Cheapest one-way flights from New York to Porto in September from 295€

AirHint found the following cheapest one-way flights from New York (LGA) to Porto (OPO) in September 2026 (see full year).

One-Way flights

14 Sep KLM
20 Sep Air Transat

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

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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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