Cheap Flights from Denver, CO to Chicago, IL from $44

Return flight: Chicago – Denver

On Cheapflightsplus.com you will find 24 direct and 394 connecting flights from Denver to Chicago. You can compare airfare deals from 9 airlines and multiple travel sites from $44, 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.

Find One-Way and Round-Trip Denver to Chicago 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: $44 (one-way), $75 (round-trip).
Direct flights
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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 Arrival Flight Details Flight Duration Price
06:00 — 09:40
06:00 — 09:40 UA1377 United Airlines
Denver — Chicago
2h 40m
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from$96
07:48 — 11:28
07:48 — 11:28 UA2430 United Airlines
Denver — Chicago
2h 40m
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from$96
07:50 — 11:25
07:50 — 11:25 UA1811 United Airlines
Denver — Chicago
2h 35m
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from$82
09:40 — 13:15
09:40 — 13:15 UA2329 United Airlines
Denver — Chicago
2h 35m
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from$83
10:18 — 13:58
10:18 — 13:58 F93170 Frontier Airlines
Denver — Chicago
2h 40m
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from$111
11:18 — 14:55
11:18 — 14:55 UA2865 United Airlines
Denver — Chicago
2h 37m
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from$99
11:25 — 15:05
11:25 — 15:05 UA1623 United Airlines
Denver — Chicago
2h 40m
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from$121
11:38 — 15:14
11:38 — 15:14 F91484 Frontier Airlines
Denver — Chicago
2h 36m
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from$82
13:25 — 17:05
13:25 — 17:05 UA617 United Airlines
Denver — Chicago
2h 40m
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from$87
14:45 — 18:25
14:45 — 18:25 UA1023 United Airlines
Denver — Chicago
2h 40m
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from$87
14:45 — 18:25
14:45 — 18:25 UA1819 United Airlines
Denver — Chicago
2h 40m
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from$96
16:10 — 19:50
16:10 — 19:50 UA213 United Airlines
Denver — Chicago
2h 40m
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from$87
16:17 — 19:57
16:17 — 19:57 UA1224 United Airlines
Denver — Chicago
2h 40m
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from$123
16:25 — 20:08
16:25 — 20:08 UA2200 United Airlines
Denver — Chicago
2h 43m
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from$96
16:25 — 20:08
16:25 — 20:08 UA250 United Airlines
Denver — Chicago
2h 43m
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from$100
17:00 — 20:41
17:00 — 20:41 UA1181 United Airlines
Denver — Chicago
2h 41m
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from$87
17:45 — 21:17
17:45 — 21:17 UA1898 United Airlines
Denver — Chicago
2h 32m
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from$96
17:58 — 21:30
17:58 — 21:30 UA2292 United Airlines
Denver — Chicago
2h 32m
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from$87
18:00 — 21:32
18:00 — 21:32 UA1367 United Airlines
Denver — Chicago
2h 32m
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from$83
19:10 — 22:42
19:10 — 22:42 UA2258 United Airlines
Denver — Chicago
2h 32m
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from$83
20:11 — 23:41
20:11 — 23:41 F93174 Frontier Airlines
Denver — Chicago
2h 30m
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from$44
20:22 — 23:53
20:22 — 23:53 F93172 Frontier Airlines
Denver — Chicago
2h 31m
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from$57
20:28 — 23:59
20:28 — 23:59 UA377 United Airlines
Denver — Chicago
2h 31m
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from$83
21:30 — 00:54
+1 day
21:30 — 00:54 F92210 Frontier Airlines
Denver — Chicago
2h 24m
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from$44
00:04 — 11:56
00:20 — 06:03 F91734 Frontier Airlines
Denver — Orlando
4h 21m stop
18:20 — 20:17 F93853 Frontier Airlines
Orlando — Chicago
10h 52m
including layover
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from$80
00:59 — 10:22
00:59 — 06:10 F93294 Frontier Airlines
Denver — Atlanta
2h 52m stop
09:18 — 10:41 F91441 Frontier Airlines
Atlanta — Chicago
8h 23m
including layover
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from$78
06:00 — 22:24
06:00 — 11:34 F92748 Frontier Airlines
Denver — Tampa
8h 58m stop
20:49 — 22:41 F93899 Frontier Airlines
Tampa — Chicago
15h 24m
including layover
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from$80
06:50 — 22:18
06:40 — 10:23 F93206 Frontier Airlines
Denver — Houston
9h 22m stop
19:52 — 22:25 F93282 Frontier Airlines
Houston — Chicago
14h 28m
including layover
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from$76
07:00 — 14:56
07:00 — 08:01 F92015 Frontier Airlines
Denver — Las Vegas
1h 16m stop
09:25 — 15:00 F92330 Frontier Airlines
Las Vegas — Chicago
6h 56m
including layover
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from$79
07:05 — 19:13
06:40 — 10:23 F93206 Frontier Airlines
Denver — Houston
5h 58m stop
18:48 — 21:23 F93136 Frontier Airlines
Houston — Chicago
11h 8m
including layover
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from$81
08:44 — 23:31
09:08 — 14:53 F93312 Frontier Airlines
Denver — Orlando
6h 43m stop
21:57 — 00:04 F92791 Frontier Airlines
Orlando — Chicago
13h 47m
including layover
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from$81
08:58 — 22:20
08:22 — 09:52 F92817 Frontier Airlines
Denver — San Diego
5h 37m stop
16:53 — 22:56 F91856 Frontier Airlines
San Diego — Chicago
12h 22m
including layover
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from$81
09:10 — 23:25
09:10 — 10:14 F91375 Frontier Airlines
Denver — Phoenix
7h 37m stop
17:51 — 23:25 F91828 Frontier Airlines
Phoenix — Chicago
13h 15m
including layover
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from$81
09:54 — 20:54
09:44 — 10:51 F91993 Frontier Airlines
Denver — Las Vegas
3h 54m stop
15:03 — 20:53 F92146 Frontier Airlines
Las Vegas — Chicago
10h
including layover
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from$80
10:01 — 20:34
10:01 — 13:12 F92550 Frontier Airlines
Denver — Dallas
4h 51m stop
18:03 — 20:34 F91342 Frontier Airlines
Dallas — Chicago
9h 33m
including layover
Find flight
from$85
10:52 — 19:31
10:56 — 16:28 F92706 Frontier Airlines
Denver — Baltimore
2h 2m stop
18:36 — 19:43 F93087 Frontier Airlines
Baltimore — Chicago
7h 39m
including layover
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from$79
12:32 — 00:14
+1 day
12:32 — 18:04 F92706 Frontier Airlines
Denver — Baltimore
4h 54m stop
22:58 — 00:14 F94063 Frontier Airlines
Baltimore — Chicago
10h 42m
including layover
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from$81
13:39 — 23:29
13:39 — 18:55 F93600 Frontier Airlines
Denver — Atlanta
3h 10m stop
22:05 — 23:29 F91595 Frontier Airlines
Atlanta — Chicago
8h 50m
including layover
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from$76
13:39 — 23:29
13:49 — 18:59 F93600 Frontier Airlines
Denver — Atlanta
3h 3m stop
22:58 — 00:17 F93397 Frontier Airlines
Atlanta — Chicago
8h 50m
including layover
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from$82
17:51 — 20:56
+1 day
17:41 — 18:50 F94967 Frontier Airlines
Denver — Las Vegas
20h 5m stop
15:03 — 20:53 F92146 Frontier Airlines
Las Vegas — Chicago
26h 5m
including layover
Find flight
from$86
17:59 — 22:20
+1 day
17:59 — 19:29 F94989 Frontier Airlines
Denver — San Diego
20h 33m stop
16:02 — 22:20 F91856 Frontier Airlines
San Diego — Chicago
27h 21m
including layover
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from$81
19:53 — 22:25
+1 day
19:59 — 23:53 F92996 Frontier Airlines
Denver — Houston
20h 18m stop
20:15 — 22:58 F91882 Frontier Airlines
Houston — Chicago
25h 32m
including layover
Find flight
from$81
22:29 — 22:20
+1 day
21:36 — 23:05 F92711 Frontier Airlines
Denver — San Diego
16h 12m stop
16:53 — 22:56 F91856 Frontier Airlines
San Diego — Chicago
22h 51m
including layover
Find flight
from$81
22:29 — 20:53
+1 day
22:29 — 23:36 F9777 Frontier Airlines
Denver — Las Vegas
15h 27m stop
15:03 — 20:53 F92146 Frontier Airlines
Las Vegas — Chicago
21h 24m
including layover
Find flight
from$86
23:15 — 13:58
+1 day
23:15 — 04:49 F93340 Frontier Airlines
Denver — Philadelphia
7h 58m stop
12:47 — 13:58 F91617 Frontier Airlines
Philadelphia — Chicago
13h 43m
including layover
Find flight
from$83
23:59 — 11:53
+1 day
23:58 — 05:33 F91114 Frontier Airlines
Denver — Tampa
4h 33m stop
20:49 — 22:41 F93899 Frontier Airlines
Tampa — Chicago
10h 54m
including layover
Find flight
from$82
*Departure and arrival times - local. Updated on May 24, 2025

