Cheapest one-way flights from New York to Porto in September from $358

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

03 Sep Air Canada
22 Sep Porter Airlines (Canada) Ltd
07 Sep Air Transat
08 Sep Air Transat
10 Sep Air Transat
15 Sep Air Transat
12 Sep Porter Airlines (Canada) Ltd
11 Sep Air Transat
14 Sep Air Transat
13 Sep Porter Airlines (Canada) Ltd

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.

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