Cheapest return flights from Porto to Buenos Aires in September from 913€

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

Return flights

01 Sep - 06 Oct Azul Airlines
01 Sep - 30 Sep Air Europa
09 Sep - 22 Sep Air Europa
11 Sep - 04 Oct Ryanair
12 Sep - 28 Sep Azul Airlines
11 Sep - 21 Sep TAP
04 Sep - 21 Sep TAP
01 Sep - 16 Sep Air Europa
04 Sep - 20 Sep Ryanair
05 Sep - 21 Sep Ryanair
04 Sep - 11 Sep Air Europa
08 Sep - 17 Sep TAP

Also check the deals for one-way flights from Porto 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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