Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Sydney to Los Angeles from $639

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 7/12. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names, great deals

Big names, great deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

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

Trusted and free

Trusted and free

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

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Sydney to Los Angeles

Cheap return flights

Enter your travel dates to find the best prices.
Alaska Airlines Logo
21:40 - 20:23SYD-ONT
17h 43m1 stop
Alaska Airlines Logo
08:13 - 19:45ONT-SYD
40h 32m1 stop
$1,051Alaska Airlines
Find Deal
Thu, 4 Dec - Sun, 8 Feb
Alaska Airlines Logo
21:40 - 20:23SYD-ONT
17h 43m1 stop
Alaska Airlines Logo
08:00 - 19:45ONT-SYD
40h 45m1 stop
$1,128Alaska Airlines
Find Deal
Thu, 4 Dec - Wed, 31 Dec
United Airlines Logo
12:10 - 20:44SYD-ONT
27h 34m2 stops
United Airlines Logo
18:38 - 09:15ONT-SYD
19h 37m1 stop
$1,141United Airlines
Find Deal
Mon, 17 Nov - Mon, 24 Nov
Hawaiian Airlines Logo
21:40 - 22:28SYD-ONT
19h 48m1 stop
Hawaiian Airlines Logo
08:13 - 19:45ONT-SYD
40h 32m1 stop
$1,161Hawaiian Airlines
Find Deal
Sun, 1 Feb - Fri, 6 Feb
Hawaiian Airlines Logo
21:40 - 22:28SYD-ONT
19h 48m1 stop
Hawaiian Airlines Logo
08:13 - 19:45ONT-SYD
40h 32m1 stop
$1,166Hawaiian Airlines
Find Deal
Sun, 1 Feb - Fri, 6 Feb
Hawaiian Airlines Logo
21:40 - 22:08SYD-ONT
19h 28m1 stop
Hawaiian Airlines Logo
08:00 - 19:45ONT-SYD
40h 45m1 stop
$1,190Hawaiian Airlines
Find Deal
Wed, 24 Dec - Wed, 31 Dec
Alaska Airlines Logo
21:40 - 22:28SYD-ONT
19h 48m1 stop
Alaska Airlines Logo
08:13 - 19:45ONT-SYD
40h 32m1 stop
$1,199Alaska Airlines
Find Deal
Sun, 1 Feb - Fri, 6 Feb
United Airlines Logo
12:10 - 17:34SYD-ONT
24h 24m1 stop
United Airlines Logo
21:35 - 09:15ONT-SYD
40h 40m2 stops
$1,216United Airlines
Find Deal
Sat, 22 Nov - Sat, 29 Nov
China Airlines Logo
22:10 - 17:50SYD-ONT
37h 40m1 stop
China Airlines Logo
00:10 - 10:45ONT-SYD
41h 35m1 stop
$1,870China Airlines
Find Deal
Tue, 17 Mar - Mon, 13 Apr
China Airlines Logo
22:10 - 18:00SYD-ONT
36h 50m1 stop
China Airlines Logo
00:10 - 17:15ONT-SYD
48h 05m2 stops
$2,043China Airlines
Find Deal
Sun, 19 Apr - Sat, 2 May

Hawaiian Airlines flights from Sydney to Ontario

Our best Hawaiian Airlines deals on Sydney to Ontario flight tickets
Hawaiian Airlines
1 Feb
SYD21:40Sydney Kingsford Smith
19h 48m
1 stop
ONT22:28Ontario
6 Feb
ONT08:13Ontario
40h 32m
1 stop
SYD19:45Sydney Kingsford Smith
$1,161
Find similar
Hawaiian Airlines
1 Feb
SYD21:40Sydney Kingsford Smith
19h 48m
1 stop
ONT22:28Ontario
6 Feb
ONT08:13Ontario
40h 32m
1 stop
SYD19:45Sydney Kingsford Smith
$1,166
Find similar
Hawaiian Airlines
24 Dec
SYD21:40Sydney Kingsford Smith
19h 28m
1 stop
ONT22:08Ontario
31 Dec
ONT08:00Ontario
40h 45m
1 stop
SYD19:45Sydney Kingsford Smith
$1,190
Find similar

Alaska Airlines flights from Sydney to Ontario

Our best Alaska Airlines deals on Sydney to Ontario flight tickets
Alaska Airlines
4 Dec
SYD21:40Sydney Kingsford Smith
17h 43m
1 stop
ONT20:23Ontario
8 Feb
ONT08:13Ontario
40h 32m
1 stop
SYD19:45Sydney Kingsford Smith
$1,051
Find similar
Alaska Airlines
4 Dec
SYD21:40Sydney Kingsford Smith
17h 43m
1 stop
ONT20:23Ontario
31 Dec
ONT08:00Ontario
40h 45m
1 stop
SYD19:45Sydney Kingsford Smith
$1,128
Find similar
Alaska Airlines
1 Feb
SYD21:40Sydney Kingsford Smith
19h 48m
1 stop
ONT22:28Ontario
6 Feb
ONT08:13Ontario
40h 32m
1 stop
SYD19:45Sydney Kingsford Smith
$1,199
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 4 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

Thu 4/12

21:40-20:23

1 stop17h 43m

Ontario

Sun 8/2

08:13-19:45

1 stop40h 32m

$1,051

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 4/12

21:40-20:23

1 stop17h 43m

Ontario

Wed 31/12

08:00-19:45

1 stop40h 45m

$1,128

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Mon 17/11

12:10-20:44

2 stops27h 34m

Ontario

Mon 24/11

18:38-09:15

1 stop19h 37m

$1,141

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sun 1/2

21:40-22:28

1 stop19h 48m

Ontario

Fri 6/2

08:13-19:45

1 stop40h 32m

$1,161

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sun 1/2

21:40-22:28

1 stop19h 48m

Ontario

Fri 6/2

08:13-19:45

1 stop40h 32m

$1,166

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Wed 24/12

21:40-22:08

1 stop19h 28m

Ontario

Wed 31/12

08:00-19:45

1 stop40h 45m

$1,190

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sun 1/2

21:40-22:28

1 stop19h 48m

Ontario

Fri 6/2

08:13-19:45

1 stop40h 32m

$1,199

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sat 22/11

12:10-17:34

1 stop24h 24m

Ontario

Sat 29/11

21:35-09:15

2 stops40h 40m

$1,216

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 17/3

22:10-17:50

1 stop37h 40m

Ontario

Mon 13/4

00:10-10:45

1 stop41h 35m

$1,870

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sun 19/4

22:10-18:00

1 stop36h 50m

Ontario

Sat 2/5

00:10-17:15

2 stops48h 05m

$2,043

Flights are sorted by cheapest return flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

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 $1,410. 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 $1,853.

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 $1,650 when looking at flights departing in the evening. Try not to purchase tickets in the morning because they tend to be around $1,678. 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 51m.

  • 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 $1,219Free cancellationRating
7.4
9,002 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

We make it super easy to schedule, organise and travel with friends or family. Trips is free – and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Thu 4/12
Thu 11/12
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States