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

CHI — DEN
May 17 — May 241

The best prices from Chicago to Denver Intl are usually found in August or July, booked 19 days in advance, depart on a Wednesday or Saturday and return on a Friday

How to find the cheapest flight from Chicago to Denver

All the information you need to plan the best CHI to DEN flight in 2022: compare Chicago to Denver flight prices with the expected peak season, weather and rainfall in Denver.

CHI - DEN

Price

$74 - $203

DEN

Temperature

30.2 - 73.4 °F

DEN

Rainfall

0.5 - 2.3 inches

Popular inDecemberHigh demand for flights, 30% potential price rise
Cheapest inAugustBest time to find cheap flights, 48% potential price drop
Average price$141Average for round-trip flights in May 2022
Round-trip from$74From Chicago (CHI) to Denver Intl

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

Travelers have found that booking a Tuesday departure is the best way to save up to 11% on the cost of booking your flights compared to booking on days of the week where this route is of high demand.

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

To save up to 7% on this flight, we recommend booking at least 20 days prior to travel. The price may fluctuate and will likely increase closer to your departure date. Users on Cheapflights have found tickets from Chicago to Denver from $126 1-2 weeks out and tickets from $137 for flights departing within the next 72 hours.

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

Our data shows that August tends to be the cheapest month to fly to Denver from Chicago. Users have commonly found prices around $142 for the month, but tickets can be as low as $37. Due to multiple factors, prepare for potentially higher prices in December.

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

A simple way to save on the total cost of your ticket is to fly from Chicago to Denver in the evening. If you’re flexible enough to do this you can expect to save up to 23% on your trip compared to booking a flight at noon.

Cheap flights from Chicago to Denver in May, June 2022

The best prices found for CHI to DEN flights for May, June
May 18 - May 24
MDW

Chicago Midway

DEN

Denver Intl

Nonstop

2h 37m
DEN

Denver Intl

MDW

Chicago Midway

Nonstop

2h 19m
$140

Frontier

View Deal

Deal found 5/10/22

May 21 - May 23
MDW

Chicago Midway

DEN

Denver Intl

Nonstop

2h 37m
DEN

Denver Intl

MDW

Chicago Midway

Nonstop

2h 19m
$168

Frontier

View Deal

Deal found 5/9/22

May 19 - May 25
MDW

Chicago Midway

DEN

Denver Intl

Nonstop

2h 37m
DEN

Denver Intl

MDW

Chicago Midway

Nonstop

2h 19m
$185

Frontier

View Deal

Deal found 5/11/22

Chicago to Denver 2022 flight deals

Cheap flights to Denver from Chicago found for this year
May 18 - May 24
MDW

Chicago Midway

DEN

Denver Intl

Nonstop

2h 37m
DEN

Denver Intl

MDW

Chicago Midway

Nonstop

2h 19m
$140

Frontier

View Deal

Deal found 5/10/22

May 21 - May 23
MDW

Chicago Midway

DEN

Denver Intl

Nonstop

2h 37m
DEN

Denver Intl

MDW

Chicago Midway

Nonstop

2h 19m
$168

Frontier

View Deal

Deal found 5/9/22

May 19 - May 25
MDW

Chicago Midway

DEN

Denver Intl

Nonstop

2h 37m
DEN

Denver Intl

MDW

Chicago Midway

Nonstop

2h 19m
$185

Frontier

View Deal

Deal found 5/11/22

Cheap Frontier flights from Chicago to Denver

May 18 - May 24
MDW

Chicago Midway

DEN

Denver Intl

Nonstop

2h 37m
DEN

Denver Intl

MDW

Chicago Midway

Nonstop

2h 19m
$140

Frontier

View Deal

Deal found 5/10/22

May 21 - May 23
MDW

Chicago Midway

DEN

Denver Intl

Nonstop

2h 37m
DEN

Denver Intl

MDW

Chicago Midway

Nonstop

2h 19m
$168

Frontier

View Deal

Deal found 5/9/22

May 19 - May 25
MDW

Chicago Midway

DEN

Denver Intl

Nonstop

2h 37m
DEN

Denver Intl

MDW

Chicago Midway

Nonstop

2h 19m
$185

Frontier

View Deal

Deal found 5/11/22

  • One of the most popular airlines traveling from Chicago to Denver is Frontier. Flights from Frontier traveling this route typically cost $193.05 RT. This price is typically 73% cheaper than other airlines that offer Chicago to Denver flights. When booking this route, the cheapest RT price found was $78. Chicago O'Hare Intl Airport is the most common Chicago airport to take off from when flying to Denver. Denver Intl Airport is the most popular arrival airport in Denver. When flying from Chicago to Denver, Frontier flights are 38% more popular than any other airline flying that same route.

