AirHint found the following cheapest return flights from Houston (IAH) to Mexico City (MEX) in September 2026 (see full year).

Return flights

01 Sep - 04 Sep	Volaris	direct
30 Sep - 18 Oct	Viva
01 Sep - 02 Sep	Viva
21 Sep - 08 Oct	Viva
30 Sep - 08 Oct	Viva
30 Sep - 18 Oct	Viva	direct
01 Sep - 07 Sep	Viva
21 Sep - 08 Oct	Viva	direct
30 Sep - 08 Oct	Viva	direct
01 Sep - 07 Sep	Viva	direct
01 Sep - 03 Sep	Viva	direct

Also check the deals for one-way flights from Houston to Mexico City 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 return flights from Houston to Mexico City in September from 158€

Return flights