Cheapest return flights from New York to Lisbon in September from $424

AirHint found the following cheapest return flights from New York (NYC) to Lisbon (LIS) in September 2026 (see full year).

Return flights

23 Sep - 28 Sep LEVEL
21 Sep - 30 Sep Iberia
12 Sep - 19 Sep Scandinavian Airlines
01 Sep - 10 Sep TAP
17 Sep - 26 Sep Air Europa
02 Sep - 10 Sep TAP
02 Sep - 09 Sep TAP
03 Sep - 10 Sep TAP
05 Sep - 13 Sep Scandinavian Airlines
02 Sep - 10 Sep TAP direct

Also check the deals for one-way flights from New York to Lisbon in September.

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