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

Return flights

08 Oct - 15 Oct	Delta	direct
17 Oct - 28 Oct	Delta	direct
22 Oct - 28 Oct	Delta	direct
14 Oct - 16 Oct	Delta	direct
25 Oct - 29 Oct	Delta	direct
24 Oct - 27 Oct	Delta	direct
25 Oct - 28 Oct	Delta	direct
31 Oct - 03 Nov	Delta	direct
24 Oct - 31 Oct	Aeromexico	direct
02 Oct - 11 Oct	Aeromexico	direct
18 Oct - 20 Oct	Aeromexico	direct
19 Oct - 02 Nov	United	direct
20 Oct - 03 Nov	United	direct
21 Oct - 04 Nov	United	direct
24 Oct - 07 Nov	United	direct
25 Oct - 08 Nov	United	direct
26 Oct - 09 Nov	United	direct
27 Oct - 10 Nov	United	direct
28 Oct - 11 Nov	United	direct
29 Oct - 12 Nov	United	direct

Also check the deals for one-way flights from Mexico City to Houston 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 Mexico City to Houston in October from 161€

Return flights