Cheap flights from Denver to Chicago (DEN - CHI)

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The best prices from Denver Intl to Chicago are usually found in August or July, booked 24 days in advance, depart on a Saturday or Thursday and return on a Tuesday

How to find the cheapest flight from
Denver (DEN) to Chicago (CHI)

All the information you need to plan the best DEN to CHI flight in 2021: compare Denver to Chicago flight prices with the expected peak season, weather and rainfall in Chicago.
DEN - CHI
Price
$70 - $214
CHI
Temperature
33.8 - 84.2 °F
CHI
Precipitation
0.7 - 4.3 inches

Popular in

December

High demand for flights, 38% potential price rise

Cheapest in

August

Best time to find cheap flights, 47% potential price drop

Round-trip from

$70

From Denver Intl to Chicago

One-way from

$40

One-way flight from Denver Intl to Chicago

Flight route prices based on searches on Cheapflights within the last 3 days, monthly prices based on aggregated historical data.
What is the cheapest day to fly round-trip from Denver to Chicago?

Saturday flights are found to be more expensive to fly from Denver to Chicago. This shouldn’t discourage you from searching, as you can still find great deals by being flexible with your options. Use our search form to find deals on tickets to Chicago.

How far in advance should I book a flight from Denver to Chicago?

To save on the cost of your flight from Denver to Chicago, book at least 20 days before your planned departure. Booking around this time can save you about 11% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $122 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $139.

What is the cheapest month to fly from Denver to Chicago?

August is one of the best times of the year to fly to Chicago from Denver. Prices for August average $133 per person but you can even find prices for as low as $35. The most expensive prices can be found in the month of December. Opting for a August flight can save you 60% on your journey compared to booking in August

When is the cheapest time to fly from Denver to Chicago (DEN - CHI)?

It’s optimal to fly from Denver to Chicago at noon. By choosing this option you can save up to 33% on the cost of your flight, compared to a flight in the afternoon.

Cheap flights from Denver to Chicago in September, October 2021

The best prices found for DEN to CHI flights for September, October
18 Oct - 19 Oct
$52pp
DEN
Denver Intl
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
2 Oct - 16 Oct
$61pp
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
27 Oct - 3 Nov
$62pp
DEN
Denver Intl
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
DEN
Denver Intl

Denver Intl to Chicago 2021 flight deals

Cheap flights to Chicago from Denver found for this year
18 Oct - 19 Oct
$52pp
DEN
Denver Intl
Frontier
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
2 Oct - 16 Oct
$61pp
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
27 Oct - 3 Nov
$62pp
DEN
Denver Intl
Spirit Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Spirit Airlines
 
1 STOP
DEN
Denver Intl

Non-stop flights to Chicago from Denver

Save time with Denver to Chicago direct flight deals
2 Oct - 16 Oct
$61pp
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
27 Sep - 5 Oct
$62pp
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
2 Oct - 17 Oct
$63pp
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl

Last minute flights from Denver to Chicago

Late deals on round-trip flights to Chicago from Denver, departing today and this week
22 Sep - 29 Sep
$67pp
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
21 Sep - 22 Sep
$68pp
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
23 Sep - 25 Sep
$71pp
DEN
Denver Intl
Multiple Airlines
 
1 STOP
ORD
Chicago O'Hare Intl
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl

One-way flights to Chicago from Denver

The cheapest one-way flights from Denver to Chicago
4:25 pm - 7:51 pm
Frontier
Nonstop
2h 26m
DEN - ORD
Frontier
$40
Kiwi.com
1:20 am - 4:55 am
Major Airline
Nonstop
2h 35m
DEN - ORD
Major Airline
$47
StudentUniverse
6:20 pm - 4:12 am
Spirit Airlines
1 Stop
8h 52m
DEN - ORD
Spirit Airlines
$58
FareScan

Related info for your journey

Useful info, stats and facts about <span class="emphasized">Denver</span> to <span class="emphasized">Chicago</span> flights.

Flight FAQs

From Denver to Chicago

What airport do you fly from for flights from Denver to Chicago?

Most people fly from Denver Intl (DEN) if they book a flight from Denver to Chicago. On average, Denver Intl has 66 outbound flights to Chicago per day from 7 airlines. Denver Intl is conveniently located just 18.5 mi from Denver’s city center.

Which airlines flying from Denver Intl to Chicago have flexible cancellations due to COVID-19?

Due to the rapidly changing circumstances due to COVID-19, airlines like United Airlines, Spirit Airlines, and American Airlines flying from Denver Intl to Chicago have implemented new flexible cancellation policies.

