Cheapest return flights from New York to Porto in August from $624

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

AirHint found the following cheapest return flights from New York (LGA) to Porto (OPO) in August 2025 (see full year).

Return flights

23 Aug - 30 Aug Air Canada
15 Aug - 22 Aug Air Canada
05 Aug - 19 Aug Air Canada
15 Aug - 24 Aug Air Canada
16 Aug - 31 Aug Air Canada
04 Aug - 20 Aug Air Canada
03 Aug - 13 Aug Air Canada
02 Aug - 09 Aug Air Canada
29 Aug - 01 Sep Air Canada
15 Aug - 26 Aug Air Canada
01 Aug - 12 Aug Air Canada
21 Aug - 05 Sep Air Canada

Also check the deals for one-way flights from New York to Porto in August.

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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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