Cheap Flights from Chicago, IL to Denver, CO from $85

Return flight: Denver – Chicago
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On Cheapflightsplus.com you will find 5 connecting flights from Chicago to Denver. You can compare airfare deals from 2 airlines and multiple travel sites from $85, book and save on cheap plane tickets and last minute offers. Also check out CHI-DEN flight schedule to find best flight time, convenient departure and arrival airports.

Find One-Way and Round-Trip Chicago to Denver Flight Deals

To find the cheapest one way airline ticket select the date with the lowest price on the calendar below and click «Find Flights». To search for round-trip flight deals click on the link «Check prices for return flights» and select the date of the return flight. Cheapest flights in November: $85 (one-way), $146 (round-trip).
Direct flights
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Best Flights from Chicago to Denver Today

Take a look at the list of non stop flights and flights with layovers from Chicago to Denver with the lowest price of $85. Take a look at the list of flights with layovers from Chicago to Denver from $85. There’re no direct flights. The fastest connecting flight – 4h 48m.
Price Departure Arrival Flight Duration Airline Flight
from $85
Find flight
16:45
Chicago
Midway
 23:02
Denver
Denver International
 7h 17m
layover
2h 13m - Dallas
 Frontier Airlines
F92999
F94463
from $103
Find flight
20:07
Chicago
O'Hare International
 03:56+1 день
Denver
Denver International
 8h 49m
layover
2h 20m - Las Vegas
 Frontier Airlines
F92145
F93844
from $366
Find flight
12:45
Chicago
O'Hare International
 18:13
Denver
Denver International
 6h 28m
layover
2h 39m - Minneapolis
 United Airlines
UA1811
UA2272
from $514
Find flight
14:25
Chicago
O'Hare International
 18:13
Denver
Denver International
 4h 48m
layover
0h 56m - Minneapolis
 United Airlines
UA467
UA2272
from $603
Find flight
13:15
Chicago
O'Hare International
 18:20
Denver
Denver International
 6h 5m
layover
1h 3m - Dallas
 United Airlines
UA2290
UA2655
Show all tickets
*Departure and arrival times - local. Prices indicated for one-way flights. Information updated on May 06, 2025
Full flight schedule will help you in detecting at what time planes fly from Chicago to Denver. 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 Arrival Flight Details Flight Duration Price
12:45 — 18:13
12:45 — 14:17 UA1811 United Airlines
Chicago — Minneapolis
2h 39m stop
17:00 — 18:20 UA2272 United Airlines
Minneapolis — Denver
6h 28m
including layover
Find flight
from$366
13:15 — 18:20
13:15 — 16:00 UA2290 United Airlines
Chicago — Dallas
1h 3m stop
17:04 — 18:20 UA2655 United Airlines
Dallas — Denver
6h 5m
including layover
Find flight
from$603
14:25 — 18:13
14:25 — 15:58 UA467 United Airlines
Chicago — Minneapolis
56m stop
17:00 — 18:20 UA2272 United Airlines
Minneapolis — Denver
4h 48m
including layover
Find flight
from$514
16:45 — 23:02
16:02 — 18:55 F92999 Frontier Airlines
Chicago — Dallas
2h 13m stop
22:15 — 23:29 F94463 Frontier Airlines
Dallas — Denver
7h 17m
including layover
Find flight
from$85
20:07 — 03:56
+1 day
18:36 — 21:00 F92145 Frontier Airlines
Chicago — Las Vegas
2h 20m stop
15:38 — 18:36 F93844 Frontier Airlines
Las Vegas — Denver
8h 49m
including layover
Find flight
from$103
*Departure and arrival times - local. Updated on May 6, 2025

Flight Information

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

Distance between Chicago and Denver is 1448 miles. Time difference between the cities is 1h. Airplanes depart 12:45 to 20:07 from 7 Chicago airports and arrive 12:45 to 20:07 to 2 Denver airports. Average flight time is 6h 28m.

  • The fastest flight 4h 48m
  • Average flight time 6h 28m
  • The earliest flight 12:45
  • The latest flight 20:07
  • Distance 900 ml

The cheapest months to travel to Denver are november (from 85 $), may (from 85 $), december (from 103 $).

The most expensive months are april (from 138 $), december (from 103 $), may (from 85 $).

What is the lowest airfare Chicago to Denver?

The cheapest plane ticket found by our users is $85. This airfare is for economy class on one-way F92999 flight by Frontier Airlines for May 12, 2025 which leaves Midway in Chicago at 16:45 am and arrives at Denver Denver International at 23:02.

Economy class
$85
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Business class
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First class
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Popular Airlines on the Route

The flight Chicago — Denver is served by 2 regular airlines and 1 low-cost airline. Most of the flights on this route are operated by Frontier Airlines - 2 departures per week at the price of from $ 85 . And the most expensive tickets are offered by United Airlines airline - from $ 603.

Direct flights

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

Connecting Flights

There are 5 flights with layovers on the route. The fastest connecting flight is UA467 by United Airlines takes 4h 48m and the cheapest is F92999 by Frontier Airlines for $85.

See more connecting flights

Airports

You can fly from Chicago to Denver from 7 airports (O'Hare International, Midway, Dupage County, Chicago FSS, Merrill C Meigs (closed), Pal-Waukee, Chicago NAS).

Chicago airports

  • O'Hare International-ORD
    from $103
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  • Midway-MDW
    from $85
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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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Denver airports

  • Denver International-DEN
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  • Arapahoe Co-APA
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Airplanes

There are flights to Denver from Chicago by 2 airlines that use 3 aircraft brands. They range from huge modern airplanes to small-sized.

  • Boeing 737-900
    from $366
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  • Airbus A320
    from $514
    Find
  • Airbus A319
    from $603
    Find

Top Domestic Destinations from Chicago

You may also consider searching for discounted plane tickets to some other popular places from Chicago within United States.

Top International Destinations from Chicago

Our state-of-the art metasearch will definitely provide you with the best airfare on international flights. We’re proud to partner with many reliable travel suppliers located outside the US what gives us an opportunity to offer the most competitive prices on far destinations.

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.

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