Flights to Southwest Illinois from Colorado Springs - ￥12,750

View ￥12,750 flight on Wed, Aug 20, 2025Opens in a new window

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Cheap Flights from Colorado Springs to Southwest Illinois (DEN-STL)

Prices were available within the past 7 days and start at ￥12,750 for one-way flights and ￥31,340 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

American Airlines
Wed, Aug 6 - Mon, Aug 11
COS
Colorado Springs
STL
St. Louis
￥31,340 Roundtrip, found 1 day ago
￥31,340
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Aug 6 from Colorado Springs to St. Louis, returning Mon, Aug 11, priced at ￥31,340 found 1 day ago
Delta
Wed, Aug 6 - Mon, Aug 11
COS
Colorado Springs
STL
St. Louis
￥31,340 Roundtrip, found 1 day ago
￥31,340
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Aug 6 from Colorado Springs to St. Louis, returning Mon, Aug 11, priced at ￥31,340 found 1 day ago
Delta
Wed, Aug 6 - Mon, Aug 11
COS
Colorado Springs
STL
St. Louis
￥33,820 Roundtrip, found 1 day ago
￥33,820
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Aug 6 from Colorado Springs to St. Louis, returning Mon, Aug 11, priced at ￥33,820 found 1 day ago
American Airlines
Tue, Aug 5 - Sun, Aug 10
DEN
Denver
STL
St. Louis
￥36,400 Roundtrip, found 2 days ago
￥36,400
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Aug 5 from Denver to St. Louis, returning Sun, Aug 10, priced at ￥36,400 found 2 days ago
Delta
Tue, Aug 5 - Sun, Aug 10
DEN
Denver
STL
St. Louis
￥37,790 Roundtrip, found 2 days ago
￥37,790
Roundtrip
found 2 days ago
Select Delta flight, departing Tue, Aug 5 from Denver to St. Louis, returning Sun, Aug 10, priced at ￥37,790 found 2 days ago
United
Tue, Aug 5 - Sun, Aug 10
DEN
Denver
STL
St. Louis
￥43,680 Roundtrip, found 2 days ago
￥43,680
Roundtrip
found 2 days ago
Select United flight, departing Tue, Aug 5 from Denver to St. Louis, returning Sun, Aug 10, priced at ￥43,680 found 2 days ago
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