AirHint found the following cheapest return flights from New York (JFK) to Lisbon (LIS) in December 2026 (see full year).
Return flights
| 26 Dec - 31 Dec | Aer Lingus | ||
| 19 Dec - 27 Dec | Azores Airlines | ||
| 26 Dec - 31 Dec | TAP | direct | |
| 18 Dec - 28 Dec | Air Europa | ||
| 18 Dec - 28 Dec | TAP | direct | |
| 19 Dec - 27 Dec | TAP | direct |
Also check the deals for one-way flights from New York to Lisbon in December.
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