starting at $291
starting at $149
starting at $139
starting at $158
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.
We carefully collect statistics on the search and pricing of airlines and, based on these data, we make an assumption about future prices. Thus, you can better understand which season is the cheapest to fly from Chicago to Denver
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.
The only airline operating direct flights from Chicago to Denver is United Airlines. Flights operate every day.
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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 Chicago — Denver route is served by a wide range of airlines: 4 in total, including Southwest Airlines, United Airlines, Frontier Airlines, and American Airlines. Competition among carriers gives passengers the opportunity to find tickets at attractive fares — with prices starting from $139. Our service helps compare all available offers within seconds and choose the most convenient option. You can filter flights by price, departure time, or baggage rules to make your trip as comfortable as possible. With so many airlines, there’s always a chance to catch special promotions and save.
starting at $291
starting at $149
starting at $139
starting at $158
Chicago — Denver
10/02/2026
Departure
Direct flight
WN2879
starting at $291
Chicago — Denver
07/06/2027
Departure
Direct flight
UA541
starting at $341
Chicago — Denver
07/09/2027
Departure
Direct flight
UA2666
starting at $252
Chicago — Denver
10/08/2026
Departure
Direct flight
UA767
starting at $229
Chicago — Denver
03/10/2027
Departure
Direct flight
UA2803
starting at $149
United Airlines
Every day
starting at $242
The cheapest flight ticket from Chicago to Denver according to data for the last 48 hours costs $139
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: September.
The fastest flights from Chicago to Denver start from 2 hours 42 minutes in the air.
The following airlines operate direct flights on the route Chicago — Denver: Southwest Airlines, United Airlines
The cheapest one-way flight from Chicago to Denver departs on 03/10/2027, is operated by Frontier Airlines and costs $139
The cheapest roundtrip flight from Chicago to Denver departs on 10/28/2026, is operated by Frontier Airlines and costs $140
Fastest flight from Chicago to Denver takes
All airports
There are direct flights on this route 4 days a week: Tu, We, Th, and Fr
The distance between Chicago and Denver is 1477km (916 miles). There are 101 direct flights from Chicago to Denver. The time difference between Chicago and Denver is 1h. Flights from Chicago begin at 5:00 AM. The latest flight from Chicago departs at 10:35 PM
We couldn't find any special offers for flights from Chicago to Denver