Cheapest return flights from New York to Lisbon in September from $681

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

22 Sep - 29 Sep Air Transat
18 Sep - 25 Sep Air Transat
04 Sep - 12 Sep Air Transat
01 Sep - 09 Sep Air Transat
17 Sep - 29 Sep Air Transat
04 Sep - 09 Sep Air Transat
11 Sep - 26 Sep Air Transat
04 Sep - 08 Sep Air Transat
04 Sep - 15 Sep Air Transat
17 Sep - 19 Sep Air Transat
23 Sep - 07 Oct Air Canada
27 Sep - 11 Oct Air Canada

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

Skyscanner

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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