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

Return flights

18 Jan - 08 Feb	Ryanair
13 Jan - 30 Jan	Aer Lingus
16 Jan - 31 Jan	Ryanair
23 Jan - 04 Feb	Ryanair
16 Jan - 30 Jan	Ryanair
15 Jan - 30 Jan	Ryanair
16 Jan - 02 Feb	Ryanair
22 Jan - 04 Feb	Ryanair
21 Jan - 04 Feb	Ryanair
30 Jan - 15 Feb	Ryanair
23 Jan - 05 Feb	Ryanair
01 Jan - 22 Jan	Ryanair
16 Jan - 01 Feb	Ryanair
31 Jan - 15 Feb	TAP
22 Jan - 05 Feb	Ryanair
04 Jan - 23 Jan	Vueling Airlines
17 Jan - 20 Jan	Aer Lingus
09 Jan - 14 Jan	Ryanair
02 Jan - 16 Jan	Vueling Airlines
02 Jan - 07 Jan	Ryanair

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 $1103

Return flights