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 $33 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 april: one-way - $33, two-way – $57.
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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
12:28 pm — 3:50 pm
12:28 pm — 3:50 pm F91228 Frontier Airlines
Denver — Chicago
2h 22m
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from$33
1:54 pm — 5:30 pm
1:54 pm — 5:30 pm F92048 Frontier Airlines
Denver — Chicago
2h 36m
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from$94
6:10 am — 9:47 am
6:10 am — 9:47 am F91484 Frontier Airlines
Denver — Chicago
2h 37m
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from$44
7:42 pm — 11:16 pm
7:42 pm — 11:16 pm F93174 Frontier Airlines
Denver — Chicago
2h 34m
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from$44
8:55 pm — 0:13 am
+1 day
8:55 pm — 0:13 am F92210 Frontier Airlines
Denver — Chicago
2h 18m
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from$44
9:27 pm — 1:03 am
+1 day
9:27 pm — 1:03 am F93172 Frontier Airlines
Denver — Chicago
2h 36m
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from$47
0:58 am — 10:55 am
11:49 pm — 4:52 am F93294 Frontier Airlines
Denver — Atlanta
3h 54m stop
10:03 am — 11:05 am F92143 Frontier Airlines
Atlanta — Chicago
8h 57m
including layover
Find flight
from$62
0:58 am — 9:08 am
11:49 pm — 4:52 am F93294 Frontier Airlines
Denver — Atlanta
1h 54m stop
11:31 am — 12:46 pm F91441 Frontier Airlines
Atlanta — Chicago
7h 10m
including layover
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from$62
10:45 pm — 12:34 pm
+1 day
10:45 pm — 11:53 pm F93539 Frontier Airlines
Denver — Las Vegas
6h 57m stop
6:50 am — 12:34 pm F92330 Frontier Airlines
Las Vegas — Chicago
12h 49m
including layover
Find flight
from$62
10:45 pm — 0:12 am
+2 days
10:45 pm — 11:53 pm F93539 Frontier Airlines
Denver — Las Vegas
18h 38m stop
6:31 pm — 0:12 am F92146 Frontier Airlines
Las Vegas — Chicago
24h 27m
including layover
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from$62
11:56 pm — 10:09 am
+1 day
11:59 pm — 5:30 am F93340 Frontier Airlines
Denver — Philadelphia
3h 19m stop
10:10 am — 11:31 am F91617 Frontier Airlines
Philadelphia — Chicago
9h 13m
including layover
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from$62
11:59 pm — 8:25 pm
+1 day
11:59 pm — 5:31 am F91114 Frontier Airlines
Denver — Tampa
13h 9m stop
6:40 pm — 8:25 pm F93899 Frontier Airlines
Tampa — Chicago
19h 26m
including layover
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from$62
12:23 pm — 1:43 pm
+1 day
12:23 pm — 5:50 pm F92746 Frontier Airlines
Denver — Tampa
17h 53m stop
11:43 am — 1:43 pm F91415 Frontier Airlines
Tampa — Chicago
24h 20m
including layover
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from$67
1:20 pm — 5:25 pm
+1 day
1:52 pm — 3:03 pm F92349 Frontier Airlines
Denver — Las Vegas
21h 4m stop
1:39 pm — 7:30 pm F92146 Frontier Airlines
Las Vegas — Chicago
27h 5m
including layover
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from$67
2:21 pm — 12:34 pm
+1 day
2:21 pm — 3:24 pm F92429 Frontier Airlines
Denver — Las Vegas
15h 26m stop
6:50 am — 12:34 pm F92330 Frontier Airlines
Las Vegas — Chicago
21h 13m
including layover
Find flight
from$139
3:37 pm — 11:59 pm
3:37 pm — 4:40 pm F92429 Frontier Airlines
Denver — Las Vegas
1h 38m stop
6:18 pm — 11:59 pm F92146 Frontier Airlines
Las Vegas — Chicago
7h 22m
including layover
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from$133
3:54 pm — 11:40 am
+1 day
6:15 am — 11:42 am F92746 Frontier Airlines
Denver — Tampa
12h 20m stop
9:53 am — 11:40 am F91185 Frontier Airlines
Tampa — Chicago
18h 46m
including layover
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from$65
4:20 pm — 1:52 am
+1 day
4:20 pm — 6:18 pm F92105 Frontier Airlines
Denver — Phoenix
2h 53m stop
9:11 pm — 1:52 am F91828 Frontier Airlines
Phoenix — Chicago
8h 32m
including layover
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from$179
4:31 pm — 11:29 pm
2:15 pm — 7:22 pm F91450 Frontier Airlines
Denver — Atlanta
55m stop
10:58 pm — 11:55 pm F92779 Frontier Airlines
Atlanta — Chicago
5h 58m
including layover
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from$88
5:01 am — 10:57 pm
5:01 am — 10:12 am F92986 Frontier Airlines
Denver — Charlotte
11h 23m stop
9:35 pm — 10:57 pm F93141 Frontier Airlines
Charlotte — Chicago
16h 56m
including layover
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from$71
5:35 pm — 9:27 am
+1 day
5:35 pm — 11:22 pm F94584 Frontier Airlines
Denver — Orlando
7h 43m stop
7:05 am — 9:27 am F93043 Frontier Airlines
Orlando — Chicago
14h 52m
including layover
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from$67
6:00 am — 9:52 am
+1 day
12:47 pm — 6:28 pm F93312 Frontier Airlines
Denver — Orlando
19h 41m stop
5:28 pm — 7:43 pm F92041 Frontier Airlines
Orlando — Chicago
26h 52m
including layover
Find flight
from$63
7:39 pm — 5:25 pm
+1 day
6:33 pm — 7:37 pm F94967 Frontier Airlines
Denver — Las Vegas
14h 49m stop
6:31 pm — 0:12 am F92146 Frontier Airlines
Las Vegas — Chicago
20h 46m
including layover
Find flight
from$62
8:55 pm — 9:16 am
+1 day
8:55 pm — 0:01 am F92632 Frontier Airlines
Denver — Dallas
6h 54m stop
6:55 am — 9:16 am F93242 Frontier Airlines
Dallas — Chicago
11h 21m
including layover
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from$63
9:52 am — 11:48 am
+1 day
6:00 am — 7:09 am F92015 Frontier Airlines
Denver — Las Vegas
19h 9m stop
6:50 am — 12:34 pm F92330 Frontier Airlines
Las Vegas — Chicago
24h 56m
including layover
Find flight
from$71
*Departure and arrival times are local. Last updated on 04/19/2025

Flight Information

There are 6 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 0:50 am to 9:52 am. Nonstop flight is 2h 18m. The time difference between Denver and Chicago is 1h.

  • The fastest flight 2h 18m
  • Average flight time 2h 35m
  • The earliest flight 0:50 am
  • The latest flight 9:52 am
  • Distance 900 ml

The cheapest months for traveling to Chicago are november (from 33 $), december (from 47 $), february (from 63 $).

The most expensive and popular months are january (from 67 $), february (from 63 $), december (from 47 $).

The cheapest flight by Frontier Airlines that our users were able to find is $33. This airfare is economy class on one-way F91228 flight for November 12, 2024 leaving Denver International in Denver at 12:28 pm, it includes all taxes and additional fees.

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Other Popular Airlines on the Route

Besides Frontier Airlines there are other 1 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 6 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):

  • KG - Aerogaviota
    from $149
    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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