What airlines fly to Australia?

Qantas Airways, Fiji Airways and United Airlines are the top three most popular airlines that fly to Australia from Ontario according to our data. Qantas Airways is the first choice among our users, with 43% of people opting to fly with this airline when traveling to Australia. Keep in mind that there are 15 different airlines that fly to Australia on a routine basis, so you have a few additional options to choose from.

What is the cheapest airline that flies from Ontario to Australia?

United Airlines is the most popular carrier operating from Ontario to Australia

When did momondo last update prices for flights from Ontario Airport to Australia?

Prices for flights from Ontario Airport to Australia are refreshed on a daily basis.

How many operators does momondo search for flights from Ontario Airport to Australia?

As of December 2025, there is 1 operator available to choose from for flights from Ontario Airport to Australia.

How old do you have to be to fly from Ontario Airport to Australia?

The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Australia.

What documentation or ID do you need to fly to Australia?

The required travel and health documents for your Australia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Australia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

$465 Cheap Flights from Ontario to Australia in 2025/26

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Find the cheapest flights from Ontario to Australia

Round-trip

One-way

Last minute

Cheap round-trip flights

Enter your travel dates to find the best prices.

1:11 pm - 8:20 am

ONT

BNE

49h 09m2 stops

10:40 am - 9:44 pm

BNE

ONT

29h 04m2 stops

$935Delta

Sun, Feb 8 - Sun, Feb 15

7:16 am - 6:30 am

ONT

BNE

29h 14m1 stop

7:40 pm - 11:58 pm

BNE

ONT

22h 18m2 stops

$938American Airlines

Sun, Feb 8 - Sun, Feb 15

6:37 pm - 7:30 am

ONT

BNE

18h 53m1 stop

11:40 am - 12:38 pm

BNE

ONT

18h 58m1 stop

$961United Airlines

Sun, Feb 15 - Sun, Mar 1

1:53 pm - 6:20 am

ONT

SYD

21h 27m1 stop

12:10 pm - 12:38 pm

SYD

ONT

19h 28m1 stop

$965United Airlines

Sun, Feb 1 - Mon, Feb 16

6:37 pm - 7:30 am

ONT

BNE

18h 53m1 stop

11:40 am - 12:38 pm

BNE

ONT

18h 58m1 stop

$967United Airlines

Thu, Feb 12 - Fri, Feb 27

6:53 pm - 6:55 am

ONT

SYD

19h 02m1 stop

10:20 am - 12:20 pm

SYD

ONT

19h 00m1 stop

$968United Airlines

Wed, Jun 10 - Tue, Aug 11

1:53 pm - 7:30 am

ONT

BNE

23h 37m1 stop

11:40 am - 5:43 pm

BNE

ONT

24h 03m1 stop

$969United Airlines

Mon, Feb 2 - Tue, Feb 10

6:37 pm - 7:30 am

ONT

BNE

18h 53m1 stop

11:40 am - 12:38 pm

BNE

ONT

18h 58m1 stop

$970United Airlines

Thu, Feb 12 - Fri, Feb 27

9:30 am - 4:25 pm

ONT

ADL

62h 25m2 stops

12:40 pm - 10:07 pm

ADL

ONT

25h 57m2 stops

$1,204Multiple Airlines

Thu, May 14 - Thu, Jun 4

8:13 am - 7:35 am

ONT

MEL

52h 22m2 stops

7:45 am - 10:28 pm

MEL

ONT

33h 43m2 stops

$1,272Multiple Airlines

Sat, Jan 17 - Fri, Jan 23

United Airlines flights from Ontario to Australia

Our best United Airlines deals on Ontario to Australia flight tickets

United Airlines

Feb 15

ONT6:37 pmOntario

18h 53m

1 stop

BNE7:30 amBrisbane

Mar 1

BNE11:40 amBrisbane

18h 58m

1 stop

ONT12:38 pmOntario

$961

Find similar

United Airlines

Dec 29

ONT6:39 pmOntario

18h 51m

1 stop

BNE7:30 amBrisbane

Jan 14

BNE11:40 amBrisbane

17h 38m

1 stop

ONT11:18 amOntario

$962

Find similar

United Airlines

Dec 28

ONT6:39 pmOntario

19h 36m

1 stop

SYD9:15 amSydney Kingsford Smith

Jan 13

SYD12:10 pmSydney Kingsford Smith

18h 08m

1 stop

ONT11:18 amOntario

$964

Find similar

Lufthansa flights from Ontario to Australia

Our best Lufthansa deals on Ontario to Australia flight tickets

Lufthansa

Dec 28

ONT6:39 pmOntario

19h 36m

1 stop

SYD9:15 amSydney Kingsford Smith

Jan 13

SYD12:10 pmSydney Kingsford Smith

18h 08m

1 stop

ONT11:18 amOntario

$1,001

Find similar

Lufthansa

Dec 28

ONT6:39 pmOntario

19h 36m

1 stop

SYD9:15 amSydney Kingsford Smith

Jan 12

SYD12:10 pmSydney Kingsford Smith

18h 08m

1 stop

ONT11:18 amOntario

$1,007

Find similar

Lufthansa

Jan 1

ONT10:42 amOntario

28h 18m

1 stop

MEL10:00 amMelbourne

Jan 15

MEL1:00 pmMelbourne

23h 43m

1 stop

ONT5:43 pmOntario

$1,367

Find similar

Fly from

Fly to

Route

Depart

Return

Price

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Sun 2/8

1:11 pm-8:20 am

2 stops49h 09m

Brisbane

Sun 2/15

10:40 am-9:44 pm

2 stops29h 04m

$935

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Sun 2/8

7:16 am-6:30 am

1 stop29h 14m

Brisbane

Sun 2/15

7:40 pm-11:58 pm

2 stops22h 18m

$938

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Sun 2/15

