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Cheap Flights from St. Louis to Chicago by Month

On the St. Louis-Chicago route, airlines such as Southwest Airlines, American Airlines, United Airlines operate flights. There are an average of 135 flights per week. Flight duration is usually
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May
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June
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July
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August
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September
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November
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December
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January
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February
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March
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April
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Flight schedule St. Louis-Chicago

Time Flight Departure days
05:5107:10 American Airlines 629 STL-ORD TFS 🔎
05:5507:11 American Airlines 629 STL-ORD MTWTFSS 🔎
06:0007:31 United Airlines 4428 STL-ORD MTWTFSS 🔎
06:0507:24 American Airlines 629 STL-ORD S 🔎
06:1007:15 Southwest Airlines 3239 STL-MDW MTF 🔎
06:3007:35 Southwest Airlines 3239 STL-MDW TW 🔎
06:4507:50 Southwest Airlines 3239 STL-MDW S 🔎
06:5007:55 Southwest Airlines 3239 STL-MDW S 🔎
07:4509:04 American Airlines 4789 STL-ORD MTWTFSS 🔎
07:5909:20 American Airlines 4407 STL-ORD MTWTFSS 🔎
08:0509:36 United Airlines 4183 STL-ORD MTWTFSS 🔎
09:4510:50 Southwest Airlines 4631 STL-MDW TW 🔎
09:5111:08 American Airlines 3564 STL-ORD MTWTFSS 🔎
10:0011:05 Southwest Airlines 5866 STL-MDW MTFS 🔎
10:0911:29 American Airlines 3564 STL-ORD MTWTFSS 🔎
10:1011:41 United Airlines 4426 STL-ORD MTWTFSS 🔎
11:0012:24 United Airlines 4478 STL-ORD S 🔎
11:1012:31 United Airlines 2467 STL-ORD MTWTF 🔎
11:1012:35 United Airlines 5374 STL-ORD S 🔎
11:1012:35 United Airlines 3469 STL-ORD F 🔎
11:4012:59 American Airlines 4794 STL-ORD MTWTF 🔎
12:0313:23 American Airlines 3743 STL-ORD S 🔎
12:2013:25 Southwest Airlines 1268 STL-MDW TW 🔎
12:2013:40 American Airlines 3743 STL-ORD F 🔎
12:2013:41 American Airlines 6054 STL-ORD S 🔎
12:2013:41 Alaska Airlines 6828 STL-ORD S 🔎
12:3513:40 Southwest Airlines 3241 STL-MDW MTF 🔎
13:1514:20 Southwest Airlines 3242 STL-MDW S 🔎
14:2015:25 Southwest Airlines 2732 STL-MDW S 🔎
14:4015:45 Southwest Airlines 3242 STL-MDW TW 🔎
15:0016:18 American Airlines 6031 STL-ORD MTWTFSS 🔎
15:0016:18 Alaska Airlines 4426 STL-ORD MTWTFSS 🔎
15:0516:25 American Airlines 3332 STL-ORD F 🔎
15:1516:41 United Airlines 5618 STL-ORD MTWTFS 🔎
15:1516:41 United Airlines 3568 STL-ORD WTFSS 🔎
15:3916:59 American Airlines 3332 STL-ORD S 🔎
15:4117:01 American Airlines 3332 STL-ORD S 🔎
15:5016:55 Southwest Airlines 3242 STL-MDW MTF 🔎
17:0218:22 American Airlines 3545 STL-ORD WS 🔎
17:0818:25 American Airlines 872 STL-ORD MTWTFS 🔎
17:1018:15 Southwest Airlines 3244 STL-MDW S 🔎
17:2518:30 Southwest Airlines 5687 STL-MDW TW 🔎
17:2518:40 American Airlines 2377 STL-ORD FS 🔎
17:2518:45 United Airlines 602 STL-ORD MTWTFS 🔎
17:3518:40 Southwest Airlines 5687 STL-MDW MTF 🔎
17:3518:55 United Airlines 602 STL-ORD S 🔎
18:2519:30 Southwest Airlines 5687 STL-MDW S 🔎
21:3022:35 Southwest Airlines 3244 STL-MDW TW 🔎
22:5023:55 Southwest Airlines 3244 STL-MDW S 🔎