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

Return flights

05 May - 18 May	Air Canada
05 May - 11 May	Air Canada
08 May - 11 Jun	Lufthansa
08 May - 30 Jun	KLM
04 May - 10 Jun	Lufthansa
19 May - 03 Jun	Lufthansa
26 May - 15 Jun	Lufthansa
01 May - 20 May	Lufthansa
15 May - 30 May	Lufthansa
14 May - 30 May	Lufthansa
21 May - 18 Jun	KLM
02 May - 16 May	Lufthansa
01 May - 29 May	Air France
04 May - 29 May	KLM
29 May - 25 Jun	Lufthansa
02 May - 01 Jun	Lufthansa
05 May - 27 May	Lufthansa
07 May - 20 Jun	Lufthansa
19 May - 11 Jun	Lufthansa
02 May - 14 May	Air France

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 $922

Return flights