Flights to Southern Illinois from Chicago - ￥6,630

View ￥6,630 flight on Wed, Oct 1, 2025Opens in a new window

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Cheap Flights from Chicago to Southern Illinois (CHI-STL)

Prices were available within the past 7 days and start at ￥6,630 for one-way flights and ￥13,170 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Aug 27 - Sun, Aug 31
ORD
Chicago
STL
St. Louis
￥13,170 Roundtrip, found 4 days ago
￥13,170
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Aug 27 from Chicago to St. Louis, returning Sun, Aug 31, priced at ￥13,170 found 4 days ago
American Airlines
Fri, Aug 1 - Fri, Aug 15
ORD
Chicago
STL
St. Louis
￥17,580 Roundtrip, found 5 days ago
￥17,580
Roundtrip
found 5 days ago
Select American Airlines flight, departing Fri, Aug 1 from Chicago to St. Louis, returning Fri, Aug 15, priced at ￥17,580 found 5 days ago
American Airlines
Wed, Aug 27 - Sun, Aug 31
ORD
Chicago
STL
St. Louis
￥21,880 Roundtrip, found 4 days ago
￥21,880
Roundtrip
found 4 days ago
Select American Airlines flight, departing Wed, Aug 27 from Chicago to St. Louis, returning Sun, Aug 31, priced at ￥21,880 found 4 days ago
United
Fri, Aug 22 - Fri, Aug 29
ORD
Chicago
STL
St. Louis
￥22,010 Roundtrip, found 4 days ago
￥22,010
Roundtrip
found 4 days ago
Select United flight, departing Fri, Aug 22 from Chicago to St. Louis, returning Fri, Aug 29, priced at ￥22,010 found 4 days ago
Delta
Fri, Aug 22 - Fri, Aug 29
ORD
Chicago
STL
St. Louis
￥23,970 Roundtrip, found 4 days ago
￥23,970
Roundtrip
found 4 days ago
Select Delta flight, departing Fri, Aug 22 from Chicago to St. Louis, returning Fri, Aug 29, priced at ￥23,970 found 4 days ago
Southern Airways Express
Thu, Aug 7 - Tue, Aug 12
ORD
Chicago
STL
St. Louis
￥25,680 Roundtrip, found 5 days ago
￥25,680
Roundtrip
found 5 days ago
Select Southern Airways Express flight, departing Thu, Aug 7 from Chicago to St. Louis, returning Tue, Aug 12, priced at ￥25,680 found 5 days ago
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