One-Way as Low as 130 to STL | DTW to STL Flights
https://www.southwest.com › Southwest › Flights
AdFirst Travel Date Available: 2/10/2025. Seats/dates/mkts. Lmtd; restr/excl apply. Looking For Low Fares & Flexible With Travel Dates? Shop Our Low Fare Calendar Today!
Types: Nonstop Flights, Round Trip Flights, One-Way Flights, Last Minute Flights
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