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

Return flights

07 Oct - 19 Oct	Air Canada
07 Oct - 21 Oct	Air Canada
07 Oct - 14 Oct	Air Canada
07 Oct - 15 Oct	Air Canada
13 Oct - 22 Oct	Air Canada
27 Oct - 30 Nov	Delta
27 Oct - 16 Nov	Delta
06 Oct - 26 Oct	Delta
27 Oct - 17 Nov	Delta
27 Oct - 13 Nov	Delta
27 Oct - 12 Nov	Delta
09 Oct - 15 Oct	Air Canada
27 Oct - 03 Nov	Delta
01 Oct - 28 Oct	Delta
08 Oct - 15 Oct	Delta
27 Oct - 03 Nov	LEVEL	direct
27 Oct - 17 Nov	LEVEL	direct
27 Oct - 18 Nov	LEVEL	direct
27 Oct - 16 Nov	LEVEL	direct
02 Oct - 16 Oct	Delta

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 612€

Return flights