Cheap flights from Denver (DEN) to Chicago (CHI)

DEN — CHI
Jan 31 — Feb 71

The best prices from Denver Intl to Chicago are usually found in January or February, booked 26 days in advance, depart on a Wednesday or Saturday 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 2023: compare Denver to Chicago flight prices with the expected peak season, weather and rainfall in Chicago.

DEN - CHI

Price

$157 - $372

CHI

Temperature

23 - 73.4 °F

CHI

Rainfall

1.7 - 4.9 inches

Popular inJuneHigh demand for flights, 33% potential price rise
Cheapest inJanuaryBest time to find cheap flights, 37% potential price drop
Round-trip from$157From Denver Intl to Chicago (CHI)
One-way from$65One-way flight from Denver Intl to Chicago (CHI)

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 26 days before your planned departure. Booking around this time can save you about 15% on the cost of this flight compared to booking a flight leaving this week. We have found prices from $272 if you need a flight within two weeks. For flights within the next 72 hours, you can find tickets from as low as $298.

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

January is one of the best times of the year to fly to Chicago from Denver. Prices for January average $251 per person but you can even find prices for as low as $105. The most expensive prices can be found in the month of June. Opting for a January flight can save you 48% on your journey compared to booking in June

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

It’s optimal to fly from Denver to Chicago in the afternoon. By choosing this option you can save up to 25% on the cost of your flight, compared to a flight at noon.

Cheap flights from Denver to Chicago in January, February 2023

The best prices found for DEN to CHI flights for January, February
Jan 31 - Feb 1
DEN

Denver Intl

MDW

Chicago Midway

Nonstop

2h 20m
MDW

Chicago Midway

DEN

Denver Intl

Nonstop

2h 48m
$40

Frontier

Pick Dates

Deal found 1/24

Feb 4 - Feb 7
DEN

Denver Intl

MDW

Chicago Midway

Nonstop

2h 20m
MDW

Chicago Midway

DEN

Denver Intl

Nonstop

2h 48m
$48

Frontier

Pick Dates

Deal found 1/24

Feb 2 - Feb 4
DEN

Denver Intl

MDW

Chicago Midway

Nonstop

2h 20m
MDW

Chicago Midway

DEN

Denver Intl

Nonstop

2h 48m
$58

Frontier

Pick Dates

Deal found 1/25

Denver to Chicago 2023 flight deals

Cheap flights to Chicago from Denver found for this year
Jan 31 - Feb 1
DEN

Denver Intl

MDW

Chicago Midway

Nonstop

2h 20m
MDW

Chicago Midway

DEN

Denver Intl

Nonstop

2h 48m
$40

Frontier

Pick Dates

Deal found 1/24

Feb 4 - Feb 7
DEN

Denver Intl

MDW

Chicago Midway

Nonstop

2h 20m
MDW

Chicago Midway

DEN

Denver Intl

Nonstop

2h 48m
$48

Frontier

Pick Dates

Deal found 1/24

Mar 4 - Mar 7
DEN

Denver Intl

MDW

Chicago Midway

Nonstop

2h 20m
MDW

Chicago Midway

DEN

Denver Intl

Nonstop

2h 48m
$53

Frontier

Pick Dates

Deal found 1/23

Cheap Spirit Airlines flights from Denver to Chicago

Feb 10 - Feb 12
DEN

Denver Intl

ORD

Chicago O'Hare Intl

1 stop

8h 51m
ORD

Chicago O'Hare Intl

DEN

Denver Intl

1 stop

6h 14m
$139

Spirit Airlines

Pick Dates

Deal found 1/24

Feb 13 - Feb 15
DEN

Denver Intl

ORD

Chicago O'Hare Intl

1 stop

23h 38m
ORD

Chicago O'Hare Intl

DEN

Denver Intl

1 stop

6h 14m
$147

Spirit Airlines

Pick Dates

Deal found 1/24

Feb 21 - Feb 24
DEN

Denver Intl

ORD

Chicago O'Hare Intl

1 stop

16h 41m
ORD

Chicago O'Hare Intl

DEN

Denver Intl

1 stop

6h 14m
$150

Spirit Airlines

Pick Dates

Deal found 1/25

  • If you’re traveling from Denver to Chicago, one of the more common airlines traveling that route is Spirit Airlines. Denver to Chicago flights are typically 39% cheaper than other airlines traveling the same route. Flights from Spirit Airlines typically cost $361.45 RT. The cheapest Spirit Airlines flight found for this route was $147. When traveling from Denver to Chicago on Spirit Airlines, the most popular airport to depart from is Denver Intl Airport and the most popular airport to arrive at is Chicago O'Hare Intl Airport. When flying from Denver to Chicago, Spirit Airlines flights are 41% more popular than any other airline flying that same route.

