HomeSearch by dateVacation packagesHotelsFlight dealsCar rentalTravel tips & news
Denver

$340+ Cheap flights from Champaign to Denver (CMI - DEN)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 9/27. Fares are subject to change and may not be available on all flights or dates of travel.
CMI — DEN
Oct 15 — Oct 221
Wed 10/15
Wed 10/22
1 adult, Economy
We work with more than 300 partners to bring you better travel deals

Find cheap flights from Champaign to Denver with Cheapflights

1. Tell us where you want to go

Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”

2. Select your favorite providers

We find the providers serving your travel needs. Choose up to four travel providers to compare side-by-side for flights, hotels, or car rentals.

3. Compare prices and book

Review each provider’s pricing and select the best option for you! Book through your favorite provider’s website for a seamless experience.

Cheap flight deals from Champaign to Denver

Discover tips and strategies to find the most affordable flight options for your journey from Champaign (CMI) to Denver (DEN). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated September 15, 2025.

Round-trip from

$463
(American Airlines)

One-way from

$340
(American Airlines)

Popular in

December

Cheapest in

May

Average price

$544
From Champaign University-Willard to Denver Intl
Search Deals
One-way flight from Champaign University-Willard to Denver Intl
Search Deals
Highest demand for flights based on searches. 19% potential increase in price ($130 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 5% potential price decrease ($26 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in September 2025
Search Deals

Find flight deals from Champaign to Denver

Cheapest flights from Champaign to Denver
Explore the most affordable flight options available from Champaign to Denver. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 15, 2025.

This American Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/206:00 amCMI - DEN
1 stop6h 51mAmerican Airlines
Tue 9/307:20 amDEN - CMI
1 stop6h 39mAmerican Airlines
Deal found 9/12$500
This American Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 9/186:00 amCMI - DEN
1 stop6h 51mAmerican Airlines
Mon 9/2212:32 pmDEN - CMI
1 stop5h 54mAmerican Airlines
Deal found 9/13$582

Cheapflights Fare Finder

 
Customize your flight search to find flights from Champaign to Denver that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
Use the filters below to find and compare flights from Champaign to Denver that are best for you.

Fly from

Champaign

Fly to

Denver

Route

Depart

Return

Price

ChampaignDenver

CMI - DEN

CMIDEN

Champaign University-Willard

Tue 10/28

11:13 am-8:27 pm

1 stop10h 14m

Denver Intl

Mon 11/3

5:44 pm-10:49 am

1 stop16h 05m

$463

ChampaignDenver

CMI - DEN

CMIDEN

Champaign University-Willard

Sat 9/27

11:17 am-4:47 pm

1 stop6h 30m

$340

ChampaignDenver

CMI - DEN

CMIDEN

Champaign University-Willard

Wed 10/1

7:12 am-11:40 am

1 stop5h 28m

$340

ChampaignDenver

CMI - DEN

CMIDEN

Champaign University-Willard

Tue 9/30

3:32 pm-10:09 pm

1 stop7h 37m

$340

ChampaignDenver

CMI - DEN

CMIDEN

Champaign University-Willard

Fri 9/26

3:32 pm-7:47 pm

1 stop5h 15m

$411

ChampaignDenver

CMI - DEN

CMIDEN

Champaign University-Willard

Mon 9/29

11:17 am-4:47 pm

1 stop6h 30m

$411

ChampaignDenver

CMI - DEN

CMIDEN

Champaign University-Willard

Sun 9/28

7:56 pm-7:47 pm

2 stops24h 51m

$568

ChampaignDenver

CMI - DEN

CMIDEN

Champaign University-Willard

Thu 10/2

11:17 am-11:29 am

2 stops25h 12m

$580

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/14

Best time to book a flight from Champaign to Denver

Have a flexible travel schedule? Discover the best time to fly to Denver from Champaign with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Champaign to Denver

What is the cheapest month to book a flight from Champaign to Denver?

