One-Way As Low as $109 | STL to MDW Flights
https://www.southwest.com › Southwest › Flights
AdFirst Travel Date Available: 2/12/2025. Seats/dates/mkts. Lmtd; restr/excl apply. Looking For Low Fares & Flexible With Travel Dates? Shop Our Low Fare Calendar Today!
Transfarency · Pick a Seat. Any Seat. · Fees Don't Fly · Points Don't Expire
Amenities: Inflight Entertainment, Movies Music & TV, Beverage Service
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