The cheapest times to fly from ORD to YQY are

  • January 8th to April 1st (except the weeks of March 5th and March 19th)
  • August 13th to December 9th (except the week of August 27th)

based on data collected exclusively by Champion Traveler across tens of millions of flights. Among all the dates above, the very cheapest time to fly from ORD to YQY is mid to late September. Prices can be as high as $939 for Sunday flights during early August, or as low as $430 for Wednesday flights around mid to late September.


When to Fly to Sydney

Flying from Chicago, IL (ORD) to Sydney (YQY) will usually cost between $432 to $761 per person if booking more than four weeks in advance. On average the very cheapest time to fly is mid to late September with an average ticket price of $430. Due to high demand the most expensive time to fly is early August, with an average price of $784. Planning your trip to low-cost times can easily save you $354 on economy flights and even more on first-class flights. Generally, any price below $576 can be considered a good price for a round-trip ORD to YQY flight.

See below for a graph of average weekly prices for the ORD to YQY route. All prices are for round-trip tickets in USD.

ORD to YQY Flight Prices

Compared to other flights, the ORD to YQY flight is cheaper than the average and costs less than the average flight leaving from Chicago. The average price per mile (for a direct flight) is $0.25, which is below average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to fly to YQY, and Tuesday the cheapest day to fly back into ORD. Sundays are the most expensive days to fly out or take a return trip. Selecting flights on the least expensive days could save you up to $97 (16%) on this flight.

Departing prices are for round-trip flights returning on the day of departure. For example, a flight departing on Wednesday and returning a week later will cost an average of $545. Return trip prices are from the YQY to ORD flight, and often highlight the quality of our data in showing the same trend.

Departing Prices by Day

Departure Day Prices

Return Trip Prices by Day

Return Day Prices


Nonstop Flights and Layovers

Travelers looking to fly from ORD to YQY can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 3 hour 31 minutes may not be realistic.


Alternative Nearby Airports

Champion Traveler tells you which airports are nearby and whether tickets might be cheaper alternative airports nearby. Sometimes it’s worth it to fly into a closer airport and then commute to your destination. Remember that there is not usually a nonstop flight from ORD to YQY while comparing.

Destination alternative #1: Charlottetown Airport (YYG) in Charlottetown

  • 147 miles (237 km) away from YQY
  • Usually 9.47% less expensive than YQY
  • 1-layover flights available

See ORD to YYG flights


Flight Questions Answered

Still have questions about flying from ORD to YQY? We’ve got answers.

Which airlines fly this route?

You can find 5 major airlines flying this route most often: Air Canada, American, Delta, United, WestJet, and potentially more during busy seasons.

How far away is it from Sydney Airport to Chicago O’Hare International Airport?

The distance between the two airports is roughly 1405 miles or 2261 kilometers.

How long does it take to fly from ORD to YQY?

The real-world flight time for a nonstop ORD to YQY flight is about 3 hour 31 minutes.

How many flights go between Chicago, IL and Sydney?

It depends on the day of the week and the date, but a typical day might have around 19 available flights from ORD to YQY.


Airport Location Info


Departing Airport

Origination codeORD
Origination airport nameChicago O’Hare International Airport
CityChicago, IL
Countrythe United States

Return Airport

Destination codeYQY
Destination airport nameSydney Airport


Other Resources

Please note that while we’ve worked hard to analyzed tens of millions of flights to get you this data, we do not calculate current live prices or guarantee pricing. Please see our partners using the links above for current offers.