Currently, October is the cheapest month in which you can book a flight from Champaign to Denver (average of $197). Flying from Champaign to Denver in March is currently the most expensive (average of $278). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

Reviews of airlines servicing Denver

Get insights into the airlines that provide service to Denver. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Denver. Reviews last updated September 15, 2025.
See what other customers who have flown with American Airlines from Champaign to Denver have to say. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Boarding

7.5

Crew

8.0

Food

6.4

Comfort

7.2

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac
American Airlines
7.2
Good
10,000 reviews
American Airlines
7.2
Good
10,000 reviews

Entertainment

6.9

Boarding

7.5

Crew

8.0

Food

6.4

Comfort

7.2

Overall

7.2

Reviews

1 / 20
2.0
Mediocre

Jeremy,Sep 2025

SAN - PHL

Terrible. Bad customer service and unacceptable delay on the tarmac

Related info for your journey

Find useful and relevant information for your journey from Champaign to Denver. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • How long is the flight from Champaign to Denver?

    Airlines like American Airlines fly from Champaign to Denver in about 10h 14m. The time it takes to get you to your destination can typically vary by up to . Airlines will cover a distance of 867 mi.

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

    Cheapflights users have booked flights from Champaign to Denver round-trip from $349. American Airlines is currently priced 33% below the average price you’ll pay for this route.

  • Can I find deals for flights from Champaign to Denver that include hotel bookings?

    Yes. In addition to deals on Champaign to Denver flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Champaign to Denver?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Champaign to Denver.

  • Can I find deals for business class flights from Champaign to Denver?

    Yes. Cheapflights offers flight deals from Champaign to Denver by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Champaign to Denver?

    Currently, October is the cheapest month in which you can book a flight from Champaign to Denver (average of $197). Flying from Champaign to Denver in March is currently the most expensive (average of $278). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Black Hawk
Westminster
Golden
Winter Park
Lakewood
Broomfield
Greeley
Lone Tree
Cripple Creek
Thornton
Silverthorne
Manitou Springs
Fort Morgan
Glendale
Wheat Ridge
Brighton
Longmont
Idaho Springs
Parker
Sterling

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Alternative routes for Champaign to Denver

See prices for flight routes from nearby airports that may be better suited for you.
O'Hare Intl to Denver flights
Midway to Denver flights
St. Louis to Denver flights
O'Hare Intl to Colorado Springs flights
Moline to Denver flights
O'Hare Intl to Vail flights
O'Hare Intl to Hayden flights
O'Hare Intl to Aspen flights
Peoria to Denver flights
O'Hare Intl to Montrose flights
O'Hare Intl to Grand Junction flights
Midway to Colorado Springs flights
St. Louis to Colorado Springs flights
Bloomington to Denver flights
St. Louis to Grand Junction flights
O'Hare Intl to Gunnison flights
Evansville to Denver flights
Midway to Aspen flights
Midway to Grand Junction flights
St. Louis to Vail flights
O'Hare Intl to Durango flights
St. Louis to Montrose flights
Springfield to Denver flights
St. Louis to Aspen flights
St. Louis to Durango flights
Peoria to Colorado Springs flights
Moline to Colorado Springs flights
Decatur to Denver flights
Moline to Grand Junction flights
St. Louis to Gunnison flights
Peoria to Grand Junction flights
St. Louis to Hayden flights
Bloomington to Colorado Springs flights
Dubuque to Denver flights
Moline to Vail flights
Springfield to Colorado Springs flights
Evansville to Colorado Springs flights
Paducah to Colorado Springs flights
Peoria to Montrose flights
Paducah to Denver flights
O'Hare Intl to Cortez flights
Evansville to Vail flights
Champaign to Colorado Springs flights
Bloomington to Montrose flights
Marion to Denver flights
Moline to Montrose flights
Evansville to Grand Junction flights

Top airline flying from Champaign to Denver

Discover the top airline that operate flights from Champaign to Denver. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated September 15, 2025.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$349Average$535FlexibilityNo cancel feeOn-time71%

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.