How much should you expect to spend for a flight from Chicago to Sydney?

Flight prices from Chicago to Sydney change depending on demand and time of booking.

Pick a travel date to see today’s available fares.

Studies show that flying midweek — like on a Tuesday or Wednesday — can be cheaper than weekend flights. Still, airfares change frequently, so check updated prices on Jetcost.

What are the airport options between Chicago and Sydney?

If both departure and destination cities offer multiple airports, comparing them can help you save time and money.

• Airports in Chicago: Chicago has 3 airports - Midway, O'Hare, Rockford.
• Airports in Sydney: Sydney has one airport operating, Sydney - Kingsford Smith.

Some airports have different terminals for low-cost and traditional airlines — knowing in advance can save time. You can filter results to see only the airports that suit you.

Find the best flight from Chicago to Sydney

With Jetcost, you can filter results by flight time, airline, price range, and layovers. Choose direct or connecting flights, round-trip or one-way, and compare offers from the best airlines and travel agencies.

Other popular destinations

Searching for flights to Australia? Travelers also looked at: Adelaide, Brisbane, Melbourne, Perth, Sydney.

Use filters to exclude options that don’t match your budget or travel preferences and personalize your search for Chicago – Sydney flights.