starting at $108
starting at $220
starting at $40
starting at $113
Compare airlines, prices, and flight durations for your trip
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.
A direct flight is the easiest way to get to your destination. The following airlines operate non-stop flights from Denver to Chicago:
•
•
•
•
•
•
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 Denver — Chicago is served by many carriers — 4 in total, including United Airlines, Southwest Airlines, Frontier Airlines, and American Airlines. This gives passengers wide opportunities: from finding the lowest fare (from $40) to selecting flights by schedule or service class. Our service aggregates data from multiple booking systems so you can compare offers in one place. This saves time and money: no need to check dozens of sites — just pick the right option and book online.
starting at $108
starting at $220
starting at $40
starting at $113
Denver — Chicago
01/30/2026
Departure
Direct flight
UA377
starting at $213
Denver — Chicago
02/09/2026
Departure
Direct flight
WN2556
starting at $286
Denver — Chicago
04/02/2026
Departure
Direct flight
UA1488
starting at $108
Denver — Chicago
05/15/2026
Departure
Direct flight
UA297
starting at $121
Denver — Chicago
05/24/2026
Departure
Direct flight
UA377
starting at $178
Denver — Chicago
07/19/2026
Departure
Direct flight
WN1535
starting at $220
Unable to find information about the schedule of direct flights from
The cheapest one-way flight from Denver to Chicago departs on 05/14/2026, is operated by Frontier Airlines and costs $40
The cheapest roundtrip flight from Denver to Chicago departs on 02/23/2026, is operated by Frontier Airlines and costs $145
Fastest flight from Denver to Chicago takes 2h 28m
•
RFD
There are direct flights on this route 4 days a week: Su, Mo, Th, and Fr
The distance between Denver and Chicago is 1477km (916 miles). There are 75 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 8:45 PM
The cheapest flight ticket from Denver to Chicago according to data for the last 48 hours costs $40
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: April, February.
The fastest flights from Denver to Chicago start from 2 hours 28 minutes in the air.
The following airlines operate direct flights on the route Denver — Chicago: United Airlines, Southwest Airlines
In different months, ticket prices from Denver to Chicago vary: minimum — $85 (April 2026), maximum — $89 (February 2026). Typically, the flight costs $87–$89.
We couldn't find any special offers for flights from Denver to Chicago