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

$1,067 is the cheapest one-way deal found within the past few days, from China Airlines. You may also be able to find cheap deals on Hawaiian Airlines and United Airlines, with prices starting from $1,131 and $1,174, respectively. Find deals

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. Find deals

How far in advance should I book a flight from Australia to Ontario?

Users have found that booking a flight from Australia to Ontario at least 48 days early can save you up to 11% on average compared to booking a flight this week. If booking 48 days before your flight isn’t an option for you, users have found flights from Australia to Ontario for as little as $1,353 when booking for a departure date within the next two weeks. You can also check prices now. Some users have found airline tickets as low as $1,488 for flights departing within the next 3 days.

What is the cheapest month to fly from Australia to Ontario?

Flights from Australia to Ontario lean towards being more expensive in December. Prices are generally better when you fly from Australia to Ontario in May, with the cheapest ticket starting at $968.

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.

$2,137+ Flights from Australia to Ontario

Cheap flight deals from Australia to Ontario

Round-trip from	$1,336
One-way from	$634
Popular in	December
Cheapest in	May
Average price	$1,228

13/8-16/8
2 total stops
58h 47m total
Australia to Ontario

Search Deals

11/4
2 total stops
48h 54m total
Australia to Ontario

Search Deals

Highest demand for flights based on searches. 13% potential increase in price ($353 potential increase over avg. return price).

Search Deals

Cheapest flight prices on average. 4% potential price decrease ($95 potential savings vs. average return price).

Search Deals

Average for round-trip flights in March 2025

Search Deals

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 31 March 2025.

Wed 13/816:20SYD - ONT

1 stop22h 07mMultiple Airlines

Sat 16/809:00ONT - SYD

1 stop36h 40mMultiple Airlines

Deal found 29/3$1,336

Fri 7/1111:40BNE - ONT

1 stop19h 30mUnited Airlines

Sun 16/1118:42ONT - BNE

1 stop18h 48mUnited Airlines

Deal found 29/3$1,441

Thu 22/521:40SYD - ONT

1 stop17h 15mHawaiian Airlines

Wed 4/609:50ONT - SYD

1 stop40h 55mHawaiian Airlines

Deal found 30/3$1,628

Sat 19/412:55MEL - ONT

2 stops35h 34mMultiple Airlines

Fri 25/418:14ONT - MEL

2 stops49h 01mMultiple Airlines

Deal found 31/3$1,684

Sun 14/921:50MEL - ONT

1 stop37h 50mChina Airlines

Sun 12/1000:10ONT - MEL

1 stop41h 30mChina Airlines

Deal found 30/3$1,729

Thu 15/522:10SYD - ONT

1 stop36h 50mChina Airlines

Sun 7/900:45ONT - SYD

1 stop41h 00mChina Airlines

Deal found 31/3$1,748

Sat 6/922:50BNE - ONT

1 stop36h 50mChina Airlines

Sat 11/1000:10ONT - BNE

1 stop41h 25mChina Airlines

Deal found 31/3$1,771

Tue 26/810:20SYD - ONT

1 stop18h 53mUnited Airlines

Tue 9/918:36ONT - SYD

1 stop19h 19mUnited Airlines

Deal found 30/3$1,791

Tue 3/610:55MEL - ONT

2 stops23h 30mUnited Airlines

Wed 18/618:41ONT - MEL

1 stop20h 34mUnited Airlines

Deal found 30/3$1,876

Wed 4/618:15BNE - ONT

2 stops40h 45mMultiple Airlines

Mon 23/600:10ONT - BNE

1 stop41h 25mMultiple Airlines

Deal found 31/3$2,015

Sun 1/615:30MEL - ONT

2 stops23h 25mHawaiian Airlines

Mon 30/609:00ONT - MEL

2 stops29h 35mHawaiian Airlines

Deal found 30/3$2,102

Thu 10/407:50PER - ONT

2 stops49h 10mMultiple Airlines

Sun 13/400:10ONT - PER

2 stops45h 00mMultiple Airlines

Deal found 30/3$2,317

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 31 March 2025.

