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

Return flights

22 Jan - 26 Feb	Ryanair
21 Jan - 25 Feb	Ryanair
21 Jan - 26 Feb	Ryanair
21 Jan - 05 Feb	Ryanair
26 Jan - 11 Feb	Ryanair
26 Jan - 09 Feb	Ryanair
27 Jan - 11 Feb	Ryanair
19 Jan - 28 Jan	Aer Lingus
31 Jan - 06 Feb	Ryanair
19 Jan - 24 Feb	Ryanair
27 Jan - 10 Feb	Aer Lingus
12 Jan - 28 Jan	Ryanair
21 Jan - 28 Jan	Ryanair
24 Jan - 31 Jan	Ryanair
22 Jan - 29 Jan	Ryanair
11 Jan - 31 Jan	Ryanair
24 Jan - 28 Jan	Aer Lingus
10 Jan - 31 Jan	Ryanair
13 Jan - 20 Jan	Aer Lingus
10 Jan - 25 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.

Book a cheap hotel in Buenos Aires

Cheap car rent in Buenos Aires

Cheapest return flights from Dublin to Buenos Aires in January from $1140

Return flights