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

Return flights

24 Dec - 19 Jan	Delta
30 Dec - 27 Jan	Delta
24 Dec - 18 Jan	Delta
24 Dec - 14 Jan	Delta
23 Dec - 23 Jan	Delta
08 Dec - 28 Dec	Delta
10 Dec - 15 Dec	Ryanair
24 Dec - 16 Jan	Delta
12 Dec - 21 Jan	Delta
31 Dec - 19 Jan	Ryanair
11 Dec - 19 Jan	Delta
29 Dec - 18 Jan	Delta
12 Dec - 15 Dec	Ryanair
10 Dec - 17 Dec	Delta
08 Dec - 20 Dec	Air France
13 Dec - 20 Dec	TAP
15 Dec - 28 Dec	Delta
11 Dec - 18 Dec	KLM
16 Dec - 30 Dec	Ryanair
17 Dec - 30 Dec	Delta

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 1012€

Return flights