6:37 pm-7:30 am

1 stop18h 53m

Brisbane

Sun 3/1

11:40 am-12:38 pm

1 stop18h 58m

$961

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Sun 2/1

1:53 pm-6:20 am

1 stop21h 27m

Sydney Kingsford Smith

Mon 2/16

12:10 pm-12:38 pm

1 stop19h 28m

$965

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Thu 2/12

6:37 pm-7:30 am

1 stop18h 53m

Brisbane

Fri 2/27

11:40 am-12:38 pm

1 stop18h 58m

$967

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Wed 6/10

6:53 pm-6:55 am

1 stop19h 02m

Sydney Kingsford Smith

Tue 8/11

10:20 am-12:20 pm

1 stop19h 00m

$968

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Mon 2/2

1:53 pm-7:30 am

1 stop23h 37m

Brisbane

Tue 2/10

11:40 am-5:43 pm

1 stop24h 03m

$969

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Thu 2/12

6:37 pm-7:30 am

1 stop18h 53m

Brisbane

Fri 2/27

11:40 am-12:38 pm

1 stop18h 58m

$970

OntarioAdelaide

ONT - ADL

ONTADL

Ontario

Thu 5/14

9:30 am-4:25 pm

2 stops62h 25m

Adelaide

Thu 6/4

12:40 pm-10:07 pm

2 stops25h 57m

$1,204

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Sat 1/17

8:13 am-7:35 am

2 stops52h 22m

Melbourne

Fri 1/23

7:45 am-10:28 pm

2 stops33h 43m

$1,272

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first

How to get the cheapest flight ticket from Ontario to Australia

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

Prices

Airlines

What is the cheapest day to depart on your flight to Australia?

The cheapest day to depart from Ontario to Australia is on a Saturday. Travelers who choose to depart for Australia on a Saturday will often find tickets for as low as $878. On the other hand, Wednesday is the most expensive day to depart from Ontario because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $1,172.

Can stopping save me money on Ontario to Australia flights?

You could potentially save up to 16% on your flight if you consider stops on a Ontario to Australia flight.

Cheap Ontario to Australia flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Ontario to Australia

Fastest flight time	18h 37m
Direct flights	None

The fastest flight from Ontario to Australia takes 18h 37m

There are no direct flights from Ontario to Australia. There are no popular flight routes from Ontario to Australia.

Search flight deals

When did momondo last update prices for flights from Ontario Airport to Australia?
Prices for flights from Ontario Airport to Australia are refreshed on a daily basis.
How many operators does momondo search for flights from Ontario Airport to Australia?
As of December 2025, there is 1 operator available to choose from for flights from Ontario Airport to Australia.
How old do you have to be to fly from Ontario Airport to Australia?
The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Ontario Airport to Australia.
What documentation or ID do you need to fly to Australia?
The required travel and health documents for your Australia trip may vary depending on your itinerary and personal circumstances. As a general rule, you should carry multiple documents, including a national ID card or driver's license and a passport valid for six months after your intended arrival at Australia. We recommend that you seek guidance from your airline or a reliable third party such as IATA.

Best airlines flying from Ontario to Australia

Compare and see reviews for airlines that fly from Ontario to Australia with momondo

Airline	Rating	Free Cancellation	Price
United Airlines	PriceFrom $926	Free Cancellation	Rating 7.4 9,116 reviews		Search United Airlines flights

Why use momondo?

Why should I use momondo to find a flight deal from Ontario to Australia?

It is quick and easy to find Ontario to Australia flights on momondo. We search and return numerous flight options from various airlines and agents. You can then use our filters to narrow your search until you have found the most convenient flight to Australia that suits you.

Can I find flights from Ontario to Australia with flexible booking policies on momondo?

All flight searches from Ontario to Australia on momondo can be filtered to show those which offer flexible booking policies.

How can momondo help me find flights from Ontario to Australia?

momondo offers useful filters to help you find the right flight. Choose specific flight times, airports or even what payment method you prefer. We have numerous options to help you book your ideal flight from Ontario to Australia.

I’m not ready to book a flight from Ontario to Australia right now. Can momondo alert me if prices change?

Of course. momondo tracks the price of Ontario to Australia flights. All you need is a valid email address and we will do the rest; it is that quick and easy.