Cheapest return flights from Bilbao to San Jose in December from $1225

AirHint found the following cheapest return flights from Bilbao (BIO) to San Jose (SJO) in December 2025 (see full year).

Return flights

18 Dec - 24 Dec Vueling Airlines
23 Dec - 02 Jan Vueling Airlines
16 Dec - 03 Jan Vueling Airlines
20 Dec - 03 Jan Vueling Airlines

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

Skyscanner

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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