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

Return flights

03 Dec - 11 Dec	Iberia	direct
01 Dec - 10 Dec	Iberia	direct
01 Dec - 17 Jan	Iberia	direct
02 Dec - 10 Dec	Iberia	direct
05 Dec - 22 Jan	Iberia	direct
05 Dec - 20 Jan	Iberia	direct
05 Dec - 16 Jan	Iberia	direct
04 Dec - 21 Jan	Iberia	direct
01 Dec - 11 Dec	Iberia	direct
03 Dec - 10 Dec	Iberia	direct
02 Dec - 11 Dec	Iberia	direct
06 Dec - 30 Jan	Iberia	direct
04 Dec - 11 Dec	Iberia	direct
05 Dec - 10 Dec	Iberia	direct
01 Dec - 09 Dec	Iberia	direct
06 Dec - 21 Jan	Iberia	direct
06 Dec - 22 Jan	Iberia	direct
06 Dec - 24 Jan	Iberia	direct
06 Dec - 20 Jan	Iberia	direct
02 Dec - 09 Dec	Iberia	direct

Also check the deals for one-way flights from Mexico City 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 Mexico City to Madrid in December from 484€

Return flights