Cheapest one-way flights from New York to Lisbon in September from 292€

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

One-Way flights

26 Sep Frontier Airlines
27 Sep Spirit Airlines
30 Sep Porter Airlines (Canada) Ltd
28 Sep Porter Airlines (Canada) Ltd
25 Sep Spirit Airlines
16 Sep Lufthansa
22 Sep Spirit Airlines
20 Sep Porter Airlines (Canada) Ltd
10 Sep Spirit Airlines
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.

Book a cheap hotel in Lisbon

Cheap car rent in Lisbon

Feel free to contact us with any feedback or request another flight research.