Cheapest return flights from Porto to Zagreb in September from $192

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

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

Return flights

11 Sep - 18 Sep Ryanair
11 Sep - 15 Sep Ryanair
17 Sep - 23 Sep Ryanair
26 Sep - 08 Oct Ryanair
24 Sep - 29 Sep Ryanair
25 Sep - 28 Sep Ryanair
03 Sep - 09 Sep Ryanair
08 Sep - 15 Sep Ryanair
08 Sep - 14 Sep Transavia France
04 Sep - 14 Sep easyJet
07 Sep - 14 Sep Ryanair

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

Skyscanner

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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