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

United Airlines, Alaska Airlines, and Qatar Airways 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 45% 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.

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.

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 November 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.

$708 Cheap Flights from Australia to Ontario in 2025/26

1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Free Wi-Fi? Stopover? Instantly customise your results.

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Not ready to book? to track prices.

Search flight deals

Find the cheapest flights from Australia to Los Angeles

Round-trip

One-way

Last minute

Recent return flight deals from Australia to Los Angeles

Enter your travel dates to find the best prices.

11:40 - 12:17BNE-ONT

18h 37m1 stop

13:40 - 07:30ONT-BNE

23h 50m2 stops

$1,205United Airlines

Find Deal

Wed, 10 Dec - Tue, 30 Dec

11:40 - 22:49BNE-ONT

29h 09m1 stop

18:39 - 07:30ONT-BNE

18h 51m1 stop

$1,206United Airlines

Find Deal

Tue, 9 Dec - Tue, 23 Dec

21:40 - 22:28SYD-ONT

19h 48m1 stop

08:13 - 19:45ONT-SYD

40h 32m1 stop

$1,561Hawaiian Airlines

Find Deal

Sat, 17 Jan - Sun, 1 Feb

21:40 - 22:28SYD-ONT

19h 48m1 stop

08:13 - 19:45ONT-SYD

40h 32m1 stop

$1,562Hawaiian Airlines

Find Deal

Sat, 17 Jan - Sun, 1 Feb

21:40 - 22:28SYD-ONT

19h 48m1 stop

08:13 - 19:45ONT-SYD

40h 32m1 stop

$1,643Alaska Airlines

Find Deal

Wed, 21 Jan - Wed, 28 Jan

21:40 - 22:28SYD-ONT

19h 48m1 stop

08:41 - 19:45ONT-SYD

40h 04m1 stop

$1,644Alaska Airlines

Find Deal

Sun, 8 Feb - Sun, 22 Feb

22:45 - 20:36PER-ONT

37h 51m2 stops

11:53 - 12:20ONT-PER

32h 27m2 stops

$3,120Qatar Airways

Find Deal

Mon, 19 Jan - Sun, 1 Feb

22:55 - 22:28PER-ONT

39h 33m2 stops

08:13 - 09:20ONT-PER

57h 07m2 stops

$3,412Multiple Airlines

Find Deal

Tue, 6 Jan - Tue, 13 Jan

22:00 - 18:45ADL-ONT

39h 15m2 stops

11:53 - 17:05ONT-ADL

34h 42m2 stops

$4,393Qatar Airways

Find Deal

Tue, 13 Jan - Wed, 4 Feb

01:15 - 16:50PER-ONT

31h 35m2 stops

22:50 - 23:55ONT-PER

33h 05m2 stops

$10,886Multiple Airlines

Find Deal

Tue, 20 Jan - Sun, 1 Feb

United Airlines flights from Australia to Ontario

Our best United Airlines deals on Australia to Ontario flight tickets

United Airlines

10 Dec

BNE11:40Brisbane

18h 37m

1 stop

ONT12:17Ontario

30 Dec

ONT13:40Ontario

23h 50m

2 stops

BNE07:30Brisbane

$1,205

Find similar

United Airlines

9 Dec

BNE11:40Brisbane

29h 09m

1 stop

ONT22:49Ontario

23 Dec

ONT18:39Ontario

18h 51m

1 stop

BNE07:30Brisbane

$1,206

Find similar

United Airlines

10 Mar

BNE10:40Brisbane

18h 38m

1 stop

ONT12:18Ontario

31 Mar

ONT13:34Ontario

47h 56m

2 stops

BNE06:30Brisbane

$1,208

Find similar

Hawaiian Airlines flights from Australia to Ontario

Our best Hawaiian Airlines deals on Australia to Ontario flight tickets

Hawaiian Airlines

17 Jan

SYD21:40Sydney Kingsford Smith

19h 48m

1 stop

ONT22:28Ontario

1 Feb

ONT08:13Ontario

40h 32m

1 stop

SYD19:45Sydney Kingsford Smith

$1,561

Find similar

Hawaiian Airlines

17 Jan

SYD21:40Sydney Kingsford Smith

19h 48m

1 stop

ONT22:28Ontario

1 Feb

ONT08:13Ontario

40h 32m

1 stop

SYD19:45Sydney Kingsford Smith

$1,562

Find similar

Hawaiian Airlines

17 Jan

SYD21:40Sydney Kingsford Smith

19h 48m

1 stop

ONT22:28Ontario

1 Feb

ONT08:13Ontario

40h 32m

1 stop

SYD19:45Sydney Kingsford Smith

$1,654

Find similar

Fly from

Fly to

Route

Depart

Return

Price

BrisbaneOntario

BNE - ONT

BNEONT

Brisbane

Wed 10/12

11:40-12:17

1 stop18h 37m

Ontario

Tue 30/12

13:40-07:30

2 stops23h 50m

$1,205

BrisbaneOntario

BNE - ONT

BNEONT

Brisbane

Tue 9/12

11:40-22:49

1 stop29h 09m

Ontario

Tue 23/12

18:39-07:30

1 stop18h 51m

$1,206

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sat 17/1

21:40-22:28

1 stop19h 48m

Ontario

Sun 1/2

08:13-19:45

1 stop40h 32m

$1,561

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sat 17/1

21:40-22:28

1 stop19h 48m

Ontario

Sun 1/2

08:13-19:45

1 stop40h 32m

$1,562

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Wed 21/1

21:40-22:28

1 stop19h 48m

Ontario

Wed 28/1

08:13-19:45

1 stop40h 32m

$1,643

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sun 8/2

21:40-22:28

1 stop19h 48m

Ontario

Sun 22/2

08:41-19:45

1 stop40h 04m

$1,644

PerthOntario

PER - ONT

PERONT

Perth

Mon 19/1

22:45-20:36

2 stops37h 51m

Ontario

Sun 1/2

11:53-12:20

2 stops32h 27m

$3,120

PerthOntario

PER - ONT

PERONT

Perth

Tue 6/1

22:55-22:28

2 stops39h 33m

Ontario

Tue 13/1

08:13-09:20

2 stops57h 07m

$3,412

AdelaideOntario

ADL - ONT

ADLONT

Adelaide

Tue 13/1

22:00-18:45

2 stops39h 15m

Ontario

Wed 4/2

11:53-17:05

2 stops34h 42m

$4,393

PerthOntario

PER - ONT

PERONT

Perth

Tue 20/1

01:15-16:50

2 stops31h 35m

Ontario

Sun 1/2

22:50-23:55

2 stops33h 05m

$10,886

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 $1,429. 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 $1,877.

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 $1,671 when looking at flights departing in the evening. Try not to purchase tickets in the morning because they tend to be around $1,700. 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

Direct flights	None

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 November 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 $1,079	Free cancellation	Rating 7.4 9,037 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.