AirHint found the following cheapest return flights from Bilbao (BIO) to Buenos Aires (EZE) in March 2026 (see full year).

Return flights

11 Mar - 24 Mar	LATAM Airlines Group
09 Mar - 25 Mar	LATAM Airlines Group
15 Mar - 25 Mar	LATAM Airlines Group
14 Mar - 28 Mar	LEVEL
07 Mar - 15 Mar	LATAM Airlines Group
13 Mar - 28 Mar	Iberia
07 Mar - 25 Mar	Turkish Airlines
03 Mar - 17 Mar	Iberia
14 Mar - 29 Mar	LATAM Airlines Group
08 Mar - 20 Mar	Iberia
27 Mar - 09 Apr	TAP
19 Mar - 12 Apr	Turkish Airlines
23 Mar - 10 Apr	Iberia
26 Mar - 07 Apr	Iberia
26 Mar - 06 Apr	Iberia
26 Mar - 10 Apr	Vueling Airlines
28 Mar - 11 Apr	Air Europa
27 Mar - 06 Apr	Iberia
28 Mar - 13 Apr	Iberia
28 Mar - 12 Apr	Iberia

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

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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Cheapest return flights from Bilbao to Buenos Aires in March from $858

Return flights