Cheapest return flights from Chicago to Zagreb in September from 553€

AirHint found the following cheapest return flights from Chicago (ORD) to Zagreb (ZAG) in September 2026 (see full year).

Return flights

04 Sep - 16 Sep Turkish Airlines
07 Sep - 27 Sep Turkish Airlines
20 Sep - 04 Oct Turkish Airlines
15 Sep - 30 Sep KLM
23 Sep - 07 Oct Lufthansa

Also check the deals for one-way flights from Chicago to Zagreb in September.

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