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 $53 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 june: one-way - $53, two-way – $91.
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
10:18 am — 1:58 pm
10:18 am — 1:58 pm F93170 Frontier Airlines
Denver — Chicago
2h 40m
Find flight
from$111
11:38 am — 3:14 pm
11:38 am — 3:14 pm F91484 Frontier Airlines
Denver — Chicago
2h 36m
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from$82
8:22 pm — 11:53 pm
8:22 pm — 11:53 pm F93172 Frontier Airlines
Denver — Chicago
2h 31m
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from$57
9:30 pm — 0:54 am
+1 day
9:30 pm — 0:54 am F92210 Frontier Airlines
Denver — Chicago
2h 24m
Find flight
from$53
0:04 am — 11:56 am
0:20 am — 6:03 am F91734 Frontier Airlines
Denver — Orlando
4h 21m stop
6:20 pm — 8:17 pm F93853 Frontier Airlines
Orlando — Chicago
10h 52m
including layover
Find flight
from$80
0:09 am — 8:53 am
0:23 am — 6:00 am F91734 Frontier Airlines
Denver — Orlando
56m stop
1:06 pm — 3:27 pm F93043 Frontier Airlines
Orlando — Chicago
7h 44m
including layover
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from$81
10:01 am — 8:34 pm
10:01 am — 1:12 pm F92550 Frontier Airlines
Denver — Dallas
4h 51m stop
6:03 pm — 8:34 pm F91342 Frontier Airlines
Dallas — Chicago
9h 33m
including layover
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from$85
10:29 pm — 10:20 pm
+1 day
9:36 pm — 11:05 pm F92711 Frontier Airlines
Denver — San Diego
16h 12m stop
4:53 pm — 10:56 pm F91856 Frontier Airlines
San Diego — Chicago
22h 51m
including layover
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from$81
11:59 pm — 11:53 am
+1 day
11:58 pm — 5:33 am F91114 Frontier Airlines
Denver — Tampa
4h 33m stop
8:49 pm — 10:41 pm F93899 Frontier Airlines
Tampa — Chicago
10h 54m
including layover
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from$82
12:32 pm — 0:14 am
+1 day
12:32 pm — 6:04 pm F92706 Frontier Airlines
Denver — Baltimore
4h 54m stop
10:58 pm — 0:14 am F94063 Frontier Airlines
Baltimore — Chicago
10h 42m
including layover
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from$81
1:33 pm — 2:56 pm
+1 day
1:33 pm — 2:39 pm F92349 Frontier Airlines
Denver — Las Vegas
18h 38m stop
9:25 am — 3:00 pm F92330 Frontier Airlines
Las Vegas — Chicago
24h 23m
including layover
Find flight
from$87
1:39 pm — 11:29 pm
1:39 pm — 6:55 pm F93600 Frontier Airlines
Denver — Atlanta
3h 10m stop
10:05 pm — 11:29 pm F91595 Frontier Airlines
Atlanta — Chicago
8h 50m
including layover
Find flight
from$76
2:00 pm — 9:06 pm
+1 day
2:00 pm — 3:07 pm F92349 Frontier Airlines
Denver — Las Vegas
23h 53m stop
3:00 pm — 9:06 pm F92146 Frontier Airlines
Las Vegas — Chicago
30h 6m
including layover
Find flight
from$99
5:51 pm — 8:56 pm
+1 day
5:41 pm — 6:50 pm F94967 Frontier Airlines
Denver — Las Vegas
20h 5m stop
3:03 pm — 8:53 pm F92146 Frontier Airlines
Las Vegas — Chicago
26h 5m
including layover
Find flight
from$86
5:59 pm — 10:20 pm
+1 day
5:59 pm — 7:29 pm F94989 Frontier Airlines
Denver — San Diego
20h 33m stop
4:02 pm — 10:20 pm F91856 Frontier Airlines
San Diego — Chicago
27h 21m
including layover
Find flight
from$81
6:00 am — 10:24 pm
6:00 am — 11:34 am F92748 Frontier Airlines
Denver — Tampa
8h 58m stop
8:49 pm — 10:41 pm F93899 Frontier Airlines
Tampa — Chicago
15h 24m
including layover
Find flight
from$80
6:50 am — 10:18 pm
6:40 am — 10:23 am F93206 Frontier Airlines
Denver — Houston
9h 22m stop
7:52 pm — 10:25 pm F93282 Frontier Airlines
Houston — Chicago
14h 28m
including layover
Find flight
from$76
7:07 am — 8:54 pm
7:00 am — 8:01 am F92015 Frontier Airlines
Denver — Las Vegas
6h 45m stop
3:03 pm — 8:53 pm F92146 Frontier Airlines
Las Vegas — Chicago
12h 47m
including layover
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from$81
7:53 pm — 10:25 pm
+1 day
7:59 pm — 11:53 pm F92996 Frontier Airlines
Denver — Houston
20h 18m stop
8:15 pm — 10:58 pm F91882 Frontier Airlines
Houston — Chicago
25h 32m
including layover
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from$81
8:09 pm — 12:49 pm
+1 day
7:53 pm — 11:47 pm F92996 Frontier Airlines
Denver — Houston
10h 16m stop
6:48 pm — 9:23 pm F93136 Frontier Airlines
Houston — Chicago
15h 40m
including layover
Find flight
from$81
9:54 am — 8:54 pm
9:44 am — 10:51 am F91993 Frontier Airlines
Denver — Las Vegas
3h 54m stop
3:03 pm — 8:53 pm F92146 Frontier Airlines
Las Vegas — Chicago
10h
including layover
Find flight
from$80
*Departure and arrival times are local. Last updated on 06/01/2025

Flight Information

There are 4 flights 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 0:04 am to 9:54 am. Nonstop flight is 2h 24m. The time difference between Denver and Chicago is 1h.

  • The fastest flight 2h 24m
  • Average flight time 2h 34m
  • The earliest flight 0:04 am
  • The latest flight 9:54 am
  • Distance 900 ml

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

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

The cheapest flight by Frontier Airlines that our users were able to find is $53. This airfare is economy class on one-way F92210 flight for July 25, 2025 leaving Denver International in Denver at 9:30 pm, it includes all taxes and additional fees.

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Other Popular Airlines on the Route

Besides Frontier Airlines there are other 7 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 22 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 $133
    Find
  • AS - Alaska Airlines
    from $126
    Find
  • SY - Sun Country Airlines
    from $93
    Find
  • TK - Turkish Airlines
    from $1956
    Find
  • AY - Finnair
    from $3044
    Find
  • HA - Hawaiian Airlines
    from $120
    Find
  • G4 - Allegiant Air
    from $103
    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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