Photo by Southernmost Illinois Tourism Bureau

Popular airlines from Chicago to Southwest Illinois
Peach
Skymark Airlines
All Nippon Airways
Japan Airlines
Jetstar Japan
Solaseed Air
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Cheap Flights from Chicago to Southwest 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.

Wed, Aug 27 - Sun, Aug 31
ORD
Chicago
STL
St. Louis
¥13,170 Roundtrip, found 21 hours ago
¥13,170
Roundtrip
found 21 hours ago

Wed, Aug 20 - Wed, Aug 27
ORD
Chicago
STL
St. Louis
¥13,260 Roundtrip, found 3 days ago
¥13,260
Roundtrip
found 3 days ago

Fri, Aug 1 - Fri, Aug 15
ORD
Chicago
STL
St. Louis
¥17,580 Roundtrip, found 1 day ago
¥17,580
Roundtrip
found 1 day ago

Wed, Aug 6 - Sat, Aug 16
ORD
Chicago
STL
St. Louis
¥21,730 Roundtrip, found 4 days ago
¥21,730
Roundtrip
found 4 days ago

Fri, Aug 22 - Fri, Aug 29
ORD
Chicago
STL
St. Louis
¥23,970 Roundtrip, found 19 hours ago
¥23,970
Roundtrip
found 19 hours ago

Sun, Aug 3 - Tue, Aug 19
ORD
Chicago
STL
St. Louis
¥25,440 Roundtrip, found 4 days ago
¥25,440
Roundtrip
found 4 days ago
Nearby Cities
Top Routes to Southwest Illinois
- Chicago to Southwest Illinois
- Shanghai to Southwest Illinois
- Newark to Southwest Illinois
- Kobe to Southwest Illinois
- Boston to Southwest Illinois
- Kansas City to Southwest Illinois
- Incheon to Southwest Illinois
- Nagoya to Southwest Illinois
- Osaka to Southwest Illinois
- Fukuoka to Southwest Illinois
- Tokyo to Southwest Illinois
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Flights
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