Cheapest return flights from Porto to Buenos Aires in October from 921€

Best time to book flights for Porto (OPO) to Buenos Aires (AEP) flights at AirHint

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

Return flights

09 Oct - 27 Nov Iberia
24 Oct - 28 Oct Ryanair
24 Oct - 27 Oct Ryanair
13 Oct - 26 Oct TAP
09 Oct - 22 Oct LATAM Airlines Group
13 Oct - 28 Oct TAP
23 Oct - 27 Oct Iberia
21 Oct - 28 Oct Ryanair
23 Oct - 28 Oct Iberia
23 Oct - 30 Oct LATAM Airlines Group
02 Oct - 01 Nov LATAM Airlines Group
23 Oct - 26 Oct SWISS
20 Oct - 05 Nov SWISS
20 Oct - 02 Nov SWISS
31 Oct - 06 Nov Vueling Airlines

Also check the deals for one-way flights from Porto to Buenos Aires in October.

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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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