AirHint found the following cheapest return flights from Porto (OPO) to Buenos Aires (EZE) in December 2026 (see full year).
Return flights
| 23 Dec - 31 Dec | Turkish Airlines | ||
| 23 Dec - 27 Dec | Turkish Airlines | ||
| 01 Dec - 31 Dec | Ryanair | ||
| 18 Dec - 07 Jan | KLM |
Also check the deals for one-way flights from Porto to Buenos Aires in December.
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