Cheapest return flights from Bilbao to San Jose in May from 672€

AirHint found the following cheapest return flights from Bilbao (BIO) to San Jose (SJO) in May 2026 (see full year).

Return flights

12 May - 23 May Iberia
22 May - 14 Jun Iberia
20 May - 12 Jun Iberia
07 May - 16 May Air Europa
04 May - 16 May Air Europa
14 May - 24 May Air Europa
23 May - 12 Jun Avianca
05 May - 22 May Iberia
03 May - 20 May Wizz Air UK

Also check the deals for one-way flights from Bilbao to San Jose in May.

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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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