AirHint found the following cheapest one-way flights from Porto (OPO) to Buenos Aires (EZE) in March 2026 (see full year).
One-Way flights
| 08 Mar | Ryanair | ||
| 16 Mar | Air Europa | ||
| 17 Mar | Ryanair | ||
| 26 Mar | Ryanair | ||
| 13 Mar | KLM | ||
| 24 Mar | KLM | ||
| 19 Mar | Air France | ||
| 15 Mar | Air France | ||
| 31 Mar | Air France | ||
| 21 Mar | Air France |
Also check the deals for return flights from Porto to Buenos Aires in March.
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