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

Return flights

22 Jan - 31 Jan	Air Canada
17 Jan - 24 Jan	Air Canada
10 Jan - 17 Jan	Air Canada
22 Jan - 27 Jan	Air Canada
22 Jan - 05 Feb	Air Canada
08 Jan - 17 Jan	Air Canada
19 Jan - 14 Feb	Air Canada
17 Jan - 24 Jan	United	direct
15 Jan - 19 Jan	SWISS
26 Jan - 21 Feb	United	direct
08 Jan - 17 Jan	United	direct
12 Jan - 07 Feb	United	direct
26 Jan - 04 Feb	United	direct
21 Jan - 28 Jan	United	direct
20 Jan - 27 Jan	United
25 Jan - 01 Feb	United	direct
26 Jan - 02 Feb	United	direct
29 Jan - 04 Feb	United	direct
22 Jan - 05 Feb	TAP	direct
19 Jan - 14 Feb	TAP	direct

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 $382

Return flights