Flaut.Travel was designed and developed by a team dedicated to making the process of searching, comparing and booking airline tickets as easy and convenient as possible. Our service helps travelers to find and buy the cheapest flights from Chicago to Denver. We have connected more than 40 airlines and airline ticketing agencies to help you find the most suitable and affordable flight option.
A non-stop flight is the most convenient and comfortable way to fly from Chicago to Denver, despite the fact that sometimes flights with transfers can cost significantly less.
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Answers to questions about the route that travelers are most interested in.
We keep tight track on airlines' pre-holidays sales and other special offers occurences all the time to let you save maximum amount of funds while traveling to your family or just going out on vacation.
The route Chicago — Denver is served by several airlines: United Airlines, Southwest Airlines, and Frontier Airlines. This gives passengers more freedom in choosing flights. You can consider not only the price but also schedules, baggage policies, and onboard service. Our service compares all offers so you can find tickets from $112 and choose the most convenient option. Thanks to airline competition, you may also find promotional fares or special offers, helping you save even more. Plan your trip in advance and choose the best flights without overpaying.
Chicago — Denver
06/07/2026
Departure
Direct flight
UA2794
starting at $441
Chicago — Denver
06/08/2026
Departure
Direct flight
WN2765
starting at $337
Chicago — Denver
04/23/2027
Departure
Direct flight
UA2806
starting at $172
There are most likely no direct flights on the Chicago — Denver route
The cheapest one-way flight from Chicago to Denver departs on 06/03/2026, is operated by Frontier Airlines and costs $112
The cheapest roundtrip flight from Chicago to Denver departs on 09/04/2026, is operated by Frontier Airlines and costs $139
Fastest flight from Chicago to Denver takes 2h 41m
There are direct flights on this route 3 days a week: Su, Mo, and Fr
The distance between Chicago and Denver is 1477km (916 miles). The average flight duration is 2h 59m. The time difference between Chicago and Denver is 1h
The cheapest flight ticket from Chicago to Denver according to data for the last 48 hours costs $112
Often the best time to buy tickets from Chicago to Denver is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Chicago to Denver can be found flying in these months: June, April.
The fastest flights from Chicago to Denver start from 2 hours 41 minutes in the air.
The following airlines operate direct flights on the route Chicago — Denver: United Airlines, Southwest Airlines
The minimum one-way ticket price from Chicago to Denver is $112 (June 2026), while the maximum is $172 (April 2027). On average, a ticket costs $142–$172.
We couldn't find any special offers for flights from Chicago to Denver