AirHint found the following cheapest return flights from Katowice (KTW) to Porto (OPO) in July 2025 (see full year).

Return flights

29 Jul - 01 Aug	Wizz Air
14 Jul - 18 Jul	Ryanair
14 Jul - 15 Jul	Ryanair
29 Jul - 05 Aug	Wizz Air
01 Jul - 11 Jul	Wizz Air
01 Jul - 10 Jul	Wizz Air
22 Jul - 31 Jul	Wizz Air
16 Jul - 23 Jul	Wizz Air
01 Jul - 05 Jul	Ryanair
29 Jul - 03 Aug	Wizz Air
22 Jul - 29 Jul	Wizz Air
26 Jul - 31 Jul	Wizz Air
09 Jul - 16 Jul	Wizz Air
30 Jul - 06 Aug	Wizz Air
23 Jul - 03 Aug	Ryanair
25 Jul - 01 Aug	LOT
27 Jul - 03 Aug	Wizz Air

Also check the deals for one-way flights from Katowice to Porto in July.

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 Katowice to Porto in July from $208

Return flights