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

Return flights

03 Mar - 26 Mar	Vueling Airlines
11 Mar - 26 Mar	Vueling Airlines
02 Mar - 16 Mar	Royal Air Maroc
04 Mar - 12 Mar	Vueling Airlines
08 Mar - 17 Mar	Ryanair
03 Mar - 10 Mar	Vueling Airlines
03 Mar - 17 Mar	Vueling Airlines
03 Mar - 19 Mar	Vueling Airlines
02 Mar - 23 Mar	Ryanair
27 Mar - 10 Apr	Iberia
09 Mar - 23 Mar	Ryanair
27 Mar - 07 Apr	Iberia
09 Mar - 10 Apr	Ryanair
27 Mar - 11 Apr	Iberia
26 Mar - 10 Apr	Vueling Airlines
26 Mar - 18 Apr	Royal Air Maroc
26 Mar - 11 Apr	Vueling Airlines
28 Mar - 10 Apr	Vueling Airlines
27 Mar - 12 Apr	Iberia
22 Mar - 12 Apr	Ryanair

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 $991

Return flights