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

Return flights

04 Dec - 08 Dec	British Airways
04 Dec - 15 Dec	British Airways
08 Dec - 15 Dec	British Airways
04 Dec - 14 Dec	British Airways
02 Dec - 09 Dec	Iberia
08 Dec - 14 Jan	Iberia
03 Dec - 15 Dec	Aeromexico
04 Dec - 11 Dec	Iberia
24 Dec - 26 Jan	Iberia
10 Dec - 31 Dec	Iberia
08 Dec - 14 Dec	British Airways
09 Dec - 22 Dec	British Airways
24 Dec - 14 Jan	Iberia
10 Dec - 14 Jan	Iberia
09 Dec - 09 Jan	Air France
29 Dec - 29 Jan	Aeromexico	direct
31 Dec - 25 Jan	Air France
31 Dec - 31 Jan	Iberia
24 Dec - 17 Jan	Iberia
31 Dec - 17 Jan	Iberia

Also check the deals for one-way flights from Madrid to Mexico City 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 Mexico City in December from 491€

Return flights