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

Return flights

02 Dec - 09 Dec	Delta
31 Dec - 21 Jan	Delta
24 Dec - 19 Jan	Delta
01 Dec - 13 Dec	Ryanair
03 Dec - 22 Dec	Delta
31 Dec - 19 Jan	Delta
24 Dec - 16 Jan	Delta
06 Dec - 13 Dec	Ryanair
06 Dec - 16 Dec	Iberia
08 Dec - 28 Dec	Delta
07 Dec - 18 Dec	Iberia
10 Dec - 15 Jan	Delta
03 Dec - 17 Dec	British Airways
29 Dec - 20 Jan	Delta
28 Dec - 21 Jan	Delta
24 Dec - 12 Jan	Delta
01 Dec - 16 Jan	Delta
30 Dec - 19 Jan	Ryanair
05 Dec - 20 Dec	Iberia
11 Dec - 21 Dec	KLM

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

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 December from 899€

Return flights