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

Return flights

10 May - 17 May	Air Europa
12 May - 19 May	Air Europa
05 May - 19 May	Air Canada
06 May - 11 May	Scandinavian Airlines
03 May - 07 May	Aer Lingus
09 May - 16 May	Air Europa
07 May - 15 May	Air Europa
03 May - 10 May	Air Europa
14 May - 22 May	Air Europa
01 May - 08 May	SWISS
27 May - 09 Jun	Iberia
26 May - 09 Jun	Iberia
29 May - 07 Jun	Air Canada
27 May - 08 Jun	TAP
27 May - 12 Jun	SWISS
27 May - 07 Jun	Iberia

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

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 May from $407

Return flights