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

Return flights

01 Dec - 01 Dec	Aeromexico
06 Dec - 13 Dec	Aeromexico
23 Dec - 03 Jan	Aeromexico
06 Dec - 13 Dec	United	direct
03 Dec - 02 Jan	United	direct
19 Dec - 23 Dec	Aeromexico
11 Dec - 17 Dec	Viva
03 Dec - 12 Dec	Viva
06 Dec - 12 Dec	Viva
01 Dec - 12 Dec	Viva
03 Dec - 17 Dec	Viva
06 Dec - 17 Dec	Viva
11 Dec - 01 Jan	Viva
23 Dec - 03 Jan	United	direct
27 Dec - 01 Jan	Viva
30 Dec - 01 Jan	Viva
29 Dec - 01 Jan	Viva
27 Dec - 02 Jan	Viva
27 Dec - 03 Jan	Viva
23 Dec - 01 Jan	Viva

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

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 December from 335€

Return flights