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

Return flights

24 Dec - 13 Jan	Viva	direct
24 Dec - 14 Jan	Viva	direct
23 Dec - 13 Jan	Viva	direct
03 Dec - 09 Dec	Viva
24 Dec - 12 Jan	Viva	direct
23 Dec - 12 Jan	Viva	direct
02 Dec - 09 Dec	Viva
04 Dec - 09 Dec	Viva
05 Dec - 09 Dec	Viva
07 Dec - 09 Dec	Viva
09 Dec - 09 Dec	Viva
03 Dec - 05 Dec	Viva
03 Dec - 07 Dec	Viva
03 Dec - 08 Dec	Viva
03 Dec - 04 Dec	Viva
12 Dec - 01 Jan	Viva	direct
13 Dec - 01 Jan	Viva	direct
14 Dec - 01 Jan	Viva	direct
15 Dec - 01 Jan	Viva	direct
21 Dec - 06 Jan	Viva	direct

Also check the deals for one-way flights from Monterrey 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 Monterrey to Houston in December from 195€

Return flights