AirHint found the following cheapest return flights from Houston (IAH) to San Luis Potosi (SLP) in April 2026 (see full year).
Return flights
| 02 Apr - 02 May | Volaris | direct | |
| 02 Apr - 07 Apr | Volaris | direct | |
| 09 Apr - 12 Apr | Volaris | ||
| 02 Apr - 06 Apr | Volaris | ||
| 02 Apr - 05 Apr | Volaris | ||
| 09 Apr - 12 Apr | United | direct |
Also check the deals for one-way flights from Houston to San Luis Potosi in April.
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