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

Return flights

03 Oct - 06 Oct	Transavia France
03 Oct - 05 Oct	Transavia France
06 Oct - 11 Oct	Transavia France
01 Oct - 08 Oct	Transavia France
15 Oct - 20 Oct	Ryanair
09 Oct - 16 Oct	TAP	direct
04 Oct - 11 Oct	Transavia France
01 Oct - 29 Oct	Lufthansa
01 Oct - 06 Oct	TAP
03 Oct - 05 Oct	TAP	direct
31 Oct - 12 Nov	TAP	direct
06 Oct - 19 Nov	TAP	direct
20 Oct - 18 Nov	TAP	direct
20 Oct - 19 Nov	TAP	direct
31 Oct - 11 Nov	SWISS
31 Oct - 02 Nov	SWISS
25 Oct - 02 Nov	SWISS
15 Oct - 02 Nov	SWISS
25 Oct - 09 Nov	SWISS
31 Oct - 08 Nov	SWISS

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 389€

Return flights