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

Return flights

05 May - 30 Jun	Lufthansa
25 May - 17 Jun	Lufthansa
13 May - 15 Jun	Lufthansa
26 May - 15 Jun	Lufthansa
04 May - 18 May	Air Canada
12 May - 14 Jun	Lufthansa
04 May - 08 Jun	Lufthansa
01 May - 01 Jun	Lufthansa
25 May - 18 Jun	KLM
26 May - 18 Jun	Air France
19 May - 08 Jun	Lufthansa
04 May - 28 May	Lufthansa
05 May - 29 May	Lufthansa
10 May - 29 May	Lufthansa
03 May - 29 May	Lufthansa
01 May - 29 May	Lufthansa
13 May - 20 May	Lufthansa
01 May - 20 May	Lufthansa
11 May - 25 May	Delta
16 May - 23 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 658€

Return flights