
$40 Cheap flight deals from St. Louis (STL) to Fort Collins (DEN)
Earn rewards on top of your airline miles with Orbitz Rewards
Many airlines offer flexible change policies
Sign up to receive text alerts about your trip
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 $40 One Way, $79 Round Trip from St. Louis to Fort Collins
Prices starting at $79 for return flights and $40 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

Super 8 by Wyndham Henderson North East Denver
Jun 19 - Jun 23
St. Louis (STL) to Denver (DEN)
Denver (DEN) to St. Louis (STL)
Reviewed on Oct 7, 2024

Days Inn by Wyndham Thornton
Jun 19 - Jun 23
St. Louis (STL) to Denver (DEN)
Denver (DEN) to St. Louis (STL)
Reviewed on Apr 11, 2025

La Quinta Inn by Wyndham Denver Northglenn
Jun 19 - Jun 23
St. Louis (STL) to Denver (DEN)
Denver (DEN) to St. Louis (STL)
Reviewed on Jun 26, 2023
More About Flying To Fort Collins from St. Louis
Route Information for Flights from St. Louis to Fort Collins
Origin Airport IATA Code | STL |
---|---|
Destination Airport IATA Code | DEN |
Distance | 767 mi |
Direct Flight Airlines | Air Canada, Frontier Airlines, Southwest Airlines, United Airlines |
Earliest Flight Arrival | 12:59PM UTC |
Latest Flight Arrival | 2:15AM UTC |
St. Louis to Fort Collins
Trip-Planning Made Easy
Your search engine may give you thousands of pages of results when you search for cheap flights from St. Louis to Fort Collins, but you can save yourself a lot of hassle and money by going straight to Orbitz.com. Not only do we offer great deals on St. Louis to Fort Collins flights, but we make it easy to book hotels, car rentals, cruises, or a complete vacation package of your dreams.
Discount St. Louis to Fort Collins Flights
Orbitz’s low price guarantee means you get the best fares around. Find the lowest prices for international and domestic tickets and for flights from St. Louis to Fort Collins when you use Orbitz. It’s easy to add activities to your booking, so you can take advantage of all that Fort Collins has to offer.
Easily Book, Change, Cancel Flights From St. Louis to Fort Collins
Orbitz now offers free mobile device apps, so even the busiest multi-taskers can plan their vacations while away from their desktop computer. Plus, instant alerts to your email or mobile phone help you stay on top of any delays or travel updates, so you avoid unpleasant surprises before boarding your St. Louis to Fort Collins flights. Our Customer Service representatives are ready to assist you if you need to change your air travel plans.
Take Advantage of Frequent Flyer Options Through Orbitz
With Orbitz, you do not have to choose between a low fare and earning frequent flyer miles. Simply provide your frequent flyer information when you book your St. Louis to Fort Collins flights.
Frequently asked questions
- Flights to Fort Collins
- Flights from St. Louis
- St. Louis Airports
- Fort Collins Airports
- Airlines Operating
- Flights To
Flights from St. Louis
- St. Louis to Orlando
- St. Louis to Chicago
- St. Louis to New York
- St. Louis to Denver
- St. Louis to Phoenix
- St. Louis to Dallas
- St. Louis to Atlanta
- St. Louis to Houston
- St. Louis to Los Angeles
- St. Louis to New Orleans
- St. Louis to Montreal
- St. Louis to Toronto
- St. Louis to London
- St. Louis to San Francisco
- St. Louis to Detroit
- St. Louis to Washington
- St. Louis to Kansas City
- St. Louis to Rome
- St. Louis to Cleveland
- St. Louis to Carbondale
St. Louis Airports
- Flights to Aspen
- Flights to Cortez
- Flights to Grand Junction
- Flights to Montrose
- Flights to Delta
- Flights to Aurora
- Flights to Vail
- Flights to Greeley
- Flights to Estes Park
- Flights to Breckenridge
- Flights to Denver
- Flights to Durango Purgatory
- Flights to Telluride
- Flights to Colorado Springs
- Flights to Fort Collins
- Flights to Pueblo
- Flights to Boulder
- Flights to Buena Vista
- Flights to Moab
- Flights to Hayden
- Flights to Aspen Snowmass
Top Trending
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.