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Cheap flights from Sydney to Los Angeles from $934

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Sydney to Los Angeles departing on 20/1. 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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Cheap return flights

Enter your travel dates to find the best prices.
United Airlines Logo
12:10 - 11:18SYD-ONT
18h 08m1 stop
United Airlines Logo
18:39 - 09:15ONT-SYD
19h 36m1 stop
$1,293United Airlines
Find Deal
Mon, 19 Jan - Sun, 1 Feb
United Airlines Logo
12:10 - 11:18SYD-ONT
18h 08m1 stop
United Airlines Logo
18:39 - 09:15ONT-SYD
19h 36m1 stop
$1,296United Airlines
Find Deal
Mon, 19 Jan - Sun, 1 Feb
Hawaiian Airlines Logo
21:40 - 22:28SYD-ONT
19h 48m1 stop
Hawaiian Airlines Logo
08:13 - 19:45ONT-SYD
40h 32m1 stop
$1,562Hawaiian Airlines
Find Deal
Sat, 17 Jan - Sun, 1 Feb
Alaska Airlines Logo
20:45 - 21:15SYD-ONT
17h 30m1 stop
Alaska Airlines Logo
08:00 - 18:50ONT-SYD
17h 50m1 stop
$1,619Alaska Airlines
Find Deal
Sat, 9 May - Sat, 30 May
Alaska Airlines Logo
20:45 - 21:55SYD-ONT
18h 10m1 stop
Alaska Airlines Logo
08:00 - 18:50ONT-SYD
17h 50m1 stop
$1,636Alaska Airlines
Find Deal
Tue, 14 Apr - Wed, 13 May
Alaska Airlines Logo
21:40 - 22:28SYD-ONT
19h 48m1 stop
Alaska Airlines Logo
08:13 - 19:45ONT-SYD
40h 32m1 stop
$1,640Alaska Airlines
Find Deal
Tue, 20 Jan - Thu, 29 Jan
Hawaiian Airlines Logo
21:40 - 22:28SYD-ONT
19h 48m1 stop
Hawaiian Airlines Logo
08:41 - 19:45ONT-SYD
40h 04m1 stop
$1,644Hawaiian Airlines
Find Deal
Sat, 31 Jan - Tue, 17 Feb
United Airlines Logo
12:10 - 22:57SYD-ONT
29h 47m1 stop
United Airlines Logo
18:37 - 09:15ONT-SYD
20h 38m1 stop
$1,663United Airlines
Find Deal
Thu, 26 Feb - Mon, 16 Mar
United Airlines Logo
12:10 - 11:18SYD-ONT
18h 08m1 stop
United Airlines Logo
13:53 - 06:20ONT-SYD
21h 27m1 stop
$1,664United Airlines
Find Deal
Mon, 19 Jan - Mon, 2 Feb
United Airlines Logo
12:10 - 11:18SYD-ONT
18h 08m1 stop
United Airlines Logo
13:53 - 06:20ONT-SYD
21h 27m1 stop
$1,666United Airlines
Find Deal
Mon, 19 Jan - Mon, 2 Feb

Hawaiian Airlines flights from Sydney to Ontario

Our best Hawaiian Airlines deals on Sydney 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
$1,562
Find similar
Hawaiian Airlines
31 Jan
SYD21:40Sydney Kingsford Smith
19h 48m
1 stop
ONT22:28Ontario
17 Feb
ONT08:41Ontario
40h 04m
1 stop
SYD19:45Sydney Kingsford Smith
$1,644
Find similar
Hawaiian Airlines
19 Jan
SYD21:40Sydney Kingsford Smith
19h 48m
1 stop
ONT22:28Ontario
1 Feb
ONT08:13Ontario
40h 32m
1 stop
SYD19:45Sydney Kingsford Smith
$1,683
Find similar

