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

Return flights

08 Dec - 24 Dec	Viva
07 Dec - 24 Dec	Viva
10 Dec - 24 Dec	Viva
31 Dec - 08 Jan	Viva
17 Dec - 24 Dec	Viva
08 Dec - 27 Dec	Viva	direct
07 Dec - 27 Dec	Viva
19 Dec - 24 Dec	Viva
10 Dec - 16 Dec	Delta
10 Dec - 27 Dec	Viva
19 Dec - 08 Jan	Viva	direct
17 Dec - 27 Dec	Viva
24 Dec - 06 Jan	United
24 Dec - 08 Jan	Viva
31 Dec - 07 Jan	Viva
19 Dec - 07 Jan	Viva
24 Dec - 07 Jan	Viva

Also check the deals for one-way flights from Monterrey 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 Monterrey to Miami in December from $237

Return flights