Which 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 48% of people opting to fly with this airline when travelling to Australia. Keep in mind that there are 8 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 and Air New Zealand are the most popular carriers 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 refresh daily.

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 stopovers. 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 travel and health documents you'll need for your trip to Australia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Australia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

$721 Cheap Flights from Ontario to Australia in 2026

Find the cheapest flights from Ontario to Australia

Return

One-way

Last minute

Cheap return flights

Enter your travel dates to find the best prices.

07:00 - 18:50

ONT

SYD

17h 50m

1 stop

21:40 - 21:32

SYD

ONT

18h 52m

1 stop

$1,397Multiple Airlines

Mon, 19 Oct - Sun, 1 Nov

09:31 - 18:50

ONT

SYD

40h 19m

1 stop

20:45 - 22:10

SYD

ONT

18h 25m

1 stop

$1,450Multiple Airlines

Tue, 25 Aug - Sun, 30 Aug

09:31 - 18:50

ONT

SYD

40h 19m

1 stop

20:45 - 21:22

SYD

ONT

18h 37m

1 stop

$1,453Multiple Airlines

Tue, 29 Sep - Tue, 13 Oct

09:11 - 18:50

ONT

SYD

40h 39m

1 stop

20:45 - 22:10

SYD

ONT

18h 25m

1 stop

$1,460Multiple Airlines

Thu, 30 Jul - Sun, 23 Aug

13:06 - 07:50

ONT

MEL

25h 44m

2 stops

10:00 - 22:04

MEL

ONT

29h 04m

2 stops

$1,534Delta

Wed, 19 Aug - Wed, 9 Sep

17:05 - 07:50

ONT

MEL

45h 45m

2 stops

10:00 - 22:04

MEL

ONT

29h 04m

2 stops

$1,553Delta

Tue, 25 Aug - Wed, 9 Sep

06:00 - 07:50

ONT

MEL

32h 50m

2 stops

10:00 - 23:34

MEL

ONT

30h 34m

2 stops

$1,563Delta

Fri, 7 Aug - Sun, 16 Aug

18:39 - 08:15

ONT

MEL

20h 36m

1 stop

10:55 - 12:12

MEL

ONT

18h 17m

1 stop

$1,576United Airlines

Mon, 10 Aug - Wed, 26 Aug

18:39 - 06:30

ONT

BNE

18h 51m

1 stop

10:30 - 12:12

BNE

ONT

18h 42m

1 stop

$1,578United Airlines

Fri, 7 Aug - Fri, 21 Aug

18:39 - 08:15

ONT

MEL

20h 36m

1 stop

10:55 - 12:12

MEL

ONT

18h 17m

1 stop

$1,579United Airlines

Mon, 10 Aug - Mon, 24 Aug

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United Airlines flights from Ontario to Australia

Our best United Airlines deals on Ontario to Australia flight tickets

United Airlines

6 July

ONT18:39Ontario

19h 16m

1 stop

SYD06:55Sydney Kingsford Smith

20 July

SYD10:20Sydney Kingsford Smith

18h 52m

1 stop

ONT12:12Ontario

$1,569

United Airlines

6 July

ONT18:39Ontario

19h 16m

1 stop

SYD06:55Sydney Kingsford Smith

20 July

SYD10:20Sydney Kingsford Smith

18h 52m

1 stop

ONT12:12Ontario

$1,572

United Airlines

6 July

ONT18:39Ontario

19h 16m

1 stop

SYD06:55Sydney Kingsford Smith

20 July

SYD10:20Sydney Kingsford Smith

18h 52m

1 stop

ONT12:12Ontario

$1,575

Air New Zealand flights from Ontario to Australia

Our best Air New Zealand deals on Ontario to Australia flight tickets

Air New Zealand

17 Aug

ONT13:18Ontario

24h 37m

2 stops

SYD06:55Sydney Kingsford Smith

6 Sept

SYD10:20Sydney Kingsford Smith

18h 52m

1 stop

ONT12:12Ontario

$1,546

Air New Zealand

6 July

ONT18:39Ontario

19h 16m

1 stop

SYD06:55Sydney Kingsford Smith

20 July

SYD10:20Sydney Kingsford Smith

24h 34m

1 stop

ONT17:54Ontario

$1,556

Air New Zealand

5 July

ONT06:00Ontario

31h 55m

1 stop

SYD06:55Sydney Kingsford Smith

12 July

SYD10:20Sydney Kingsford Smith

24h 34m

1 stop

ONT17:54Ontario

$1,564

Fly from

Fly to

Route

Depart

Return

Price

Cheapest return flight

Fastest return journey

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Mon 19/10

07:00-18:50

1 stop17h 50m

Sydney Kingsford Smith

Sun 1/11

21:40-21:32

1 stop18h 52m

$1,397

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Tue 25/8

09:31-18:50

1 stop40h 19m

Sydney Kingsford Smith

Sun 30/8

20:45-22:10

1 stop18h 25m

$1,450

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Tue 29/9

09:31-18:50

1 stop40h 19m

Sydney Kingsford Smith

Tue 13/10

20:45-21:22

1 stop18h 37m

$1,453

OntarioSydney

ONT - SYD

ONTSYD

Ontario

Thu 30/7

09:11-18:50

1 stop40h 39m

Sydney Kingsford Smith

Sun 23/8

20:45-22:10

1 stop18h 25m

$1,460

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Wed 19/8

13:06-07:50

2 stops25h 44m

Melbourne

Wed 9/9

10:00-22:04

2 stops29h 04m

$1,534

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Tue 25/8

17:05-07:50

2 stops45h 45m

Melbourne

Wed 9/9

10:00-22:04

2 stops29h 04m

$1,553

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Fri 7/8

06:00-07:50

2 stops32h 50m

Melbourne

Sun 16/8

10:00-23:34

2 stops30h 34m

$1,563

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Mon 10/8

18:39-08:15

1 stop20h 36m

Melbourne

Wed 26/8

10:55-12:12

1 stop18h 17m

$1,576

OntarioBrisbane

ONT - BNE

ONTBNE

Ontario

Fri 7/8

18:39-06:30

1 stop18h 51m

Brisbane

Fri 21/8

10:30-12:12

1 stop18h 42m

$1,578

OntarioMelbourne

ONT - MEL

ONTMEL

Ontario

Mon 10/8

18:39-08:15

1 stop20h 36m

Melbourne

Mon 24/8

10:55-12:12

1 stop18h 17m

$1,579

Flights are sorted by cheapest return 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

Can stopping save me money on Ontario to Australia flights?

You could potentially save up to 29% 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	17h 50m
Direct flights	None

The fastest flight from Ontario to Australia takes 17h 50m

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

Search flight deals

Frequently asked questions about flying 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 refresh daily.
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 stopovers. 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 travel and health documents you'll need for your trip to Australia may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's licence and a passport that is valid for six months after your intended arrival at Australia. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

Why use momondo?

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

Finding the right flight to Australia from Ontario is quick and easy when you have a range of options in front of you, from reputable agents and recognisable airlines. Options that can then be filtered down to find the best fit. That is what momondo does. We make finding flights to Australia quick and easy, saving you time and money.

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

Yes. All flights to Australia from Ontario on momondo can be compared and filtered by various policies on offer, including flexible booking.

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.