AirHint found the following cheapest return flights from Porto (OPO) to Buenos Aires (AEP) in April 2026 (see full year).
Return flights
| 10 Apr - 31 May | Ryanair | ||
| 14 Apr - 24 Apr | Ryanair | ||
| 09 Apr - 29 Apr | TAP | ||
| 02 Apr - 05 Apr | TAP |
Also check the deals for one-way flights from Porto to Buenos Aires in April.
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