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

Return flights

31 Oct - 04 Nov	Scandinavian Airlines
16 Oct - 26 Oct	TAP
07 Oct - 14 Oct	Lufthansa
08 Oct - 15 Oct	Lufthansa
06 Oct - 12 Oct	SWISS
31 Oct - 02 Nov	TAP
22 Oct - 27 Oct	Ryanair
09 Oct - 18 Oct	SWISS
08 Oct - 17 Oct	Lufthansa
02 Oct - 18 Oct	SWISS
08 Oct - 22 Oct	Lufthansa
09 Oct - 16 Oct	SWISS
20 Oct - 07 Nov	SWISS
28 Oct - 06 Nov	SWISS
30 Oct - 03 Nov	SWISS
16 Oct - 14 Nov	SWISS
30 Oct - 16 Nov	SWISS
30 Oct - 07 Nov	SWISS
30 Oct - 02 Nov	SWISS
29 Oct - 04 Nov	Scandinavian Airlines

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 355€

Return flights