AirHint found the following cheapest one-way flights from Monterrey (MTY) to Houston (IAH) in September 2025 (see full year).

One-Way flights

15 Sep	United	direct
21 Sep	United	direct
02 Sep	United	direct
27 Sep	United	direct
14 Sep	United	direct
25 Sep	United	direct
13 Sep	United	direct
28 Sep	United	direct
11 Sep	United	direct
30 Sep	Viva	direct

Also check the deals for return flights from Monterrey to Houston in September.

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 one-way flights from Monterrey to Houston in September from 120€

One-Way flights