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

Return flights

26 Oct - 14 Nov	Delta
26 Oct - 16 Nov	Delta
26 Oct - 08 Nov	Delta
31 Oct - 07 Nov	Delta
08 Oct - 29 Oct	Delta
06 Oct - 26 Oct	Delta
13 Oct - 28 Oct	Delta
13 Oct - 23 Oct	Delta
13 Oct - 27 Oct	Delta
14 Oct - 27 Oct	Delta
14 Oct - 21 Oct	Delta
20 Oct - 10 Nov	Delta
23 Oct - 03 Nov	Delta
30 Oct - 03 Nov	Delta
01 Oct - 21 Oct	Delta
01 Oct - 26 Oct	Delta
01 Oct - 01 Nov	Delta
09 Oct - 12 Oct	Ryanair
18 Oct - 15 Nov	Ryanair
25 Oct - 08 Nov	Delta

Also check the deals for one-way flights from Dublin 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 Dublin to Buenos Aires in October from $1030

Return flights