
$52 Cheap flight deals from St. Louis (STL) to Fort Collins (DEN)
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This Weekend's Flight Deals from St. Louis to Fort Collins
This weekend's flight prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Airfares from $52 One Way, $104 Round Trip from St. Louis to Fort Collins
Prices starting at $104 for return flights and $52 for one-way flights to Fort Collins were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Fort Collins economy flight packages

Comfort Inn & Suites Brighton Denver NE Medical Center
Nov 14 - Nov 16
St. Louis (STL) to Denver (DEN)
Reviewed on Sep 22, 2025

Moxy Boulder University
Nov 6 - Nov 9
St. Louis (STL) to Denver (DEN)
Reviewed on Aug 1, 2025

Patterson Inn
Nov 6 - Nov 9
St. Louis (STL) to Denver (DEN)
Reviewed on May 9, 2024
More About Flying To Fort Collins from St. Louis
Route Information for Flights from St. Louis to Fort Collins
Origin Airport IATA Code | STL |
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Destination Airport IATA Code | DEN |
Distance | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
St. Louis to Fort Collins
For the best travel experience from St. Louis to Fort Collins domestic and international travelers everywhere choose Orbitz for guaranteed low prices and cutting-edge mobile tools.
Convenient Low-Cost Travel
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Fare, taxes & fees: Fares include all taxes and fees, except baggage fees. Rates shown reflect fares found by other Orbitz users over the past 7 days. Due to rapidly changing airline prices & seat availability, these fares may no longer be available.
Refunds/changes/cancellations: Itinerary changes, if permitted for the fare, will have a $30 service fee charged by Orbitz. Additional airline charges may apply.
Other conditions: Schedules, fares and rules are subject to change without notice. Seats are limited and may not be available on all flights/dates or in all markets. Lower fares may be available. Fares will not be honored retroactively or in exchange for any wholly/partially unused ticket. Tickets are non-transferable and non-refundable. Fare rules are provided for the selected itinerary before booking.