Find flights
When to book
Airlines
FAQs

Cheap flights from Sydney to Ontario from $943

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 3/9. Fares are subject to change and may not be available on all flights or dates of travel.
SYD — ONT
6 Jul — 13 Jul1
1 adult

Cheap flight deals from Sydney to Ontario

Discover tips and strategies to find the most affordable flight options for your journey from Sydney (SYD) to Ontario (ONT). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated 1 July 2025.

Round-trip from

$1,326

One-way from

$943

Popular in

June

Cheapest in

August

Average price

$1,609
United Airlines
  • United Airlines
  • 8/9-6/10
  • 2 total stops
  • 42h 55m total
  • Sydney to Ontario
Search Deals
3/9
  • 3/9
  • 1 total stop
  • 21h 50m total
  • Sydney to Ontario
Search Deals
Highest demand for flights based on searches. 5% potential increase in price ($134 potential increase over avg. return price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($59 potential savings vs. average return price).
Search Deals
Average for round-trip flights in July 2025
Search Deals

Find flight deals from Sydney to Ontario

Cheapest flights from Sydney to Ontario
Explore the most affordable flight options available from Sydney to Ontario. Find the lowest fares from popular airlines and budget airlines, with prices last updated on 1 July 2025.

Sat 1/1121:40SYD - ONT
1 stop38h 34mHawaiian Airlines
Thu 13/1109:45ONT - SYD
1 stop39h 00mHawaiian Airlines
Deal found 28/6$1,210
Mon 8/910:20SYD - ONT
2 stops28h 05mUnited Airlines
Wed 8/1005:05ONT - SYD
2 stops32h 50mUnited Airlines
Deal found 30/6$1,326
Thu 14/809:25SYD - ONT
2 stops31h 15mDelta
Thu 21/806:05ONT - SYD
2 stops31h 30mDelta
Deal found 29/6$1,386
Fri 15/821:40SYD - ONT
2 stops32h 46mAlaska Airlines
Thu 4/908:35ONT - SYD
1 stop18h 10mAlaska Airlines
Deal found 29/6$1,453
Sun 2/1122:10SYD - ONT
1 stop37h 40mChina Airlines
Sat 8/1122:45ONT - SYD
1 stop42h 25mChina Airlines
Deal found 30/6$1,752

Cheapflights 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, Cheapflights users made 647,157 searches. Data last updated 1 July 2025.
Use the filters below to find and compare flights from Sydney to Ontario that are best for you.

Fly from

Sydney

Fly to

Ontario

Route

Depart

Return

Price

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sat 1/11

21:40-18:14

1 stop38h 34m

Ontario

Thu 13/11

09:45-19:45

1 stop39h 00m

$1,210

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Fri 31/10

21:40-17:14

1 stop37h 34m

Ontario

Fri 14/11

09:45-19:45

1 stop39h 00m

$1,291

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Mon 8/9

10:20-17:29

2 stops24h 09m

Ontario

Thu 9/10

05:05-07:55

2 stops32h 50m

$1,326

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Thu 14/8

09:25-23:40

2 stops31h 15m

Ontario

Thu 21/8

06:05-06:35

2 stops31h 30m

$1,386

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sun 2/11

22:10-16:50

1 stop37h 40m

Ontario

Sat 8/11

22:45-12:10

1 stop42h 25m

$1,752

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Wed 3/9

16:20-21:10

1 stop21h 50m

$943

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Sat 25/10

21:40-17:14

1 stop37h 34m

$1,088

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Wed 30/7

22:10-18:40

1 stop37h 30m

$1,096

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 14/10

21:30-21:29

2 stops65h 59m

$1,255

SydneyOntario

SYD - ONT

SYDONT

Sydney Kingsford Smith

Tue 19/8

10:20-20:33

1 stop27h 13m

$1,343

Flights are sorted by cheapest return flights first.

