AirHint found the following cheapest return flights from San Luis Potosi (SLP) to Houston (IAH) in December 2026 (see full year).
Return flights
| 23 Dec - 02 Jan | Aeromexico | ||
| 23 Dec - 02 Jan | United | direct | |
| 13 Dec - 20 Dec | Volaris | ||
| 13 Dec - 20 Dec | United | direct |
Also check the deals for one-way flights from San Luis Potosi to Houston in December.
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