Frontier Airlines Denver to Chicago Flights

Return flight: Chicago – Denver

Cheapflightsplus.com will find cheap Frontier Airlines flights from Denver to Chicago. Compare airline ticket prices and book air tickets starting from $59 from trusted online travel agencies, web sites and directly from airlines. Check flights schedule of Frontier Airlines, arrivals and departure details below.

Find Cheap Airfare Denver (CO) — Chicago (IL) by Frontier 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 september: one-way - $59, two-way – $101.
Direct flights
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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
9:00 pm — 0:24 am
+1 day
9:00 pm — 0:24 am F92210 Frontier Airlines
Denver — Chicago
2h 24m
Find flight
from$59
0:19 am — 6:41 pm
0:19 am — 6:00 am F91734 Frontier Airlines
Denver — Orlando
10h 18m stop
4:18 pm — 6:41 pm F93043 Frontier Airlines
Orlando — Chicago
17h 22m
including layover
Find flight
from$236
0:54 am — 10:39 am
0:54 am — 6:05 am F93294 Frontier Airlines
Denver — Atlanta
3h 11m stop
9:16 am — 10:39 am F91441 Frontier Airlines
Atlanta — Chicago
8h 45m
including layover
Find flight
from$260
10:29 pm — 11:07 pm
+1 day
10:29 pm — 11:52 pm F92711 Frontier Airlines
Denver — San Diego
16h 52m stop
4:44 pm — 11:07 pm F91856 Frontier Airlines
San Diego — Chicago
23h 38m
including layover
Find flight
from$286
11:13 am — 10:14 pm
11:13 am — 4:37 pm F91362 Frontier Airlines
Denver — Charlotte
4h 7m stop
8:44 pm — 10:14 pm F93141 Frontier Airlines
Charlotte — Chicago
10h 1m
including layover
Find flight
from$236
11:58 pm — 7:12 pm
+1 day
11:58 pm — 5:28 am F91114 Frontier Airlines
Denver — Tampa
11h 36m stop
5:04 pm — 7:12 pm F91415 Frontier Airlines
Tampa — Chicago
18h 14m
including layover
Find flight
from$286
1:11 pm — 11:54 pm
1:39 pm — 6:55 pm F93600 Frontier Airlines
Denver — Atlanta
4h 3m stop
10:58 pm — 0:22 am F93397 Frontier Airlines
Atlanta — Chicago
9h 43m
including layover
Find flight
from$236
1:39 pm — 10:25 am
+1 day
1:39 pm — 6:55 pm F93600 Frontier Airlines
Denver — Atlanta
14h 7m stop
9:02 am — 10:25 am F91441 Frontier Airlines
Atlanta — Chicago
19h 46m
including layover
Find flight
from$270
3:09 pm — 11:55 pm
3:09 pm — 6:51 pm F91402 Frontier Airlines
Denver — Nashville
3h 3m stop
9:54 pm — 11:55 pm F93080 Frontier Airlines
Nashville — Chicago
7h 46m
including layover
Find flight
from$361
5:26 pm — 9:54 am
+1 day
5:26 pm — 11:21 pm F94920 Frontier Airlines
Denver — Orlando
8h 39m stop
8:00 am — 9:54 am F93853 Frontier Airlines
Orlando — Chicago
15h 28m
including layover
Find flight
from$236
5:26 pm — 6:41 pm
+1 day
5:26 pm — 11:21 pm F94920 Frontier Airlines
Denver — Orlando
16h 57m stop
4:18 pm — 6:41 pm F93043 Frontier Airlines
Orlando — Chicago
24h 15m
including layover
Find flight
from$236
6:00 am — 6:05 pm
6:00 am — 11:34 am F92748 Frontier Airlines
Denver — Tampa
4h 44m stop
4:18 pm — 6:05 pm F93899 Frontier Airlines
Tampa — Chicago
11h 5m
including layover
Find flight
from$236
6:00 am — 0:25 am
+1 day
6:00 am — 11:34 am F92748 Frontier Airlines
Denver — Tampa
10h 43m stop
10:17 pm — 0:25 am F92317 Frontier Airlines
Tampa — Chicago
17h 25m
including layover
Find flight
from$286
7:00 am — 2:10 pm
6:50 am — 10:24 am F93206 Frontier Airlines
Denver — Houston
57m stop
7:42 pm — 10:20 pm F93282 Frontier Airlines
Houston — Chicago
6h 10m
including layover
Find flight
from$231
7:00 am — 8:50 pm
7:00 am — 7:59 am F92015 Frontier Airlines
Denver — Las Vegas
6h 45m stop
3:00 pm — 9:06 pm F92146 Frontier Airlines
Las Vegas — Chicago
12h 50m
including layover
Find flight
from$236
8:34 am — 4:15 pm
8:34 am — 9:30 am F91375 Frontier Airlines
Denver — Phoenix
1h stop
10:30 am — 4:15 pm F91828 Frontier Airlines
Phoenix — Chicago
6h 41m
including layover
Find flight
from$231
8:44 am — 11:31 pm
9:08 am — 2:53 pm F93312 Frontier Airlines
Denver — Orlando
6h 43m stop
9:57 pm — 0:04 am F92791 Frontier Airlines
Orlando — Chicago
13h 47m
including layover
Find flight
from$108
9:49 am — 8:50 pm
9:49 am — 10:51 am F91993 Frontier Airlines
Denver — Las Vegas
3h 53m stop
2:44 pm — 8:50 pm F92146 Frontier Airlines
Las Vegas — Chicago
10h 1m
including layover
Find flight
from$231
10:29 pm — 10:46 pm
+1 day
10:29 pm — 11:24 pm F94753 Frontier Airlines
Denver — Phoenix
6h 41m stop
6:05 am — 7:34 am F91061 Frontier Airlines
Phoenix — Los Angeles
8h 50m stop
4:24 pm — 10:46 pm F92446 Frontier Airlines
Los Angeles — Chicago
23h 17m
including layover
Find flight
from$355
2:44 pm — 9:54 am
+1 day
2:44 pm — 3:51 pm F92349 Frontier Airlines
Denver — Las Vegas
7h 9m stop
11:00 pm — 6:50 am F91876 Frontier Airlines
Las Vegas — Orlando
1h 10m stop
8:00 am — 9:54 am F93853 Frontier Airlines
Orlando — Chicago
18h 10m
including layover
Find flight
from$336
*Departure and arrival times are local. Last updated on 09/06/2025

