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

Return flights

09 Dec - 14 Dec	Viva	direct
03 Dec - 14 Dec	Viva	direct
02 Dec - 03 Dec	Viva	direct
02 Dec - 14 Dec	Viva	direct
03 Dec - 07 Dec	Viva	direct
02 Dec - 07 Dec	Viva	direct
09 Dec - 16 Dec	Viva	direct
03 Dec - 16 Dec	Viva	direct
02 Dec - 16 Dec	Viva	direct
09 Dec - 10 Dec	Viva	direct
25 Dec - 13 Jan	Viva
31 Dec - 13 Jan	Viva	direct
26 Dec - 13 Jan	Viva	direct
25 Dec - 04 Jan	Viva
28 Dec - 13 Jan	Viva	direct
31 Dec - 04 Jan	Viva	direct
26 Dec - 04 Jan	Viva	direct
24 Dec - 13 Jan	Viva	direct
31 Dec - 20 Jan	Viva	direct
31 Dec - 18 Jan	Viva	direct

Also check the deals for one-way flights from Miami 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 Miami to Mexico City in December from 187€

Return flights