AirHint found the following cheapest return flights from San Luis Potosi (SLP) to Monterrey (MTY) in December 2025 (see full year).

Return flights

28 Dec - 04 Jan	Aeromexico
31 Dec - 08 Jan	Viva
31 Dec - 07 Jan	Viva
31 Dec - 09 Jan	Viva
31 Dec - 19 Jan	Viva
31 Dec - 18 Jan	Viva
31 Dec - 16 Jan	Viva
27 Dec - 08 Jan	Viva
27 Dec - 07 Jan	Viva
27 Dec - 09 Jan	Viva
27 Dec - 28 Dec	Viva	direct
27 Dec - 29 Dec	Viva	direct
27 Dec - 30 Dec	Viva	direct
28 Dec - 29 Dec	Viva	direct
28 Dec - 30 Dec	Viva	direct
30 Dec - 30 Dec	Viva	direct

Also check the deals for one-way flights from San Luis Potosi to Monterrey 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 San Luis Potosi to Monterrey in December from $455

Return flights