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

Return flights

02 Dec - 04 Dec	Viva
03 Dec - 04 Dec	Viva
02 Dec - 03 Dec	Viva	direct
02 Dec - 09 Dec	Viva	direct
02 Dec - 10 Dec	Viva	direct
09 Dec - 10 Dec	Viva	direct
31 Dec - 15 Jan	Viva
31 Dec - 19 Jan	Viva
07 Dec - 09 Dec	Viva	direct
07 Dec - 10 Dec	Viva	direct
10 Dec - 12 Dec	Viva	direct
02 Dec - 05 Dec	Viva	direct
31 Dec - 20 Jan	Viva
31 Dec - 18 Jan	Viva	direct
31 Dec - 16 Jan	Viva
31 Dec - 13 Jan	Viva	direct
31 Dec - 14 Jan	Viva	direct
31 Dec - 20 Jan	Viva	direct
31 Dec - 16 Jan	Viva	direct
29 Dec - 15 Jan	Viva

Also check the deals for one-way flights from Mexico City to Miami 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 Miami in December from $211

Return flights