AirHint found the following cheapest one-way flights from New York (JFK) to Lisbon (LIS) in September 2026 (see full year).
One-Way flights
| 21 Sep | Icelandair | ||
| 29 Sep | Icelandair | ||
| 28 Sep | Icelandair | ||
| 13 Sep | Icelandair | ||
| 10 Sep | Icelandair | ||
| 19 Sep | LEVEL | ||
| 17 Sep | Icelandair | ||
| 30 Sep | Norse Atlantic Airways | ||
| 07 Sep | KLM | ||
| 18 Sep | Norse Atlantic Airways (UK) |
Also check the deals for return flights from New York to Lisbon in September.
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