AirHint found the following cheapest one-way flights from Chicago (MDW) to Zagreb (ZAG) in December 2025 (see full year).
One-Way flights
| 09 Dec | Frontier Airlines | ||
| 07 Dec | Frontier Airlines | ||
| 30 Dec | Frontier Airlines | ||
| 31 Dec | Air France |
Also check the deals for return flights from Chicago to Zagreb in December.
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