Cheapest return flights from New York to Lisbon in September from 640€

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

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

Return flights

25 Sep - 01 Oct Air Canada
17 Sep - 24 Sep Air Canada
09 Sep - 16 Sep United
08 Sep - 18 Sep Air Canada
24 Sep - 05 Oct Air Canada
20 Sep - 04 Oct Air Canada
26 Sep - 05 Oct Air Canada
28 Sep - 05 Oct Air Canada
20 Sep - 05 Oct Air Canada
09 Sep - 25 Sep Air Canada
07 Sep - 18 Sep United
17 Sep - 21 Sep Air Canada
18 Sep - 21 Sep Air Canada
09 Sep - 15 Sep Air Canada
21 Sep - 04 Oct Air Canada
07 Sep - 15 Sep Air Canada
12 Sep - 20 Sep Air Canada

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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