Cheapest one-way flights from New York to Lisbon in September from 262€

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

One-Way flights

17 Sep Frontier Airlines
06 Sep Spirit Airlines
20 Sep Spirit Airlines
29 Sep United
27 Sep United
30 Sep United
12 Sep Spirit Airlines
11 Sep Spirit Airlines
14 Sep Porter Airlines (Canada) Ltd
21 Sep Porter Airlines (Canada) Ltd

Also check the deals for return 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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