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$323+ Cheap flights from Champaign to Denver (CMI - DEN)

This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
CMI — DEN
Jul 21 — Jul 281
Tue 7/21
Tue 7/28
1 adult, Economy
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Cheap 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 June 21, 2026.

This American Airlines deal was found by Cheapflights users on 6/20. 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 10/1711:34 am
CMI
-
DEN
1 stop6h 04m
American Airlines
Tue 10/207:20 am
DEN
-
CMI
1 stop5h 59m
American Airlines
Deal found 6/20$323
This American Airlines deal was found by Cheapflights users on 6/20. 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.
Tue 6/236:43 pm
CMI
-
DEN
1 stop6h 34m
American Airlines
Sat 6/276:22 am
DEN
-
CMI
1 stop6h 53m
American Airlines
Deal found 6/20$342
This American Airlines deal was found by Cheapflights users on 6/20. 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.
Wed 9/167:05 am
CMI
-
DEN
1 stop8h 16m
American Airlines
Sun 9/206:26 am
DEN
-
CMI
1 stop6h 45m
American Airlines
Deal found 6/20$345
This United Airlines deal was found by Cheapflights users on 6/16. 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 United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/149:49 am
CMI
-
DEN
1 stop5h 34m
United Airlines
Wed 11/187:32 am
DEN
-
CMI
1 stop4h 18m
United Airlines
Deal found 6/16$350
This American Airlines deal was found by Cheapflights users on 6/19. 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.
Fri 10/21:23 pm
CMI
-
DEN
2 stops9h 40m
American Airlines
Tue 10/65:30 am
DEN
-
CMI
2 stops11h 10m
American Airlines
Deal found 6/19$392
This American Airlines deal was found by Cheapflights users on 6/17. 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 8/86:36 pm
CMI
-
DEN
1 stop6h 23m
American Airlines
Sun 8/97:20 am
DEN
-
CMI
1 stop5h 55m
American Airlines
Deal found 6/17$400
This American Airlines deal was found by Cheapflights users on 6/19. 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.
Sun 8/306:05 am
CMI
-
DEN
2 stops10h 24m
American Airlines
Sat 9/58:29 am
DEN
-
CMI
2 stops8h 37m
American Airlines
Deal found 6/19$411
This American Airlines deal was found by Cheapflights users on 6/20. 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.
Fri 7/312:46 pm
CMI
-
DEN
1 stop7h 46m
American Airlines
Mon 8/37:22 am
DEN
-
CMI
1 stop5h 54m
American Airlines
Deal found 6/20$420
This American Airlines deal was found by Cheapflights users on 6/19. 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.
Mon 8/3111:41 am
CMI
-
DEN
1 stop6h 12m
American Airlines
Sun 9/65:06 am
DEN
-
CMI
2 stops10h 16m
American Airlines
Deal found 6/19$426

Find 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 June 21, 2026.

Most accurate provider

FlightHub
3 stars

Most trusted provider

FlightHub
3 stars

Round-trip from

$323
(American Airlines)

Popular in

July

Cheapest in

May

Average price

$453
Provider with most accurate pricing for Champaign University-Willard-Denver Intl flight deals.
Search Deals
Provider most trusted by Cheapflights users for Champaign University-Willard-Denver Intl flights.
Search Deals
From Champaign University-Willard to Denver Intl
Search Deals
Highest demand for flights based on searches. 18% potential increase in price ($120 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 6% potential price decrease ($36 potential savings vs. average RT price).
Search Deals
Average for round-trip flights in June 2026
Search Deals

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 June 21, 2026.
Use the filters below to find and compare flights from Champaign to Denver that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Cheapest round-trip

