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

Return flights

14 Jan - 25 Jan	Icelandair
22 Jan - 29 Jan	Iberia For Level
23 Jan - 30 Jan	Iberia For Level
20 Jan - 30 Jan	Iberia For Level
17 Jan - 24 Jan	Iberia For Level
12 Jan - 19 Jan	Iberia For Level
16 Jan - 19 Jan	Iberia For Level
12 Jan - 16 Jan	Iberia For Level
16 Jan - 20 Jan	Iberia For Level
11 Jan - 14 Jan	Iberia For Level
20 Jan - 04 Feb	Iberia For Level
20 Jan - 04 Feb	TAP	direct

Also check the deals for one-way flights from New York 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 New York to Lisbon in January from $360

Return flights