Cheapest return flights from Chicago to Sydney in May from 886€

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

Return flights

16 May - 26 May Spirit Airlines
24 May - 31 May Spirit Airlines
06 May - 13 May Alaska Airlines
11 May - 17 May Air Canada
15 May - 23 May Air Canada
12 May - 15 May Air Canada
11 May - 21 May Air Canada
27 May - 11 Jun Air Canada

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

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