United Airlines Chicago to Denver Flights

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Cheapflightsplus.com will find cheap United Airlines flights from Chicago to Denver. Compare airline ticket prices and book air tickets starting from $112 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 august: one-way - $112, two-way – $192.

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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 $112. The fastest nonstop flight takes 2h 42m. The fastest connecting flight — 4h 40m.

Price	Departure	Arrival	Flight Time	Airline	Flight
from $112 Find flight	8:10 pm Chicago O'Hare International	10:00 pm Denver Denver International	2h 50m	United Airlines	UA2040
from $119 Find flight	1:04 pm Chicago O'Hare International	2:46 pm Denver Denver International	2h 42m	United Airlines	UA622
from $226 Find flight	9:50 pm Chicago O'Hare International	6:40 am+1 день Denver Denver International	9h 50m layover 6h 2m - Minneapolis	United Airlines	UA2627 UA2041
from $476 Find flight	2:40 pm Chicago O'Hare International	7:27 pm Denver Denver International	5h 47m layover 1h 45m - Minneapolis	United Airlines	UA1872 UA370
from $517 Find flight	2:40 pm Chicago O'Hare International	6:20 pm Denver Denver International	4h 40m layover 0h 40m - Minneapolis	United Airlines	UA1872 UA2272
from $647 Find flight	1:00 pm Chicago O'Hare International	9:26 pm Denver Denver International	9h 26m layover 2h 30m - New York	United Airlines	UA2189 UA1904
from $647 Find flight	2:05 pm Chicago O'Hare International	9:26 pm Denver Denver International	8h 21m layover 1h 23m - New York	United Airlines	UA2138 UA1904
from $647 Find flight	1:00 pm Chicago O'Hare International	7:31 pm Denver Denver International	7h 31m layover 0h 35m - New York	United Airlines	UA2189 UA1325
from $647 Find flight	3:00 pm Chicago O'Hare International	9:26 pm Denver Denver International	7h 26m layover 0h 30m - New York	United Airlines	UA1946 UA1904
from $647 Find flight	10:00 am Chicago O'Hare International	6:01 pm Denver Denver International	9h 1m layover 2h 7m - New York	United Airlines	UA2661 UA498
from $656 Find flight	7:24 am Chicago O'Hare International	1:01 pm Denver Denver International	6h 37m layover 2h 42m - Minneapolis	United Airlines	UA2232 UA594
from $801 Find flight	7:25 am Chicago O'Hare International	12:16 pm Denver Denver International	5h 51m layover 1h 6m - Nashville	United Airlines	UA3700 UA502
from $827 Find flight	11:01 am Chicago O'Hare International	2:59 pm Denver Denver International	4h 58m layover 1h 15m - Lake Saint Louis	United Airlines	UA5731 UA2625
from $860 Find flight	7:33 am Chicago O'Hare International	12:06 pm Denver Denver International	5h 33m layover 0h 51m - Cleveland	United Airlines	UA286 UA1066

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*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 08/17/2025

