AirHint found the following cheapest return flights from Chicago (ORD) to Zagreb (ZAG) in March 2026 (see full year).
Return flights
| 10 Mar - 24 Mar | Austrian Airlines | ||
| 23 Mar - 06 Apr | KLM | ||
| 01 Mar - 29 Mar | Austrian Airlines | ||
| 26 Mar - 09 Apr | Lufthansa |
Also check the deals for one-way flights from Chicago to Zagreb in March.
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