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

Return flights

12 May - 25 May	Air Canada
05 May - 25 May	Air Canada
01 May - 16 May	Air Canada
05 May - 18 May	Air Canada
08 May - 18 May	Air Canada
12 May - 18 May	Air Canada
01 May - 14 May	Air Canada
01 May - 06 May	Air Canada
19 May - 18 Jun	KLM
25 May - 08 Jun	Air France
26 May - 15 Jun	Air France
23 May - 15 Jun	Air France
26 May - 10 Jun	Iberia For Level	direct
19 May - 18 Jun	Iberia For Level	direct
26 May - 15 Jun	Iberia For Level	direct
05 May - 03 Jun	Iberia For Level	direct
10 May - 29 Jun	KLM
11 May - 30 Jun	Air France
01 May - 08 May	Lufthansa
14 May - 21 May	Lufthansa

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

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 May from 677€

Return flights