AirHint found the following cheapest return flights from Porto (OPO) to Buenos Aires (AEP) in October 2025 (see full year).
Return flights
| 15 Oct - 24 Oct | TAP | ||
| 11 Oct - 20 Oct | TAP | ||
| 21 Oct - 28 Oct | LATAM Airlines Group | ||
| 01 Oct - 01 Nov | TAP | ||
| 14 Oct - 21 Oct | LATAM Airlines Group | ||
| 17 Oct - 25 Oct | Royal Air Maroc | ||
| 15 Oct - 22 Oct | Vueling Airlines |
Also check the deals for one-way flights from Porto to Buenos Aires in October.
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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