Cheapest return flights from Bilbao to Buenos Aires in December from 1166€

AirHint found the following cheapest return flights from Bilbao (BIO) to Buenos Aires (AEP) in December 2025 (see full year).

Return flights

04 Dec - 13 Dec Iberia
12 Dec - 03 Jan Vueling Airlines
25 Dec - 07 Jan Vueling Airlines
16 Dec - 08 Jan Air Europa
21 Dec - 04 Jan Vueling Airlines
21 Dec - 05 Jan Vueling Airlines
19 Dec - 03 Jan TAP
20 Dec - 03 Jan TAP
19 Dec - 04 Jan Vueling Airlines
20 Dec - 02 Jan Air Europa
20 Dec - 04 Jan TAP

Also check the deals for one-way flights from Bilbao to Buenos Aires 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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