Flight prices from Chicago O'Hare to Sydney

There’s no fixed price — fares between Chicago and Sydney can vary a lot by day or time.

Choose a date to explore the best fares now.

The lowest fares are often found with some flexibility in travel dates. If your plans are flexible, you’ll have a better chance of finding cheap flights.

Which departure and arrival airports are available?

Between Chicago and Sydney, flight options may depend on the combination of airports available.

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

Sometimes flying into a nearby city can be more cost-effective. When a city has multiple airports, it’s worth comparing different flight combinations.

Smart ways to search flights from Chicago O'Hare to Sydney

Use Jetcost to view tailored results based on what you care about — time, duration, number of stops, or even your preferred booking agency. Results include the best airlines and travel agencies.

Other popular destinations

Flying to Australia? Other travelers also searched: Adelaide, Brisbane, Melbourne, Perth, Sydney.

Prefer non-stop flights? Just activate the filter to skip unnecessary layovers. If your dates are flexible, you can also explore different departure and return combinations to find the best fit.