AirHint found the following cheapest return flights from Barcelona (BCN) to Buenos Aires (EZE) in October 2025 (see full year).

Return flights

23 Oct - 30 Oct	Delta
23 Oct - 29 Oct	Delta
23 Oct - 08 Nov	Delta
23 Oct - 09 Nov	Delta
29 Oct - 25 Nov	Delta
23 Oct - 27 Nov	Delta
29 Oct - 15 Nov	Delta
25 Oct - 15 Nov	Delta
25 Oct - 16 Nov	Delta
25 Oct - 13 Nov	Delta
20 Oct - 01 Nov	Delta
20 Oct - 13 Nov	Delta
22 Oct - 29 Oct	Delta
12 Oct - 30 Oct	Delta
13 Oct - 31 Oct	Delta
22 Oct - 27 Oct	Delta
03 Oct - 26 Oct	Delta
28 Oct - 29 Oct	Delta
03 Oct - 16 Oct	Delta
04 Oct - 11 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 740€

Return flights