AirHint found the following cheapest return flights from Porto (OPO) to Zagreb (ZAG) in October 2026 (see full year).
Return flights
| 05 Oct - 14 Oct | Ryanair | ||
| 06 Oct - 09 Oct | Ryanair | ||
| 04 Oct - 11 Oct | Transavia France |
Also check the deals for one-way flights from Porto to Zagreb in October.
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