Cheapest return flights from New York to Lisbon in December from $436

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

Return flights

04 Dec - 08 Dec KLM
03 Dec - 07 Dec KLM
03 Dec - 10 Dec KLM
29 Dec - 09 Jan Air Canada
24 Dec - 31 Dec Air Canada
24 Dec - 30 Dec Air Canada
30 Dec - 11 Jan Air Canada
17 Dec - 23 Dec Lufthansa
25 Dec - 31 Dec Air Transat
23 Dec - 31 Dec Air Transat
27 Dec - 10 Jan Air Canada
17 Dec - 27 Dec Lufthansa
20 Dec - 27 Dec United
26 Dec - 02 Jan Air Transat
23 Dec - 04 Jan Scandinavian Airlines
20 Dec - 03 Jan Air Canada
18 Dec - 05 Jan Air Canada

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

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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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