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

Return flights

01 Mar - 08 Mar	Ryanair
11 Mar - 30 Mar	Ryanair
02 Mar - 09 Mar	Ryanair
02 Mar - 16 Mar	Ryanair
07 Mar - 20 Mar	Ryanair
07 Mar - 15 Mar	Ryanair
13 Mar - 29 Mar	Ryanair
03 Mar - 24 Mar	Ryanair
08 Mar - 15 Mar	Ryanair
07 Mar - 21 Mar	TAP
30 Mar - 21 Apr	Ryanair
21 Mar - 20 Apr	Ryanair
12 Mar - 14 Apr	Ryanair
02 Mar - 13 Apr	Ryanair
01 Mar - 12 Apr	Ryanair
23 Mar - 09 Apr	Ryanair
15 Mar - 15 Apr	Ryanair
29 Mar - 10 Apr	Ryanair
20 Mar - 03 Apr	Ryanair
20 Mar - 04 Apr	Ryanair

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

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 March from $1023

Return flights