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

Return flights

11 Dec - 14 Dec	Viva
02 Dec - 03 Dec	Viva	direct
02 Dec - 14 Dec	Viva	direct
03 Dec - 14 Dec	Viva	direct
05 Dec - 14 Dec	Viva	direct
04 Dec - 14 Dec	Viva
02 Dec - 09 Dec	Viva	direct
03 Dec - 09 Dec	Viva	direct
05 Dec - 09 Dec	Viva	direct
04 Dec - 09 Dec	Viva
25 Dec - 13 Jan	Viva
11 Dec - 01 Jan	Viva
25 Dec - 13 Jan	Viva	direct
25 Dec - 10 Jan	Viva
25 Dec - 12 Jan	Viva
25 Dec - 10 Jan	Viva	direct
25 Dec - 06 Jan	Viva
13 Dec - 01 Jan	Viva	direct
25 Dec - 06 Jan	Viva	direct
25 Dec - 08 Jan	Viva

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.

Book a cheap hotel in Mexico City

Cheap car rent in Mexico City

Cheapest return flights from Miami to Mexico City in December from $216

Return flights