AirHint found the following cheapest return flights from Porto (OPO) to Buenos Aires (EZE) in October 2026 (see full year).
Return flights
| 21 Oct - 31 Oct | Ryanair | ||
| 12 Oct - 31 Oct | Air Europa | ||
| 20 Oct - 07 Nov | Iberia | ||
| 24 Oct - 28 Nov | Iberia | ||
| 10 Oct - 16 Oct | Air Europa | ||
| 31 Oct - 15 Nov | Iberia |
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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