AirHint found the following cheapest one-way flights from New York (LGA) to Porto (OPO) in September 2026 (see full year).
One-Way flights
| 30 Sep | Porter Airlines (Canada) Ltd | ||
| 04 Sep | Air Transat | ||
| 14 Sep | Air Transat | ||
| 01 Sep | American Airlines |
Also check the deals for return flights from New York to Porto in September.
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