Flights to Southern Illinois from Chicago - ￥6,800

View ￥6,800 flight on Wed, Aug 27, 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 ￥6,800 for one-way flights and ￥14,450 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Tue, Dec 30 - Thu, Jan 1
ORD
Chicago
STL
St. Louis
￥14,450 Roundtrip, found 6 hours ago
￥14,450
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Tue, Dec 30 from Chicago to St. Louis, returning Thu, Jan 1, priced at ￥14,450 found 6 hours ago
United
Tue, Sep 23 - Tue, Oct 7
ORD
Chicago
STL
St. Louis
￥22,390 Roundtrip, found 1 day ago
￥22,390
Roundtrip
found 1 day ago
Select United flight, departing Tue, Sep 23 from Chicago to St. Louis, returning Tue, Oct 7, priced at ￥22,390 found 1 day ago
American Airlines
Mon, Sep 22 - Tue, Oct 7
ORD
Chicago
STL
St. Louis
￥22,820 Roundtrip, found 1 day ago
￥22,820
Roundtrip
found 1 day ago
Select American Airlines flight, departing Mon, Sep 22 from Chicago to St. Louis, returning Tue, Oct 7, priced at ￥22,820 found 1 day ago
American Airlines
Wed, Nov 5 - Sat, Nov 22
ORD
Chicago
STL
St. Louis
￥23,030 Roundtrip, found 1 day ago
￥23,030
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Nov 5 from Chicago to St. Louis, returning Sat, Nov 22, priced at ￥23,030 found 1 day ago
Southern Airways Express
Sun, Sep 28 - Tue, Oct 7
ORD
Chicago
STL
St. Louis
￥26,100 Roundtrip, found 1 day ago
￥26,100
Roundtrip
found 1 day ago
Select Southern Airways Express flight, departing Sun, Sep 28 from Chicago to St. Louis, returning Tue, Oct 7, priced at ￥26,100 found 1 day ago
Delta
Thu, Sep 18 - Sun, Oct 5
ORD
Chicago
STL
St. Louis
￥26,130 Roundtrip, found 1 day ago
￥26,130
Roundtrip
found 1 day ago
Select Delta flight, departing Thu, Sep 18 from Chicago to St. Louis, returning Sun, Oct 5, priced at ￥26,130 found 1 day ago
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