Frontier Airlines Denver to Chicago Flights

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Cheapflightsplus.com will find cheap Frontier Airlines flights from Denver to Chicago. Compare airline ticket prices and book air tickets starting from $111 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 august: one-way - $111, two-way – $190.

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Cheap Flights from Denver to Chicago by Frontier Airlines

Look at the list of plane tickets for the most connecting flights by Frontier Airlines, their prices start from $111. There’re no direct flights. The fastest connecting flight – 8h 38m.

Price	Departure	Arrival	Flight Time	Airline	Flight
from $111 Find flight	8:44 am Denver Denver International	11:31 pm Chicago O'Hare International	13h 47m layover 6h 43m - Orlando	Frontier Airlines	F93312 F92791
from $279 Find flight	1:39 pm Denver Denver International	10:25 am+1 день Chicago O'Hare International	19h 46m layover 14h 7m - Atlanta	Frontier Airlines	F93600 F91441
from $295 Find flight	8:22 am Denver Denver International	11:07 pm Chicago O'Hare International	13h 45m layover 6h 52m - San Diego	Frontier Airlines	F92817 F91856
from $295 Find flight	10:29 pm Denver Denver International	11:07 pm+1 день Chicago O'Hare International	23h 38m layover 16h 52m - San Diego	Frontier Airlines	F92711 F91856
from $295 Find flight	6:00 am Denver Denver International	0:25 am+1 день Chicago O'Hare International	17h 25m layover 10h 43m - Tampa	Frontier Airlines	F92748 F92317
from $295 Find flight	11:58 pm Denver Denver International	7:12 pm+1 день Chicago O'Hare International	18h 14m layover 11h 36m - Tampa	Frontier Airlines	F91114 F91415
from $295 Find flight	0:23 am Denver Denver International	11:31 pm Chicago O'Hare International	22h 8m layover 15h 14m - Orlando	Frontier Airlines	F91734 F92791
from $304 Find flight	9:15 pm Denver Denver International	4:14 pm+1 день Chicago O'Hare International	17h 59m layover 13h 6m - Dallas	Frontier Airlines	F94464 F91342
from $304 Find flight	9:15 pm Denver Denver International	1:50 pm+1 день Chicago Midway	15h 35m layover 11h 3m - Dallas	Frontier Airlines	F94464 F91888
from $306 Find flight	6:50 am Denver Denver International	10:20 pm Chicago Midway	14h 30m layover 9h 18m - Houston	Frontier Airlines	F93206 F93282
from $306 Find flight	0:23 am Denver Denver International	3:06 pm Chicago Midway	13h 43m layover 7h 6m - Orlando	Frontier Airlines	F91734 F93853
from $317 Find flight	7:00 am Denver Denver International	9:06 pm Chicago O'Hare International	13h 6m layover 7h 1m - Las Vegas	Frontier Airlines	F92015 F92146
from $433 Find flight	6:30 am Denver Denver International	5:10 pm Chicago O'Hare International	9h 40m layover 5h 21m - Dallas	Frontier Airlines	F91324 NK1634
from $297 Find flight	9:15 pm Denver Denver International	11:27 pm+1 день Chicago O'Hare International	25h 12m layover 15h 3m - Dallas 2h 9m - Orlando	Frontier Airlines	F94464 NK1697 NK1369
from $309 Find flight	8:06 pm Denver Denver International	1:47 pm+2 дня Chicago Midway	40h 41m layover 9h 26m - Covington 24h 48m - Atlanta	Frontier Airlines	F91752 F94772 F92291
from $333 Find flight	9:27 pm Denver Denver International	1:47 pm+2 дня Chicago Midway	39h 20m layover 15h 43m - Minneapolis 16h 47m - Atlanta	Frontier Airlines	F91292 F93046 F92291

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*Departure and arrival times are local. Prices are for one-way flights. Information refreshed on 08/16/2025