Cheap Denver Air Connection flights from Chicago to Denver

Sep 7 - Sep 11
ORD

Chicago O'Hare Intl

DEN

Denver Intl

1 stop

4h 30m
DEN

Denver Intl

ORD

Chicago O'Hare Intl

1 stop

17h 45m
$231

Denver Air Connection

View Deal

Deal found 5/9/22

Sep 28 - Oct 12
ORD

Chicago O'Hare Intl

DEN

Denver Intl

1 stop

4h 30m
DEN

Denver Intl

ORD

Chicago O'Hare Intl

1 stop

17h 45m
$237

Denver Air Connection

View Deal

Deal found 5/9/22

Oct 6 - Oct 9
ORD

Chicago O'Hare Intl

DEN

Denver Intl

1 stop

4h 30m
DEN

Denver Intl

ORD

Chicago O'Hare Intl

1 stop

17h 45m
$239

Denver Air Connection

View Deal

Deal found 5/10/22

  • If you’re traveling from Chicago to Denver, one of the more common airlines traveling that route is Denver Air Connection. Chicago to Denver flights are typically 60% cheaper than other airlines traveling the same route. Flights from Denver Air Connection typically cost $382.27 RT. The cheapest Denver Air Connection flight found for this route was $231. Chicago O'Hare Intl Airport is the most common Chicago airport to take off from when flying to Denver. Denver Intl Airport is the most popular arrival airport in Denver. When flying from Chicago to Denver, Denver Air Connection flights are 38% more popular than any other airline flying that same route.

Non-stop flights to Denver from Chicago

Save time with Chicago to Denver direct flight deals
May 24 - Jun 7
MDW

Chicago Midway

DEN

Denver Intl

Nonstop

2h 37m
DEN

Denver Intl

MDW

Chicago Midway

Nonstop

2h 19m
$194

Frontier

View Deal

Deal found 5/10/22

Aug 27 - Sep 3
ORD

Chicago O'Hare Intl

DEN

Denver Intl

Nonstop

2h 39m
DEN

Denver Intl

ORD

Chicago O'Hare Intl

Nonstop

2h 35m
$218

United Airlines

View Deal

Deal found 5/11/22

Oct 7 - Oct 11
MDW

Chicago Midway

DEN

Denver Intl

Nonstop

2h 51m
DEN

Denver Intl

MDW

Chicago Midway

Nonstop

2h 33m
$241

Frontier

View Deal

Deal found 5/9/22

Last minute flights from Chicago to Denver

Late deals on return flights to Denver from Chicago, departing today and this week
May 18 - May 24
MDW

Chicago Midway

DEN

Denver Intl

Nonstop

2h 37m
DEN

Denver Intl

MDW

Chicago Midway

Nonstop

2h 19m
$140

Frontier

View Deal

Deal found 5/10/22

May 21 - May 23
MDW

Chicago Midway

DEN

Denver Intl

Nonstop

2h 37m
DEN

Denver Intl

MDW

Chicago Midway

Nonstop

2h 19m
$168

Frontier

View Deal

Deal found 5/9/22

May 19 - May 25
MDW

Chicago Midway

DEN

Denver Intl

Nonstop

2h 37m
DEN

Denver Intl

MDW

Chicago Midway

Nonstop

2h 19m
$185

Frontier

View Deal

Deal found 5/11/22

One-way flights to Denver Intl from Chicago

The cheapest one-way flights from Chicago to Denver
May 24
MDW

Chicago Midway

DEN

Denver Intl

Nonstop

2h 37m
$75

Frontier

View Deal

Deal found 5/10/22

May 18
MDW

Chicago Midway

DEN

Denver Intl

Nonstop

2h 37m
$77

Frontier

View Deal

Deal found 5/10/22

May 21
MDW

Chicago Midway

DEN

Denver Intl

Nonstop

2h 37m
$94

Frontier

View Deal

Deal found 5/9/22

Related info for your journey

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

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

Denver Intl (DEN), located 18.5 mi from the city center, is the airport you fly into when you book flights from Chicago to Denver. 11 airlines have flights to Denver Intl from Chicago on a regular basis. Booking flights from Chicago to Denver Intl should not be difficult; the airport handles an average of 56 inbound flights from Chicago per day.

