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

Return flights

08 Dec - 22 Jan	Iberia
09 Dec - 22 Jan	Iberia
02 Dec - 08 Dec	British Airways
02 Dec - 09 Dec	British Airways
05 Dec - 22 Jan	Iberia
06 Dec - 22 Jan	Iberia
07 Dec - 22 Jan	Iberia
05 Dec - 08 Dec	British Airways
06 Dec - 09 Dec	Iberia
06 Dec - 08 Dec	British Airways
02 Dec - 07 Dec	British Airways
06 Dec - 17 Jan	British Airways
08 Dec - 13 Jan	Iberia
03 Dec - 08 Dec	British Airways
09 Dec - 15 Dec	Iberia
08 Dec - 15 Dec	Iberia
10 Dec - 31 Jan	British Airways
08 Dec - 15 Jan	Iberia
04 Dec - 14 Jan	Iberia
05 Dec - 11 Dec	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 520€

Return flights