Cheapest return flights from Chicago to Zagreb in December from 790€

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

Return flights

09 Dec - 30 Jan Delta
09 Dec - 16 Dec Air France
09 Dec - 17 Dec Frontier Airlines
06 Dec - 17 Dec Delta
07 Dec - 17 Dec Frontier Airlines
08 Dec - 17 Dec Delta
24 Dec - 10 Jan KLM
08 Dec - 16 Dec Delta
09 Dec - 28 Dec Delta
09 Dec - 27 Dec Delta
10 Dec - 28 Dec Delta
20 Dec - 03 Jan Frontier Airlines

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

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