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

Return flights

03 Jun - 29 Jul	Lufthansa
09 Jun - 15 Jun	Air France
04 Jun - 15 Jun	Air France
05 Jun - 27 Jun	Lufthansa
03 Jun - 25 Jun	Lufthansa
02 Jun - 09 Jun	Lufthansa
03 Jun - 08 Jun	Lufthansa
26 Jun - 29 Jul	SWISS
02 Jun - 29 Jun	Lufthansa
03 Jun - 01 Jul	Lufthansa
06 Jun - 10 Jun	Lufthansa
04 Jun - 08 Jul	Lufthansa
10 Jun - 21 Jul	Lufthansa
02 Jun - 30 Jun	Lufthansa
11 Jun - 18 Jun	KLM
10 Jun - 09 Jul	Lufthansa
12 Jun - 23 Jul	SWISS
11 Jun - 20 Jul	Lufthansa
26 Jun - 21 Jul	ITA Airways
22 Jun - 05 Jul	Turkish Airlines

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

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 June from 657€

Return flights