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

Return flights

09 Oct - 14 Oct	Volaris	direct
01 Oct - 01 Nov	Volaris	direct
03 Oct - 05 Oct	Volaris	direct
10 Oct - 13 Oct	Aeromexico	direct
01 Oct - 12 Oct	Aeromexico	direct
31 Oct - 20 Nov	Viva
30 Oct - 20 Nov	Viva
31 Oct - 20 Nov	Viva	direct
28 Oct - 02 Nov	Viva
24 Oct - 01 Nov	Viva
14 Oct - 01 Nov	Viva
14 Oct - 02 Nov	Viva
10 Oct - 23 Oct	Viva
09 Oct - 18 Oct	Viva
09 Oct - 23 Oct	Viva
14 Oct - 18 Oct	Viva
14 Oct - 23 Oct	Viva
05 Oct - 18 Oct	Viva
25 Oct - 01 Nov	Viva
25 Oct - 02 Nov	Viva

Also check the deals for one-way flights from Houston to Mexico City 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 Mexico City in October from $191

Return flights