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

Return flights

22 Sep - 30 Sep	easyJet
20 Sep - 30 Sep	easyJet
04 Sep - 16 Sep	easyJet
01 Sep - 16 Sep	easyJet
01 Sep - 04 Sep	easyJet
04 Sep - 09 Sep	easyJet
22 Sep - 02 Oct	easyJet
20 Sep - 28 Sep	easyJet
15 Sep - 20 Sep	easyJet
01 Sep - 11 Sep	easyJet
08 Sep - 21 Sep	easyJet
29 Sep - 06 Oct	Ryanair	direct
29 Sep - 13 Oct	Ryanair	direct
23 Sep - 03 Oct	Ryanair
26 Sep - 01 Oct	Ryanair
23 Sep - 08 Oct	Ryanair
20 Sep - 04 Oct	easyJet
14 Sep - 02 Oct	Ryanair	direct
30 Sep - 05 Oct	Ryanair
29 Sep - 12 Oct	Ryanair	direct

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.

Book a cheap hotel in Porto

Cheap car rent in Porto

Cheapest return flights from Krakow to Porto in September from 122€

Return flights