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

Return flights

15 Oct - 21 Oct	Delta
07 Oct - 14 Oct	Delta
07 Oct - 12 Oct	Delta
14 Oct - 20 Oct	Delta
14 Oct - 19 Oct	Delta
15 Oct - 23 Oct	Delta
07 Oct - 21 Oct	Delta
09 Oct - 14 Oct	Delta
09 Oct - 15 Oct	Delta
09 Oct - 13 Oct	Delta
15 Oct - 02 Nov	Air Europa
31 Oct - 08 Nov	Delta
31 Oct - 06 Nov	Delta
31 Oct - 09 Nov	Delta
31 Oct - 03 Nov	Delta
28 Oct - 13 Nov	SWISS
29 Oct - 06 Nov	British Airways
30 Oct - 05 Nov	British Airways
30 Oct - 08 Nov	British Airways
24 Oct - 05 Nov	SWISS

Also check the deals for one-way flights from Lisbon 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 Lisbon to New York in October from 409€

Return flights