Cheapest return flights from Chicago to Zagreb in December from $668

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

Return flights

10 Dec - 24 Dec Icelandair
01 Dec - 08 Dec Turkish Airlines
02 Dec - 05 Dec Spirit Airlines
24 Dec - 14 Jan LOT
11 Dec - 25 Dec Lufthansa
25 Dec - 07 Jan Lufthansa
15 Dec - 05 Jan Frontier Airlines
21 Dec - 04 Jan Spirit Airlines
17 Dec - 02 Jan jetBlue

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

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