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

Return flights

17 Sep - 24 Sep	Ryanair
22 Sep - 24 Sep	Transavia France
24 Sep - 27 Sep	Ryanair
23 Sep - 25 Sep	Ryanair
27 Sep - 04 Oct	easyJet
17 Sep - 20 Sep	Ryanair
25 Sep - 27 Sep	Ryanair
19 Sep - 29 Sep	Ryanair
19 Sep - 30 Sep	Ryanair
19 Sep - 24 Sep	Ryanair
19 Sep - 23 Sep	Ryanair
19 Sep - 02 Oct	Ryanair
29 Sep - 02 Oct	easyJet
29 Sep - 05 Oct	easyJet
22 Sep - 05 Oct	Ryanair
28 Sep - 13 Oct	Ryanair
15 Sep - 06 Oct	Ryanair	direct
28 Sep - 05 Oct	Ryanair
15 Sep - 05 Oct	Ryanair	direct
25 Sep - 06 Oct	Ryanair	direct

Also check the deals for one-way flights from Porto to Krakow 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 Porto to Krakow in September from $160

Return flights