Cheapest one-way flights from New York to Lisbon in September from $302

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

One-Way flights

10 Sep Frontier Airlines
20 Sep Air Canada
03 Sep Air Canada
30 Sep Air Canada
07 Sep Air Canada
29 Sep United
18 Sep Air Canada
14 Sep Porter Airlines (Canada) Ltd
17 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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