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

Return flights

09 Sep - 22 Sep	Viva	direct
09 Sep - 19 Sep	Viva	direct
09 Sep - 11 Sep	Viva	direct
09 Sep - 14 Sep	Viva	direct
21 Sep - 22 Sep	Viva	direct
14 Sep - 22 Sep	Viva	direct
14 Sep - 19 Sep	Viva	direct
14 Sep - 14 Sep	Viva	direct
21 Sep - 05 Oct	Viva	direct
21 Sep - 04 Oct	Viva	direct
14 Sep - 04 Oct	Viva	direct
09 Sep - 29 Sep	Viva	direct
09 Sep - 12 Sep	Viva	direct
21 Sep - 01 Oct	Viva	direct
21 Sep - 02 Oct	Viva	direct
21 Sep - 03 Oct	Viva	direct
14 Sep - 01 Oct	Viva	direct
14 Sep - 02 Oct	Viva	direct
14 Sep - 03 Oct	Viva	direct
27 Sep - 15 Oct	Viva	direct

Also check the deals for one-way 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.

Book a cheap hotel in Houston

Cheap car rent in Houston

Cheapest return flights from Monterrey to Houston in September from 185€

Return flights