Cheapest return flights from New York to Porto in August from $726

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

17 Aug - 28 Aug American Airlines
19 Aug - 28 Aug American Airlines
13 Aug - 21 Aug Spirit Airlines
15 Aug - 28 Aug American Airlines
16 Aug - 27 Aug American Airlines
27 Aug - 02 Sep Air Transat
30 Aug - 13 Sep American Airlines
04 Aug - 21 Aug Air Transat
01 Aug - 17 Aug Air Canada
09 Aug - 23 Aug United
06 Aug - 21 Aug Air Transat
03 Aug - 08 Aug Air Transat

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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