What’s the cost of a flight from Chicago O'Hare 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.

Which airports serve Chicago and Sydney?

When planning a trip of about 14862 km, it's a good idea to check flights from surrounding airports too.

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

The closest airport isn’t always the cheapest — it’s worth checking the alternatives too. In some cities, smaller airports offer lower fares than the main ones.

Find flights from Chicago O'Hare to Sydney that suit your schedule

Use Jetcost to sort and filter results based on your preferred flight time, number of stops, price range, or airline. View deals from the best airlines and travel agencies.

Other popular destinations

Interested in Australia? These cities are also in demand: Adelaide, Brisbane, Melbourne, Perth, Sydney.

Connecting flights can be cheaper but often mean longer layovers. You can easily select either direct or connecting flights with a single click using the filters.