Cheap United Airlines flights from Denver to Chicago

Feb 18 - Feb 19
DEN

Denver Intl

ORD

Chicago O'Hare Intl

Nonstop

2h 24m
ORD

Chicago O'Hare Intl

DEN

Denver Intl

Nonstop

2h 38m
$158

United Airlines

Pick Dates

Deal found 1/24

Mar 4 - Mar 7
DEN

Denver Intl

ORD

Chicago O'Hare Intl

Nonstop

2h 26m
ORD

Chicago O'Hare Intl

DEN

Denver Intl

1 stop

7h 43m
$168

United Airlines

Pick Dates

Deal found 1/26

Feb 3 - Feb 10
DEN

Denver Intl

ORD

Chicago O'Hare Intl

Nonstop

2h 33m
ORD

Chicago O'Hare Intl

DEN

Denver Intl

Nonstop

2h 40m
$198

United Airlines

Pick Dates

Deal found 1/24

  • If you’re traveling from Denver to Chicago, one of the more common airlines traveling that route is United Airlines. Flights from United Airlines traveling this route typically cost $329.99 RT. This price is typically 48% more expensive than other airlines that offer Denver to Chicago flights. When booking this route, the cheapest RT price found was $199. The most popular departure airport in Denver when flying to Chicago is Denver Intl Airport. The most popular airport to fly into when visiting Chicago is Chicago O'Hare Intl Airport. When flying from Denver to Chicago, United Airlines flights are 39% more popular than any other airline flying that same route.

Non-stop flights to Chicago from Denver

Save time with Denver to Chicago direct flight deals
Mar 4 - Mar 7
DEN

Denver Intl

MDW

Chicago Midway

Nonstop

2h 20m
MDW

Chicago Midway

DEN

Denver Intl

Nonstop

2h 48m
$53

Frontier

Pick Dates

Deal found 1/23

Mar 2 - Mar 7
DEN

Denver Intl

MDW

Chicago Midway

Nonstop

2h 20m
MDW

Chicago Midway

DEN

Denver Intl

Nonstop

2h 48m
$55

Frontier

Pick Dates

Deal found 1/23

Feb 11 - Feb 15
DEN

Denver Intl

MDW

Chicago Midway

Nonstop

2h 20m
MDW

Chicago Midway

DEN

Denver Intl

Nonstop

2h 48m
$60

Frontier

Pick Dates

Deal found 1/25

Last minute flights from Denver to Chicago

Late deals on return flights to Chicago from Denver, departing today and this week
Jan 31 - Feb 1
DEN

