AirHint found the following cheapest return flights from Krakow (KRK) to Castellón (CDT) in October 2025 (see full year).

Return flights

16 Oct - 23 Oct	Ryanair	direct
06 Oct - 23 Oct	Ryanair	direct
20 Oct - 23 Oct	Ryanair	direct
09 Oct - 23 Oct	Ryanair	direct
16 Oct - 20 Oct	Ryanair	direct
06 Oct - 20 Oct	Ryanair	direct
06 Oct - 09 Oct	Ryanair	direct
09 Oct - 20 Oct	Ryanair	direct
13 Oct - 23 Oct	Ryanair	direct
13 Oct - 20 Oct	Ryanair	direct

Also check the deals for one-way flights from Krakow to Castellón in October.

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 Krakow to Castellón in October from 66€

Return flights