AirHint found the following cheapest return flights from Houston (IAH) to San Luis Potosi (SLP) in August 2025 (see full year).

Return flights

30 Aug - 01 Sep	Volaris
30 Aug - 18 Sep	Viva
30 Aug - 17 Sep	Viva
30 Aug - 15 Sep	Viva
30 Aug - 13 Sep	Viva
30 Aug - 07 Sep	Viva
30 Aug - 08 Sep	Viva
30 Aug - 19 Sep	Viva
30 Aug - 10 Sep	Viva
30 Aug - 04 Sep	Viva
30 Aug - 31 Aug	Viva
29 Aug - 31 Aug	Viva

Also check the deals for one-way flights from Houston to San Luis Potosi 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.

Book a cheap hotel in San Luis Potosi

Cheap car rent in San Luis Potosi

Cheapest return flights from Houston to San Luis Potosi in August from $505

Return flights