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

Return flights

25 Oct - 28 Oct	Viva	direct
20 Oct - 28 Oct	Viva	direct
22 Oct - 28 Oct	Viva	direct
13 Oct - 28 Oct	Viva	direct
04 Oct - 08 Oct	Viva	direct
04 Oct - 05 Oct	Viva	direct
05 Oct - 08 Oct	Viva	direct
06 Oct - 08 Oct	Viva	direct
19 Oct - 28 Oct	Viva	direct
17 Oct - 28 Oct	Viva	direct
25 Oct - 08 Nov	Viva	direct
25 Oct - 09 Nov	Viva	direct
20 Oct - 08 Nov	Viva	direct
20 Oct - 09 Nov	Viva	direct
22 Oct - 08 Nov	Viva	direct
22 Oct - 09 Nov	Viva	direct
19 Oct - 08 Nov	Viva	direct
19 Oct - 09 Nov	Viva	direct
18 Oct - 08 Nov	Viva	direct
25 Oct - 02 Nov	Viva	direct

Also check the deals for one-way flights from Houston to Monterrey in October.

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 Houston to Monterrey in October from 182€

Return flights