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 Denver to Chicago. 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 Denver to Chicago, despite the fact that sometimes flights with transfers can cost significantly less.
The only airline operating direct flights from Denver to Chicago is United Airlines. Flights operate on Monday and Friday.
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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 Denver — Chicago route is served by multiple airlines, including United Airlines, Southwest Airlines, and Frontier Airlines. This is convenient for those who want the best balance of price, schedule, and travel conditions. Tickets start from $115, and depending on season and promotions, even better deals may appear. With our service, you can easily compare available options and book tickets that match your plans. The variety of carriers allows flexible choices and comfortable travel without overpaying.
Denver — Chicago
06/03/2026
Departure
Direct flight
UA2430
starting at $234
Denver — Chicago
06/05/2026
Departure
Direct flight
WN1655
starting at $251
Denver — Chicago
06/06/2026
Departure
Direct flight
F93174
starting at $216
United Airlines
Mo and Fr
starting at $343
The cheapest one-way flight from Denver to Chicago departs on 06/03/2026, is operated by Frontier Airlines and costs $115
The cheapest roundtrip flight from Denver to Chicago departs on 07/09/2026, is operated by Frontier Airlines and costs $192
Fastest flight from Denver to Chicago takes 2h 38m
There are direct flights on this route 3 days a week: We, Fr, and Sa
The distance between Denver and Chicago is 1477km (916 miles). The average flight duration is 2h 35m. There are 23 direct flights from Denver to Chicago. The time difference between Denver and Chicago is 1h. Flights from Denver begin at 6:00 AM. The latest flight from Denver departs at 9:21 PM
We couldn't find any special offers for flights from Denver to Chicago
The cheapest flight ticket from Denver to Chicago according to data for the last 48 hours costs $115
Often the best time to buy tickets from Denver to Chicago is 2 months before departure.
Based on statistics over the past years, the lowest prices for flights from Denver to Chicago can be found flying in these months: June.
The fastest flights from Denver to Chicago start from 2 hours 38 minutes in the air.
The following airlines operate direct flights on the route Denver — Chicago: United Airlines, Southwest Airlines, Frontier Airlines
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 Denver to Chicago