Cheapest return flights from Chicago to Sydney in July from $1034

Best time to book flights for Chicago (ORD) to Sydney (SYD) flights at AirHint

AirHint found the following cheapest return flights from Chicago (ORD) to Sydney (SYD) in July 2025 (see full year).

Return flights

30 Jul - 03 Aug Air Canada
28 Jul - 04 Aug Air Canada
23 Jul - 13 Aug Air Canada
10 Jul - 10 Aug Frontier Airlines
08 Jul - 26 Jul Spirit Airlines
01 Jul - 11 Jul Frontier Airlines
09 Jul - 26 Jul Air Canada
23 Jul - 02 Aug Air Canada
10 Jul - 26 Jul Air Canada
03 Jul - 06 Jul Air Canada

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

Skyscanner

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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