Cheapest return flights from New York to Lisbon in September from 488€

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

Return flights

21 Sep - 30 Sep United
22 Sep - 28 Sep United
04 Sep - 11 Sep Air Transat
23 Sep - 30 Sep United
30 Sep - 07 Oct United
03 Sep - 08 Sep Air Transat
10 Sep - 17 Sep Air Transat
04 Sep - 13 Sep Air Transat
15 Sep - 22 Sep United
25 Sep - 30 Sep United
10 Sep - 22 Sep United
03 Sep - 05 Oct United
26 Sep - 10 Oct Lufthansa

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

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