The cheapest times to fly from SYD to ORD are

  • January 15th to March 25th (except the week of March 12th)
  • May 14th to May 27th
  • July 30th to November 25th (except the weeks of September 24th and October 1st)

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 SYD to ORD is late August to early September. Prices can be as high as $2202 for Thursday flights during early January, or as low as $760 for Wednesday flights around late August to early September.


When to Fly to Chicago

Flying from Sydney (SYD) to Chicago, IL (ORD) will usually cost between $792 to $1617 per person if booking more than four weeks in advance. On average the very cheapest time to fly is late August to early September with an average ticket price of $814. Due to high demand the most expensive time to fly is early January, with an average price of $1881. Planning your trip to low-cost times can easily save you $1067 on economy flights and even more on first-class flights. Generally, any price below $956 can be considered a good price for a round-trip SYD to ORD flight.

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

SYD to ORD Flight Prices

Compared to other flights, the SYD to ORD flight is priced close to the average and costs about as much as the average flight leaving from Sydney. The average price per mile (for a direct flight) is $0.06, which is far below average.


Flight Prices by Day of the Week

Wednesday is usually the cheapest day to fly to ORD, and Tuesday the cheapest day to fly back into SYD. Thursdays are the most expensive days to fly to Chicago, and Saturdays are the most expensive days to return to Sydney. Selecting flights on the least expensive days could save you up to $102 (8%) 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 $1012. Return trip prices are from the ORD to SYD 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 SYD to ORD can generally find a 1-layover flight. Because there is not usually a direct flight option the real-world direct flight time of 17 hour 36 minutes may not be realistic.


Flight Hacking SYD to ORD

Flight hacking is when you book two tickets instead of a layover, sometimes with different airlines. You will need to either bring only a carry-on bag (highly recommended) or leave yourself plenty of time to go through security again. Flight hacking is completely allowed, but airlines don’t always tell you the cheapest way to get from SYD to ORD — but Champion Traveler does!

Hack #1: Los Angeles, CA (SYD > LAX > ORD)

  • Price for both tickets: $902
  • Average savings: $54 (5.6%)

See SYD to flights


Flight Questions Answered

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

Which airlines fly this route?

You can find 43 major airlines flying this route most often: Air Canada, Air Europa, Air France, Air Malta, Air New Zealand, Air Tahiti Nui, Alaska, Alitalia, American, ANA, Asiana, Brussels Airlines, Cathay Pacific, China Eastern, China Southern, Condor, Delta, EgyptAir, Emirates, EVA Air, Fiji Airways, Finnair, Frontier, Hawaiian, Iberia, JAL, JetBlue, KLM, Korean Air, Lufthansa, Norwegian, Nouvelair Tunisie, Qantas, Qatar Airways, Royal Air Maroc, Royal Jordanian, SAS, Saudia, Tunisair, Turkish Airlines, United, Virgin Australia, XL Airways, and potentially more during busy seasons.

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

The distance between the two airports is roughly 9233 miles or 14859 kilometers.

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

The real-world flight time for a nonstop SYD to ORD flight is about 17 hour 36 minutes.

How many flights go between Sydney and Chicago, IL?

It depends on the day of the week and the date, but a typical day might have around 83 available flights from SYD to ORD.


Airport Location Info


Departing Airport

Origination codeSYD
Origination airport nameSydney International Airport

Return Airport

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


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.