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 39m.

  • The fastest flight 2h 24m
  • Average flight time 2h 39m
  • The earliest flight 00:04
  • The latest flight 23:59
  • Distance 900 ml

The cheapest months to travel to Chicago are may (from 59 $), july (from 71 $), june (from 75 $).

The most expensive months are september (from 93 $), october (from 92 $), august (from 75 $).

What is the lowest airfare Denver to Chicago?

The cheapest plane ticket found by our users is $44. This airfare is for economy class on one-way F92210 flight by Frontier Airlines for May 29, 2025 which leaves Denver International in Denver at 21:30 am and arrives at Chicago Midway at 00:54.

Economy class
$44
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Business class
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First class
?
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Popular Airlines on the Route

The flight Denver — Chicago is served by 9 regular airlines and 3 low-cost airlines. Most of the flights on this route are operated by Frontier Airlines - 53 departures per week at the price of from $ 44 . And the most expensive tickets are offered by Finnair airline - from $ 3044.

Direct flights

There are 24 nonstop flights on the route. The fastest direct flight is F92210 by Frontier Airlines takes 2h 24m and the cheapest is F92210 by Frontier Airlines for $44.

See more direct flights

Connecting Flights

There are 394 flights with layovers on the route. The fastest connecting flight is UA1241 by United Airlines takes 3h 49m and the cheapest is F92210 by Frontier Airlines for $76.

  • from $76
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  • from $133
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  • AS - Alaska Airlines
    from $126
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  • SY - Sun Country Airlines
    from $93
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  • TK - Turkish Airlines
    from $1956
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  • AY - Finnair
    from $3044
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  • HA - Hawaiian Airlines
    from $120
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  • KG - Aerogaviota
    from $181
    Find
  • G4 - Allegiant Air
    from $103
    Find
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 $44
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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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