United Airlines Chicago to Denver Flights

Return flight: Denver – Chicago

Cheapflightsplus.com will find cheap United Airlines flights from Chicago to Denver. Compare airline ticket prices and book air tickets starting from $35 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 january: one-way - $35, two-way – $60.
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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 — 2:36 pm
12:45 pm — 2:36 pm UA1491 United Airlines
Chicago — Denver
2h 51m
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from$118
2:35 pm — 4:28 pm
2:35 pm — 4:28 pm UA1588 United Airlines
Chicago — Denver
2h 53m
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from$173
2:39 pm — 4:30 pm
2:39 pm — 4:30 pm UA310 United Airlines
Chicago — Denver
2h 51m
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from$118
4:06 pm — 5:59 pm
4:06 pm — 5:59 pm UA1946 United Airlines
Chicago — Denver
2h 53m
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from$257
4:08 pm — 5:59 pm
4:08 pm — 5:59 pm UA2436 United Airlines
Chicago — Denver
2h 51m
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from$117
5:50 pm — 7:40 pm
5:50 pm — 7:40 pm UA2370 United Airlines
Chicago — Denver
2h 50m
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from$117
6:25 pm — 8:23 pm
6:25 pm — 8:23 pm UA2179 United Airlines
Chicago — Denver
2h 58m
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from$189
7:10 am — 9:00 am
7:10 am — 9:00 am UA711 United Airlines
Chicago — Denver
2h 50m
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from$117
8:45 am — 10:35 am
8:45 am — 10:35 am UA1733 United Airlines
Chicago — Denver
2h 50m
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from$186
8:45 am — 10:35 am
8:45 am — 10:35 am UA1599 United Airlines
Chicago — Denver
2h 50m
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from$228
9:36 pm — 11:19 pm
9:36 pm — 11:19 pm UA2485 United Airlines
Chicago — Denver
2h 43m
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from$35
9:38 pm — 11:30 pm
9:38 pm — 11:30 pm UA1748 United Airlines
Chicago — Denver
2h 52m
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from$140
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
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from$138
10:39 am — 6:13 pm
10:39 am — 12:05 pm UA4394 United Airlines
Chicago — Lake Saint Louis
4h 31m stop
4:36 pm — 6:13 pm UA1910 United Airlines
Lake Saint Louis — Denver
8h 34m
including layover
Find flight
from$308
12:45 pm — 7:51 pm
12:45 pm — 3:47 pm UA2417 United Airlines
Chicago — Houston
2h 18m stop
6:05 pm — 7:51 pm UA1654 United Airlines
Houston — Denver
8h 6m
including layover
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from$138
2:02 pm — 9:46 pm
2:02 pm — 5:04 pm UA1373 United Airlines
Chicago — Houston
2h 56m stop
8:00 pm — 9:46 pm UA2215 United Airlines
Houston — Denver
8h 44m
including layover
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from$138
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
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from$138
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$138
5:50 pm — 11:44 pm
5:50 pm — 8:50 pm UA1568 United Airlines
Chicago — Houston
1h 17m stop
10:07 pm — 11:44 pm UA1338 United Airlines
Houston — Denver
6h 54m
including layover
Find flight
from$138
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$138
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$138
8:50 am — 2:26 pm
8:50 am — 11:53 am UA307 United Airlines
Chicago — Houston
47m stop
12:40 pm — 2:26 pm UA1333 United Airlines
Houston — Denver
6h 36m
including layover
Find flight
from$181
*Departure and arrival times are local. Last updated on 12/22/2024

Flight Information

There are 12 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 51m
  • The earliest flight 10:35 am
  • The latest flight 9:38 pm
  • Distance 900 ml

The cheapest months for traveling to Denver are december (from 35 $), november (from 103 $), january (from 117 $).

The most expensive and popular months are february (from 117 $), january (from 117 $), november (from 103 $).

The cheapest flight by United Airlines that our users were able to find is $35. This airfare is economy class on one-way UA2485 flight for December 23, 2024 leaving O'Hare International in Chicago at 9:36 pm, it includes all taxes and additional fees.

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Other Popular Airlines on the Route

Besides United Airlines there are other 7 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 14 direct flights every day from Chicago. Airlines and fares are below:

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Connecting Flights

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

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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.

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