Cheap flights from Saint Louis to Chicago

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Check our current prices for flights from Saint Louis to Chicago. Please note that we also give you historical search data for this city connection. These are all airfares that people found in the past, in order to find more current flight information from Saint Louis to Chicago, you will need to run a search below.

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From $140 / RT details

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Cheap Chicago airfares from $140/RT are provided by Cheapoair.com. Outbound flight is leaving on 03/03/2025, 05:20 pm from St. Louis Intl (STL) airport and arrives at Chicago Midway (MDW) at 03:12 pm. The flight time is 21 hours and 52 minutes. The Returning flight departes on 03/10/2025, 12:49 pm (other return dates are also available). Date posted: 29 Jan 2025

Price evolution for flights From Saint Louis To Chicago

Price overview for flights from Saint Louis to Chicago

Recent Deals on Flights from Saint Louis to Chicago:Roundtrip / Oneway

  • $140Frontier Airlines flight Frontier Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Chicago, IL (MDW)03/03/202505:20 pm
    Chicago, IL (MDW)Saint Louis, MO (STL)03/10/202512:49 pm
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  • $175Itali Airlines flight Itali Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Chicago, IL (ORD)02/01/202512:15 pm
    Chicago, IL (ORD)Saint Louis, MO (STL)02/08/202501:10 pm
    cheapoair.com check price
  • $72Itali Airlines flight Itali Airlines 
    FromToDepartureTime
    Saint Louis, MO (STL)Chicago, IL (ORD)02/16/202512:15 pm
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Know what to do when flying to Chicago?

Chicago Travel Guide Founded in the early 1800s, Chicago is positioned between civilization and wilderness and many aspects of modern life had their start here. Chicago really does have it all, with less infrastructural problems than its coastal rivals. Though [...]
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