$56 Cheap flight deals from Colorado Springs (DEN) to O'Fallon (STL)
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This Weekend's Flight Deals from Colorado Springs to O'Fallon
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 $56 One Way, $116 Round Trip from Colorado Springs to O'Fallon
Prices starting at $116 for return flights and $56 for one-way flights to O'Fallon were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
O'Fallon economy flight packages
Courtyard by Marriott St. Louis St. Peters
Aug 6 - Aug 10
Denver (DEN) to St. Louis (STL)
St. Louis (STL) to Denver (DEN)
Reviewed on Jun 25, 2026
The Knight Center at Washington University
Aug 6 - Aug 10
Denver (DEN) to St. Louis (STL)
St. Louis (STL) to Denver (DEN)
Reviewed on Jul 1, 2026
More About Flying To O'Fallon from Colorado Springs
Route Information for Flights from Colorado Springs to O'Fallon
Origin Airport IATA Code | DEN |
|---|---|
Destination Airport IATA Code | STL |
Distance | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
Colorado Springs to O'Fallon
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Cruising for a bargain deal
Regardless of your destination, we always provide you fantastic bargains for your trip, and that includes on hotels and even cruises. We offer budget air fares on flights from Colorado Springs to O'Fallon so you can reach your destination with more money in your pocket to spend.
Cheap Colorado Springs to O'Fallon flights that lead to rewards
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Quality combinations
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Even last minute bookings on our apps
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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.