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

Return flights

22 Oct - 29 Oct	Vueling Airlines
17 Oct - 21 Oct	Delta
16 Oct - 22 Oct	Delta
17 Oct - 19 Oct	Delta
16 Oct - 24 Oct	Delta
17 Oct - 24 Oct	Delta
16 Oct - 21 Oct	Delta
17 Oct - 25 Oct	KLM
16 Oct - 19 Oct	Delta
16 Oct - 28 Oct	Delta
29 Oct - 02 Nov	United
29 Oct - 06 Nov	United
30 Oct - 08 Nov	United
31 Oct - 20 Nov	Delta
28 Oct - 04 Nov	United
22 Oct - 05 Nov	Delta
29 Oct - 13 Nov	Delta
20 Oct - 03 Nov	Delta
29 Oct - 03 Nov	Delta
31 Oct - 03 Nov	Delta

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 390€

Return flights