
$42 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 $42 One Way, $88 Round Trip from Chicago to Boulder
Prices starting at $88 for return flights and $42 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

Tivoli Lodge
Jul 12 - Jul 16
Chicago (ORD) to Denver (DEN)
Denver (DEN) to Chicago (ORD)
Reviewed on Dec 3, 2025

Antlers at Vail
Jul 12 - Jul 16
Chicago (ORD) to Denver (DEN)
Denver (DEN) to Chicago (ORD)
Reviewed on May 4, 2025

Manor Vail Lodge
Jul 12 - Jul 16
Chicago (ORD) to Denver (DEN)
Denver (DEN) to Chicago (ORD)
Reviewed on Feb 17, 2025
Boulder packages with premium economy flights

Populus
Jul 2 - Jul 5
Chicago (CHI) to Denver (DEN)
Reviewed on Sep 11, 2025

The Source Hotel
Jul 2 - Jul 6
Chicago (CHI) to Denver (DEN)
Reviewed on May 4, 2026

Patterson Inn
Jul 2 - Jul 5
Chicago (CHI) to Denver (DEN)
Reviewed on Sep 28, 2025
Boulder business class flight packages

La Quinta Inn & Suites by Wyndham Denver Gateway Park
Jul 2 - Jul 6
Chicago (CHI) to Denver (DEN)
Reviewed on Mar 13, 2026

The Benson Hotel & Faculty Club
Jul 2 - Jul 6
Chicago (CHI) to Denver (DEN)
Reviewed on Mar 21, 2025

Homewood Suites by Hilton Denver Int'l Airport
Jul 2 - Jul 6
Chicago (CHI) to Denver (DEN)
Reviewed on Jan 26, 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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Flights 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.


