$52 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 $52 One Way, $104 Round Trip from Colorado Springs to O'Fallon
Prices starting at $104 for return flights and $52 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
DoubleTree by Hilton St. Louis Forest Park
Nov 6 - Nov 9
Denver (DEN) to St. Louis (STL)
St. Louis (STL) to Denver (DEN)
Reviewed on Apr 27, 2025
Angad Arts Hotel St. Louis, Tapestry Collection by Hilton
Nov 6 - Nov 9
Denver (DEN) to St. Louis (STL)
St. Louis (STL) to Denver (DEN)
Reviewed on Sep 9, 2024
Home2 Suites by Hilton St. Louis/Forest Park
Nov 6 - Nov 9
Denver (DEN) to St. Louis (STL)
St. Louis (STL) to Denver (DEN)
Reviewed on Sep 28, 2025
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 | 767 mi |
Direct Flight Airlines | Air Canada, Frontier Airlines, Southwest Airlines, United Airlines |
Earliest Flight Arrival | 2:45PM UTC |
Latest Flight Arrival | 5:58AM UTC |
Colorado Springs to O'Fallon
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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.