Cheapest return flights from Bilbao to Buenos Aires in December from $1187

Best time to book flights for Bilbao (BIO) to Buenos Aires (AEP) flights at AirHint

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

Return flights

01 Dec - 28 Dec LATAM Airlines Group
25 Dec - 31 Jan LATAM Airlines Group
12 Dec - 31 Dec LATAM Airlines Group
20 Dec - 31 Dec LATAM Airlines Group
21 Dec - 05 Jan Iberia
18 Dec - 04 Jan Air Europa
04 Dec - 26 Dec Iberia
27 Dec - 03 Jan LATAM Airlines Group
28 Dec - 04 Jan LATAM Airlines Group
25 Dec - 04 Jan LATAM Airlines Group
26 Dec - 03 Jan Vueling Airlines
19 Dec - 04 Jan Vueling Airlines
20 Dec - 05 Jan Iberia

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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