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

Return flights

16 Oct - 19 Oct	TAP	direct
10 Oct - 15 Oct	TAP	direct
22 Oct - 28 Oct	TAP	direct
10 Oct - 18 Oct	TAP	direct
15 Oct - 23 Oct	TAP	direct
23 Oct - 27 Oct	TAP	direct
30 Oct - 06 Nov	TAP	direct
01 Oct - 14 Oct	Lufthansa
09 Oct - 14 Oct	SWISS
14 Oct - 21 Oct	SWISS
08 Oct - 12 Oct	SWISS
26 Oct - 02 Nov	Delta
25 Oct - 01 Nov	SWISS
31 Oct - 04 Nov	United	direct
27 Oct - 01 Nov	SWISS
25 Oct - 01 Nov	Brussels Airlines	direct

Also check the deals for one-way flights from Lisbon to Newark 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 Newark in October from $489

Return flights