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

Return flights

26 Oct - 12 Nov	LEVEL	direct
27 Oct - 12 Nov	LEVEL	direct
30 Oct - 21 Nov	LEVEL	direct
30 Oct - 17 Nov	LEVEL	direct
28 Oct - 30 Nov	Iberia	direct
03 Oct - 17 Oct	Iberia
26 Oct - 10 Nov	Iberia	direct
21 Oct - 11 Nov	LEVEL	direct
23 Oct - 11 Nov	LEVEL	direct
02 Oct - 22 Oct	Air Canada
23 Oct - 10 Nov	Turkish Airlines
05 Oct - 24 Oct	Iberia
01 Oct - 22 Oct	Turkish Airlines
02 Oct - 20 Oct	Turkish Airlines
15 Oct - 25 Nov	Turkish Airlines
01 Oct - 15 Oct	Turkish Airlines
15 Oct - 23 Oct	LEVEL	direct
14 Oct - 23 Oct	LEVEL	direct
01 Oct - 18 Oct	Lufthansa
01 Oct - 16 Oct	Lufthansa

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

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 October from $1012

Return flights