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

Return flights

07 Oct - 21 Oct	Air Canada
07 Oct - 19 Oct	Air Canada
06 Oct - 19 Oct	Air Canada
06 Oct - 16 Nov	Delta
22 Oct - 10 Nov	Delta
06 Oct - 04 Nov	Delta
27 Oct - 05 Nov	Delta
06 Oct - 03 Nov	Delta
30 Oct - 16 Nov	LEVEL	direct
22 Oct - 05 Nov	Delta
29 Oct - 25 Nov	LEVEL	direct
05 Oct - 25 Oct	Turkish Airlines
05 Oct - 18 Oct	Delta
30 Oct - 15 Nov	LEVEL	direct
29 Oct - 14 Nov	LEVEL	direct
06 Oct - 25 Oct	Delta
09 Oct - 18 Oct	Turkish Airlines
05 Oct - 23 Oct	Turkish Airlines
13 Oct - 26 Oct	Turkish Airlines
13 Oct - 27 Oct	Turkish Airlines

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 $724

Return flights