United Airlines Chicago to Denver Flights

One way Round trip

Adults

Children under 12

Infants under 2 without place

Economy

Business

First

done

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 $38 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 march: one-way - $38, two-way – $65.

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 popular direct and connecting flights by United Airlines, their prices start from $38. The fastest nonstop flight takes 2h 43m. The fastest connecting flight — 4h 23m.

Price	Departure	Arrival	Flight Time	Airline	Flight
from $38 Find flight	9:36 pm Chicago O'Hare International	11:19 pm Denver Denver International	2h 43m	United Airlines	UA2485
from $113 Find flight	7:10 am Chicago O'Hare International	9:00 am Denver Denver International	2h 50m	United Airlines	UA711
from $113 Find flight	9:36 pm Chicago O'Hare International	11:19 pm Denver Denver International	2h 43m	United Airlines	UA2154
from $124 Find flight	10:50 am Chicago O'Hare International	12:40 pm Denver Denver International	2h 50m	United Airlines	UA1803
from $124 Find flight	2:35 pm Chicago O'Hare International	4:25 pm Denver Denver International	2h 50m	United Airlines	UA2187
from $124 Find flight	8:45 am Chicago O'Hare International	10:35 am Denver Denver International	2h 50m	United Airlines	UA1731
from $124 Find flight	1:15 pm Chicago O'Hare International	3:03 pm Denver Denver International	2h 48m	United Airlines	UA1882
from $124 Find flight	6:15 pm Chicago O'Hare International	8:09 pm Denver Denver International	2h 54m	United Airlines	UA1958
from $124 Find flight	12:45 pm Chicago O'Hare International	2:35 pm Denver Denver International	2h 50m	United Airlines	UA2249
from $128 Find flight	12:45 pm Chicago O'Hare International	2:34 pm Denver Denver International	2h 49m	United Airlines	UA2311
from $130 Find flight	4:08 pm Chicago O'Hare International	5:59 pm Denver Denver International	2h 51m	United Airlines	UA2436
from $152 Find flight	4:05 pm Chicago O'Hare International	5:54 pm Denver Denver International	2h 49m	United Airlines	UA2861
from $192 Find flight	2:35 pm Chicago O'Hare International	4:28 pm Denver Denver International	2h 53m	United Airlines	UA1588
from $221 Find flight	8:45 am Chicago O'Hare International	10:43 am Denver Denver International	2h 58m	United Airlines	UA2297
from $284 Find flight	4:06 pm Chicago O'Hare International	5:59 pm Denver Denver International	2h 53m	United Airlines	UA1946
from $613 Find flight	8:30 pm Chicago O'Hare International	10:19 pm Denver Denver International	2h 49m	United Airlines	UA516