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
10:00 am — 6:01 pm	10:00 am — 1:18 pm UA2661 United Airlines Chicago — New York 2h 7m stop 3:25 pm — 6:01 pm UA498 United Airlines New York — Denver	9h 1m including layover	Find flight from$647
11:01 am — 2:59 pm	11:01 am — 12:27 pm UA5731 United Airlines Chicago — Lake Saint Louis 1h 15m stop 1:42 pm — 2:59 pm UA2625 United Airlines Lake Saint Louis — Denver	4h 58m including layover	Find flight from$827
1:00 pm — 9:26 pm	1:00 pm — 4:20 pm UA2189 United Airlines Chicago — New York 2h 30m stop 6:50 pm — 9:26 pm UA1904 United Airlines New York — Denver	9h 26m including layover	Find flight from$647
1:00 pm — 7:31 pm	1:00 pm — 4:20 pm UA2189 United Airlines Chicago — New York 35m stop 4:55 pm — 7:31 pm UA1325 United Airlines New York — Denver	7h 31m including layover	Find flight from$647
1:04 pm — 2:46 pm	1:04 pm — 2:46 pm UA622 United Airlines Chicago — Denver	2h 42m	Find flight from$119
2:05 pm — 9:26 pm	2:05 pm — 5:27 pm UA2138 United Airlines Chicago — New York 1h 23m stop 6:50 pm — 9:26 pm UA1904 United Airlines New York — Denver	8h 21m including layover	Find flight from$647
2:40 pm — 7:27 pm	2:40 pm — 4:19 pm UA1872 United Airlines Chicago — Minneapolis 1h 45m stop 6:04 pm — 7:27 pm UA370 United Airlines Minneapolis — Denver	5h 47m including layover	Find flight from$476
2:40 pm — 6:20 pm	2:40 pm — 4:19 pm UA1872 United Airlines Chicago — Minneapolis 40m stop 4:59 pm — 6:20 pm UA2272 United Airlines Minneapolis — Denver	4h 40m including layover	Find flight from$517
3:00 pm — 9:26 pm	3:00 pm — 6:20 pm UA1946 United Airlines Chicago — New York 30m stop 6:50 pm — 9:26 pm UA1904 United Airlines New York — Denver	7h 26m including layover	Find flight from$647
7:24 am — 1:01 pm	7:24 am — 9:03 am UA2232 United Airlines Chicago — Minneapolis 2h 42m stop 11:45 am — 1:01 pm UA594 United Airlines Minneapolis — Denver	6h 37m including layover	Find flight from$656
7:25 am — 12:16 pm	7:25 am — 9:13 am UA3700 United Airlines Chicago — Nashville 1h 6m stop 10:19 am — 12:16 pm UA502 United Airlines Nashville — Denver	5h 51m including layover	Find flight from$801
7:33 am — 12:06 pm	7:33 am — 9:59 am UA286 United Airlines Chicago — Cleveland 51m stop 10:50 am — 12:06 pm UA1066 United Airlines Cleveland — Denver	5h 33m including layover	Find flight from$860
8:10 pm — 10:00 pm	8:10 pm — 10:00 pm UA2040 United Airlines Chicago — Denver	2h 50m	Find flight from$112
9:50 pm — 6:40 am +1 day	9:50 pm — 11:28 pm UA2627 United Airlines Chicago — Minneapolis 6h 2m stop 5:30 am — 6:40 am UA2041 United Airlines Minneapolis — Denver	9h 50m including layover	Find flight from$226

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

*Departure and arrival times are local. Last updated on 08/17/2025

Flight Information

There are 2 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 10:00 am to 9:50 pm. Nonstop flight is 2h 42m. The time difference between Chicago and Denver is 1h.

The fastest flight 2h 42m
Average flight time 2h 46m
The earliest flight 10:00 am
The latest flight 9:50 pm
Distance 900 ml

The cheapest months for traveling to Denver are august (from 112 $), july (from 124 $), may (from 125 $).

The most expensive and popular months are june (from 136 $), may (from 125 $), july (from 124 $).

The cheapest flight by United Airlines that our users were able to find is $112. This airfare is economy class on one-way UA2040 flight for August 8, 2025 leaving O'Hare International in Chicago at 8:10 pm, it includes all taxes and additional fees.

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United Airlines Airplanes on the Route

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

Other Popular Airlines on the Route

Besides United Airlines there are other 4 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 are 3 direct flights every day from Chicago. Airlines and fares are below:

F9 - Frontier Airlines

from $72

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Connecting Flights

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

F9 - Frontier Airlines

from $101

Find
SY - Sun Country Airlines

from $142

Find
G4 - Allegiant Air

from $151

Find
NK - Spirit Airlines

from $230

Find

See more connecting flights

How to book an air ticket yourself?

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