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

Return flights

26 Dec - 31 Dec	Finnair
27 Dec - 01 Jan	Air France
27 Dec - 14 Jan	Delta
23 Dec - 30 Dec	Iberia
24 Dec - 31 Dec	Iberia
25 Dec - 30 Dec	British Airways
25 Dec - 31 Dec	British Airways
22 Dec - 12 Jan	British Airways
25 Dec - 15 Jan	British Airways
25 Dec - 29 Dec	Delta
26 Dec - 30 Dec	Air France
26 Dec - 01 Jan	Air France
25 Dec - 01 Jan	Virgin Atlantic	direct
25 Dec - 31 Dec	TAP	direct
27 Dec - 06 Jan	Air France
27 Dec - 30 Dec	Delta
22 Dec - 29 Dec	Delta
25 Dec - 02 Jan	Delta
29 Dec - 08 Jan	Finnair
28 Dec - 15 Jan	Air France

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.

Book a cheap hotel in New York

Cheap car rent in New York

Cheapest return flights from Lisbon to New York in December from 493€

Return flights