$28 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 $28 One Way, $56 Round Trip from Colorado Springs to O'Fallon
Prices starting at $56 for return flights and $28 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
The Wildwood Hotel
Apr 15 - Apr 17
Denver (DEN) to St. Louis (STL)
St. Louis (STL) to Denver (DEN)
Reviewed on Oct 16, 2025
Ameristar Casino Resort and Spa
Apr 15 - Apr 17
Denver (DEN) to St. Louis (STL)
St. Louis (STL) to Denver (DEN)
Reviewed on Dec 2, 2025
Angad Arts Hotel St. Louis, Tapestry Collection by Hilton
Apr 15 - Apr 17
Denver (DEN) to St. Louis (STL)
St. Louis (STL) to Denver (DEN)
Reviewed on Jan 18, 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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Keep More Money in Your Pocket With Discount Flights
Orbitz looks for the best deals on Colorado Springs to O'Fallon flights for you. Mix and match airlines for your departing and return flights to fit your travel schedule and budget.
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O'Fallon Airports
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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.