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

Return flights

17 Sep - 21 Sep	easyJet
18 Sep - 22 Sep	easyJet
25 Sep - 29 Sep	easyJet
11 Sep - 14 Sep	easyJet
18 Sep - 06 Oct	Ryanair	direct
16 Sep - 23 Sep	easyJet
18 Sep - 21 Sep	easyJet
18 Sep - 05 Oct	Ryanair	direct
22 Sep - 13 Oct	Ryanair	direct
19 Sep - 23 Sep	Ryanair
18 Sep - 28 Sep	Ryanair	direct
22 Sep - 12 Oct	Ryanair	direct
18 Sep - 25 Sep	Ryanair
22 Sep - 06 Oct	Ryanair	direct
27 Sep - 02 Oct	easyJet
12 Sep - 14 Sep	easyJet
18 Sep - 09 Oct	Ryanair	direct
22 Sep - 05 Oct	Ryanair	direct
15 Sep - 06 Oct	Ryanair	direct
22 Sep - 09 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 141€

Return flights