Alaska Airlines flights from Sydney to Ontario

Our best Alaska Airlines deals on Sydney to Ontario flight tickets
Alaska Airlines
9 May
SYD20:45Sydney Kingsford Smith
17h 30m
1 stop
ONT21:15Ontario
30 May
ONT08:00Ontario
17h 50m
1 stop
SYD18:50Sydney Kingsford Smith
$1,619
Find similar
Alaska Airlines
14 Apr
SYD20:45Sydney Kingsford Smith
18h 10m
1 stop
ONT21:55Ontario
14 May
ONT08:00Ontario
17h 50m
1 stop
SYD18:50Sydney Kingsford Smith
$1,636
Find similar
Alaska Airlines
20 Jan
SYD21:40Sydney Kingsford Smith
19h 48m
1 stop
ONT22:28Ontario
29 Jan
ONT08:13Ontario
40h 32m
1 stop
SYD19:45Sydney Kingsford Smith
$1,640
Find similar

momondo Fare Finder

 
Customise your flight search to find flights from Sydney 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 78,305 searches. Data last updated 25 November 2025.
Use the filters below to find and compare flights from Sydney to Ontario that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Mon 19/1

12:10-11:18

1 stop18h 08m

Ontario

Sun 1/2

18:39-09:15

1 stop19h 36m

$1,293

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Mon 19/1

12:10-11:18

1 stop18h 08m

Ontario

Sun 1/2

18:39-09:15

1 stop19h 36m

$1,296

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

Sat 9/5

20:45-21:15

1 stop17h 30m

Ontario

Sat 30/5

08:00-18:50

1 stop17h 50m

$1,619

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 14/4

20:45-21:55

1 stop18h 10m

Ontario

Wed 13/5

08:00-18:50

1 stop17h 50m

$1,636

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

$1,640

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sat 31/1

21:40-22:28

1 stop19h 48m

Ontario

Tue 17/2

08:41-19:45

1 stop40h 04m

$1,644

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 26/2

12:10-22:57

1 stop29h 47m

Ontario

Mon 16/3

18:37-09:15

1 stop20h 38m

$1,663

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Mon 19/1

12:10-11:18

1 stop18h 08m

Ontario

Mon 2/2

13:53-06:20

1 stop21h 27m

$1,664

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Mon 19/1

12:10-11:18

1 stop18h 08m

Ontario

Mon 2/2

13:53-06:20

1 stop21h 27m

$1,666

Flights are sorted by cheapest return 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 Sydney 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

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 Sydney. 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 Sydney 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 Sydney 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.

When to book flights from Sydney to Ontario

Are you open to changing your travel dates? Check out the ideal times to fly from Sydney to Ontario according to our flight data. Find out which month and days have the cheapest flights.
Estimated return price

Cheap Sydney to Ontario (SYD to ONT) flight deals and tips

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

Fastest flight time

16h 35m

Direct flights

None
The fastest flight from Sydney to Ontario takes 16h 35m
There are no direct flights from Sydney to Ontario. There are no popular flight routes from Sydney to Ontario.
Search flight deals

  • How far is Sydney Kingsford Smith to Ontario by plane?

    There are 12114.1 km between Sydney Kingsford Smith and Ontario. By plane, this route typically takes 16h 35m.

  • When did momondo last update prices for flights from Sydney Kingsford Smith Airport to Ontario Airport?

    Prices for flights from Sydney Kingsford Smith Airport to Ontario Airport refresh daily.

  • How many operators does momondo search for flights from Sydney Kingsford Smith Airport to Ontario Airport?

  • How old do you have to be to fly from Sydney Kingsford Smith Airport to Ontario Airport?

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Sydney Kingsford Smith Airport 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.

  • What is the most popular airline from Sydney to Ontario?

Best airlines flying from Sydney to Ontario

Compare and see reviews for airlines that fly from Sydney to Ontario with momondo
Airline
Rating
Free cancellation
Price
United AirlinesPriceFrom $1,235Free cancellationRating
7.4
9,046 reviews
Search United Airlines flights

Why use momondo?

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

momondo collates all your flight options in one place and lets you filter them to find the perfect flight from Sydney to Ontario. momondo saves you time and could save you money on your trip.

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

Flights from Sydney to Ontario with flexible booking policies can be found by using the search form above and then selecting our dedicated flexible booking filter, which will highlight only the flights where this policy is applied.

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

momondo helps you find the best flight between Sydney and Ontario by providing filters to narrow your choice of flights to those matching your criteria. You can select flights based on numerous factors such as price, departure and landing times, airport and airline.

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

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

An easier way to manage your Ontario trip

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