Flight Information

There is 1 flight by Frontier Airlines from Denver to Chicago every week with departures from Denver International and Arapahoe Co. All flights arrive at Chicago FSS, Midway, O'Hare International, Chicago NAS, Merrill C Meigs (closed), Dupage County, Pal-Waukee.

Departures start from 0:19 am to 9:49 am. Nonstop flight is 2h 24m. The time difference between Denver and Chicago is 1h.

  • The fastest flight 2h 24m
  • Average flight time 2h 24m
  • The earliest flight 0:19 am
  • The latest flight 9:49 am
  • Distance 900 ml

The cheapest months for traveling to Chicago are may (from 59 $), september (from 59 $), july (from 70 $).

The most expensive and popular months are august (from 74 $), june (from 74 $), july (from 70 $).

The cheapest flight by Frontier Airlines that our users were able to find is $59. This airfare is economy class on one-way F92210 flight for September 11, 2025 leaving Denver International in Denver at 9:00 pm, it includes all taxes and additional fees.

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Other Popular Airlines on the Route

Besides Frontier Airlines there are other 4 airline carriers between Denver and Chicago. Please review schedules and prices from the most popular airlines to find the best airfare deals from Denver to Chicago.

Nonstop flights

There are 13 direct flights every day from Denver. Airlines and fares are below:

See more direct flights

Connecting Flights

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

  • from $460
    Find
  • AS - Alaska Airlines
    from $221
    Find
  • SY - Sun Country Airlines
    from $380
    Find
  • HA - Hawaiian Airlines
    from $212
    Find
See more connecting flights

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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