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Cheap flights from Sydney to Los Angeles from $860

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 5/2. 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.
Hawaiian Airlines Logo
21:40 - 22:15SYD-ONT
19h 35m1 stop
Hawaiian Airlines Logo
09:50 - 19:45ONT-SYD
39h 55m1 stop
$1,540Hawaiian Airlines
Find Deal
Tue, 3 Mar - Tue, 24 Mar
Hawaiian Airlines Logo
21:40 - 22:28SYD-ONT
19h 48m1 stop
Hawaiian Airlines Logo
08:41 - 19:45ONT-SYD
40h 04m1 stop
$1,563Hawaiian Airlines
Find Deal
Thu, 29 Jan - Fri, 13 Feb
Alaska Airlines Logo
21:40 - 22:28SYD-ONT
19h 48m1 stop
Alaska Airlines Logo
08:41 - 19:45ONT-SYD
40h 04m1 stop
$1,565Alaska Airlines
Find Deal
Sat, 24 Jan - Sun, 22 Feb
Alaska Airlines Logo
21:40 - 23:05SYD-ONT
18h 25m1 stop
Alaska Airlines Logo
09:00 - 19:45ONT-SYD
17h 45m1 stop
$1,588Alaska Airlines
Find Deal
Fri, 1 May - Sat, 30 May
Alaska Airlines Logo
21:40 - 23:05SYD-ONT
18h 25m1 stop
Alaska Airlines Logo
09:00 - 19:45ONT-SYD
17h 45m1 stop
$1,591Alaska Airlines
Find Deal
Tue, 28 Apr - Thu, 27 Aug
Alaska Airlines Logo
21:40 - 10:53SYD-ONT
30h 13m2 stops
Alaska Airlines Logo
09:00 - 19:45ONT-SYD
17h 45m1 stop
$1,614Alaska Airlines
Find Deal
Fri, 1 May - Sat, 30 May
Alaska Airlines Logo
21:40 - 23:05SYD-ONT
18h 25m1 stop
Alaska Airlines Logo
09:00 - 19:45ONT-SYD
17h 45m1 stop
$1,617Alaska Airlines
Find Deal
Fri, 1 May - Thu, 27 Aug
Alaska Airlines Logo
21:40 - 21:55SYD-ONT
18h 15m1 stop
Alaska Airlines Logo
09:50 - 19:45ONT-SYD
39h 55m1 stop
$1,618Alaska Airlines
Find Deal
Tue, 24 Mar - Wed, 1 Apr
Alaska Airlines Logo
21:40 - 23:05SYD-ONT
18h 25m1 stop
Alaska Airlines Logo
09:00 - 19:45ONT-SYD
17h 45m1 stop
$1,635Alaska Airlines
Find Deal
Sat, 2 May - Fri, 28 Aug
United Airlines Logo
12:10 - 12:38SYD-ONT
19h 28m1 stop
United Airlines Logo
18:37 - 09:15ONT-SYD
20h 38m1 stop
$1,661United Airlines
Find Deal
Thu, 19 Feb - Tue, 17 Mar

Hawaiian Airlines flights from Sydney to Ontario

Our best Hawaiian Airlines deals on Sydney to Ontario flight tickets
Hawaiian Airlines
3 Mar
SYD21:40Sydney Kingsford Smith
19h 35m
1 stop
ONT22:15Ontario
24 Mar
ONT09:50Ontario
39h 55m
1 stop
SYD19:45Sydney Kingsford Smith
$1,540
Find similar
Hawaiian Airlines
29 Jan
SYD21:40Sydney Kingsford Smith
19h 48m
1 stop
ONT22:28Ontario
13 Feb
ONT08:41Ontario
40h 04m
1 stop
SYD19:45Sydney Kingsford Smith
$1,563
Find similar
Hawaiian Airlines
10 Feb
SYD21:40Sydney Kingsford Smith
19h 48m
1 stop
ONT22:28Ontario
4 Mar
ONT08:41Ontario
40h 04m
1 stop
SYD19:45Sydney Kingsford Smith
$1,667
Find similar

Alaska Airlines flights from Sydney to Ontario

Our best Alaska Airlines deals on Sydney to Ontario flight tickets
Alaska Airlines
24 Jan
SYD21:40Sydney Kingsford Smith
19h 48m
1 stop
ONT22:28Ontario
22 Feb
ONT08:41Ontario
40h 04m
1 stop
SYD19:45Sydney Kingsford Smith
$1,565
Find similar
Alaska Airlines
1 May
SYD21:40Sydney Kingsford Smith
18h 25m
1 stop
ONT23:05Ontario
30 May
ONT09:00Ontario
17h 45m
1 stop
SYD19:45Sydney Kingsford Smith
$1,588
Find similar
Alaska Airlines
28 Apr
SYD21:40Sydney Kingsford Smith
18h 25m
1 stop
ONT23:05Ontario
29 Aug
ONT09:00Ontario
17h 45m
1 stop
SYD19:45Sydney Kingsford Smith
$1,591
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 17 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

Tue 3/3

21:40-22:15

1 stop19h 35m

Ontario

Tue 24/3

09:50-19:45

1 stop39h 55m

$1,540

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 29/1

21:40-22:28

1 stop19h 48m

Ontario

Fri 13/2

08:41-19:45

1 stop40h 04m

$1,563

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sat 24/1

21:40-22:28

1 stop19h 48m

Ontario

Sun 22/2

08:41-19:45

1 stop40h 04m

$1,565

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Fri 1/5

21:40-23:05

1 stop18h 25m

Ontario

Sat 30/5

09:00-19:45

1 stop17h 45m

$1,588

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 28/4

21:40-23:05

1 stop18h 25m

Ontario

Thu 27/8

09:00-19:45

1 stop17h 45m

$1,591

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Fri 1/5

21:40-10:53

2 stops30h 13m

Ontario

Sat 30/5

09:00-19:45

1 stop17h 45m

$1,614

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Fri 1/5

21:40-23:05

1 stop18h 25m

Ontario

Thu 27/8

09:00-19:45

1 stop17h 45m

$1,617

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 24/3

21:40-21:55

1 stop18h 15m

Ontario

Wed 1/4

09:50-19:45

1 stop39h 55m

$1,618

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sat 2/5

21:40-23:05

1 stop18h 25m

Ontario

Fri 28/8

09:00-19:45

1 stop17h 45m

$1,635

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 19/2

12:10-12:38

1 stop19h 28m

Ontario

Tue 17/3

18:37-09:15

1 stop20h 38m

$1,661

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 $1,412. 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 $1,855.

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 $1,651 when looking at flights departing in the evening. Try not to purchase tickets in the morning because they tend to be around $1,680. 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

Direct flights

None
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 $1,220Free cancellationRating
7.4
9,013 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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