Fly from Chicago to Zagreb for $673 round-trip on United.
Searching United, we found seats departing ORD on Tuesday, May 8, returning from ZAG on Friday, May 18.
Similar fares are available for travel from late April through mid-May.
See our Chicago ORD fare listings for a complete look at current fares.
Need a room in Zagreb? Here's what's available for the above dates on Hotelwatchdog.