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

Return flights

14 Oct - 22 Oct	Lufthansa
20 Oct - 15 Nov	Iberia For Level
14 Oct - 23 Oct	Air Europa
11 Oct - 19 Oct	Icelandair
20 Oct - 30 Oct	Air Canada
16 Oct - 23 Oct	Air Europa
24 Oct - 15 Nov	Air Canada
28 Oct - 22 Nov	Air Canada
13 Oct - 20 Oct	Air Canada
21 Oct - 15 Nov	Air Canada
23 Oct - 06 Nov	Air Canada
23 Oct - 07 Nov	Air Canada
23 Oct - 15 Nov	Air Canada
29 Oct - 05 Nov	Iberia For Level
16 Oct - 25 Nov	Air Europa
01 Oct - 05 Oct	Icelandair
22 Oct - 15 Nov	Air Canada
23 Oct - 31 Oct	Air Europa
16 Oct - 22 Oct	Air Europa
20 Oct - 29 Oct	Air Canada

Also check the deals for one-way flights from New York to Lisbon 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 New York to Lisbon in October from $367

Return flights