Cheapest return flights from Dublin to Buenos Aires in September from $1108

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

Return flights

16 Sep - 07 Oct Ryanair
16 Sep - 29 Sep Ryanair
10 Sep - 24 Sep Ryanair
09 Sep - 24 Sep Ryanair
07 Sep - 22 Sep Ryanair
09 Sep - 19 Sep Ryanair
02 Sep - 16 Sep Ryanair
01 Sep - 08 Sep Ryanair
01 Sep - 22 Sep Ryanair
25 Sep - 07 Oct Ryanair
04 Sep - 10 Sep Aer Lingus
03 Sep - 24 Sep Ryanair
24 Sep - 07 Oct KLM

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

Skyscanner

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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