AirHint found the following cheapest return flights from New York (LGA) to Porto (OPO) in July 2026 (see full year).

Return flights

15 Jul - 25 Jul	Air Transat
01 Jul - 16 Jul	Air Canada
01 Jul - 18 Aug	Lufthansa
31 Jul - 27 Aug	Lufthansa
31 Jul - 22 Aug	Lufthansa
31 Jul - 29 Aug	Lufthansa
06 Jul - 29 Jul	Lufthansa
08 Jul - 13 Jul	United
13 Jul - 16 Jul	Lufthansa

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 647€

Return flights