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

Return flights

01 Dec - 27 Jan	Iberia
31 Dec - 16 Jan	Iberia
31 Dec - 12 Jan	Aeromexico
31 Dec - 18 Jan	Iberia
24 Dec - 28 Jan	Avianca
02 Dec - 04 Dec	Iberia
02 Dec - 09 Dec	Iberia
09 Dec - 20 Jan	Iberia
02 Dec - 07 Dec	Iberia
03 Dec - 07 Dec	Iberia
31 Dec - 14 Jan	Iberia
31 Dec - 11 Jan	Aeromexico
31 Dec - 10 Jan	Aeromexico
10 Dec - 30 Jan	Avianca
02 Dec - 12 Dec	Aeromexico
01 Dec - 12 Dec	Viva
05 Dec - 09 Dec	Iberia
02 Dec - 11 Dec	Iberia
02 Dec - 06 Dec	Iberia
03 Dec - 06 Dec	Iberia

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 636€

Return flights