How to estimate the price of a flight from Chicago to Sydney?

It depends. Prices for flights from Chicago to Sydney fluctuate based on several factors.

Select your dates to check current offers.

Checking fares across several nearby dates can help you see which days offer the best deals. Jetcost lets you track price changes and grab the best opportunities.

Are there multiple airports in Chicago and Sydney?

If your departure or arrival city has more than one airport, it's worth comparing all of them for timing and pricing.

• Airports in Chicago: 3 airports are active in Chicago - Midway, O'Hare, Rockford.
• Airports in Sydney: Sydney - Kingsford Smith is the only airport currently running.

If you're traveling with a group or bulky luggage, look into parking or transport options. Alternative airports may offer faster transfers or better rates.

Match your flight search to your preferences: Chicago – Sydney

Jetcost makes it easy to find the right flight. Set filters for flight time, price, number of stops, and preferred airline. You’ll see offers from the best airlines and travel agencies.

Other popular destinations

Thinking about traveling to Australia? Other users also viewed: Adelaide, Brisbane, Melbourne, Perth, Sydney.

Don’t forget to check change or cancellation policies, especially if your plans aren’t final. For a more targeted search, you can also set price limits directly in the filters.