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

Return flights

02 Dec - 07 Dec	Air France	direct
10 Dec - 14 Dec	Delta
19 Dec - 24 Dec	Azores Airlines
22 Dec - 27 Dec	Air Canada
19 Dec - 24 Dec	TAP	direct
21 Dec - 26 Dec	TAP	direct
22 Dec - 27 Dec	TAP	direct
21 Dec - 02 Jan	Iberia
21 Dec - 02 Jan	TAP	direct

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

Cheap car rent in Lisbon

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

Return flights