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CA $681 Cheap Flights from Sydney (SYD) to Ontario Intl. Airport (ONT)

View CA $681 flight on Wed, Feb 24, 2027Opens in a new window

Popular airlines from Sydney Airport (SYD) to Ontario Intl. Airport (ONT)

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Cheap flights from Sydney (SYD) to Ontario Intl. Airport (ONT)

Prices were available within the past 7 days and start at CA $681 for one-way flights and for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Frequently asked questions

How much does a flight from Sydney, NSW (SYD-Kingsford Smith Intl.) to Ontario Intl. Airport (ONT) cost?
You can find one-way and return flights from SYD to ONT with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when SYD to ONT ticket fares go up or down.
What is the cheapest month to fly from Sydney, NSW (SYD-Kingsford Smith Intl.) to Ontario Intl. Airport (ONT)?
The cheapest months to fly from SYD to ONT are typically during off-peak season when demand is low. Traveling in off-peak or shoulder months is usually a good way to secure cheap tickets, just remember to avoid flying during holidays if you are able to. Use the calendar view in your search to see which months have low fares on this route.
Which airlines fly direct from Sydney, NSW (SYD-Kingsford Smith Intl.) to Ontario Intl. Airport (ONT)?
Enter SYD to ONT and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Sydney, NSW (SYD) to Ontario Intl. Airport (ONT)?
To find a cheap flight from Sydney, NSW (SYD) to Ontario Intl. Airport (ONT), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Sydney, NSW (SYD-Kingsford Smith Intl.) to Ontario Intl. Airport (ONT)?
The best airline to fly with from Sydney, NSW (SYD-Kingsford Smith Intl.) to Ontario Intl. Airport (ONT) will differ from traveler to traveler. If you like to fly early, American Airlines offers early morning flights. If price is the most important factor, American Airlines typically offers the lowest fares. Alaska Airlines offers the most daily flights from Sydney, NSW (SYD-Kingsford Smith Intl.) to Ontario Intl. Airport (ONT), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Sydney, NSW (SYD-Kingsford Smith Intl.) to Ontario Intl. Airport (ONT)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Sydney, NSW (SYD-Kingsford Smith Intl.) to Ontario Intl. Airport (ONT)?
There are approximately 13 connecting flights per day from Sydney, NSW (SYD-Kingsford Smith Intl.) to Ontario Intl. Airport (ONT). Some common connection points include Daniel K. Inouye Intl. (HNL), Vancouver Intl. (YVR), and San Francisco Intl. (SFO).
What is the earliest flight from Sydney, NSW (SYD-Kingsford Smith Intl.) to Ontario Intl. Airport (ONT)?
The earliest flight from Sydney, NSW (SYD-Kingsford Smith Intl.) to Ontario Intl. Airport (ONT) typically departs around 6:00 AM local time. This service is operated by Qantas Airways and is seasonal, active only in May. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Sydney, NSW (SYD-Kingsford Smith Intl.) to Ontario Intl. Airport (ONT)?
You'll typically find the most flights from Sydney, NSW (SYD-Kingsford Smith Intl.) to Ontario Intl. Airport (ONT) on a Tuesday, with around 36 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Qantas Airways, Virgin Australia, and United.
What are the most popular departure times for flights from Sydney, NSW (SYD-Kingsford Smith Intl.) to Ontario Intl. Airport (ONT)?
The most popular departure times for flights from Sydney, NSW (SYD-Kingsford Smith Intl.) to Ontario Intl. Airport (ONT) are between 9am and 12pm. Many major carriers, including Air Canada, United and American Airlines, offer flights during this window. Many travellers prefer these times as they allow for a morning departure, giving you a full day to settle in at your destination.
How long does it take to fly from Sydney, NSW (SYD-Kingsford Smith Intl.) to Ontario Intl. Airport (ONT)?
There are no nonstop flights from Sydney, NSW (SYD-Kingsford Smith Intl.) to Ontario Intl. Airport (ONT). The distance between these two airports is approximately 12,134 kilometres. Flights with one stop typically take around 24 hours 30 minutes to reach Ontario Intl. Airport (ONT) from Sydney (SYD). If you opt for flights with two or more stops, your travel time will be slightly less, averaging around 22 hours 18 minutes. Keep in mind that these are average travel times, and the actual duration can vary based on your specific routing, layover times, and factors like wind patterns.
Can you fly business or first class from Sydney, NSW (SYD-Kingsford Smith Intl.) to Ontario Intl. Airport (ONT)?
You can fly business class or first class between SYD and ONT. Airlines that offer business class service on this route include:
  • Air Canada
  • Qantas Airways
  • American Airlines
First class cabins are available on Qantas Airways.
How do I earn miles on a Sydney, NSW (SYD) to Ontario Intl. Airport (ONT) flight with Expedia?
It's easy to earn miles on a Sydney, NSW (SYD) to Ontario Intl. Airport (ONT) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Ontario Intl. Airport (ONT) from Sydney, NSW (SYD)?
If you're planning to travel to Ontario from Kingsford Smith Intl. (SYD), you can fly directly into Los Angeles - Ontario Intl. (ONT). Some flights may connect through major hubs like Tullamarine (MEL), Vancouver Intl. (YVR), or Haneda (HND) before reaching Ontario. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Sydney, NSW (SYD) to Ontario Intl. Airport (ONT) at the last minute?
Typically, booking a last minute flight from Sydney, NSW (SYD) to Ontario Intl. Airport (ONT) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Sydney, NSW (SYD) to Ontario Intl. Airport (ONT) flight and hotel package?
Securing a Sydney, NSW (SYD) to Ontario Intl. Airport (ONT) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Sydney, NSW (SYD) to Ontario Intl. Airport (ONT)?
If you booked your Sydney, NSW (SYD) to Ontario Intl. Airport (ONT) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Kingsford Smith Intl.
Destination airport
Ontario Intl. Airport
Distance
12062 km

