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

Return flights

04 Oct - 11 Oct	Volaris	direct
09 Oct - 14 Oct	Volaris	direct
10 Oct - 13 Oct	Aeromexico
03 Oct - 12 Oct	Aeromexico
16 Oct - 23 Oct	Aeromexico
11 Oct - 16 Oct	Frontier Airlines
10 Oct - 13 Oct	United	direct
03 Oct - 12 Oct	United	direct
20 Oct - 10 Nov	Viva
20 Oct - 31 Oct	Viva
18 Oct - 31 Oct	Viva
20 Oct - 06 Nov	Viva
18 Oct - 06 Nov	Viva
16 Oct - 06 Nov	Viva
30 Oct - 10 Nov	Viva
30 Oct - 16 Nov	Viva
30 Oct - 14 Nov	Viva
30 Oct - 20 Nov	Viva
30 Oct - 06 Nov	Viva
30 Oct - 19 Nov	Viva

Also check the deals for one-way flights from Houston to San Luis Potosi 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 San Luis Potosi in October from $159

Return flights