AirHint found the following cheapest return flights from New York (NYC) to Porto (OPO) in December 2025 (see full year).
Return flights
| 26 Dec - 28 Dec | Air Europa | ||
| 25 Dec - 01 Jan | Brussels Airlines | ||
| 25 Dec - 05 Jan | Lufthansa | ||
| 28 Dec - 04 Jan | Lufthansa | ||
| 29 Dec - 05 Jan | TAP | direct | |
| 26 Dec - 28 Dec | TAP | direct | |
| 25 Dec - 01 Jan | TAP | direct |
Also check the deals for one-way flights from New York to Porto in December.
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