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

Return flights

16 Dec - 09 Jan	Aer Lingus
12 Dec - 09 Jan	Aer Lingus
09 Dec - 12 Jan	Finnair	direct
15 Dec - 15 Jan	British Airways	direct
15 Dec - 09 Jan	TAP
04 Dec - 08 Dec	Iberia	direct
14 Dec - 11 Jan	TAP
14 Dec - 12 Jan	Finnair	direct
11 Dec - 17 Jan	Finnair	direct
17 Dec - 13 Jan	Iberia	direct
17 Dec - 15 Jan	Iberia	direct
09 Dec - 31 Dec	TAP
15 Dec - 31 Dec	TAP
10 Dec - 15 Dec	Finnair
09 Dec - 15 Dec	Finnair
11 Dec - 15 Dec	Finnair
04 Dec - 11 Dec	Finnair
08 Dec - 15 Dec	Finnair
04 Dec - 10 Dec	Finnair
16 Dec - 31 Dec	Aer Lingus

Also check the deals for one-way flights from Madrid 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 Madrid to New York in December from 381€

Return flights