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

Return flights

30 Aug - 06 Sep	Volaris	direct
21 Aug - 27 Aug	Volaris	direct
24 Aug - 31 Aug	Volaris	direct
31 Aug - 18 Sep	Viva
31 Aug - 21 Sep	Viva
31 Aug - 21 Sep	Viva	direct
31 Aug - 17 Sep	Viva	direct
31 Aug - 15 Sep	Viva	direct
25 Aug - 30 Aug	Viva
31 Aug - 18 Sep	Viva	direct
31 Aug - 14 Sep	Viva	direct
25 Aug - 15 Sep	Viva
25 Aug - 14 Sep	Viva
25 Aug - 28 Aug	Viva
25 Aug - 31 Aug	Viva
21 Aug - 30 Aug	Volaris	direct
22 Aug - 30 Aug	Volaris	direct
27 Aug - 31 Aug	Viva	direct
25 Aug - 28 Aug	Volaris	direct
25 Aug - 27 Aug	Viva

Also check the deals for one-way flights from Houston to Mexico City in August.

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 August from 188€

Return flights