United Airlines Chicago to Denver Flights

Return flight: Denver – Chicago
Page navigation
Best Airfare Price Calendar Flights Schedule

Cheapflightsplus.com will find cheap United Airlines flights from Chicago to Denver. Compare airline ticket prices and book air tickets starting from $337 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of United Airlines, arrivals and departure details below.

Find Cheap Airfare Chicago (IL) — Denver (CO) by United Airlines

To find cheap tickets choose a day of your departure with attractive price on the graph below and click «Find flights». For round trip flights please click «Check prices for return flight». The cheapest airfare is in april: one-way - $337, two-way – $578.
Direct flights
  • Check to choose departure date Check to choose departure date
Check prices for return flight
Find flights

Cheap Flights from Chicago to Denver by United Airlines

Look at the list of plane tickets for the most connecting flights by United Airlines, their prices start from $337. There’re no direct flights. The fastest connecting flight – 4h 48m.
Price Departure Arrival Flight Time Airline Flight
from $337
Find flight
12:45 pm
Chicago
O'Hare International
 6:13 pm
Denver
Denver International
 6h 28m
layover
2h 39m - Minneapolis
 United Airlines
UA1811
UA2272
from $473
Find flight
2:25 pm
Chicago
O'Hare International
 6:13 pm
Denver
Denver International
 4h 48m
layover
0h 56m - Minneapolis
 United Airlines
UA467
UA2272
from $555
Find flight
1:15 pm
Chicago
O'Hare International
 6:20 pm
Denver
Denver International
 6h 5m
layover
1h 3m - Dallas
 United Airlines
UA2290
UA2655
Show All Flights
*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 04/18/2025
Below is a detailed 2025 flight schedule for today, tomorrow and all other days. It may vary depending on season and a day of the week of your desired trip. We recommend booking your itinerary at least 2 weeks prior your travel to get the best price and availability by the airline.
Departure Arrival Flight Details Flight Time Price
12:45 pm — 6:13 pm
12:45 pm — 2:17 pm UA1811 United Airlines
Chicago — Minneapolis
2h 39m stop
5:00 pm — 6:20 pm UA2272 United Airlines
Minneapolis — Denver
6h 28m
including layover
Find flight
from$337
1:15 pm — 6:20 pm
1:15 pm — 4:00 pm UA2290 United Airlines
Chicago — Dallas
1h 3m stop
5:04 pm — 6:20 pm UA2655 United Airlines
Dallas — Denver
6h 5m
including layover
Find flight
from$555
2:25 pm — 6:13 pm
2:25 pm — 3:58 pm UA467 United Airlines
Chicago — Minneapolis
56m stop
5:00 pm — 6:20 pm UA2272 United Airlines
Minneapolis — Denver
4h 48m
including layover
Find flight
from$473
*Departure and arrival times are local. Last updated on 04/18/2025

Flight Information

There are 4 flights by United Airlines from Chicago to Denver every week with departures from Chicago FSS, Midway, O'Hare International, Chicago NAS, Merrill C Meigs (closed), Dupage County, Pal-Waukee. All flights arrive at Denver International and Arapahoe Co.

Departures start from 12:45 pm to 2:25 pm. Nonstop flight is 4h 48m. The time difference between Chicago and Denver is 1h.

  • The fastest flight 4h 48m
  • Average flight time 6h 5m
  • The earliest flight 12:45 pm
  • The latest flight 2:25 pm
  • Distance 900 ml

The cheapest months for traveling to Denver are november (from 337 $), april (from 337 $).

The cheapest flight by United Airlines that our users were able to find is $337. This airfare is economy class on one-way UA1811 flight for April 22, 2025 leaving O'Hare International in Chicago at 12:45 pm, it includes all taxes and additional fees.

Find same flight?

United Airlines Airplanes on the Route

List of the most popular United Airlines airplanes flying from Chicago to Denver:

  • Boeing 737-900
    from $337
    Find
  • Airbus A320
    from $473
    Find
  • Airbus A319
    from $555
    Find

Other Popular Airlines on the Route

Besides United Airlines there are other 1 airline carriers between Chicago and Denver. Please review schedules and prices from the most popular airlines to find the best airfare deals from Chicago to Denver.

Nonstop flights

There’re no direct flights on this route. Try flights with stops.

I’m lucky

Connecting Flights

List of flights with layovers (1 and more stops):

See more connecting flights

How to book an air ticket yourself?

How to book an air ticket yourself?
  • Fill in the search parameters — cities of departure and destination, departure and return dates and click «Find flights»
  • Select the best flight that you like. Please, check the airports of departure and arrival. Select the best fare, but pay attention to the following flight details - airports of departure and arrival, flight duration and layovers. Please use filters and sort to find the best flight.
  • Click «Buy» when you are ready — our system will redirect you to the site that sells the selected airfare.
  • Fill in all passenger and payment information — passport and contact information, please double check all passengers’ names and make a payment for your itinerary.
  • That's it — you will receive an email with your e-ticket usually within 10 minutes after your flight is confirmed. Please, print the e-ticket and have it with you at the airport. You would need to have only a passport and/or a required form of ID to travel. Please, check your Visa requirements if you travel outside of the United States or Canada.

    To find a plane ticket, please select dates.

Back