$827 Cheap Qantas Airways flights Chicago (ORD) to Sydney (SYD)

You can discover affordable return Qantas flights from $1,443 from ORD to SYD by sorting your results from “Price (lowest to highest)” on Expedia. Or search for deals from $827 for a one-way journey.**These prices were available on Expedia within the past 7 days, for flights departing within the next year. Prices and availability are subject to change. Additional terms apply.

May is one of the most affordable months to fly to Sydney with Qantas. You could also find great deals on return and one-way fares in August.

Start your search for Qantas flights from ORD to SYD about one month before you want to leave. The most affordable time to reserve an international flight is generally 18 to 29 days ahead of your travel date when you can save 17% versus booking four to five months in advance. No matter your itinerary or fare class, the best day to book international airfare is usually Sunday. Friday is often the most expensive. Passengers who book on a Sunday can save an average of 17% compared to those who book on a Friday.**Ideal booking window recommendation is based on average round-trip ticket prices for January through November for 2024. Best day of the week to book recommendation is based on average round-trip ticket prices for January through October 2024. All data sourced from ARC’s global airline sales database.

Enter your dates, press search and use the “Nonstop” filter on Expedia to browse any direct flights from ORD to SYD with Qantas or other airlines.

To find the earliest departure from ORD to SYD with Qantas, filter your results by “Morning” and “Early Morning.” Choosing an early flight usually means you’ll experience fewer cancellations.**Most reliable time of the day recommendation is based on January through August 2024 flight status data sourced from OAG’s global flight data platform.

Kingsford Smith Intl. Airport (SYD) is the primary Sydney gateway for Qantas flights from O’Hare Intl. Airport (ORD).

On a standard economy flight with Qantas from ORD to SYD, you can bring 1 checked-in bag up to 66 lb with dimensions not exceeding 62 inches in total. For carry-on, you’re permitted 1 cabin bag weighing up to 22 lb and measuring less than 22 inches x 9 inches x 14 inches. Size and weight limits may vary depending on your cabin class and airfare type. To make sure you don’t get caught with extra charges at the terminal, check your Qantas booking or go to the airline’s website before you begin packing.

Qantas makes traveling from ORD to SYD more comfortable with top-tier customer service and a 4-star airline rating. You also have the chance to earn points with Qantas Frequent Flyer. Don’t forget to join Expedia’s free One Key™ rewards program to earn OneKeyCash™*, which can be redeemed on future trips.*OneKeyCash™ disclaimer - OneKeyCash™ is not redeemable for cash and can only be used on Expedia, Hotels.com and Vrbo.

Changes are often free within 24 hours of booking, but your airline may charge you after that. For further details about altering your flights, check out your “Trips,” select your flight and click on “Manage Booking.” If you’d like the freedom to update your itinerary without being charged, tick the “Changes included” or “No cancel fee” filter when planning your next adventure.