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

Return flights

23 Dec - 31 Dec	Scandinavian Airlines
23 Dec - 28 Dec	Scandinavian Airlines
03 Dec - 07 Dec	Scandinavian Airlines
03 Dec - 09 Dec	Scandinavian Airlines
03 Dec - 12 Dec	Scandinavian Airlines
01 Dec - 11 Dec	United
23 Dec - 29 Dec	Scandinavian Airlines
01 Dec - 09 Dec	United
07 Dec - 14 Dec	Scandinavian Airlines
10 Dec - 14 Dec	Scandinavian Airlines
15 Dec - 14 Jan	United
24 Dec - 07 Jan	TAP
25 Dec - 15 Jan	United	direct
15 Dec - 14 Jan	Lufthansa	direct
17 Dec - 09 Jan	TAP
26 Dec - 11 Jan	Air Canada
25 Dec - 06 Jan	TAP
25 Dec - 07 Jan	TAP
22 Dec - 07 Jan	TAP
22 Dec - 09 Jan	TAP

Also check the deals for one-way flights from Madrid to Newark 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 Newark in December from $392

Return flights