Cheapest return flights from New York to Lisbon in September from $427

Best time to book flights for New York (NYC) to Lisbon (LIS) flights at AirHint

AirHint found the following cheapest return flights from New York (NYC) to Lisbon (LIS) in September 2025 (see full year).

Return flights

10 Sep - 16 Sep Norse Atlantic Airways
30 Sep - 16 Oct Iberia
28 Sep - 13 Oct Fly Play
04 Sep - 15 Sep Fly Play
09 Sep - 16 Sep Norse Atlantic Airways
10 Sep - 24 Sep Iberia
02 Sep - 12 Sep Iberia
15 Sep - 24 Sep Iberia
02 Sep - 08 Sep Fly Play
29 Sep - 07 Oct Iberia
10 Sep - 18 Sep Norse Atlantic Airways
15 Sep - 22 Sep FrenchBee
14 Sep - 18 Sep Norse Atlantic Airways
25 Sep - 01 Oct Norse Atlantic Airways (UK)
17 Sep - 02 Oct FrenchBee
30 Sep - 16 Oct TAP direct
25 Sep - 06 Oct FrenchBee
27 Sep - 04 Oct FrenchBee
25 Sep - 03 Oct Norse Atlantic Airways (UK)
29 Sep - 06 Oct TAP direct

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

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The deals are updated regularly. The prices may go up as tickets are purchased by other travellers. Only the cheapest flights are offered. Select a price to book and secure these cheap prices.

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