AirHint found the following cheapest one-way flights from Porto (OPO) to Buenos Aires (AEP) in March 2026 (see full year).
One-Way flights
| 03 Mar | Vueling Airlines | ||
| 02 Mar | LATAM Airlines Group | ||
| 01 Mar | LATAM Airlines Group | ||
| 15 Mar | Vueling Airlines | ||
| 31 Mar | SWISS | ||
| 30 Mar | SWISS |
Also check the deals for return flights from Porto to Buenos Aires in March.
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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