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Chicago (ORD) to St. Louis (STL) Flight Deals

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*Prices have been viewed by other users searching within the last 48 hours for flights on this route, and may not be currently available. Additional baggage charges and fees may apply. Other terms and conditions may apply.

Chicago (ORD) to St. Louis (STL) Flight Deals

Weather in St. Louis

Friday light rain
87°F 09/20/2019
Saturday light rain
84°F 09/21/2019
Sunday heavy intensity rain
84°F 09/22/2019
Monday sky is clear
79°F 09/23/2019
Tuesday light rain
75°F 09/24/2019
Wednesday light rain
88°F 09/25/2019
Thursday overcast clouds
75°F 09/26/2019
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