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

Some of the carriers operating flights from Chicago to Denver Intl that may be offering flexible cancellation policies are United Airlines, Frontier, and American Airlines. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

Can I find flights from Chicago to Denver for under $200 on Cheapflights?

Yes, there are multiple flights from Chicago to Denver for under $200. The cheapest flight booked recently is on Frontier for just $194, but on average you can expect to pay $230.

Are there nonstop flights from Chicago to Denver for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Chicago to Denver under $200. A good price for a nonstop flight from Chicago to Denver is less than $260.

Are there last-minute flights available from Chicago to Denver for under $200?

There are currently 20+ open flights from Chicago to Denver within the next 7 days for less than $200.

What days are nonstop flights available from Chicago to Denver?

Nonstop flights are available for this route on the following days: Sunday, Monday, Tuesday, Thursday, Friday, Saturday.

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

21 flight departures from Chicago to Denver per day on average.
Early Morning (Midnight to 6am) - 14% of flight departures
Morning (6am - Noon) - 38% of flight departures
Afternoon (Noon - 6pm) - 19% of flight departures
Evening (6pm - Midnight) - 29% of flight departures

How long is the flight from Chicago to Denver?

A quick flight from Chicago to Denver can take about 2h 37m. Frontier provides one of the quickest options available for as low as $194. There are 891 mi between Chicago and Denver. Both multi-stop and nonstop flights can be found to your destination and back.

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

Frontier, at $194, was found to be the cheapest airline from Chicago to Denver.Alternate airlines to your destination round-trip include Allegiant Air and United Airlines.

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

One-way options have recently been found by users for as low as $75 on Frontier. Other airlines that offer cheap prices include Spirit Airlines from $107 and Delta from $108 one-way.

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

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

What are the most reliable airlines from Chicago to Denver?

The top 3 most reliable airlines when flying from Chicago to Denver are Qatar Airways (92%), LOT (87%) and Japan Airlines (86%).

What are the cheapest flights from Chicago to Denver?

Looking at all options, your cheapest flight can be booked for $36. While the most popular route (Chicago O'Hare Intl - Denver Intl) can be booked for $215 on average our data indicates $443 when flying from Chicago to Denver.

Alternative routes for Chicago to Denver

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

Top 5 airlines flying from Chicago to Denver

The chart below displays the airlines Cheapflights users traveling from Chicago to Denver choose most often. Cheapest and average prices are based on aggregated data from the past 12 months.
AirlineCheapestAverageFlexibilityOn-timeCOVID-19 safety
Juneyao AirlinesCheapest$14Average$19FlexibilityNo cancel feeOn-time66%COVID-19 safety
Search Juneyao Airlines flights
Spirit AirlinesCheapest$27Average$128FlexibilityNo cancel feeOn-time65%COVID-19 safety
Search Spirit Airlines flights
FrontierCheapest$50Average$175FlexibilityNo cancel feeOn-time62%COVID-19 safety
Search Frontier flights
DeltaCheapest$67Average$262FlexibilityNo cancel feeOn-timeN/ACOVID-19 safety
Search Delta flights
American AirlinesCheapest$78Average$217FlexibilityNo cancel feeOn-time71%COVID-19 safety
Search American Airlines flights

Hourly flight availability from Chicago to Denver

See what time of day planes typically take off from Chicago to Denver
9%of flight departuresEarly morningMidnight to 6 am
32%of flight departuresMorning6 am to noon
29%of flight departuresAfternoonNoon to 6 pm
30%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Chicago to Denver

See how many times per day planes take to the skies headed from Chicago to Denver
Sunday46daily flights
Monday74daily flights
Tuesday65daily flights
Wednesday67daily flights
Thursday61daily flights
Friday63daily flights
Saturday22daily flights