Cheapest return flights from Bilbao to San Jose in December from 675€

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

Return flights

03 Dec - 14 Jan Vueling Airlines
04 Dec - 13 Dec Vueling Airlines
09 Dec - 13 Jan Vueling Airlines
06 Dec - 14 Dec Vueling Airlines
04 Dec - 06 Jan Vueling Airlines
27 Dec - 22 Jan Vueling Airlines
06 Dec - 18 Dec Vueling Airlines
17 Dec - 07 Jan Vueling Airlines
01 Dec - 16 Dec Air France
26 Dec - 05 Jan TAP
26 Dec - 03 Jan Vueling Airlines

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

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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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