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

Return flights

18 Sep - 21 Sep	Air Europa
08 Sep - 26 Sep	Air Europa
10 Sep - 21 Sep	Wizz Air Malta
22 Sep - 27 Sep	Air Europa
15 Sep - 30 Sep	Air Europa
24 Sep - 27 Sep	Air Europa
22 Sep - 30 Sep	Air Europa
15 Sep - 19 Sep	Air Europa
09 Sep - 16 Sep	Air Europa
11 Sep - 25 Sep	Air Europa
29 Sep - 10 Oct	Air Europa
23 Sep - 01 Oct	Transavia France
08 Sep - 02 Oct	Air Europa
30 Sep - 10 Oct	SWISS
23 Sep - 05 Oct	SWISS
30 Sep - 05 Oct	Transavia France
25 Sep - 02 Oct	SWISS
26 Sep - 02 Oct	SWISS
27 Sep - 02 Oct	SWISS
27 Sep - 03 Oct	SWISS

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

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 Porto to New York in September from $466

Return flights