53

1 stop28h 53m

Ontario

Sun 1/2

18:39-10:00

1 stop20h 21m

$1,336

MelbourneOntario

MEL - ONT

MELONT

Melbourne

Fri 23/1

13:00-12:14

1 stop18h 14m

Ontario

Sun 8/2

18:39-10:00

1 stop20h 21m

$1,336

MelbourneOntario

MEL - ONT

MELONT

Melbourne

Tue 20/1

13:00-17:51

1 stop23h 51m

Ontario

Fri 13/2

18:37-10:00

1 stop20h 23m

$1,341

MelbourneOntario

MEL - ONT

MELONT

Melbourne

Mon 19/1

13:00-22:53

1 stop28h 53m

Ontario

Fri 13/2

06:00-10:00

1 stop33h 00m

$1,341

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 28/10

21:40-17:14

1 stop37h 34m

Ontario

Sun 9/11

09:47-19:45

1 stop38h 58m

$1,383

BrisbaneOntario

BNE - ONT

BNEONT

Brisbane

Wed 5/11

11:40-12:37

1 stop18h 57m

Ontario

Wed 12/11

13:33-07:30

2 stops23h 57m

$1,383

BrisbaneOntario

BNE - ONT

BNEONT

Brisbane

Tue 18/11

11:40-22:51

1 stop29h 11m

Ontario

Mon 29/12

18:39-07:30

1 stop18h 51m

$1,383

BrisbaneOntario

BNE - ONT

BNEONT

Brisbane

Mon 3/11

11:40-12:37

1 stop18h 57m

Ontario

Sun 16/11

06:00-07:30

1 stop31h 30m

$1,390

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Fri 31/10

21:40-17:14

1 stop37h 34m

Ontario

Wed 5/11

09:47-19:45

1 stop38h 58m

$1,418

Flights are sorted by cheapest return flights first.

Deals found on 15/10

Showing 1-10 of 60 results

...

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 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 Australia to Ontario

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

Currently, January is the cheapest month in which you can book a flight from Australia to Ontario (average of $697). Flying from Australia to Ontario in July is currently the most expensive (average of $985). 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 AU to ONT?

A simple way to save on the total cost of your ticket is to fly from Australia to Ontario at midday. If you’re flexible enough to do this you can expect to save up to 27% on your trip compared to booking a flight in the evening.

Reviews of airlines servicing Ontario

Check out reviews from past customers who have flown with United Airlines from Australia to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

United Airlines

7.4

Good

8,982 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

United Airlines

7.4

Good

8,982 reviews

United Airlines

7.4

Good

8,982 reviews

Check prices

Reviews

1 / 20

10.0

Excellent

Anonymous,Sept 2025

FRA - SFO

Lufthansa was amazing, I wish United States based airlines operated like them.

Related info for your journey

What airport do you fly into for flights to Ontario from Australia?
Most people fly into Ontario (ONT) if they book a flight to Ontario from Australia. Ontario is conveniently located just 4.9 km from Ontario’s city centre.
How long is the flight from Australia to Ontario?
United Airlines, Hawaiian Airlines, and Alaska Airlines can get you from Australia to Ontario in just under 18h 14m. Your travel time can differ by up to 19h 20m. The distance between Australia and Ontario is about 12820 km. Both multi-stop and direct flights can be found to your destination and back.
What are the cheapest airlines to fly from Australia to Ontario one-way?
$825 is the cheapest one-way deal found within the past few days, from United Airlines. You may also be able to find cheap deals on Alaska Airlines and Hawaiian Airlines, with prices starting from $941 and $998, respectively.
What are the most popular routes from Australia to Ontario?
While some choose either Melbourne - Ontario or Brisbane - Ontario, Sydney Kingsford Smith - Ontario is the most popular route 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 holiday 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, January is the cheapest month in which you can book a flight from Australia to Ontario (average of $697). Flying from Australia to Ontario in July is currently the most expensive (average of $985). 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

Alternative routes for Australia to Ontario

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Top airline flying from Australia to Ontario

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$1,073	Average$1,779	FlexibilityNo cancel fee	On-time69%	Search United Airlines flights

Fly with Cheapflights

How does Cheapflights help users find flights from Australia to Ontario?

Cheapflights makes it easy to find Australia to Ontario flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Australia to Ontario?

By finding flights from multiple airlines and providers at completely no cost, Cheapflights helps millions of users like you annually find the best flights to Ontario from Australia.

Can Cheapflights find flights from Australia to Ontario with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Australia to Ontario, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Australia to Ontario become cheaper?

Not ready to book yet? You can track prices for flights from Australia to Ontario on Cheapflights with our Price Alert feature and get notified when better prices are available.

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Cheap flights from Australia to Ontario from $802

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 11/11. Fares are subject to change and may not be available on all flights or dates of travel.

Find flight deals from Australia to Ontario

Cheapest flights from Australia to OntarioExplore 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 17 October 2025.

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 17 October 2025.

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 17 October 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

Cheapflights Fare Finder

Use the filters below to find and compare flights from Australia to Ontario that are best for you.

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.

Cheapflights Insights

Everything you need to know about your flight from Australia to Ontario

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

What is the cheapest time of day to fly from AU to ONT?

Find hourly flight availability from Australia to Ontario. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated 17 October 2025.

Reviews of airlines servicing Ontario

Check out reviews from past customers who have flown with United Airlines from Australia to Ontario to help guide your decision. You can also see how each airline stacks up in terms of entertainment options, comfort, food, crew/service, and boarding process.

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?

How long is the flight from Australia to Ontario?

What are the cheapest airlines to fly from Australia to Ontario 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?

How can I find direct flights from Australia to Ontario?

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

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

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.

Alternative routes for Australia to Ontario

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

Top airline flying from Australia to Ontario

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Australia to Ontario?

Why should you use Cheapflights to find cheap flight tickets from Australia to Ontario?

Can Cheapflights find flights from Australia to Ontario with no change fees?

Can Cheapflights notify me if prices for flights from Australia to Ontario become cheaper?

100% Free

Book with Flexibility

Travel Smart

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 17 October 2025.