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

Return flights

26 Mar - 18 Apr	Air Canada
09 Mar - 23 Mar	Delta
01 Mar - 22 Mar	Delta
08 Mar - 23 Mar	Delta
09 Mar - 22 Mar	Delta
01 Mar - 18 Mar	Delta
01 Mar - 15 Mar	Delta
28 Mar - 18 Apr	Air Canada
25 Mar - 18 Apr	Air Canada
03 Mar - 23 Mar	Delta
03 Mar - 16 Mar	Delta
26 Mar - 05 Apr	Air France
10 Mar - 18 Mar	Delta
03 Mar - 15 Mar	Delta
23 Mar - 05 Apr	Air France
29 Mar - 27 Apr	Air Canada
19 Mar - 15 Apr	Iberia
18 Mar - 01 Apr	Iberia
19 Mar - 15 Apr	Iberia For Level	direct
27 Mar - 07 Apr	LATAM Airlines Group

Also check the deals for one-way flights from Barcelona 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 Barcelona to Buenos Aires in March from $845

Return flights