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

Return flights

22 Apr - 20 May	Air Canada
14 Apr - 11 May	Air Canada
14 Apr - 04 May	Air Canada
08 Apr - 29 Apr	Air Canada
01 Apr - 06 Apr	Air Canada
22 Apr - 06 May	Air Canada
01 Apr - 15 Apr	Air Canada
08 Apr - 20 Apr	Air Canada
01 Apr - 20 Apr	Air Canada
10 Apr - 29 Apr	Air Canada
09 Apr - 25 Apr	Ryanair
27 Apr - 12 May	Ryanair
08 Apr - 11 May	Vueling Airlines
12 Apr - 25 Apr	Vueling Airlines
05 Apr - 19 Apr	Vueling Airlines
02 Apr - 11 Apr	Royal Air Maroc
20 Apr - 04 May	SWISS
15 Apr - 31 May	Vueling Airlines
30 Apr - 15 May	LATAM Airlines Group
22 Apr - 19 May	Vueling Airlines

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 $962

Return flights