AirHint found the following cheapest return flights from Portland (PDX) to Zagreb (ZAG) in April 2026 (see full year).
Return flights
| 20 Apr - 18 May | Condor | ||
| 14 Apr - 12 May | Air France | ||
| 28 Apr - 19 May | Condor | ||
| 21 Apr - 19 May | Icelandair | ||
| 19 Apr - 17 May | Condor |
Also check the deals for one-way flights from Portland to Zagreb in April.
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