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

Return flights

04 Dec - 11 Dec	Viva	direct
04 Dec - 12 Dec	Viva	direct
04 Dec - 14 Dec	Viva	direct
04 Dec - 15 Dec	Viva	direct
04 Dec - 08 Dec	Viva	direct
04 Dec - 13 Dec	Viva	direct
04 Dec - 06 Dec	Viva	direct
04 Dec - 07 Dec	Viva	direct
06 Dec - 11 Dec	Viva	direct
06 Dec - 12 Dec	Viva	direct
15 Dec - 05 Jan	Viva	direct
18 Dec - 05 Jan	Viva	direct
22 Dec - 05 Jan	Viva	direct
21 Dec - 05 Jan	Viva	direct
19 Dec - 05 Jan	Viva	direct
20 Dec - 05 Jan	Viva	direct
25 Dec - 05 Jan	Viva	direct
28 Dec - 05 Jan	Viva	direct
26 Dec - 05 Jan	Viva	direct
29 Dec - 05 Jan	Viva	direct

Also check the deals for one-way flights from Los Angeles 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 Los Angeles to Monterrey in December from $236

Return flights