How long does it take to fly to Ontario?

Flight times from Australia to Ontario vary, but if you’re flying out of Brisbane and flying into Los Angeles (one of the most popular routes), then the duration is 12h 50m on average. Another popular route from Australia to Ontario is flying from Sydney to Los Angeles, which will take roughly 13h 40m. Keep in mind that layovers or delays could extend your travel time.

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

United Airlines, Hawaiian Airlines, and Alaska Airlines are the most popular carriers operating from Australia to Ontario

Which airlines fly to Ontario?

Qantas Airways, Fiji Airways and United Airlines are the top three most popular airlines that fly to Ontario from Australia according to our data. Qantas Airways is the first choice among our users, with 46% of people opting to fly with this airline when travelling to Ontario. Keep in mind that there are 21 different airlines that fly to Ontario on a routine basis, so you have a few additional options to choose from.

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

Prices for flights from Australia to Ontario Airport refresh daily.

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

The number of operators available for flights from Australia to Ontario Airport is 1 as of December 2025.

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

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 Australia to Ontario Airport.

What documentation or ID do you need to fly to Ontario Airport?

The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

$622 Cheap Flights from Australia to Ontario in 2025/26

1 adult

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Find the cheapest flights from Australia to Los Angeles

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Recent return flight deals from Australia to Los Angeles

Enter your travel dates to find the best prices.

