Cheapest return flights from Chicago to San Luis Potosi in September from $254

AirHint found the following cheapest return flights from Chicago (MDW) to San Luis Potosi (SLP) in September 2026 (see full year).

Return flights

01 Sep - 22 Sep Volaris direct
08 Sep - 22 Sep Volaris direct
08 Sep - 04 Oct Volaris direct
01 Sep - 08 Sep Volaris direct
09 Sep - 27 Sep Aeromexico
09 Sep - 29 Sep Aeromexico
08 Sep - 21 Sep Aeromexico
09 Sep - 16 Sep Aeromexico
02 Sep - 23 Sep Aeromexico

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

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