$300+ 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 12/2. Fares are subject to change and may not be available on all flights or dates of travel.
CMI — DEN
Oct 21 — Oct 281
Round-trip
1 adult, Economy
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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
Cheapest
Best
Last-minute
One-way
Cheapest flights from Champaign to DenverExplore 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 21, 2026.
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 21, 2026.
This American Airlines deal was found by Cheapflights users on 9/18. 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 12/212:13 pm -
1 stop6h 07m
Wed 12/96:41 am -
1 stop6h 21m
Deal found 9/18![American Airlines logo]()
$300
This American Airlines deal was found by Cheapflights users on 9/18. 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 11/116:05 am -
2 stops9h 13m
Sat 11/149:07 am -
2 stops8h 11m
Deal found 9/18![American Airlines logo]()
$311
This American Airlines deal was found by Cheapflights users on 9/19. 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.
Sat 10/176:48 pm -
1 stop5h 04m
Tue 10/206:26 am -
1 stop6h 41m
Deal found 9/19![American Airlines logo]()
$336
This American Airlines deal was found by Cheapflights users on 9/18. 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 12/17:01 pm -
1 stop6h 30m
Wed 12/97:33 am -
1 stop5h 29m
Deal found 9/18![American Airlines logo]()
$400
This American Airlines deal was found by Cheapflights users on 9/18. 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 12/17:01 pm -
1 stop6h 30m
Tue 12/87:33 am -
2 stops9h 44m
Deal found 9/18![American Airlines logo]()
$406
This American Airlines deal was found by Cheapflights users on 9/21. 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 10/307:03 pm -
1 stop6h 33m
Sun 11/17:33 am -
1 stop5h 29m
Deal found 9/21![American Airlines logo]()
$450
This American Airlines deal was found by Cheapflights users on 9/21. 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 11/217:01 pm -
1 stop6h 30m
Thu 11/268:20 am -
1 stop5h 32m
Deal found 9/21![American Airlines logo]()
$475
Best flights from Champaign to DenverDiscover carefully curated flight deals from Champaign to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 21, 2026.
Discover carefully curated flight deals from Champaign to Denver that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 21, 2026.
This American Airlines deal was found by Cheapflights users on 9/21. 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 12/27:11 am -
1 stop6h 09m
Wed 12/912:26 pm -
1 stop4h 51m
Deal found 9/21![American Airlines logo]()
$300
This American Airlines deal was found by Cheapflights users on 9/20. 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 11/116:50 pm -
1 stop6h 36m
Sat 11/143:08 pm -
1 stop5h 54m
Deal found 9/20![American Airlines logo]()
$300
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:48 pm -
1 stop5h 04m
Tue 10/206:26 am -
1 stop6h 41m
Deal found 9/16![American Airlines logo]()
$300
Last-minute flights from Champaign to DenverDiscover last-minute flight deals from Champaign to Denver. Data last updated September 21, 2026 and is based on user searches.
Discover last-minute flight deals from Champaign to Denver. Data last updated September 21, 2026 and is based on user searches.
This American Airlines deal was found by Cheapflights users on 9/17. 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.
Fri 10/97:03 pm -
1 stop6h 33m
Mon 10/125:24 am -
1 stop7h 43m
Deal found 9/17![American Airlines logo]()
$560
This American Airlines deal was found by Cheapflights users on 9/18. 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 10/162:37 pm -
1 stop8h 10m
Sun 10/186:26 am -
1 stop14h 37m
Deal found 9/18![American Airlines logo]()
$698
This American Airlines deal was found by Cheapflights users on 9/16. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:48 pm -
1 stop5h 04m
Tue 10/206:26 am -
1 stop6h 41m
Deal found 9/16![American Airlines logo]()
$300
This American Airlines deal was found by Cheapflights users on 9/20. 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.
