What’s the cost of a flight from Chicago Rockford to Sydney?

Prices vary based on date, airline, and availability. Compare several options if you're flying between Chicago and Sydney.

Choose a date to explore the best fares now.

If possible, avoid holiday periods: ticket prices tend to rise quickly and availability drops, especially on busy routes. Morning and evening flights are often in high demand too — book early to get a good fare.

Flying between Chicago and Sydney? Consider these airports

Depending on your destination and where you’re starting from, it might make sense to look beyond the main hubs.

• Airports in Chicago: Chicago has 3 airports - Midway, O'Hare, Rockford.
• Airports in Sydney: The only active option is Sydney - Kingsford Smith.

Check if your destination airport has a rail link — it can make getting around easier. Jetcost lets you view options from all Chicago airports in a single search.

Find the best flight from Chicago Rockford 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 Ryanair, Easyjet, British Airways, and more.

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 Rockford – Sydney flights.