ChampaignDenver

CMI - DEN

CMIDEN

Champaign University-Willard

Wed 7/15

6:36 pm-12:17 am

1 stop6h 41m

Denver Intl

Sat 7/18

6:20 am-2:16 pm

1 stop6h 56m

$342

ChampaignDenver

CMI - DEN

CMIDEN

Champaign University-Willard

Fri 10/2

6:41 pm-12:17 am

1 stop6h 36m

Denver Intl

Tue 10/6

7:20 am-2:19 pm

1 stop5h 59m

$345

ChampaignDenver

CMI - DEN

CMIDEN

Champaign University-Willard

Sat 8/8

6:36 pm-11:59 pm

1 stop6h 23m

Denver Intl

Mon 8/10

5:03 am-2:15 pm

1 stop8h 12m

$345

ChampaignDenver

CMI - DEN

CMIDEN

Champaign University-Willard

Sat 11/14

8:00 am-2:23 pm

1 stop7h 23m

Denver Intl

Tue 11/17

6:15 am-12:50 pm

1 stop5h 35m

$350
Quickest round-trip

ChampaignDenver

CMI - DEN

CMIDEN

Champaign University-Willard

Sat 11/14

9:49 am-2:23 pm

1 stop5h 34m

Denver Intl

Wed 11/18

7:32 am-12:50 pm

1 stop4h 18m

$350

ChampaignDenver

CMI - DEN

CMIDEN

Champaign University-Willard

Sat 8/8

6:36 pm-11:59 pm

1 stop6h 23m

Denver Intl

Sun 8/9

7:20 am-2:15 pm

1 stop5h 55m

$400

ChampaignDenver

CMI - DEN

CMIDEN

Champaign University-Willard

Thu 8/27

6:00 am-3:29 pm

2 stops10h 29m

Denver Intl

Sun 8/30

7:20 am-2:15 pm

1 stop5h 55m

$426
Cheapest one-way
Quickest one-way

ChampaignDenver

CMI - DEN

CMIDEN

Champaign University-Willard

Thu 7/30

11:37 am-5:00 pm

1 stop6h 23m

$600

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/19

Sorted by cheapest first

Compare providers for flights from Champaign to Denver

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Champaign to Denver in June.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy1 starTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Champaign-Denver flights, users find the pricing of FlightHub to be most consistent on Cheapflights vs. FlightHub Users can find the same prices on Champaign-Denver flight deals on Cheapflights vs. FlightHub >95% of the time. Price accuracy is based on data collected from Champaign-Denver flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Champaign-Denver flights, Cheapflights users trust FlightHub the most. FlightHub has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Champaign-Denver flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

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.

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 June 21, 2026.
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
7.1
Good
11,723 reviews

Food

6.4

Overall

7.1

Boarding

7.5

Entertainment

6.8

Comfort

7.2

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DFW - BDL

They keep changing the gate, delaying the hours and then finally canceled it. No accomodation, no food, nothing!
American Airlines
7.1
Good
11,723 reviews
American Airlines
7.1
Good
11,723 reviews

Food

6.4

Overall

7.1

Boarding

7.5

Entertainment

6.8

Comfort

7.2

Crew

7.9

Reviews

1 / 20
2.0
Mediocre

Anonymous,Apr 2026

DFW - BDL

They keep changing the gate, delaying the hours and then finally canceled it. No accomodation, no food, nothing!

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 and United Airlines fly from Champaign to Denver in about 6h 41m. The time it takes to get you to your destination can typically vary by up to 42m. Airlines will cover a distance of 867 mi. This flight may include one or multiple stops.

  • 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 $343. American Airlines is currently priced 37% 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.

See more FAQs

Traveling to a place near Denver?

Book flights to Denver if you plan to visit one of these locations
Thornton
Black Hawk
Centennial
Westminster
Lakewood
Broomfield
Golden
Greeley
Fort Morgan
Lone Tree
Wheat Ridge
Silverthorne
Central City
Cripple Creek
Winter Park
Manitou Springs
Frisco
Englewood
Glendale
Evergreen

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.

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 June 21, 2026.
AirlineCheapestAverageFlexibilityOn-time
American AirlinesCheapest$343Average$533FlexibilityNo cancel feeOn-time71%

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