Cheapest return flights from Chicago to Sydney in August from $1232

AirHint found the following cheapest return flights from Chicago (ORD) to Sydney (SYD) in August 2026 (see full year).

Return flights

23 Aug - 02 Sep ANA
26 Aug - 31 Aug ANA
05 Aug - 10 Aug Air Canada

Also check the deals for one-way flights from Chicago to Sydney in August.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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