AirHint found the following cheapest one-way flights from Porto (OPO) to Buenos Aires (AEP) in May 2026 (see full year).
One-Way flights
| 07 May | Ryanair | ||
| 10 May | Azul Airlines | ||
| 30 May | Air Europa | ||
| 20 May | Vueling Airlines | ||
| 21 May | LATAM Airlines Group | ||
| 28 May | LATAM Airlines Group | ||
| 31 May | TAP |
Also check the deals for return flights from Porto to Buenos Aires in May.
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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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