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

Return flights

06 Dec - 13 Dec	Air Canada
10 Dec - 17 Dec	Air Canada
08 Dec - 15 Dec	Lufthansa
04 Dec - 11 Dec	Air Canada
04 Dec - 10 Dec	Air Canada
12 Dec - 19 Dec	United
27 Dec - 16 Jan	Air Canada
07 Dec - 14 Dec	United
02 Dec - 09 Dec	American Airlines
31 Dec - 10 Jan	Air Canada
30 Dec - 10 Jan	Air Canada
05 Dec - 16 Dec	Air Canada
12 Dec - 16 Dec	Air Canada
13 Dec - 20 Jan	Lufthansa
14 Dec - 20 Jan	Air Canada
13 Dec - 21 Jan	American Airlines
14 Dec - 07 Jan	United
30 Dec - 06 Jan	Air Canada
29 Dec - 06 Jan	Air Canada
10 Dec - 06 Jan	Air Canada

Also check the deals for one-way flights from New York to Madrid 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 New York to Madrid in December from $325

Return flights