Cheap flights from Chicago to Denver (CHI - DEN)

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

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

All the information you need to plan the best CHI to DEN flight in 2021: compare Chicago to Denver flight prices with the expected peak season, weather and rainfall in Denver.
CHI - DEN
Price
$74 - $203
DEN
Temperature
44.6 - 89.6 °F
DEN
Rainfall
0.5 - 2.7 inches

Popular in

December

High demand for flights, 30% potential price rise

Cheapest in

August

Best time to find cheap flights, 48% potential price drop

Round-trip from

$74

From Chicago to Denver

One-way from

$65

One-way flight from Chicago to Denver

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 Chicago to Denver?

Flights from Chicago to Denver are found to be more expensive on Thursday. 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 Denver.

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

Travelers have found it’s best to book a flight 14 days in advance to save up to 12% compared to booking the same week of travel. As your travel date approaches, the cost of this flight route may potentially increase. While opting to book 14 days out may not be an option for all, there are still additional ways to secure a deal in the near future. You might find a flight from Chicago to Denver 1-2 weeks in advance for as low as $88, or $106 for flights within the next 24 hours.

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

August is one of the best times of the year to fly to Denver from Chicago. Prices for August average $98 per person but you can even find prices for as low as $36. The most expensive prices can be found in the month of December. Opting for a August flight can save you 38% on your journey compared to booking in August

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

One of the essential ways to save on airfare from Chicago to Denver is to remain as flexible as possible. Flights that are at noon tend to be the most expensive. A flight in the evening could potentially save you up to 42% on airfare.

Cheap flights from Chicago to Denver in May, June 2021

The best prices found for CHI to DEN flights for May, June
19 May - 21 May
$73pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
17 May - 19 May
$74pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
17 May - 19 May
$75pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl

Chicago to Denver 2021 flight deals

Cheap flights to Denver from Chicago found for this year
19 May - 21 May
$73pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
17 May - 19 May
$74pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
17 May - 19 May
$75pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl

Non-stop flights to Denver from Chicago

Save time with Chicago to Denver direct flight deals
19 May - 21 May
$73pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
17 May - 19 May
$74pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
17 May - 19 May
$75pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl

Last minute flights from Chicago to Denver

Late deals on round-trip flights to Denver from Chicago, departing today and this week
19 May - 21 May
$73pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
17 May - 19 May
$74pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl
17 May - 19 May
$75pp
ORD
Chicago O'Hare Intl
Frontier
Non-Stop
DEN
Denver Intl
DEN
Denver Intl
Frontier
Non-Stop
ORD
Chicago O'Hare Intl

One-way flights to Denver from Chicago

The cheapest one-way flights from Chicago to Denver
4:30 am - 6:19 am
Frontier
Nonstop
2h 49m
ORD - DEN
Frontier
$65
Kiwi.com
2:59 pm - 7:55 pm
Multiple Airlines
1 Stop
29h 56m
ORD - DEN
Multiple Airlines
$67
Kiwi.com
10:40 am - 12:25 pm
United Airlines
Nonstop
2h 45m
ORD - DEN
United Airlines
$69
United

Related info for your journey

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

Flight FAQs

From Chicago to Denver

Are flight prices decreasing from Chicago to Denver 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 Chicago and Denver 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.

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, Spirit Airlines, and Frontier. Our site will let you filter for all airlines offering greater flexibility due to COVID-19.

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. 8 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 40 inbound flights from Chicago per day.

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

Yes, there are multiple flights from Chicago to Denver for under $100. The cheapest flight booked recently is on Frontier for just $73, but on average you can expect to pay $87.

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

Cheapflights has at least 20 direct flights from Chicago to Denver under $100. A good price for a nonstop flight from Chicago to Denver is less than $86.

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

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

What days are nonstop flights available from Chicago to Denver?

Days when nonstop flights are available for this flight are: Sunday, Monday, Wednesday, Thursday, Friday, Saturday.

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

On average 22 flights depart from Chicago to Denver Intl per day.
Morning (6am - Noon) - 27% of flight departures
Afternoon (Noon - 6pm) - 36% of flight departures
Evening (6pm - Midnight) - 36% of flight departures

Is Chicago weather warmer or cooler than Denver?

We forecast the temperature to be around the 90 °F's in July, on average. The temperature in Denver is generally hotter than in Chicago. Book flights in a timely manner in correlation to your departure date.

How long is the flight from Chicago to Denver?

Airlines like American Airlines, Spirit Airlines, and Frontier fly from Chicago to Denver in about 2h 38m. The time it takes to get you to your destination is usually consistent. Chicago and Denver are separated by a distance of 891 mi. Most flights are nonstop.

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

Frontier, at $73, was found to be the cheapest airline from Chicago to Denver.Alternate airlines to your destination round-trip include Spirit Airlines and American Airlines. You may be able to fly from Chicago to Denver for 48% less than the average price by searching for these airlines.

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

$33 is the cheapest one-way deal found within the past few days, from Frontier. You may also be able to find cheap deals on Spirit Airlines and American Airlines, with prices starting from $40 and $49, respectively.

Alternative routes for Chicago to Denver

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

Destination information for Denver

Things to know before you go - useful duration and weather info for your trip from Chicago to Denver.
Flight duration
2h 41m
Average temperature for May in Denver
73.4 °F
Avg rainfall for May in Denver
1.9 ″

Airports servicing Chicago

Chicago Midway (MDW)
Rockford (RFD)

Airports servicing Denver

Top 6 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.
Airline Cheapest Average Flexibility On-time COVID-19 safety
Spirit Airlines
$53 $155 No cancel fee 65%
Frontier
$39 $160 No cancel fee 62%
United Airlines
$53 $215 No cancel fee 69%
American Airlines
$60 $229 No cancel fee 71%
Delta
$82 $276 No cancel fee N/A
Southwest
$231 $382 No cancel fee 63%

Hourly flight availability from Chicago to Denver

See what time of day planes typically take off from Chicago towards Denver.
Afternoon Noon to 6 PM 48% of CHI to DEN departures
Morning 6 AM to noon 27% of CHI to DEN departures
Evening 6 PM to midnight 20% of CHI to DEN departures
Early morning Midnight to 6 AM 5% of CHI to DEN departures
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.
Sunday
43 daily flights
Monday
51 daily flights
Tuesday
44 daily flights
Wednesday
39 daily flights
Thursday
41 daily flights
Friday
44 daily flights
Saturday
22 daily flights
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