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

Return flights

23 Aug - 27 Aug	Vueling Airlines
06 Aug - 12 Aug	Ryanair
25 Aug - 01 Sep	Ryanair
06 Aug - 13 Aug	Ryanair
25 Aug - 29 Aug	Ryanair
28 Aug - 04 Sep	Ryanair
18 Aug - 01 Sep	Norwegian
04 Aug - 07 Aug	easyJet
01 Aug - 31 Aug	Ryanair
19 Aug - 26 Aug	Ryanair
01 Aug - 05 Aug	Ryanair
21 Aug - 25 Aug	Ryanair
04 Aug - 06 Aug	easyJet
25 Aug - 07 Sep	Ryanair	direct
31 Aug - 04 Sep	Ryanair
25 Aug - 08 Sep	Ryanair	direct
25 Aug - 11 Sep	Ryanair	direct
14 Aug - 11 Sep	Ryanair
24 Aug - 01 Sep	Air Serbia
15 Aug - 01 Sep	Norwegian

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

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 August from 198€

Return flights