Cheapest one-way flights from New York to Porto in September from 424€

Best time to book flights for New York (LGA) to Porto (OPO) flights at AirHint

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

One-Way flights

26 Sep Air Transat
11 Sep Air Transat
10 Sep Air Transat
03 Sep Air Transat
13 Sep Delta
18 Sep United
25 Sep United

Also check the deals for return flights from New York to Porto 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 Porto

Cheap car rent in Porto