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

Return flights

03 Oct - 06 Oct	British Airways
09 Oct - 15 Oct	British Airways
23 Oct - 27 Oct	Iberia
30 Oct - 16 Nov	SWISS
30 Oct - 05 Nov	SWISS
30 Oct - 04 Nov	SWISS
02 Oct - 07 Oct	Iberia
01 Oct - 23 Oct	KLM
06 Oct - 12 Oct	KLM
01 Oct - 22 Oct	KLM
15 Oct - 20 Oct	Delta
15 Oct - 22 Oct	KLM
14 Oct - 21 Oct	KLM
31 Oct - 08 Nov	KLM
31 Oct - 04 Nov	SWISS
30 Oct - 06 Nov	SWISS
31 Oct - 05 Nov	SWISS
30 Oct - 07 Nov	Delta
31 Oct - 07 Nov	Iberia
27 Oct - 10 Nov	SWISS

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

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 October from $488

Return flights