Show All Flights

*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 03/21/2025

United Airlines Flight Schedule Chicago to Denver

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	Flight Details	Flight Time	Price
10:50 am — 12:40 pm	10:50 am — 12:40 pm UA1803 United Airlines Chicago — Denver	2h 50m	Find flight from$124
12:45 pm — 2:35 pm	12:45 pm — 2:35 pm UA2249 United Airlines Chicago — Denver	2h 50m	Find flight from$124
12:45 pm — 2:34 pm	12:45 pm — 2:34 pm UA2311 United Airlines Chicago — Denver	2h 49m	Find flight from$128
12:45 pm — 2:36 pm	12:45 pm — 2:36 pm UA1491 United Airlines Chicago — Denver	2h 51m	Find flight from$131
1:15 pm — 3:03 pm	1:15 pm — 3:03 pm UA1882 United Airlines Chicago — Denver	2h 48m	Find flight from$124
2:30 pm — 4:20 pm	2:30 pm — 4:20 pm UA2402 United Airlines Chicago — Denver	2h 50m	Find flight from$129
2:35 pm — 4:25 pm	2:35 pm — 4:25 pm UA2187 United Airlines Chicago — Denver	2h 50m	Find flight from$124
2:35 pm — 4:28 pm	2:35 pm — 4:28 pm UA1588 United Airlines Chicago — Denver	2h 53m	Find flight from$192
2:39 pm — 4:30 pm	2:39 pm — 4:30 pm UA310 United Airlines Chicago — Denver	2h 51m	Find flight from$131
4:00 pm — 5:49 pm	4:00 pm — 5:49 pm UA767 United Airlines Chicago — Denver	2h 49m	Find flight from$149
4:05 pm — 5:54 pm	4:05 pm — 5:54 pm UA2861 United Airlines Chicago — Denver	2h 49m	Find flight from$152
4:06 pm — 5:59 pm	4:06 pm — 5:59 pm UA1946 United Airlines Chicago — Denver	2h 53m	Find flight from$284
4:08 pm — 5:59 pm	4:08 pm — 5:59 pm UA2436 United Airlines Chicago — Denver	2h 51m	Find flight from$130
5:50 pm — 7:40 pm	5:50 pm — 7:40 pm UA2334 United Airlines Chicago — Denver	2h 50m	Find flight from$129
5:50 pm — 7:40 pm	5:50 pm — 7:40 pm UA2370 United Airlines Chicago — Denver	2h 50m	Find flight from$130
6:15 pm — 8:09 pm	6:15 pm — 8:09 pm UA1958 United Airlines Chicago — Denver	2h 54m	Find flight from$124
6:25 pm — 8:23 pm	6:25 pm — 8:23 pm UA2179 United Airlines Chicago — Denver	2h 58m	Find flight from$210
7:10 am — 9:00 am	7:10 am — 9:00 am UA711 United Airlines Chicago — Denver	2h 50m	Find flight from$113
8:30 pm — 10:19 pm	8:30 pm — 10:19 pm UA516 United Airlines Chicago — Denver	2h 49m	Find flight from$613
8:45 am — 10:35 am	8:45 am — 10:35 am UA1731 United Airlines Chicago — Denver	2h 50m	Find flight from$124
8:45 am — 10:35 am	8:45 am — 10:35 am UA1733 United Airlines Chicago — Denver	2h 50m	Find flight from$205
8:45 am — 10:43 am	8:45 am — 10:43 am UA2297 United Airlines Chicago — Denver	2h 58m	Find flight from$221
8:45 am — 10:35 am	8:45 am — 10:35 am UA1599 United Airlines Chicago — Denver	2h 50m	Find flight from$252
9:36 pm — 11:19 pm	9:36 pm — 11:19 pm UA2485 United Airlines Chicago — Denver	2h 43m	Find flight from$38
9:36 pm — 11:19 pm	9:36 pm — 11:19 pm UA2154 United Airlines Chicago — Denver	2h 43m	Find flight from$113
9:38 pm — 11:30 pm	9:38 pm — 11:30 pm UA1748 United Airlines Chicago — Denver	2h 52m	Find flight from$155
10:35 am — 4:32 pm	10:35 am — 1:38 pm UA2624 United Airlines Chicago — Houston 1h 12m stop 2:50 pm — 4:32 pm UA241 United Airlines Houston — Denver	6h 57m including layover	Find flight from$152
11:00 am — 9:03 pm	11:00 am — 2:12 pm UA466 United Airlines Chicago — New York 4h 17m stop 6:29 pm — 9:03 pm UA303 United Airlines New York — Denver	11h 3m including layover	Find flight from$269
11:10 am — 7:05 pm	11:10 am — 2:06 pm UA1637 United Airlines Chicago — Phoenix 3h 8m stop 5:14 pm — 7:05 pm F94766 Frontier Airlines Phoenix — Denver	8h 55m including layover	Find flight from$246
1:06 pm — 9:03 pm	1:06 pm — 4:14 pm UA1450 United Airlines Chicago — New York 2h 15m stop 6:29 pm — 9:03 pm UA303 United Airlines New York — Denver	8h 57m including layover	Find flight from$274
3:40 pm — 9:46 pm	3:40 pm — 6:43 pm UA2678 United Airlines Chicago — Houston 1h 17m stop 8:00 pm — 9:46 pm UA2215 United Airlines Houston — Denver	7h 6m including layover	Find flight from$152
3:40 pm — 11:44 pm	3:40 pm — 6:43 pm UA2678 United Airlines Chicago — Houston 3h 24m stop 10:07 pm — 11:44 pm UA1338 United Airlines Houston — Denver	9h 4m including layover	Find flight from$152
6:20 pm — 11:34 pm	6:20 pm — 9:19 pm UA534 United Airlines Chicago — Houston 41m stop 10:00 pm — 11:34 pm UA2206 United Airlines Houston — Denver	6h 14m including layover	Find flight from$159
7:35 am — 1:05 pm	7:35 am — 10:38 am UA2482 United Airlines Chicago — Houston 42m stop 11:20 am — 1:05 pm UA2677 United Airlines Houston — Denver	6h 30m including layover	Find flight from$152
8:50 am — 4:32 pm	8:50 am — 11:53 am UA307 United Airlines Chicago — Houston 2h 57m stop 2:50 pm — 4:32 pm UA241 United Airlines Houston — Denver	8h 42m including layover	Find flight from$152

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times are local. Last updated on 03/21/2025

Flight Information

There are 26 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 10:35 am to 9:38 pm. Nonstop flight is 2h 43m. The time difference between Chicago and Denver is 1h.

The fastest flight 2h 43m
Average flight time 2h 50m
The earliest flight 10:35 am
The latest flight 9:38 pm
Distance 900 ml

The cheapest months for traveling to Denver are march (from 38 $), november (from 113 $), december (from 113 $).

The most expensive and popular months are february (from 130 $), january (from 130 $), december (from 113 $).

The cheapest flight by United Airlines that our users were able to find is $38. This airfare is economy class on one-way UA2485 flight for March 24, 2025 leaving O'Hare International in Chicago at 9:36 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 737-700

from $229

Find
Boeing 737-900

from $246

Find
Boeing 757-300

from $246

Find
Boeing 757

from $266

Find
Boeing 757-200

from $269

Find
Boeing 737 MAX 8

from $274

Find
Airbus A320

from $274

Find
Boeing 737-800

from $299

Find
Boeing 777

from $312

Find
Boeing 737 MAX 9

from $338

Find

Other Popular Airlines on the Route

United Airlines is the only airline which provides flights on the route Chicago — Denver. To choose the best flight cost and time we advise to get acquainted with its schedule and prices.

Nonstop flights

There are 26 direct flights every day from Chicago. Airlines and fares are below:

See more direct flights

Connecting Flights

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

See more connecting flights

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.