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

Return flights

10 Mar - 23 Mar	Ryanair
09 Mar - 23 Mar	Ryanair
08 Mar - 23 Mar	Ryanair
01 Mar - 15 Mar	Ryanair
05 Mar - 12 Mar	Ryanair
10 Mar - 22 Mar	Ryanair
09 Mar - 22 Mar	Aer Lingus
12 Mar - 26 Mar	Aer Lingus
08 Mar - 22 Mar	Ryanair
11 Mar - 27 Mar	Aer Lingus
31 Mar - 14 Apr	WestJet
30 Mar - 14 Apr	Aer Lingus
31 Mar - 13 Apr	WestJet
30 Mar - 13 Apr	Aer Lingus
23 Mar - 06 Apr	Ryanair
20 Mar - 04 Apr	Aer Lingus
22 Mar - 04 Apr	Ryanair
30 Mar - 12 Apr	Aer Lingus
21 Mar - 04 Apr	Aer Lingus
29 Mar - 12 Apr	Vueling Airlines

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 $1100

Return flights