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Cheap flights from Australia to Los Angeles from $541

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Australia to Los Angeles departing on 12/14. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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Find the cheapest flights from Australia to Los Angeles

Recent round-trip flight deals from Australia to Los Angeles

Enter your travel dates to find the best prices.
Alaska Airlines Logo
9:40 pm - 8:23 pmSYD-ONT
17h 43m1 stop
Alaska Airlines Logo
8:13 am - 7:45 pmONT-SYD
40h 32m1 stop
$688Alaska Airlines
Find Deal
Thu, Dec 4 - Wed, Feb 11
Alaska Airlines Logo
9:40 pm - 8:23 pmSYD-ONT
17h 43m1 stop
Alaska Airlines Logo
8:00 am - 7:45 pmONT-SYD
40h 45m1 stop
$738Alaska Airlines
Find Deal
Thu, Dec 4 - Wed, Dec 31
United Airlines Logo
12:10 pm - 6:00 pmSYD-ONT
23h 50m1 stop
United Airlines Logo
1:45 pm - 9:15 amONT-SYD
49h 30m2 stops
$747United Airlines
Find Deal
Thu, Mar 12 - Mon, Mar 16
Hawaiian Airlines Logo
9:40 pm - 8:23 pmSYD-ONT
17h 43m1 stop
Hawaiian Airlines Logo
8:00 am - 7:45 pmONT-SYD
40h 45m1 stop
$763Hawaiian Airlines
Find Deal
Tue, Dec 2 - Wed, Dec 31
Hawaiian Airlines Logo
9:40 pm - 10:08 pmSYD-ONT
19h 28m1 stop
Hawaiian Airlines Logo
8:00 am - 7:45 pmONT-SYD
40h 45m1 stop
$779Hawaiian Airlines
Find Deal
Wed, Dec 24 - Wed, Dec 31
United Airlines Logo
11:40 am - 12:37 pmBNE-ONT
18h 57m1 stop
United Airlines Logo
6:41 pm - 7:30 amONT-BNE
18h 49m1 stop
$785United Airlines
Find Deal
Mon, Nov 24 - Sun, Dec 7
China Airlines Logo
11:20 pm - 5:50 pmMEL-ONT
36h 30m1 stop
China Airlines Logo
11:50 pm - 12:05 pmONT-MEL
42h 15m1 stop
$1,191China Airlines
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Wed, Mar 18 - Sun, Mar 22
China Airlines Logo
10:10 pm - 5:50 pmSYD-ONT
37h 40m1 stop
China Airlines Logo
12:10 am - 10:45 amONT-SYD
41h 35m1 stop
$1,224China Airlines
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Tue, Mar 17 - Mon, Apr 13
Multiple Airlines Logo
6:50 pm - 4:50 pmMEL-ONT
41h 00m2 stops
Multiple Airlines Logo
10:50 pm - 12:05 pmONT-MEL
42h 15m1 stop
$1,381Multiple Airlines
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Mon, Nov 17 - Sun, Dec 7
Multiple Airlines Logo
8:20 am - 6:00 pmOOL-ONT
50h 40m2 stops
Multiple Airlines Logo
12:45 am - 8:50 pmONT-OOL
51h 05m2 stops
$1,420Multiple Airlines
Find Deal
Mon, Apr 27 - Sun, Jul 26

Alaska Airlines flights from Australia to Ontario

Our best Alaska Airlines deals on Australia to Ontario flight tickets
Alaska Airlines
Nov 4
SYD9:40 pmSydney Kingsford Smith
38h 34m
1 stop
ONT5:14 pmOntario
Nov 11
ONT9:47 amOntario
38h 58m
1 stop
SYD7:45 pmSydney Kingsford Smith
$688
Find similar
Alaska Airlines
Dec 4
SYD9:40 pmSydney Kingsford Smith
17h 43m
1 stop
ONT8:23 pmOntario
Dec 31
ONT8:00 amOntario
40h 45m
1 stop
SYD7:45 pmSydney Kingsford Smith
$738
Find similar
Alaska Airlines
Feb 1
SYD9:40 pmSydney Kingsford Smith
19h 48m
1 stop
ONT10:28 pmOntario
Feb 6
ONT8:13 amOntario
40h 32m
1 stop
SYD7:45 pmSydney Kingsford Smith
$787
Find similar

