Cheapest return flights from Chicago to Zagreb in December from 433€

AirHint found the following cheapest return flights from Chicago (ORD) to Zagreb (ZAG) in December 2025 (see full year).

Return flights

01 Dec - 08 Dec Lufthansa
08 Dec - 22 Dec Lufthansa
05 Dec - 19 Dec Lufthansa
15 Dec - 10 Jan KLM
13 Dec - 22 Dec Scandinavian Airlines
16 Dec - 07 Jan Air France
16 Dec - 06 Jan Spirit Airlines
17 Dec - 07 Jan Frontier Airlines
11 Dec - 02 Jan Spirit Airlines
08 Dec - 03 Jan Spirit Airlines
08 Dec - 02 Jan Spirit Airlines
20 Dec - 08 Jan Austrian Airlines

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

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