AirHint found the following cheapest one-way flights from New York (JFK) to Lisbon (LIS) in September 2026 (see full year).
One-Way flights
| 23 Sep | Norse Atlantic Airways (UK) | ||
| 28 Sep | United | ||
| 25 Sep | Norse Atlantic Airways (UK) | ||
| 28 Sep | TAP | direct | |
| 05 Sep | TAP | direct | |
| 04 Sep | Aer Lingus | ||
| 23 Sep | Delta | direct | |
| 25 Sep | Delta | direct | |
| 04 Sep | TAP | direct |
Also check the deals for return flights from New York to Lisbon in September.
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