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

Return flights

04 Sep - 09 Sep	Volaris	direct
11 Sep - 13 Sep	Volaris	direct
20 Sep - 23 Sep	Volaris	direct
13 Sep - 18 Sep	Volaris	direct
11 Sep - 18 Sep	Volaris	direct
11 Sep - 16 Sep	Volaris	direct
09 Sep - 15 Sep	Volaris
04 Sep - 08 Sep	Volaris
11 Sep - 17 Sep	Volaris
02 Sep - 07 Sep	Volaris
21 Sep - 01 Oct	Viva
21 Sep - 11 Oct	Viva
24 Sep - 01 Oct	Viva
21 Sep - 02 Oct	Viva
28 Sep - 16 Oct	Viva
28 Sep - 01 Oct	Viva
24 Sep - 13 Oct	Viva
24 Sep - 12 Oct	Viva
24 Sep - 11 Oct	Viva
28 Sep - 13 Oct	Viva

Also check the deals for one-way flights from Houston to San Luis Potosi 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 San Luis Potosi in September from $160

Return flights