Flights to Central Colorado from St. Louis - ￥12,750

View ￥12,750 flight on Thu, Aug 21, 2025Opens in a new window

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Cheap Flights from St. Louis to Central Colorado (STL-DEN)

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.

Delta
Wed, Aug 6 - Mon, Aug 11
STL
St. Louis
COS
Colorado Springs
￥31,340 Roundtrip, found 1 day ago
￥31,340
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Aug 6 from St. Louis to Colorado Springs, returning Mon, Aug 11, priced at ￥31,340 found 1 day ago
American Airlines
Wed, Aug 6 - Mon, Aug 11
STL
St. Louis
COS
Colorado Springs
￥35,860 Roundtrip, found 1 day ago
￥35,860
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Aug 6 from St. Louis to Colorado Springs, returning Mon, Aug 11, priced at ￥35,860 found 1 day ago
American Airlines
Tue, Aug 5 - Sun, Aug 10
STL
St. Louis
DEN
Denver
￥36,400 Roundtrip, found 2 days ago
￥36,400
Roundtrip
found 2 days ago
Select American Airlines flight, departing Tue, Aug 5 from St. Louis to Denver, returning Sun, Aug 10, priced at ￥36,400 found 2 days ago
American Airlines
Wed, Aug 6 - Mon, Aug 11
STL
St. Louis
COS
Colorado Springs
￥37,260 Roundtrip, found 1 day ago
￥37,260
Roundtrip
found 1 day ago
Select American Airlines flight, departing Wed, Aug 6 from St. Louis to Colorado Springs, returning Mon, Aug 11, priced at ￥37,260 found 1 day ago
Delta
Wed, Aug 6 - Mon, Aug 11
STL
St. Louis
COS
Colorado Springs
￥39,190 Roundtrip, found 1 day ago
￥39,190
Roundtrip
found 1 day ago
Select Delta flight, departing Wed, Aug 6 from St. Louis to Colorado Springs, returning Mon, Aug 11, priced at ￥39,190 found 1 day ago
United
Tue, Aug 5 - Sun, Aug 10
STL
St. Louis
DEN
Denver
￥47,980 Roundtrip, found 2 days ago
￥47,980
Roundtrip
found 2 days ago
Select United flight, departing Tue, Aug 5 from St. Louis to Denver, returning Sun, Aug 10, priced at ￥47,980 found 2 days ago

Find the cheapest month to fly from St. Louis (STL) to Denver (DEN)

September is typically the cheapest month to fly

From ￥6,876 - ￥18,353 per traveler.

Graph displaying average flight prices per month

*Available to Expedia members.