United Airlines flights from Australia to Ontario

Our best United Airlines deals on Australia to Ontario flight tickets
United Airlines
Nov 10
SYD12:10 pmSydney Kingsford Smith
19h 27m
1 stop
ONT12:37 pmOntario
Nov 23
ONT6:38 pmOntario
19h 37m
1 stop
SYD9:15 amSydney Kingsford Smith
$743
Find similar
United Airlines
Nov 10
SYD12:10 pmSydney Kingsford Smith
19h 27m
1 stop
ONT12:37 pmOntario
Nov 23
ONT6:38 pmOntario
19h 37m
1 stop
SYD9:15 amSydney Kingsford Smith
$746
Find similar
United Airlines
Nov 4
SYD12:10 pmSydney Kingsford Smith
27h 34m
2 stops
ONT8:44 pmOntario
Nov 11
ONT6:38 pmOntario
19h 37m
1 stop
SYD9:15 amSydney Kingsford Smith
$747
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Australia to Ontario that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, momondo users made 832,500 searches. Data last updated November 3, 2025.
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

Thu 12/4

9:40 pm-8:23 pm

1 stop17h 43m

Ontario

Wed 2/11

8:13 am-7:45 pm

1 stop40h 32m

$688

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 12/4

9:40 pm-8:23 pm

1 stop17h 43m

Ontario

Wed 12/31

8:00 am-7:45 pm

1 stop40h 45m

$738

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 3/12

12:10 pm-6:00 pm

1 stop23h 50m

Ontario

Mon 3/16

1:45 pm-9:15 am

2 stops49h 30m

$747

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 12/2

9:40 pm-8:23 pm

1 stop17h 43m

Ontario

Wed 12/31

8:00 am-7:45 pm

1 stop40h 45m

$763

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Wed 12/24

9:40 pm-10:08 pm

1 stop19h 28m

Ontario

Wed 12/31

8:00 am-7:45 pm

1 stop40h 45m

$779

BrisbaneOntario

BNE - ONT

BNEONT

Brisbane

Mon 11/24

11:40 am-12:37 pm

1 stop18h 57m

Ontario

Sun 12/7

6:41 pm-7:30 am

1 stop18h 49m

$785

MelbourneOntario

MEL - ONT

MELONT

Melbourne

Wed 3/18

11:20 pm-5:50 pm

1 stop36h 30m

Ontario

Sun 3/22

11:50 pm-12:05 pm

1 stop42h 15m

$1,191

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 3/17

10:10 pm-5:50 pm

1 stop37h 40m

Ontario

Mon 4/13

12:10 am-10:45 am

1 stop41h 35m

$1,224

MelbourneOntario

MEL - ONT

MELONT

Melbourne

Mon 11/17

6:50 pm-4:50 pm

2 stops41h 00m

Ontario

Sun 12/7

10:50 pm-12:05 pm

1 stop42h 15m

$1,381

CoolangattaOntario

OOL - ONT

OOLONT

Coolangatta Gold Coast

Mon 4/27

8:20 am-6:00 pm

2 stops50h 40m

Ontario

Sun 7/26

12:45 am-8:50 pm

2 stops51h 05m

$1,420

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Los Angeles from

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

Can stopping save me money on Australia to Ontario flights?

You could potentially save up to 38% on your flight if you consider stops on a Australia to Ontario flight.

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

    Prices for flights from Australia to Ontario Airport are updated daily.

  • 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 layovers. 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 travel and health documents you'll need for your trip to Ontario Airport 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 license and a passport that is valid for six months after your intended arrival at Ontario Airport. 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 Australia to Ontario?

It is quick and easy to find Australia to Ontario 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 Ontario that suits you.

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

Yes. momondo allows you to filter the results for Australia to Ontario flights to just show those with flexible booking policies.

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

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 Australia to Ontario.

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

If you are simply researching potential flights to Ontario, momondo offers a useful price alert feature which will track prices for flights to Ontario from Australia and alert you when they change.

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