AirHint found the following cheapest return flights from Newark (EWR) to Lisbon (LIS) in October 2026 (see full year).

Return flights

09 Oct - 21 Oct	TAP
05 Oct - 12 Oct	TAP
09 Oct - 19 Oct	TAP
15 Oct - 24 Oct	TAP	direct
28 Oct - 01 Nov	British Airways
28 Oct - 01 Nov	TAP	direct
17 Oct - 25 Oct	American Airlines
16 Oct - 25 Oct	British Airways
15 Oct - 25 Oct	British Airways
17 Oct - 25 Oct	TAP	direct
15 Oct - 25 Oct	TAP	direct
16 Oct - 25 Oct	TAP	direct

Also check the deals for one-way flights from Newark 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 Newark to Lisbon in October from $493

Return flights