Cheapest one-way flights from New York to Porto in August from $329

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 August 2025 (see full year).

One-Way flights

31 Aug Porter Airlines (Canada) Ltd
26 Aug Air Canada
01 Aug Spirit Airlines
22 Aug Air Transat
24 Aug Porter Airlines (Canada) Ltd
03 Aug American Airlines
04 Aug American Airlines
02 Aug American Airlines
12 Aug British Airways

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

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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