AirHint found the following cheapest return flights from Houston (HOU) to San Luis Potosi (SLP) in January 2026 (see full year).

Return flights

31 Jan - 07 Feb	Volaris	direct
29 Jan - 05 Feb	Volaris	direct
29 Jan - 31 Jan	Volaris	direct
29 Jan - 03 Feb	Volaris	direct
29 Jan - 30 Jan	Volaris
28 Jan - 31 Jan	Spirit Airlines
28 Jan - 30 Jan	Viva
31 Jan - 04 Feb	Viva
31 Jan - 05 Feb	Viva
31 Jan - 03 Feb	Viva
29 Jan - 04 Feb	Viva
28 Jan - 07 Feb	Viva
28 Jan - 05 Feb	Viva
28 Jan - 03 Feb	Viva
28 Jan - 29 Jan	Viva
28 Jan - 31 Jan	United	direct
29 Jan - 30 Jan	United	direct

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

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 January from $186

Return flights