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

Return flights

31 Jan - 08 Feb	Icelandair
20 Jan - 28 Jan	United
08 Jan - 13 Jan	United	direct
16 Jan - 23 Jan	United	direct
19 Jan - 13 Feb	United	direct
10 Jan - 02 Feb	United	direct
15 Jan - 18 Jan	Air Canada
15 Jan - 19 Jan	Air Canada
11 Jan - 17 Jan	TAP	direct
20 Jan - 28 Jan	TAP	direct
31 Jan - 07 Feb	TAP	direct
10 Jan - 16 Jan	TAP	direct
10 Jan - 14 Jan	Scandinavian Airlines
01 Jan - 09 Jan	British Airways

Also check the deals for one-way flights from Newark to Lisbon in January.

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 January from 305€

Return flights