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

Return flights

20 Dec - 28 Dec	United	direct
11 Dec - 14 Dec	United	direct
02 Dec - 02 Dec	Viva
19 Dec - 07 Jan	Viva	direct
17 Dec - 07 Jan	Viva	direct
29 Dec - 07 Jan	Viva	direct
29 Dec - 10 Jan	Viva	direct
30 Dec - 07 Jan	Viva	direct
06 Dec - 14 Dec	Viva
30 Dec - 10 Jan	Viva	direct
15 Dec - 25 Dec	United	direct
02 Dec - 14 Dec	Viva
10 Dec - 14 Dec	Viva
20 Dec - 24 Dec	United	direct
28 Dec - 07 Jan	Viva	direct
17 Dec - 24 Dec	United	direct
28 Dec - 10 Jan	Viva	direct
20 Dec - 07 Jan	Viva	direct
10 Dec - 24 Dec	Viva
20 Dec - 10 Jan	Viva

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.

Book a cheap hotel in Houston

Cheap car rent in Houston

Cheapest return flights from Monterrey to Houston in December from 192€

Return flights