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Sydney to Los Angeles Flights

The easy way to book your flights from Sydney to Ontario Intl. Airport 

With Expedia, it’s simple to find and book flights to Ontario Intl. Airport from Sydney whether you’re traveling for business or pleasure. Enter your travel dates, hit search, and choose your flight from 20 airlines that cover this route. There are nonstop flights to Ontario Intl. Airport, too.  

Choose your preferred carrier and cabin class with the advanced search tool and select your ideal departure time. Then, if you want, you can see just nonstop or refundable flights. And if you’re traveling last minute, just enter the date to check out flights from Sydney to Ontario Intl. Airport today, tomorrow, or this week.  

 

Save dollars with cheap flights from Kingsford Smith Intl., SYD to Ontario Intl. Airport, ONT 

Sort your search results by price to find great deals on your flight from Sydney to Ontario Intl. Airport—you get all your cheapest options first. Grab yourself a bargain now—the lowest price on flights to Ontario Intl. Airport from Sydney currently is just rising to .  

Here are more money-saving tips: 

  • Fly in when flight prices are normally at their lowest 
  • Book about a month to 6 weeks before you travel for the best prices to Ontario Intl. Airport  
  • Avoid peak season and weekends when flights can cost more
  • Early morning and late-night flights are sometimes cheaper, so try varying your travel times 
  • One surefire way to save money on your flight is to book your flight and hotel together with Expedia. Sometimes, the savings are so large that the flight is basically free! 

 

Reasons to choose Expedia for your flight to Ontario Intl. Airport from Sydney 

Whatever your destination, budget, or reason to travel, in just one quick search, you can choose from loads of flights, airlines, and cabin classes. The filters make it quick and easy to find your ideal flights, and if you choose one of the flexible options, you won’t be charged to change your flight. So book your flight to Ontario Intl. Airport with Expedia today.

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