AirHint found the following cheapest return flights from Chicago (ORD) to Zagreb (ZAG) in January 2026 (see full year).
Return flights
| 19 Jan - 03 Feb | Turkish Airlines | ||
| 13 Jan - 27 Jan | Turkish Airlines | ||
| 20 Jan - 26 Jan | Air France | ||
| 02 Jan - 12 Jan | Lufthansa | ||
| 06 Jan - 13 Jan | Delta | ||
| 22 Jan - 23 Jan | Frontier Airlines |
Also check the deals for one-way flights from Chicago to Zagreb in January.
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