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

Return flights

04 Dec - 08 Dec	Air Canada
03 Dec - 11 Dec	Air Canada
04 Dec - 11 Dec	Air Canada
02 Dec - 10 Dec	Air Canada
03 Dec - 10 Dec	Air Canada
01 Dec - 11 Dec	Air Canada
01 Dec - 08 Dec	Air Canada
07 Dec - 13 Jan	Air Canada
31 Dec - 14 Jan	Iberia	direct
24 Dec - 21 Jan	Iberia	direct
03 Dec - 31 Jan	Aeromexico	direct
03 Dec - 09 Dec	British Airways
03 Dec - 12 Dec	Air Canada
05 Dec - 10 Dec	Air Canada
07 Dec - 17 Jan	British Airways
30 Dec - 21 Jan	Iberia	direct
30 Dec - 23 Jan	Iberia	direct
07 Dec - 14 Jan	Iberia
24 Dec - 14 Jan	Iberia	direct
31 Dec - 18 Jan	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 $671

Return flights