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

Return flights

04 May - 18 May	Air Canada
27 May - 09 Jun	Lufthansa
16 May - 27 May	Lufthansa
21 May - 04 Jun	Lufthansa
12 May - 20 May	Air Canada
19 May - 02 Jun	SWISS
07 May - 04 Jun	British Airways
10 May - 28 May	Lufthansa
07 May - 18 May	Air France
28 May - 13 Jun	British Airways
10 May - 17 May	Delta
01 May - 08 May	British Airways
04 May - 10 May	Delta
01 May - 11 May	Lufthansa
10 May - 14 May	Iberia

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

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 May from 745€

Return flights