AirHint found the following cheapest return flights from Porto (OPO) to Buenos Aires (AEP) in August 2026 (see full year).
Return flights
| 24 Aug - 30 Sep | SWISS | ||
| 26 Aug - 09 Sep | easyJet | ||
| 28 Aug - 14 Sep | TAP | ||
| 29 Aug - 14 Sep | SWISS | ||
| 04 Aug - 19 Aug | Air Transat | ||
| 01 Aug - 12 Aug | TAP | ||
| 03 Aug - 29 Aug | TAP | ||
| 01 Aug - 29 Aug | Ryanair |
Also check the deals for one-way flights from Porto to Buenos Aires in August.
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