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

Return flights

04 Dec - 08 Dec	Viva Aerobus
04 Dec - 09 Dec	Viva Aerobus
25 Dec - 14 Jan	Viva Aerobus
04 Dec - 15 Dec	Viva Aerobus
25 Dec - 07 Jan	Viva Aerobus
04 Dec - 14 Dec	Viva Aerobus
25 Dec - 09 Jan	Viva Aerobus
04 Dec - 17 Dec	Viva Aerobus
04 Dec - 12 Dec	Viva Aerobus
26 Dec - 16 Jan	Viva Aerobus
25 Dec - 31 Dec	Viva Aerobus
25 Dec - 01 Jan	Viva Aerobus
08 Dec - 09 Dec	Viva Aerobus
26 Dec - 14 Jan	Viva Aerobus
28 Dec - 16 Jan	Viva Aerobus
04 Dec - 13 Dec	Viva Aerobus
26 Dec - 07 Jan	Viva Aerobus
01 Dec - 08 Dec	Viva Aerobus
28 Dec - 14 Jan	Viva Aerobus
18 Dec - 07 Jan	Viva Aerobus

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 $205

Return flights