Deals found on 30/6

Showing 1-10 of 12 results
1
2

Best time to book a flight from Sydney to Ontario

Have a flexible travel schedule? Discover the best time to fly to Ontario from Sydney with our price prediction graph.
Estimated return price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Reviews of airlines servicing Ontario

Get insights into the airlines that provide service to Ontario. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Ontario. Reviews last updated 1 July 2025.
Read reviews from past customers who have flown with Japan Airlines, China Airlines, andAlaska Airlines from Sydney to Ontario. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Japan Airlines
8.3
Very Good
1,504 reviews
Check prices

Comfort

8.2

Entertainment

7.8

Overall

8.3

Boarding

8.4

Food

7.7

Crew

8.7

Reviews

1 / 20
2.0
Mediocre

Roger,June 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Japan Airlines
8.3
Very Good
1,504 reviews
Japan Airlines
8.3
Very Good
1,504 reviews
Check prices

Comfort

8.2

Entertainment

7.8

Overall

8.3

Boarding

8.4

Food

7.7

Crew

8.7

Reviews

1 / 20
2.0
Mediocre

Roger,June 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
China Airlines
8.3
Very Good
745 reviews
Japan Airlines
8.3
Very Good
1,504 reviews
Check prices

Comfort

8.2

Entertainment

7.8

Overall

8.3

Boarding

8.4

Food

7.7

Crew

8.7

Reviews

1 / 20
2.0
Mediocre

Roger,June 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Alaska Airlines
8.0
Very Good
10,000 reviews
Japan Airlines
8.3
Very Good
1,504 reviews
Check prices

Comfort

8.2

Entertainment

7.8

Overall

8.3

Boarding

8.4

Food

7.7

Crew

8.7

Reviews

1 / 20
2.0
Mediocre

Roger,June 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Delta
8.0
Very Good
7,973 reviews
Japan Airlines
8.3
Very Good
1,504 reviews
Check prices

Comfort

8.2

Entertainment

7.8

Overall

8.3

Boarding

8.4

Food

7.7

Crew

8.7

Reviews

1 / 20
2.0
Mediocre

Roger,June 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.
Hawaiian Airlines
7.8
Good
2,538 reviews
Japan Airlines
8.3
Very Good
1,504 reviews
Check prices

Comfort

8.2

Entertainment

7.8

Overall

8.3

Boarding

8.4

Food

7.7

Crew

8.7

Reviews

1 / 20
2.0
Mediocre

Roger,June 2025

ORD - PIT

My bag was at O’Hare airport for five hours waiting on my next flight because it was delayed for 2 1/2 hours and they couldn’t put it on the right goddamn airplane. I am home in Pennsylvania without my bag and all my stuff.

Related info for your journey

Find useful and relevant information for your journey from Sydney to Ontario. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What are the cheapest airlines flying from Sydney to Ontario round-trip?

    United Airlines, at $1,326, was found to be the cheapest airline from Sydney to Ontario.Alternate airlines to your destination round-trip include Delta and Alaska Airlines. United Airlines is currently priced 11% below the average price you’ll pay for this route.

  • What are the cheapest airlines to fly from Sydney to Ontario one-way?

    To fly one-way, consider booking your trip with China Airlines, which is currently one of the cheapest options available, starting at $1,096. Alaska Airlines flights start at $1,299 while deals on United Airlines start at $1,343 one-way.

  • Can I find deals for flights from Sydney to Ontario that include hotel bookings?

    Yes. In addition to deals on Sydney to Ontario flights, Cheapflights offers holiday packages that include both flights and hotel.

  • How can I find direct flights from Sydney to Ontario?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Sydney to Ontario.

  • Can I find deals for business class flights from Sydney to Ontario?

    Yes. Cheapflights offers flight deals from Sydney to Ontario by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

See more FAQs

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top airline flying from Sydney to Ontario

Discover the top airline that operate flights from Sydney to Ontario. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 647,157 searches. Data last updated 1 July 2025.
AirlineCheapestAverageFlexibilityOn-time
United AirlinesCheapest$1,217Average$1,707FlexibilityNo cancel feeOn-time69%
Search United Airlines flights

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travellers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Sydney to Ontario?

Cheapflights makes it easy to find Sydney to Ontario flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Sydney to Ontario?

Millions of users choose and trust Cheapflights to book the best flight deals from Sydney to Ontario for free. We help you search and compare prices from hundreds of airlines for the right flight just for you.

Can Cheapflights find flights from Sydney to Ontario with no change fees?

Cheapflights does show flights with no change fees to all users. To see these options for flights from Sydney to Ontario, users can toggle the no change fees filter when performing a flight search.

Can Cheapflights notify me if prices for flights from Sydney to Ontario become cheaper?

Yes, and it’s super simple to set up. Click the bell icon next to the flight deals above and provide a valid email address to enable Price Alerts. That’s it!

100% Free

Cheapflights is completely free to use, so you can start saving the moment you arrive.

Book with Flexibility

Our users can plan ahead with confidence and find flights with no change fees

Travel Smart

Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.
Site
©2025 Cheapflights