AirHint found the following cheapest return flights from Bilbao (BIO) to San Jose (SJO) in May 2026 (see full year).
Return flights
| 26 May - 06 Jun | Iberia | ||
| 16 May - 05 Jun | Iberia | ||
| 28 May - 14 Jun | Iberia | ||
| 30 May - 16 Jun | Lufthansa | ||
| 18 May - 07 Jun | Aeromexico | ||
| 09 May - 16 May | Air Europa | ||
| 08 May - 15 May | Iberia |
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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