Cheap flights from Chicago to Saint Louis

Travel > North America > United States > Chicago to Saint Louis flights

Check our current prices for flights from Chicago to Saint Louis. 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 Chicago to Saint Louis, you will need to run a search below.

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From $125 / RT details

Book your flight now with Cheapoair.com and save!

Cheap Saint Louis airfares from $125/RT are provided by Cheapoair.com. Outbound flight is leaving on 01/25/2025, 09:25 pm from Chicago O`hare (ORD) airport and arrives at St. Louis Intl (STL) at 11:30 am. The flight time is 14 hours and 5 minutes. The Returning flight departes on 02/04/2025, 12:00 pm (other return dates are also available). Date posted: 28 Nov 2024

Price evolution for flights From Chicago To Saint Louis

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

• $125 Itali Airlines 

  From	To	Departure	Time
  Chicago, IL (ORD)	Saint Louis, MO (STL)	01/25/2025	09:25 pm
  Saint Louis, MO (STL)	Chicago, IL (ORD)	02/04/2025	12:00 pm

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• $125 Itali Airlines 

  From	To	Departure	Time
  Chicago, IL (ORD)	Saint Louis, MO (STL)	02/11/2025	08:20 pm
  Saint Louis, MO (STL)	Chicago, IL (ORD)	02/18/2025	12:15 pm

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• $125 Itali Airlines 

  From	To	Departure	Time
  Chicago, IL (ORD)	Saint Louis, MO (STL)	03/11/2025	08:20 pm
  Saint Louis, MO (STL)	Chicago, IL (ORD)	03/25/2025	12:15 pm

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• $175 Multiple Airlines 

  From	To	Departure	Time
  Chicago, IL (ORD)	Saint Louis, MO (STL)	02/11/2025	10:30 am
  Saint Louis, MO (STL)	Chicago, IL (ORD)	02/18/2025	12:15 pm

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• $427 Multiple Airlines 

  From	To	Departure	Time
  Chicago, IL (ORD)	Saint Louis, MO (STL)	03/11/2025	07:30 pm
  Saint Louis, MO (STL)	Chicago, IL (ORD)	03/25/2025	12:15 pm

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• $68 Itali Airlines 

  From	To	Departure	Time
  Chicago, IL (ORD)	Saint Louis, MO (STL)	03/11/2025	08:20 pm

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• $359 Frontier Airlines 

  From	To	Departure	Time
  Chicago, IL (MDW)	Saint Louis, MO (STL)	03/11/2025	06:00 am

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• $365 Frontier Airlines 

  From	To	Departure	Time
  Chicago, IL (ORD)	Saint Louis, MO (STL)	03/11/2025	05:56 pm

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