21:40 - 22:28SYD-ONT

19h 48m1 stop

08:13 - 19:45ONT-SYD

40h 32m1 stop

$1,017Alaska Airlines

Find Deal

Tue, 27 Jan - Tue, 3 Feb

21:40 - 22:28SYD-ONT

19h 48m1 stop

08:13 - 19:45ONT-SYD

40h 32m1 stop

$1,053Alaska Airlines

Find Deal

Tue, 20 Jan - Thu, 29 Jan

21:40 - 22:28SYD-ONT

19h 48m1 stop

08:13 - 19:45ONT-SYD

40h 32m1 stop

$1,090Alaska Airlines

Find Deal

Thu, 22 Jan - Fri, 30 Jan

21:40 - 22:28SYD-ONT

19h 48m1 stop

08:13 - 19:45ONT-SYD

40h 32m1 stop

$1,128Alaska Airlines

Find Deal

Fri, 23 Jan - Thu, 29 Jan

11:50 - 21:59SYD-ONT

29h 09m1 stop

18:32 - 06:20ONT-SYD

40h 48m1 stop

$1,134United Airlines

Find Deal

Tue, 20 Jan - Sat, 24 Jan

12:10 - 11:18SYD-ONT

18h 08m1 stop

13:53 - 06:20ONT-SYD

21h 27m1 stop

$1,137United Airlines

Find Deal

Mon, 26 Jan - Mon, 9 Feb

06:00 - 22:28MEL-ONT

35h 28m2 stops

08:41 - 07:35ONT-MEL

51h 54m2 stops

$1,260Multiple Airlines

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Sat, 24 Jan - Fri, 20 Feb

21:55 - 17:05PER-ONT

34h 10m3 stops

00:10 - 00:30ONT-PER

33h 20m3 stops

$2,089Multiple Airlines

Find Deal

Fri, 1 May - Thu, 7 May

22:45 - 20:36PER-ONT

37h 51m2 stops

11:53 - 11:55ONT-PER

32h 02m2 stops

$2,674Qatar Airways

Find Deal

Mon, 19 Jan - Mon, 2 Feb

22:45 - 20:36PER-ONT

37h 51m2 stops

11:53 - 12:20ONT-PER

32h 27m2 stops

$2,681Qatar Airways

Find Deal

Mon, 26 Jan - Sun, 8 Feb

United Airlines flights from Australia to Ontario

Our best United Airlines deals on Australia to Ontario flight tickets

United Airlines

20 Jan

SYD11:50Sydney Kingsford Smith

29h 09m

1 stop

ONT21:59Ontario

24 Jan

ONT18:32Ontario

40h 48m

1 stop

SYD06:20Sydney Kingsford Smith

$1,134

Find similar

United Airlines

4 Dec

SYD12:10Sydney Kingsford Smith

19h 08m

1 stop

ONT12:18Ontario

10 Dec

ONT18:41Ontario

19h 34m

1 stop

SYD09:15Sydney Kingsford Smith

$1,135

Find similar

United Airlines

26 Jan

SYD12:10Sydney Kingsford Smith

18h 08m

1 stop

ONT11:18Ontario

9 Feb

ONT13:53Ontario

21h 27m

1 stop

SYD06:20Sydney Kingsford Smith

$1,137

Find similar

China Airlines flights from Australia to Ontario

Our best China Airlines deals on Australia to Ontario flight tickets

China Airlines

15 May

SYD22:10Sydney Kingsford Smith

36h 50m

1 stop

ONT18:00Ontario

18 May

ONT00:10Ontario

41h 35m

1 stop

SYD10:45Sydney Kingsford Smith

$1,733

Find similar

China Airlines

15 May

BNE22:50Brisbane

36h 10m

1 stop

ONT18:00Ontario

18 May

ONT00:10Ontario

41h 25m

1 stop

BNE10:35Brisbane

$1,787

Find similar

China Airlines

10 Feb

SYD22:10Sydney Kingsford Smith

37h 40m

1 stop

ONT16:50Ontario

8 Mar

ONT23:50Ontario

42h 25m

1 stop

SYD12:15Sydney Kingsford Smith

$1,802

Find similar

Fly from

Fly to

Route

Depart

Return

Price

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 27/1

21:40-22:28

1 stop19h 48m

Ontario

Tue 3/2

08:13-19:45

1 stop40h 32m

$1,017

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 20/1

21:40-22:28

1 stop19h 48m

Ontario

Thu 29/1

08:13-19:45

1 stop40h 32m

$1,053

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 22/1

21:40-22:28

1 stop19h 48m

Ontario

Fri 30/1

08:13-19:45

1 stop40h 32m

$1,090

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Fri 23/1

21:40-22:28

1 stop19h 48m

Ontario

Thu 29/1

08:13-19:45

1 stop40h 32m

$1,128

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 20/1

11:50-21:59

1 stop29h 09m

Ontario

Sat 24/1

18:32-06:20

1 stop40h 48m

$1,134

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Mon 26/1

12:10-11:18

1 stop18h 08m

Ontario

Mon 9/2

13:53-06:20

1 stop21h 27m

$1,137

MelbourneOntario

MEL - ONT

MELONT

Melbourne

Sat 24/1

06:00-22:28

2 stops35h 28m

Ontario

Fri 20/2

08:41-07:35

2 stops51h 54m

$1,260

PerthOntario

PER - ONT

PERONT

Perth

Fri 1/5

21:55-17:05

3 stops34h 10m

Ontario

Thu 7/5

00:10-00:30

3 stops33h 20m

$2,089

PerthOntario

PER - ONT

PERONT

Perth

Mon 19/1

22:45-20:36

2 stops37h 51m

Ontario

Mon 2/2

11:53-11:55

2 stops32h 02m

$2,674

PerthOntario

PER - ONT

PERONT

Perth

Mon 26/1

22:45-20:36

2 stops37h 51m

Ontario

Sun 8/2

11:53-12:20

2 stops32h 27m

$2,681

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 Australia to Ontario

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

Other information

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

According to our data, Monday is the cheapest day to fly to Ontario from Australia. The lowest ticket price found for a Monday departure recently was $1,401. Keep in mind that prices can always vary depending on your route and whether or not you are flying domestic or international. On the other hand, Wednesday is the most expensive day to depart from Australia because it is more convenient for both business and leisure travellers. As a result, prices tend to be around $1,840.

What is the cheapest time of day to depart on your flight to Ontario?

Flying to Ontario from Australia in the evening is the least expensive time of day to depart. momondo users have found prices as low as $1,639 when looking at flights departing in the evening. Try not to purchase tickets in the morning because they tend to be around $1,667. Of course, these prices can vary depending on the time of year and what airport you fly to.

Cheap Australia to Ontario flight deals and tips

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

Fastest flight time	17h 18m
Direct flights	None

The fastest flight from Australia to Ontario takes 17h 18m

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

Search flight deals

When did momondo last update prices for flights from Australia to Ontario Airport?
Prices for flights from Australia to Ontario Airport refresh daily.
How many operators does momondo search for flights from Australia to Ontario Airport?
The number of operators available for flights from Australia to Ontario Airport is 1 as of December 2025.
How old do you have to be to fly from Australia to Ontario Airport?
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 Australia to Ontario Airport.
What documentation or ID do you need to fly to Ontario Airport?
The necessary travel and health documents for your Ontario Airport trip may vary depending on your travel plans and individual circumstances. Generally, you should have various documents, such as a national ID card or driver's licence and a passport that is valid for six months beyond your scheduled arrival date. We recommend seeking advice from your airline or a trusted third party, such as IATA.

Best airlines flying from Australia to Ontario

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

Airline	Rating	Free cancellation	Price
United Airlines	PriceFrom $1,058	Free cancellation	Rating 7.4 9,063 reviews		Search United Airlines flights

Why use momondo?

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

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Australia to Ontario . Millions of users trust and use momondo every year so you are in good hands.

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

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

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

Once you have performed a search for Australia to Ontario flights, momondo helps you find the right one by offering useful filters to narrow down your flight selection. Flights can be filtered by multiple factors such as airline, airport and price; but also by other criteria like aircraft type and payment method.

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

Yes. momondo can track prices for Australia to Ontario flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.