Cheap Flights from Chicago (CHI) to Denver (DEN)
Photo by Photo Courtesy of Denver International Airport
Open Photo by Photo Courtesy of Denver International Airport
Popular airlines from Chicago to Denver, CO (DEN-Denver Intl.)
Frontier AirlinesFrontier Airlines
Alaska AirlinesAlaska Airlines
DeltaDelta
UnitedUnited
American AirlinesAmerican Airlines
JetBlue AirwaysJetBlue Airways
Southwest AirlinesSouthwest Airlines
Be in the knowGet alerts if flight prices drop or rise*
Book smarterSave on select hotels after you book a flight*
Find the right fitWe search billions of combinations of flights to help you find your next adventure
Find the cheapest month to fly from Chicago (CHI) to Denver (DEN)
April is typically the cheapest month to flyApril is typically the cheapest month to fly
From SAR 308 - SAR 679 per traveler.
Travel information
Origin airport | Chicago O'Hare Intl. Airport |
|---|---|
Destination airport | Denver Intl. Airport |
Distance | 1,426 km away |
Airlines serving | Frontier Airlines, Alaska Airlines, United, American Airlines, Delta, JetBlue Airways, Sun Country Airlines |
Popular airline | Frontier Airlines |
Average flight time | 3 hours 47 mins |
*Available to One Key members.