AirHint found the following cheapest return flights from Dublin (DUB) to Buenos Aires (AEP) in January 2026 (see full year).

Return flights

21 Jan - 05 Feb	Iberia Express
19 Jan - 27 Feb	Ryanair
24 Jan - 07 Feb	Aer Lingus
19 Jan - 08 Feb	Ryanair
18 Jan - 26 Feb	Ryanair
23 Jan - 28 Feb	Ryanair
25 Jan - 12 Feb	Ryanair
26 Jan - 11 Feb	Ryanair
17 Jan - 23 Jan	Aer Lingus
17 Jan - 24 Jan	Aer Lingus
30 Jan - 28 Feb	Ryanair
31 Jan - 28 Feb	Ryanair
01 Jan - 19 Jan	Aer Lingus
16 Jan - 18 Jan	Ryanair
09 Jan - 11 Jan	Turkish Airlines
09 Jan - 27 Jan	LATAM Airlines Group

Also check the deals for one-way flights from Dublin to Buenos Aires in January.

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 January from 922€

Return flights