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

Return flights

31 Dec - 15 Jan	Iberia
31 Dec - 16 Jan	Iberia
09 Dec - 20 Jan	Finnair
31 Dec - 13 Jan	Aeromexico
31 Dec - 17 Jan	Iberia
09 Dec - 16 Dec	Viva
24 Dec - 16 Jan	Aeromexico
31 Dec - 09 Jan	Aeromexico
30 Dec - 15 Jan	Volaris
29 Dec - 30 Jan	Viva
30 Dec - 13 Jan	Volaris
09 Dec - 25 Dec	Iberia
24 Dec - 30 Dec	Aeromexico
24 Dec - 31 Dec	Aeromexico
15 Dec - 29 Dec	Viva
24 Dec - 31 Dec	Aeromexico	direct
10 Dec - 25 Dec	Iberia
25 Dec - 30 Dec	Aeromexico	direct
24 Dec - 30 Dec	Aeromexico	direct
09 Dec - 29 Dec	Aeromexico

Also check the deals for one-way flights from Monterrey 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 Monterrey to Madrid in December from $763

Return flights