How much is a ticket from Chicago O'Hare to Sydney Douglas McCurdy?

Depending on when you travel and how far in advance you book, fares between Chicago and Sydney can differ a lot.

Choose a date to explore the best fares now.

If you’re flexible with timing, consider overnight flights — they often cost less and are less crowded. Exploring multiple date and time combinations can help you find the cheapest solution.

Flying from or to Chicago and Sydney? Here are your airport options

Knowing your full list of nearby airports can make flight planning easier, especially when routes vary.

• Airports in Chicago: You have 3 departure options - Midway, O'Hare, Rockford.
• Airports in Sydney: Sydney is the only arrival option right now.

For families or those traveling with assistance, smaller airports can be easier to navigate. Cities served by multiple airports often allow for more flexible travel planning.

Adjust your flight filters for Chicago O'Hare – Sydney Douglas McCurdy

Jetcost gives you tools to search smarter. Pick your ideal price range, airline, departure time, and flight type — then compare offers from the best travel agencies and carriers.

Other popular destinations

Planning a trip to Canada? These cities are popular too: Calgary, Montreal, Quebec, Toronto, Vancouver.

Sorting options let you see the most affordable flights first. Some results may include extra fees shown only at checkout — always read carefully to see what’s included.