Cheapest return flights from Zagreb to Porto in May from $207

Best time to book flights for Zagreb (ZAG) to Porto (OPO) flights at AirHint

AirHint found the following cheapest return flights from Zagreb (ZAG) to Porto (OPO) in May 2025 (see full year).

Return flights

17 May - 20 May Lufthansa
10 May - 15 May Lufthansa
20 May - 03 Jun Ryanair
09 May - 12 May Ryanair
06 May - 11 May Ryanair

Also check the deals for one-way flights from Zagreb to Porto in May.

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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