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

Return flights

24 Sep - 07 Oct	Wizz Air
30 Sep - 07 Oct	Wizz Air
23 Sep - 26 Sep	Wizz Air
24 Sep - 01 Oct	Wizz Air
28 Sep - 05 Oct	Wizz Air
29 Sep - 09 Oct	Ryanair
24 Sep - 30 Sep	Wizz Air
23 Sep - 30 Sep	Ryanair
24 Sep - 02 Oct	Wizz Air
29 Sep - 02 Oct	Ryanair
28 Sep - 02 Oct	Ryanair
15 Sep - 23 Sep	Ryanair
28 Sep - 30 Sep	Ryanair
29 Sep - 01 Oct	Wizz Air
20 Sep - 30 Sep	Ryanair
29 Sep - 03 Oct	Ryanair
22 Sep - 30 Sep	Ryanair
15 Sep - 17 Sep	Ryanair
17 Sep - 24 Sep	Ryanair
22 Sep - 26 Sep	Ryanair

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

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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Cheapest return flights from Krakow to Porto in September from 124€

Return flights