Sun 10/187:03 pm -
1 stop6h 33m
Sun 10/257:28 am -
1 stop5h 39m
Deal found 9/20![American Airlines logo]()
$505
This American Airlines deal was found by Cheapflights users on 9/21. 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 10/307:03 pm -
1 stop6h 33m
Sun 11/17:33 am -
1 stop5h 29m
Deal found 9/21![American Airlines logo]()
$450
One-way flights from Champaign to DenverSearch for one-way flight options from Champaign to Denver. Find affordable one-way fares based on user searches. Data last updated September 21, 2026.
Search for one-way flight options from Champaign to Denver. Find affordable one-way fares based on user searches. Data last updated September 21, 2026.
This American Airlines deal was found by Cheapflights users on 9/21. 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 11/156:59 pm -
1 stop6h 27m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/21![American Airlines logo]()
$615
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 September 21, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $300 (American Airlines) |
Popular in | October |
Cheapest in | May |
Average price | $485 |
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 7,457,451 searches. Data last updated September 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
Cheapest round-trip
ChampaignDenver
CMI Champaign University-Willard - DEN Denver Intl
CMIDEN
Champaign University-Willard
Wed 12/2
7:11 am-12:20 pm
1 stop6h 09m
Denver Intl
Wed 12/9
12:26 pm-6:17 pm
1 stop4h 51m
$300
ChampaignDenver
CMI Champaign University-Willard - DEN Denver Intl
CMIDEN
Champaign University-Willard
Wed 11/11
6:50 pm-12:26 am
1 stop6h 36m
Denver Intl
Sat 11/14
3:08 pm-10:02 pm
1 stop5h 54m
$300
ChampaignDenver
CMI Champaign University-Willard - DEN Denver Intl
CMIDEN
Champaign University-Willard
Sat 10/17
6:48 pm-10:52 pm
1 stop5h 04m
Denver Intl
Tue 10/20
6:26 am-2:07 pm
1 stop6h 41m
$300
Quickest round-trip
ChampaignDenver
CMI Champaign University-Willard - DEN Denver Intl
CMIDEN
Champaign University-Willard
Sun 11/15
6:59 pm-12:26 am
1 stop6h 27m
Denver Intl
Wed 12/31
12:00 am-1:00 am
Nonstop0h 00m
$615
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 September.
| Provider | Price Accuracy | Trust Score* |
|---|---|---|
| Price Accuracy1 star | Trust Score*3 stars | |
| Price Accuracy3 stars | Trust Score*3 stars |
- 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.
CMI-DEN
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
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 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.
Comfort
7.2
Food
6.4
Boarding
7.4
Overall
7.0
Crew
7.9
Entertainment
6.8
Reviews
1 / 20
4.0
OkayElizabeth,Mar 2026
ORD - MIA
Comfort
7.2
Food
6.4
Boarding
7.4
Overall
7.0
Crew
7.9
Entertainment
6.8
Reviews
1 / 20
4.0
OkayElizabeth,Mar 2026
ORD - MIA
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.
Traveling to a place near Denver?
Book flights to Denver if you plan to visit one of these locationsThornton
Westminster
Lakewood
Centennial
Black Hawk
Broomfield
Golden
Wheat Ridge
Silverthorne
Central City
Fort Morgan
Greeley
Cripple Creek
Frisco
Winter Park
Limon
Englewood
Manitou Springs
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.
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Alternative routes for Champaign to Denver
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Complete your trip
Complete your trip to Denver by adding a car rental and/or hotel reservation to your travel itinerary.
Other flights to Denver
Explore flights to Denver departing from other origins. Flights are based on user searches made on Cheapflights and were last updated on September 21, 2026.
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Champaign and Denver flights
Browse other Champaign and Denver flight options. Last updated on September 21, 2026.
Other flights from Champaign
Browse through other flights departing from Champaign. Flights are based on user searches made on Cheapflights and were last updated on September 21, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
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 7,457,451 searches. Data last updated September 21, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$280 | Average$533 | FlexibilityNo cancel fee | On-time71% |