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

Return flights

05 Dec - 08 Dec	Volaris	direct
04 Dec - 08 Dec	Volaris	direct
15 Dec - 14 Jan	Volaris	direct
04 Dec - 06 Dec	Viva
03 Dec - 07 Dec	Viva
16 Dec - 11 Jan	Volaris	direct
04 Dec - 05 Dec	Viva
06 Dec - 08 Dec	Volaris	direct
04 Dec - 07 Dec	Volaris	direct
03 Dec - 06 Dec	Viva	direct
10 Dec - 31 Dec	Viva
03 Dec - 07 Dec	Volaris	direct
11 Dec - 01 Jan	Viva
12 Dec - 01 Jan	Viva	direct
15 Dec - 01 Jan	Viva	direct
24 Dec - 13 Jan	Viva	direct
25 Dec - 13 Jan	Viva
24 Dec - 12 Jan	Viva	direct
13 Dec - 01 Jan	Viva	direct
25 Dec - 14 Jan	Viva

Also check the deals for one-way flights from Mexico City to Houston 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 Mexico City to Houston in December from 189€

Return flights