Are flight prices decreasing from Denver to Chicago due to COVID-19 (coronavirus)?

At this time, Cheapflights has noticed price decreases for many domestic flights due to COVID-19. Travel is not necessarily recommended at this time, and flights may be prone to cancellation: please check with local authorities in both Denver and Chicago for travel alerts, and be sure to review the airline's cancellation policy and travel advisories before booking. For more information, please view our post on what to know about COVID-19 (coronavirus) and travel.

Can I find flights from Denver to Chicago for under $100 on Cheapflights?

Yes, there are multiple flights from Denver to Chicago for under $100. The cheapest flight booked recently is on Frontier for just $52, but on average you can expect to pay $68.

Are there nonstop flights from Denver to Chicago for under $100 on Cheapflights?

Cheapflights has at least 20 direct flights from Denver to Chicago under $100. A good price for a nonstop flight from Denver to Chicago is less than $73.

Are there last-minute flights available from Denver to Chicago for under $100?

There are currently 20+ open flights from Denver to Chicago within the next 7 days for less than $100.

What days are nonstop flights available from Denver to Chicago?

Nonstop flights can be found on the following days: Sunday, Monday, Friday, Saturday.

How many flights depart from Denver to Chicago on average per day?

20 flight departures from Denver to Chicago per day on average.
Early Morning (Midnight to 6am) - 20% of flight departures
Morning (6am - Noon) - 70% of flight departures
Afternoon (Noon - 6pm) - 10% of flight departures

How long is the flight from Denver to Chicago?

For as low as $52, Frontier can have you in Chicago from Denver in 9h 21m. The distance between Denver and Chicago is about 891 mi. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from Denver to Chicago round-trip?

According to our current data, Frontier ($52), and Spirit Airlines ($84) offers the cheapest pricing from Denver to Chicago. You may be able to fly from Denver to Chicago for 60% less than the average price by searching for these airlines.

What are the cheapest airlines to fly from Denver to Chicago one-way?

One-way options have recently been found by users for as low as $29 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $30 and Major Airline from $47 one-way.

COVID Restrictions

View COVID Travel Restrictions for Chicago, IL

Do I need a COVID test to fly to Chicago from Denver?

Information is based on travel restrictions for travel to Chicago within the United States

Most visitors from Denver Intl need to provide a negative COVID-19 test result and/or quarantine to enter Chicago.

COVID-19 testing requirements
Visitors from Denver Intl must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Chicago.

Quarantine requirements
Visitors from Denver Intl are not required to quarantine after entering Chicago.

Do I need a test to fly back to Denver from Chicago?

Returning to Denver Intl from Chicago

COVID-19 testing requirements
Visitors from Chicago must present a negative RT-PCR (NAAT) or Antigen (quick-test) test taken 72 hours before departing to Denver Intl.

Quarantine requirements
Visitors from Chicago are not required to quarantine after entering Denver Intl.

Hide COVID Travel Restrictions for Chicago, IL

Alternative routes for Denver to Chicago

See prices for flight routes from nearby airports that may be better suited for you.

Destination information for Chicago

Things to know before you go - useful duration and weather info for your trip from Denver to Chicago.
Flight duration from DEN to Chicago
2h 40m
Average temperature for September in Chicago
77.0 °F
Avg rainfall for September in Chicago
2.4 ″

Airports servicing Denver

Airports servicing Chicago

Midway (MDW)
Rockford (RFD)

Top 6 airlines flying from Denver Intl to Chicago

The chart below displays the airlines Cheapflights users traveling from Denver to Chicago choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Spirit Airlines
$53 $148 No cancel fee 65%
Frontier
$48 $151 No cancel fee 62%
American Airlines
$73 $241 No cancel fee 71%
United Airlines
$50 $241 No cancel fee 69%
Delta
$82 $306 No cancel fee N/A
Southwest
$246 $409 No cancel fee 63%

Hourly flight availability from Denver to Chicago

See what time of day planes typically take off from Denver towards Chicago.
Morning 6 AM to noon 52% of DEN to CHI departures
Afternoon Noon to 6 PM 26% of DEN to CHI departures
Early morning Midnight to 6 AM 15% of DEN to CHI departures
Evening 6 PM to midnight 7% of DEN to CHI departures
Midnight
6 AM
Noon
6 PM
Weekly flight availability
from Denver to Chicago
See how many times per day planes take to the skies headed from Denver to Chicago.
Sunday
34 daily flights
Monday
89 daily flights
Tuesday
67 daily flights
Wednesday
76 daily flights
Thursday
77 daily flights
Friday
82 daily flights
Saturday
37 daily flights
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