Wed 13/816:20SYD - ONT

1 stop22h 07mMultiple Airlines

Sat 16/809:00ONT - SYD

1 stop36h 40mMultiple Airlines

Deal found 29/3$1,336

Thu 22/521:40SYD - ONT

1 stop17h 15mHawaiian Airlines

Wed 4/609:50ONT - SYD

1 stop40h 55mHawaiian Airlines

Deal found 30/3$1,628

Thu 15/522:10SYD - ONT

1 stop36h 50mChina Airlines

Sun 7/900:45ONT - SYD

1 stop41h 00mChina Airlines

Deal found 31/3$1,748

Tue 26/810:20SYD - ONT

1 stop18h 53mUnited Airlines

Tue 9/918:36ONT - SYD

1 stop19h 19mUnited Airlines

Deal found 30/3$1,791

Sun 25/510:55MEL - ONT

1 stop23h 44mLufthansa

Mon 9/613:33ONT - MEL

2 stops25h 42mLufthansa

Deal found 31/3$2,538

Mon 15/922:45PER - ONT

2 stops34h 38mQatar Airways

Thu 16/1011:30ONT - PER

2 stops33h 25mQatar Airways

Deal found 30/3$2,544

Wed 4/607:25MEL - ONT

2 stops25h 25mJapan Airlines

Mon 9/606:00ONT - MEL

2 stops30h 45mJapan Airlines

Deal found 29/3$2,767

Sat 19/412:55MEL - ONT

2 stops35h 34mMultiple Airlines

Fri 25/418:14ONT - MEL

2 stops49h 01mMultiple Airlines

Deal found 31/3$1,684

Sat 6/922:50BNE - ONT

1 stop36h 50mChina Airlines

Sat 11/1000:10ONT - BNE

1 stop41h 25mChina Airlines

Deal found 31/3$1,771

Tue 3/610:55MEL - ONT

2 stops23h 30mUnited Airlines

Wed 18/618:41ONT - MEL

1 stop20h 34mUnited Airlines

Deal found 30/3$1,876

Fri 30/521:50MEL - ONT

1 stop37h 10mChina Airlines

Thu 26/600:10ONT - MEL

1 stop41h 30mChina Airlines

Deal found 30/3$1,806

Sun 1/615:30MEL - ONT

2 stops23h 25mHawaiian Airlines

Mon 30/609:00ONT - MEL

2 stops29h 35mHawaiian Airlines

Deal found 30/3$2,102

Last-minute flights from Australia to Ontario
Discover last-minute flight deals from Australia to Ontario. Data last updated 31 March 2025 and is based on user searches.

Mon 31/310:30BNE - ONT

2 stops43h 08mUnited Airlines

Fri 4/406:10ONT - BNE

2 stops55h 20mUnited Airlines

Deal found 30/3$2,072

Thu 3/422:10SYD - ONT

1 stop37h 50mChina Airlines

Sun 6/400:10ONT - SYD

1 stop41h 35mChina Airlines

Deal found 31/3$1,973

Fri 4/408:05BNE - ONT

2 stops29h 50mHawaiian Airlines

Tue 8/409:45ONT - BNE

2 stops52h 45mHawaiian Airlines

Deal found 30/3$2,797

Sat 5/421:40SYD - ONT

1 stop18h 10mHawaiian Airlines

Wed 9/409:45ONT - SYD

1 stop41h 00mHawaiian Airlines

Deal found 31/3$2,400

Sat 5/411:20SYD - ONT

1 stop17h 45mUnited Airlines

Sat 12/413:35ONT - SYD

2 stops48h 20mUnited Airlines

Deal found 31/3$2,428

Sun 6/410:30BNE - ONT

1 stop21h 20mUnited Airlines

Wed 30/413:35ONT - BNE

2 stops23h 55mUnited Airlines

Deal found 29/3$2,648

Sun 6/422:50BNE - ONT

1 stop36h 10mChina Airlines

Tue 29/400:10ONT - BNE

1 stop41h 25mChina Airlines

Deal found 29/3$2,654

Sun 6/418:15BNE - ONT

2 stops40h 45mMultiple Airlines

Wed 9/400:10ONT - BNE

1 stop41h 25mMultiple Airlines

Deal found 30/3$3,358

Sun 6/422:10SYD - ONT

1 stop36h 50mChina Airlines

Sat 12/400:10ONT - SYD

2 stops48h 30mChina Airlines

Deal found 30/3$3,395

Mon 7/417:30MEL - ONT

2 stops41h 30mChina Airlines

Thu 10/400:10ONT - MEL

1 stop41h 30mChina Airlines

Deal found 31/3$4,270

Mon 7/420:45SYD - ONT

2 stops38h 38mQatar Airways

Thu 10/406:00ONT - SYD

2 stops42h 10mQatar Airways

Deal found 31/3$4,540

Tue 8/410:55MEL - ONT

2 stops45h 22mUnited Airlines

Mon 21/413:20ONT - MEL

1 stop25h 55mUnited Airlines

Deal found 30/3$2,326

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 31 March 2025.

