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

Return flights

03 Dec - 11 Dec	Viva
02 Dec - 11 Dec	Viva
09 Dec - 11 Dec	Viva
07 Dec - 11 Dec	Viva
03 Dec - 05 Dec	Viva	direct
03 Dec - 04 Dec	Viva
02 Dec - 03 Dec	Viva	direct
02 Dec - 05 Dec	Viva	direct
02 Dec - 04 Dec	Viva
10 Dec - 11 Dec	Viva
24 Dec - 13 Jan	Viva
30 Dec - 13 Jan	Viva
25 Dec - 13 Jan	Viva
30 Dec - 17 Jan	Viva
30 Dec - 16 Jan	Viva	direct
28 Dec - 13 Jan	Viva
24 Dec - 11 Jan	Viva	direct
28 Dec - 17 Jan	Viva
30 Dec - 18 Jan	Viva	direct
24 Dec - 09 Jan	Viva	direct

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 $216

Return flights