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

Return flights

06 Dec - 10 Dec	Ryanair
04 Dec - 12 Dec	Ryanair
04 Dec - 16 Dec	Ryanair
05 Dec - 16 Dec	Ryanair
12 Dec - 21 Jan	Ryanair
10 Dec - 24 Dec	Air Canada
30 Dec - 22 Jan	Turkish Airlines
23 Dec - 27 Jan	Ryanair
23 Dec - 29 Jan	Ryanair
12 Dec - 23 Jan	Ryanair
29 Dec - 22 Jan	Ryanair
15 Dec - 26 Jan	Ryanair
15 Dec - 25 Jan	Ryanair
22 Dec - 20 Jan	Ryanair
31 Dec - 16 Jan	Turkish Airlines
12 Dec - 19 Dec	Aer Lingus
08 Dec - 28 Dec	Ryanair
13 Dec - 20 Dec	Ryanair
04 Dec - 19 Dec	Ryanair
15 Dec - 28 Dec	Ryanair

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.

Book a cheap hotel in Buenos Aires

Cheap car rent in Buenos Aires

Cheapest return flights from Dublin to Buenos Aires in December from 910€

Return flights