Fri 11/423:35MEL - ONT

2 stops48h 54mMultiple Airlines

Deal found 31/3$634

Thu 29/511:40BNE - ONT

2 stops28h 56mMultiple Airlines

Deal found 30/3$709

Wed 16/722:10SYD - ONT

1 stop37h 30mChina Airlines

Deal found 31/3$1,067

Thu 24/416:20SYD - ONT

1 stop22h 30mMultiple Airlines

Deal found 30/3$1,085

Wed 23/421:50MEL - ONT

1 stop37h 10mChina Airlines

Deal found 31/3$1,126

Sun 11/522:50BNE - ONT

1 stop36h 10mChina Airlines

Deal found 31/3$1,127

Thu 29/521:40SYD - ONT

1 stop17h 15mHawaiian Airlines

Deal found 30/3$1,131

Tue 27/510:55MEL - ONT

1 stop18h 19mUnited Airlines

Deal found 30/3$1,174

Wed 16/710:20SYD - ONT

2 stops27h 34mUnited Airlines

Deal found 31/3$1,183

Wed 9/721:55PER - ONT

3 stops35h 45mMultiple Airlines

Deal found 29/3$1,299

Wed 16/710:30BNE - ONT

1 stop18h 44mUnited Airlines

Deal found 31/3$1,326

Tue 12/807:15OOL - ONT

2 stops52h 25mMultiple Airlines

Deal found 30/3$1,333

Cheapflights Fare Finder

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

Fly from

Fly to

Route

Depart

Return

Price

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Wed 13/8

16:20-21:27

1 stop22h 07m

Ontario

Sat 16/8

09:00-14:40

1 stop36h 40m

$1,336

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 22/5

21:40-21:55

1 stop17h 15m

Ontario

Wed 4/6

09:50-19:45

1 stop40h 55m

$1,628

MelbourneOntario

MEL - ONT

MELONT

Melbourne

Sat 19/4

12:55-07:29

2 stops35h 34m

Ontario

Fri 25/4

18:14-12:15

2 stops49h 01m

$1,684

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 15/5

22:10-18:00

1 stop36h 50m

Ontario

Sun 7/9

00:45-10:45

1 stop41h 00m

$1,748

BrisbaneOntario

BNE - ONT

BNEONT

Brisbane

Sat 6/9

22:50-18:40

1 stop36h 50m

Ontario

Sat 11/10

00:10-10:35

1 stop41h 25m

$1,771

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 26/8

10:20-12:13

1 stop18h 53m

Ontario

Tue 9/9

18:36-06:55

1 stop19h 19m

$1,791

MelbourneOntario

MEL - ONT

MELONT

Melbourne

Fri 30/5

21:50-18:00

1 stop37h 10m

Ontario

Thu 26/6

00:10-10:40

1 stop41h 30m

$1,806

MelbourneOntario

MEL - ONT

MELONT

Melbourne

Tue 3/6

10:55-17:25

2 stops23h 30m

Ontario

Wed 18/6

18:41-08:15

1 stop20h 34m

$1,876

BrisbaneOntario

BNE - ONT

BNEONT

Brisbane

Wed 4/6

18:15-18:00

2 stops40h 45m

Ontario

Mon 23/6

00:10-10:35

1 stop41h 25m

$2,015

BrisbaneOntario

BNE - ONT

BNEONT

Brisbane

Fri 19/9

10:30-12:13

1 stop18h 43m

Ontario

Wed 8/10

18:27-06:30

1 stop19h 03m

$2,062

Flights are sorted by cheapest return flights first.

Deals found on 31/3

Showing 1-10 of 45 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 time of day to fly from AU to ONT?

When flying from Australia to Ontario, the time of day you decide to fly out makes little to no difference towards the overall price you’ll pay on tickets.

Rainfall in Ontario by month

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.

Temperature in Ontario 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 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).

Reviews of airlines servicing Ontario

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. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.

Japan Airlines

8.3

Very Good

1,440 reviews

Check prices

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

Check prices

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

723 reviews

Japan Airlines

8.3

Very Good

1,440 reviews

Check prices

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

2,342 reviews

Japan Airlines

8.3

Very Good

1,440 reviews

Check prices

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

3,541 reviews

Japan Airlines

8.3

Very Good

1,440 reviews

Check prices

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

8,614 reviews

Japan Airlines

8.3

Very Good

1,440 reviews

Check prices

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

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.
What are the cheapest airlines to fly from Australia to Ontario one-way?
$1,067 is the cheapest one-way deal found within the past few days, from China Airlines. You may also be able to find cheap deals on Hawaiian Airlines and United Airlines, with prices starting from $1,131 and $1,174, 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.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Alternative routes for Australia to Ontario

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Perth to San Jose flights

Top airline flying from Australia to Ontario

Airline	Cheapest	Average	Flexibility	On-time
United Airlines	Cheapest$1,109	Average$1,967	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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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.

Cheap flights from Australia to Ontario from $634

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 11/4. Fares are subject to change and may not be available on all flights or dates of travel.

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 31 March 2025.

Round-trip from

One-way from

Popular in

Cheapest in

Average price

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 31 March 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 31 March 2025.

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 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 31 March 2025.

Rainfall in Ontario by month

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

Temperature in Ontario by month

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

Reviews of airlines servicing Ontario

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?

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?

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 31 March 2025.