Cheapest return flights from Castellón to Bilbao in January from 109€

AirHint found the following cheapest return flights from Castellón (CDT) to Bilbao (BIO) in January 2026 (see full year).

Return flights

12 Jan - 18 Jan Iberia
29 Jan - 01 Feb Iberia
16 Jan - 18 Jan Iberia
23 Jan - 30 Jan Iberia

Also check the deals for one-way flights from Castellón to Bilbao in January.

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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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