Denver Intl

MDW

Chicago Midway

Nonstop

2h 20m
MDW

Chicago Midway

DEN

Denver Intl

Nonstop

2h 48m
$40

Frontier

Pick Dates

Deal found 1/24

Feb 4 - Feb 7
DEN

Denver Intl

MDW

Chicago Midway

Nonstop

2h 20m
MDW

Chicago Midway

DEN

Denver Intl

Nonstop

2h 48m
$48

Frontier

Pick Dates

Deal found 1/24

Feb 2 - Feb 4
DEN

Denver Intl

MDW

Chicago Midway

Nonstop

2h 20m
MDW

Chicago Midway

DEN

Denver Intl

Nonstop

2h 48m
$58

Frontier

Pick Dates

Deal found 1/25

One-way flights to Chicago from Denver

The cheapest one-way flights from Denver to Chicago
Feb 22
DEN

Denver Intl

MDW

Chicago Midway

Nonstop

2h 20m
$31

Frontier

Pick Dates

Deal found 1/24

Feb 14
DEN

Denver Intl

MDW

Chicago Midway

Nonstop

2h 20m
$34

Frontier

Pick Dates

Deal found 1/24

Feb 15
DEN

Denver Intl

MDW

Chicago Midway

Nonstop

2h 20m
$38

Frontier

Pick Dates

Deal found 1/26

Reviews of Airlines Servicing Chicago

Delta
7.9
Good
2,011 reviews

Boarding

8.1

Food

7.2

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 10

The Delta staff are friendly and we were in Comfort+ which are very comfortable

Delta
7.9
Good
2,011 reviews
Delta
7.9
Good
2,011 reviews

Boarding

8.1

Food

7.2

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 10

The Delta staff are friendly and we were in Comfort+ which are very comfortable

United Airlines
7.6
Good
1,147 reviews
Delta
7.9
Good
2,011 reviews

Boarding

8.1

Food

7.2

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 10

The Delta staff are friendly and we were in Comfort+ which are very comfortable

American Airlines
7.4
Good
1,680 reviews
Delta
7.9
Good
2,011 reviews

Boarding

8.1

Food

7.2

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 10

The Delta staff are friendly and we were in Comfort+ which are very comfortable

Spirit Airlines
6.9
Okay
709 reviews
Delta
7.9
Good
2,011 reviews

Boarding

8.1

Food

7.2

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 10

The Delta staff are friendly and we were in Comfort+ which are very comfortable

Frontier
6.1
Okay
537 reviews
Delta
7.9
Good
2,011 reviews

Boarding

8.1

Food

7.2

Comfort

7.9

Overall

7.9

Crew

8.5

Entertainment

7.8

Reviews

1 / 10

The Delta staff are friendly and we were in Comfort+ which are very comfortable

Related info for your journey

Useful info, stats and facts about Denver to Chicago flights.

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 47 outbound flights to Chicago per day from 8 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, Frontier, and American Airlines flying from Denver Intl to Chicago have implemented new flexible cancellation policies.

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 $53, but on average you can expect to pay $71.

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 $74.

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?

You can find nonstop flights on the following days: Sunday, Monday, Tuesday, Friday, Saturday.

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

12 flight departures from Denver to Chicago per day on average.
Early Morning (Midnight to 6am) - 33% of flight departures
Morning (6am - Noon) - 42% of flight departures
Afternoon (Noon - 6pm) - 25% of flight departures

How long is the flight from Denver to Chicago?

Departing from Denver to Chicago will take you 2h 20m. There are 891 mi between Denver and Chicago. All flights are typically nonstop.

What is the cheapest airline to fly from Denver to Chicago round-trip?

Flying on Frontier is currently your cheapest option to Chicago, with prices starting at $53. You may be able to fly from Denver to Chicago for 78% less than the average price by searching for this airline.

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

The cheapest airline one-way is Frontier, with whom users have recently found tickets for as low as $31. However, be on the lookout for offers from Spirit Airlines and United Airlines, as they are both options that can get you from Denver to Chicago for a low price.

What are the most popular routes from Denver to Chicago?

When deciding which route to take from Denver to Chicago consider Denver Intl - Chicago O'Hare Intl, Denver Intl - Chicago Midway or Denver Intl - Chicago Greater Rockford as they are the most popular.

What are the most popular airlines that fly from Denver to Chicago?

The most popular airlines flying from Denver to Chicago are American Airlines, Delta and Frontier. Something to consider prior to booking your flight.

What are the most reliable airlines from Denver to Chicago?

The top 3 most reliable airlines when flying from Denver to Chicago are LOT (87%), Iberia (84%) and United Airlines (81%).

What are the cheapest flights from Denver to Chicago?

Looking at all options, your cheapest flight can be booked for $69. While the most popular route (Denver Intl - Chicago O'Hare Intl) can be booked for $128 on average our data indicates $510 when flying from Denver to Chicago.

Alternative routes for Denver to Chicago

See prices for flight routes from nearby airports that may be better suited for you.
Denver to Peoriafrom $117 pp
Denver to Molinefrom $168 pp
Denver to Marionfrom $180 pp
Denver to Quincyfrom $189 pp
Denver to Decaturfrom $354 pp

Top 7 airlines flying from Denver 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.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Juneyao AirlinesCheapest$12Average$23FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
FrontierCheapest$61Average$196FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
Spirit AirlinesCheapest$73Average$239FlexibilityNo cancel feeOn-time65%COVID-19 safety
Search Spirit Airlines flights
Denver Air ConnectionCheapest$115Average$267FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Denver Air Connection flights
American AirlinesCheapest$137Average$293FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights
DeltaCheapest$145Average$326FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
United AirlinesCheapest$147Average$361FlexibilityNo cancel feeOn-time69%COVID-19 safety
Search United Airlines flights

Hourly flight availability from Denver to Chicago

See what time of day planes typically take off from Denver to Chicago
15%of flight departuresEarly morningMidnight to 6 am
50%of flight departuresMorning6 am to noon
29%of flight departuresAfternoonNoon to 6 pm
6%of flight departuresEvening6 pm to midnight
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
Sunday30daily flights
Monday48daily flights
Tuesday51daily flights
Wednesday60daily flights
Thursday62daily flights
Friday60daily flights
Saturday23daily flights
100% Free
Cheapflights is completely free to use, so you can start saving the moment you arrive.
Book with Flexibility
Our users can plan ahead with confidence and find flights with no change fees
Travel Smart
Millions of people come to us for their flight needs every year. We help make travel planning easy by providing useful insights and data-driven graphs that can inform your decisions.