$19 Find Cheap Flights from Chicago to Denver

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Find cheap flights from Chicago to Denver starting at $19.

Book one-way or return flights from Chicago to Denver from as little as $19. Choose from the popular airlines below and book your flight today!

One way
Round-trip

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Searching for the best last minute flight from Chicago to Denver? Find one-way or return flights that are affordable and fit your itinerary.

Trip.com monitors the ticket fares of flights from Chicago to Denver. Stay updated on price trends and snag the best deals for your upcoming trip.

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Find cheap airlines flights from Chicago to Denver

View airlines operating flights from Chicago to Denver. Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines

From $19

Sun Country Airlines

From $49

Spirit Airlines

From $74

Delta Air Lines

From $77

Southwest Airlines

From $80

Alaska Airlines

From $125

United Airlines

From $141

Key Lime Air

From $177

American Airlines

From $309

ANA airlines

Find more flights and airlines

Find cheap flights from Chicago to Denver by different airports

Discover different routes, airlines, and transfers and find the best alternative flights for your journey from Chicago to Denver.

Cheapest
ORD
18:27
2h 55m
Direct
DEN
20:22
O'Hare International Airport - Denver International Airport
Thu, May 2Frontier Airlines
$19
MDW
05:30
2h 46m
Direct
DEN
07:16
Midway International Airport - Denver International Airport
Wed, May 1Frontier Airlines
$87
MDW
05:30
2h 46m
Direct
DEN
07:16
Midway International Airport - Denver International Airport
Wed, May 1Frontier Airlines
$87
Find More Flights

Frequently Asked Questions

When are flight tickets from Chicago (CHI) to Denver (DEN) the cheapest?
Airlines adjust prices for flights from Chicago to Denver based on the departure date and time of your selection. By analyzing data from all airlines, we've discovered that on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
How much do flights from Chicago (CHI) to Denver (DEN) cost?
According to Trip.com's data, the lowest price is around $167.
How long does it take to fly from Chicago (CHI) to Denver (DEN) and what is the distance?
It takes around 3 hours 51 minutes to fly from Chicago (CHI) to Denver (DEN).
What are the most popular airlines that fly from Chicago (CHI) to Denver (DEN)?
Airlines with flights from Chicago (CHI) to Denver (DEN): Southwest Airlines, United Airlines and Air Canada.

How to find a cheap flight from Chicago to Denver

Wait until the last minute and flight costs are often sky-high. Plan ahead, book the right way, and your savings can soar. We have loads of saving tips to help you find a cheap flight from Chicago to Denver. Book your flights at the right time and save more.

Book Early

Once prices are gone, they're gone. Lock in deals while you can!

Compare Flight Prices

Compare prices on travel agency and airline websites.

Look Out for Deals

Check airline and travel agency websites for latest flight deals

Check One-way Fares

Buying two cheap one-way flights can sometimes be a better deal than a round-trip.

Try Different Dates

Flying during the week, early in the morning, or late at night can help save money.

Use the Trip.com App

Save up to £10 per person when booking your flights on Trip.com

Chicago to Denver Flight Information

Cheapest nonstop flight price	$18
Cheapest round-trip ticket price	$36
Off-season for travel	April
Peak season for travel	October
Flight distance	1,446.63km
Average flight time	3 hours 51 minutes
Popular airline	Frontier Airlines