$35 Cheap flight deals from Chicago (CHI) to Boulder (DEN)
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This Weekend's Flight Deals from Chicago to Boulder
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 $35 One Way, $67 Round Trip from Chicago to Boulder
Prices starting at $67 for return flights and $35 for one-way flights to Boulder were the cheapest prices found within the past 7 days, for the period specified. Prices and availability are subject to change. Additional terms apply.
Boulder economy flight packages
Ski Tip Lodge by Keystone Resort
Mar 1 - Mar 7
Chicago (ORD) to Denver (DEN)
Reviewed on Mar 2, 2024
Hotel Clio, a Luxury Collection Hotel, Denver Cherry Creek
Mar 24 - Mar 29
Chicago (ORD) to Denver (DEN)
Denver (DEN) to Chicago (ORD)
Reviewed on Apr 4, 2022
Hyatt Vacation Club at The Ranahan
Mar 8 - Mar 14
Chicago (ORD) to Denver (DEN)
Reviewed on Jan 15, 2026
More About Flying To Boulder from Chicago
Route Information for Flights from Chicago to Boulder
Origin Airport IATA Code | CHI |
|---|---|
Destination Airport IATA Code | DEN |
Distance | |
Direct Flight Airlines | |
Earliest Flight Arrival | |
Latest Flight Arrival |
Chicago to Boulder
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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.