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

Return flights

02 Dec - 10 Dec	Iberia
25 Dec - 29 Jan	Iberia
08 Dec - 15 Dec	Aeromexico
10 Dec - 13 Jan	Aeromexico
03 Dec - 11 Dec	Aeromexico	direct
25 Dec - 29 Jan	Aeromexico	direct
31 Dec - 11 Jan	Aeromexico
04 Dec - 14 Dec	Delta
06 Dec - 14 Dec	Delta
10 Dec - 17 Dec	Ryanair
25 Dec - 08 Jan	Aeromexico	direct
16 Dec - 06 Jan	Ryanair
15 Dec - 29 Dec	Aeromexico	direct
16 Dec - 13 Jan	Ryanair
09 Dec - 19 Dec	Aeromexico
19 Dec - 07 Jan	Wizz Air Malta
25 Dec - 10 Jan	Delta
30 Dec - 10 Jan	Iberia
04 Dec - 14 Dec	Air Europa	direct
10 Dec - 17 Dec	Air Europa	direct

Also check the deals for one-way flights from Madrid to Monterrey 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 Monterrey in December from $789

Return flights