AirHint found the following cheapest return flights from Lisbon (LIS) to New York (JFK) in December 2025 (see full year).

Return flights

13 Dec - 16 Dec	Iberia For Level
11 Dec - 16 Dec	Iberia For Level
12 Dec - 16 Dec	Iberia For Level
10 Dec - 16 Dec	Iberia For Level
09 Dec - 16 Dec	Iberia For Level
14 Dec - 07 Jan	Vueling Airlines
10 Dec - 15 Dec	Iberia
10 Dec - 14 Dec	Iberia
11 Dec - 15 Dec	Iberia
11 Dec - 14 Dec	Iberia
01 Dec - 06 Dec	Scandinavian Airlines
17 Dec - 15 Jan	Iberia For Level
25 Dec - 01 Jan	KLM
28 Dec - 07 Jan	Delta
24 Dec - 05 Jan	KLM
17 Dec - 15 Jan	TAP	direct
14 Dec - 07 Jan	TAP	direct
26 Dec - 01 Jan	Air France
27 Dec - 01 Jan	Air France
24 Dec - 05 Jan	Virgin Atlantic	direct

Also check the deals for one-way flights from Lisbon to New York in December.

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 Lisbon to New York in December from 315€

Return flights