Cheapest return flights from New York to Lisbon in September from 326€

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

Return flights

22 Sep - 29 Sep Iberia For Level
23 Sep - 01 Oct Iberia For Level
20 Sep - 26 Sep Iberia For Level
26 Sep - 29 Sep Iberia For Level
22 Sep - 30 Sep Iberia For Level
27 Sep - 01 Oct Iberia For Level
28 Sep - 12 Oct Iberia For Level
30 Sep - 16 Oct Iberia For Level
27 Sep - 04 Oct Iberia For Level
15 Sep - 26 Sep Iberia For Level
03 Sep - 08 Sep Iberia For Level
03 Sep - 15 Sep Iberia For Level
03 Sep - 11 Sep Iberia For Level
01 Sep - 08 Sep Iberia For Level
06 Sep - 16 Sep Iberia For Level
15 Sep - 16 Oct Iberia For Level
27 Sep - 05 Oct Icelandair
24 Sep - 02 Oct Icelandair
02 Sep - 14 Oct Iberia For Level
23 Sep - 21 Oct Iberia

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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