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

Return flights

06 Dec - 08 Dec	Viva
31 Dec - 31 Jan	Volaris	direct
01 Dec - 08 Dec	Viva
01 Dec - 05 Dec	Viva
02 Dec - 10 Dec	Viva
04 Dec - 05 Dec	Viva
08 Dec - 10 Dec	Viva
02 Dec - 08 Dec	Viva
02 Dec - 05 Dec	Viva
13 Dec - 17 Dec	Volaris
01 Dec - 12 Dec	Viva
06 Dec - 19 Jan	Viva
31 Dec - 21 Jan	Viva
31 Dec - 16 Jan	Viva
31 Dec - 17 Jan	Viva
04 Dec - 17 Jan	Viva
31 Dec - 20 Jan	Viva
31 Dec - 18 Jan	Viva
31 Dec - 09 Jan	Viva
15 Dec - 12 Jan	Viva

Also check the deals for one-way flights from Los Angeles 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 Los Angeles to Mexico City in December from $291

Return flights