Cheap Flights from Denver, CO to Chicago, IL from $106

Return flight: Chicago – Denver

On Cheapflightsplus.com you will find 16 direct and 113 connecting flights from Denver to Chicago. You can compare airfare deals from 7 airlines and multiple travel sites from $106, book and save on cheap plane tickets and last minute offers. Also check out DEN-CHI flight schedule to find best flight time, convenient departure and arrival airports.

Flight Information

Below we will explain in detail what the flights cost on the destination from Denver to Chicago depends on and how to choose the most interesting flight option for you.

Distance between Denver and Chicago is 1448 miles. Time difference between the cities is 1h. Airplanes depart 00:04 to 23:59 from 2 Denver airports and arrive 00:04 to 23:59 to 7 Chicago airports. Average flight time is 2h 40m.

  • The fastest flight 2h 31m
  • Average flight time 2h 40m
  • The earliest flight 00:04
  • The latest flight 23:59
  • Distance 900 ml

The cheapest months to travel to Chicago are august (from 106 $), september (from 109 $), october (from 112 $).

The most expensive months are july (from 159 $), october (from 112 $), september (from 109 $).

What is the lowest airfare Denver to Chicago?

The cheapest plane ticket found by our users is $106. This airfare is for economy class on one-way UA1811 flight by United Airlines for October 15, 2025 which leaves Denver International in Denver at 07:48 am and arrives at Chicago O'Hare International at 11:28.

Economy class
$106
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Business class
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First class
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Flight Schedule Denver (Colorado) to Chicago (Illinois)

06:00 — 09:41
2h 41m flight time
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from$285
Denver — Chicago
UA1377 United Airlines
07:48 — 11:28
2h 40m flight time
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from$106
Denver — Chicago
UA1811 United Airlines
07:48 — 11:28
2h 40m flight time
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from$124
Denver — Chicago
UA2430 United Airlines
09:36 — 13:12
2h 36m flight time
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from$107
Denver — Chicago
UA2329 United Airlines
11:15 — 14:55
2h 40m flight time
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from$128
Denver — Chicago
UA2865 United Airlines
13:25 — 17:05
2h 40m flight time
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from$112
Denver — Chicago
UA617 United Airlines
14:45 — 18:25
2h 40m flight time
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from$112
Denver — Chicago
UA1023 United Airlines
16:15 — 19:55
2h 40m flight time
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from$285
Denver — Chicago
UA1260 United Airlines
16:45 — 20:25
2h 40m flight time
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from$159
Denver — Chicago
UA1224 United Airlines
17:00 — 20:41
2h 41m flight time
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from$113
Denver — Chicago
UA1181 United Airlines
17:50 — 21:28
2h 38m flight time
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from$226
Denver — Chicago
F93174 Frontier Airlines
17:58 — 21:30
2h 32m flight time
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from$285
Denver — Chicago
UA2292 United Airlines
18:00 — 21:32
2h 32m flight time
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from$107
Denver — Chicago
UA1367 United Airlines
19:07 — 22:39
2h 32m flight time
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from$107
Denver — Chicago
UA2258 United Airlines
20:22 — 23:53
2h 31m flight time
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from$186
Denver — Chicago
F93172 Frontier Airlines
20:28 — 23:59
2h 31m flight time
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from$107
Denver — Chicago
UA377 United Airlines
Full flight schedule will help you in detecting at what time planes fly from Denver to Chicago. You can also specify the concrete flights and airlines on the route and how long the flight actually is. Use the calendar for today, tomorrow or other specific date as some flights are available only on certain days of the week.
*Departure and arrival times - local. Updated on October 22, 2025.

Popular Airlines on the Route

The flight Denver — Chicago is served by 7 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Alaska Airlines - 5 departures per week at the price of from $ 503 . And the most expensive tickets are offered by United Airlines airline - from $ 967.

Direct flights

There are 16 nonstop flights on the route. The fastest direct flight is UA377 by United Airlines takes 2h 31m and the cheapest is UA1811 by United Airlines for $106.

  • F9 - Frontier Airlines
    from $186
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  • UA - United Airlines
    from $106
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Connecting Flights

There are 113 flights with layovers on the route. The fastest connecting flight is UA1121 by United Airlines takes 4h 14m and the cheapest is UA1811 by United Airlines for $130.

  • AS - Alaska Airlines
    from $503
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  • F9 - Frontier Airlines
    from $130
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  • SY - Sun Country Airlines
    from $298
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  • HA - Hawaiian Airlines
    from $464
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  • AM - Aeromexico
    from $345
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  • VB - VivaAerobus
    from $352
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  • UA - United Airlines
    from $531
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See more connecting flights

Airports

You can fly from Denver to Chicago from 2 airports (Denver International, Arapahoe Co).

Denver airports

  • Denver International-DEN
    from $106
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  • Arapahoe Co-APA
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Chicago airports

  • O'Hare International-ORD
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  • Midway-MDW
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  • Dupage County-DPA
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  • Chicago FSS-CHI
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  • Merrill C Meigs (closed)-CGX
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  • Pal-Waukee-PWK
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  • Chicago NAS-NOH
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How to book a plane 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 flight ticket.
  • 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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