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

Return flights

07 Oct - 13 Oct	Ryanair
27 Oct - 03 Nov	Turkish Airlines
10 Oct - 19 Oct	Aer Lingus
31 Oct - 10 Nov	Ryanair
24 Oct - 01 Nov	Transavia France
25 Oct - 02 Nov	Air France
29 Oct - 05 Nov	KLM
25 Oct - 05 Nov	Air France
31 Oct - 11 Nov	Turkish Airlines
30 Oct - 10 Nov	Lufthansa
25 Oct - 06 Nov	TAP
15 Oct - 19 Oct	Vueling Airlines
21 Oct - 01 Nov	Air Canada
17 Oct - 25 Oct	Air Canada
01 Oct - 26 Oct	SWISS
19 Oct - 23 Oct	Air Canada
12 Oct - 31 Oct	SWISS
24 Oct - 31 Oct	LATAM Airlines Group
04 Oct - 17 Oct	LATAM Airlines Group
10 Oct - 13 Oct	Air Canada

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 981€

Return flights