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

Return flights

15 Apr - 29 Apr	Air Canada
14 Apr - 29 Apr	Air Canada
21 Apr - 29 Apr	Air Canada
21 Apr - 18 May	Air Canada
15 Apr - 22 Apr	Air Canada
08 Apr - 29 Apr	Air Canada
01 Apr - 29 Apr	Air Canada
01 Apr - 30 Apr	Avianca
01 Apr - 22 Apr	Avianca
01 Apr - 14 Apr	Avianca
01 Apr - 04 May	Air Canada
07 Apr - 13 Apr	Iberia
13 Apr - 14 May	Iberia
14 Apr - 11 May	Royal Air Maroc
28 Apr - 11 May	Royal Air Maroc
21 Apr - 13 May	Iberia
09 Apr - 08 May	Iberia
07 Apr - 01 May	Iberia
08 Apr - 15 May	Iberia
27 Apr - 05 May	Avianca

Also check the deals for one-way flights from Barcelona to Buenos Aires in April.

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 April from $894

Return flights