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

Return flights

04 Dec - 04 Dec	Viva
07 Dec - 10 Dec	Viva
07 Dec - 08 Dec	Viva
07 Dec - 11 Dec	Viva
04 Dec - 10 Dec	Viva
04 Dec - 08 Dec	Viva
04 Dec - 11 Dec	Viva
24 Dec - 14 Jan	Viva
07 Dec - 13 Dec	Viva
03 Dec - 04 Dec	Viva
24 Dec - 10 Jan	Viva	direct
03 Dec - 04 Dec	Viva	direct
24 Dec - 13 Jan	Viva
24 Dec - 14 Jan	Viva	direct
24 Dec - 13 Jan	Viva	direct
27 Dec - 17 Jan	Viva
27 Dec - 15 Jan	Viva
22 Dec - 10 Jan	Viva	direct
27 Dec - 17 Jan	Viva	direct
27 Dec - 14 Jan	Viva

Also check the deals for one-way flights from Las Vegas 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 Las Vegas to Monterrey in December from 186€

Return flights