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

Return flights

30 Jul - 13 Aug	Air Canada
22 Jul - 30 Jul	TAP
25 Jul - 02 Aug	TAP
27 Jul - 26 Aug	FrenchBee
30 Jul - 20 Aug	Scandinavian Airlines
29 Jul - 05 Aug	Air Canada
28 Jul - 04 Aug	TAP
17 Jul - 23 Jul	ITA Airways
21 Jul - 28 Jul	ITA Airways
26 Jul - 01 Aug	Turkish Airlines
22 Jul - 27 Jul	Air Canada
31 Jul - 13 Aug	Norse Atlantic Airways (UK)
27 Jul - 03 Aug	Iberia
22 Jul - 27 Aug	FrenchBee
21 Jul - 29 Jul	TAP
18 Jul - 20 Jul	ITA Airways
27 Jul - 29 Jul	Air Canada
23 Jul - 27 Jul	Air Canada
20 Jul - 27 Jul	ITA Airways
19 Jul - 20 Jul	FrenchBee

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

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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Cheapest return flights from New York to Porto in July from $557

Return flights