Frontier Airlines Flight Schedule Denver to Chicago

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	Flight Details	Flight Time	Price
0:23 am — 11:31 pm	0:23 am — 6:04 am F91734 Frontier Airlines Denver — Orlando 15h 14m stop 9:18 pm — 11:31 pm F92791 Frontier Airlines Orlando — Chicago	22h 8m including layover	Find flight from$295
0:23 am — 3:06 pm	0:23 am — 6:04 am F91734 Frontier Airlines Denver — Orlando 7h 6m stop 1:10 pm — 3:06 pm F93853 Frontier Airlines Orlando — Chicago	13h 43m including layover	Find flight from$306
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$295
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$295
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$279
1:39 pm — 0:22 am +1 day	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$295
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$295
6:50 am — 10:20 pm	6:50 am — 10:24 am F93206 Frontier Airlines Denver — Houston 9h 18m stop 7:42 pm — 10:20 pm F93282 Frontier Airlines Houston — Chicago	14h 30m including layover	Find flight from$306
7:00 am — 9:06 pm	7:00 am — 7:59 am F92015 Frontier Airlines Denver — Las Vegas 7h 1m stop 3:00 pm — 9:06 pm F92146 Frontier Airlines Las Vegas — Chicago	13h 6m including layover	Find flight from$317
8:22 am — 11:07 pm	8:22 am — 9:52 am F92817 Frontier Airlines Denver — San Diego 6h 52m stop 4:44 pm — 11:07 pm F91856 Frontier Airlines San Diego — Chicago	13h 45m including layover	Find flight from$295
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$111
9:15 pm — 4:14 pm +1 day	9:15 pm — 0:24 am F94464 Frontier Airlines Denver — Dallas 13h 6m stop 1:30 pm — 4:14 pm F91342 Frontier Airlines Dallas — Chicago	17h 59m including layover	Find flight from$304
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$366
11:30 pm — 1:47 pm +2 days	11:30 pm — 5:09 am F93340 Frontier Airlines Denver — Philadelphia 24h 21m stop 5:30 am — 7:48 am F92551 Frontier Airlines Philadelphia — Atlanta 4h 59m stop 12:47 pm — 1:47 pm F92291 Frontier Airlines Atlanta — Chicago	37h 17m including layover	Find flight from$468
7:00 am — 11:07 pm	7:00 am — 7:59 am F92015 Frontier Airlines Denver — Las Vegas 2h 46m stop 10:45 am — 12:08 pm F91469 Frontier Airlines Las Vegas — San Diego 4h 36m stop 4:44 pm — 11:07 pm F91856 Frontier Airlines San Diego — Chicago	15h 7m including layover	Find flight from$371
9:15 pm — 11:27 pm +1 day	9:15 pm — 0:24 am F94464 Frontier Airlines Denver — Dallas 15h 3m stop 3:27 pm — 7:10 pm NK1697 Spirit Airlines Dallas — Orlando 2h 9m stop 9:19 pm — 11:27 pm NK1369 Spirit Airlines Orlando — Chicago	25h 12m including layover	Find flight from$297

Departure	Arrival	Flight Details	Flight Time	Price
		stop stop	including layover	Find flight from$

*Departure and arrival times are local. Last updated on 08/16/2025

Flight Information

There are 42 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 0:23 am to 9:27 pm. Nonstop flight is 8h 38m. The time difference between Denver and Chicago is 1h.

The fastest flight 8h 38m
Average flight time 17h 25m
The earliest flight 0:23 am
The latest flight 9:27 pm
Distance 900 ml

The cheapest months for traveling to Chicago are july (from 111 $), august (from 138 $), may (from 185 $).

The cheapest flight by Frontier Airlines that our users were able to find is $111. This airfare is economy class on one-way F93312 flight for August 8, 2025 leaving Denver International in Denver at 8:44 am, it includes all taxes and additional fees.

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Frontier Airlines Airplanes on the Route

List of the most popular Frontier Airlines airplanes flying from Denver to Chicago:

Other Popular Airlines on the Route

Besides Frontier Airlines there are other 6 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 5 direct flights every day from Denver. Airlines and fares are below:

UA - United Airlines

from $112

Find

See more direct flights

Connecting Flights

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

UA - United Airlines

from $199

Find
AS - Alaska Airlines

from $228

Find
SY - Sun Country Airlines

from $323

Find
HA - Hawaiian Airlines

from $192

Find
KG - Aerogaviota

from $247

Find
G4 - Allegiant Air

from $444

Find

See more connecting flights

How to book an air ticket yourself?

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