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

Return flights

08 Jan - 15 Jan	Air Canada
07 Jan - 04 Feb	TAP	direct
05 Jan - 14 Jan	Air Canada
08 Jan - 15 Jan	TAP	direct
11 Jan - 25 Jan	TAP	direct
29 Jan - 04 Feb	TAP	direct
12 Jan - 19 Jan	United	direct
03 Jan - 10 Jan	Delta
14 Jan - 28 Jan	SWISS
03 Jan - 10 Jan	TAP	direct
02 Jan - 09 Jan	TAP
16 Jan - 21 Jan	SWISS

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 352€

Return flights