Cheap flights from Chicago to Denver
Choose between Southwest Airlines, United Airlines, or Frontier Airlines to find the best price
Why travel with Kiwi.com?
Customer support
We’ve got you covered if anything goes wrong.
Secure payment
Join millions of travelers booking with us.
Hundreds of carriers
Compare 600+ of carriers in one search to find the best deal.
Cheap one-way trips starting from £19 from Chicago CHI to Denver DEN
O Hare International
Denver International
One-way,
From £19
O Hare International
Denver International
One-way,
From £19
O Hare International
Denver International
One-way,
From £19
O Hare International
Denver International
One-way,
From £19
O Hare International
Denver International
One-way,
From £19
O Hare International
Denver International
One-way,
From £19
Cheap round trips starting from £34 from Chicago CHI to Denver DEN
O Hare International
Denver International
Round trip, -
From £34
O Hare International
Denver International
Round trip, -
From £34
O Hare International
Denver International
Round trip, -
From £34
O Hare International
Denver International
Round trip, -
From £34
O Hare International
Denver International
Round trip, -
From £34
O Hare International
Denver International
Round trip, -
From £34
Travelers usually depart from O Hare International, Chicago Midway International, Chicago Rockford International, Chicago Union Station, or Chicago Downtown Greyhound Station when they travel from Chicago to Denver. Book your trip to arrive at Denver International, Denver Union Station, Denver Greyhound station, Denver, CO - Federal Center Station, or Denver, CO - Colorado Park & Ride. The distance between Chicago and Denver is 1427 km. The most popular airlines for this route are Southwest Airlines, United Airlines, Frontier Airlines, American Airlines, and Allegiant Air. Chicago and Denver have 215 direct flights per week.
Weekly flights
| Mondays | Tuesdays | Wednesdays | Thursdays | Fridays | Saturdays | Sundays | |
|---|---|---|---|---|---|---|---|
| Number of flights | 39 | 36 | 38 | 39 | - | 30 | 33 |
Fly direct with
Frontier Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.
American Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.
United Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.
Southwest Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.
Check-in for a flight from Chicago to Denver
| Name | Carrier code | IATA Code | Passport needed during booking | Airport check-in closes | Online check-in available |
|---|---|---|---|---|---|
| Southwest Airlines | SWA | WN | No | Unknown | No |
| United Airlines | UAL | UA | Yes | Unknown | No |
| Frontier Airlines | FFT | F9 | No | Unknown | No |
| American Airlines | AAL | AA | Yes | Unknown | No |
| Allegiant Air | AAY | G4 | No | 4 min before flight | No |
Frequently asked questions
How long does it take to travel from Chicago to Denver?
A one-way nonstop (direct) flight between Chicago and Denver takes around 2.7 hours.
What is the flight distance between Chicago and Denver?
The flight distance between Chicago and Denver is 1427 km.
What airlines offer nonstop (direct) flights between Chicago and Denver?
Several carriers operate flights between Chicago and Denver. Airlines offering nonstop (direct) flights include Frontier Airlines, United Airlines, Southwest Airlines, American Airlines.
What are the most popular routes to and from Chicago?
Travelers frequently search for route combinations, such as Chicago and Orlando International, Miami International, McCarran International, Los Angeles International, Fort Lauderdale–Hollywood International, Denver International, Hartsfield–Jackson Atlanta International, Tampa International, Phoenix Sky Harbor International, Dallas/Fort Worth International, George Bush Intercontinental.
What are the most popular routes to and from Denver?
Travelers frequently search for route combinations, such as Denver and Orlando International, McCarran International, Los Angeles International, Phoenix Sky Harbor International, Dallas/Fort Worth International, George Bush Intercontinental, Baltimore–Washington International, Southwest Florida International, Louis Armstrong New Orleans International, Minneapolis–Saint Paul International, San Antonio International.
Which airports are there in Chicago?
Chicago is mainly served by Chicago Midway International. But there are other airports nearby, including Chicago Rockford International, O Hare International.
What airports are near Chicago?
The main airport in Chicago is Chicago Midway International. It is also served by Gerald R. Ford International, General Mitchell International, Dane County Regional, Fort Wayne International, General Wayne A. Downing Peoria International, Quad City International, Central Illinois Regional, South Bend International, University of Illinois Willard, Kalamazoo/Battle Creek International.
What airports are near Denver?
The main airport in Denver is Denver International. It is also served by Colorado Springs, Cheyenne Regional, Pueblo Memorial, Eagle County Regional, Laramie Regional.
What buses and trains depart from Chicago?
A number of bus and train companies depart from Chicago, including Hoosier ride, Amtrak train, Greyhound.
Is it possible to combine flights, buses, and trains in one itinerary when traveling between Chicago and Denver?
What is Virtual Interlining and how do I use it?
Which airlines fly between Chicago and Denver?
When's the best time to travel between Chicago and Denver?
What flights operate between Chicago and Denver?
How many airports are there near Chicago?
How many airports are there near Denver?
Is it possible to reach Chicago by bus or train?
What time do nonstop (direct) flights between Chicago and Denver depart?
What time do nonstop (direct) flights between Chicago and Denver arrive?
What time do flights between Chicago and Denver depart?
What time do flights between Chicago and Denver arrive?
Planning a trip? Thanks to our Virtual Interlining algorithm, we offer billions of route combinations between any A and any B in the world by plane, train, and bus. Find the cheapest routes and best deals for you, as well as the best dates on which to travel.
Explore alternative destinations
Flights from Chicago
- Flights from Chicago to Orlando International
- Flights from Chicago to Miami International
- Flights from Chicago to McCarran International
- Flights from Chicago to Los Angeles International
- Flights from Chicago to Fort Lauderdale–Hollywood International
- Flights from Chicago to Denver International
- Flights from Chicago to Hartsfield–Jackson Atlanta International
- Flights from Chicago to Tampa International
- Flights from Chicago to Phoenix Sky Harbor International
- Flights from Chicago to Dallas/Fort Worth International
- Flights from Chicago to George Bush Intercontinental
Flights to Denver
- Flights from Orlando International to Denver
- Flights from McCarran International to Denver
- Flights from Los Angeles International to Denver
- Flights from Phoenix Sky Harbor International to Denver
- Flights from Dallas/Fort Worth International to Denver
- Flights from George Bush Intercontinental to Denver
- Flights from Baltimore–Washington International to Denver
- Flights from Southwest Florida International to Denver
- Flights from Louis Armstrong New Orleans International to Denver
- Flights from Minneapolis–Saint Paul International to Denver
- Flights from San Antonio International to Denver
Find the best connection from Chicago to Denver
Search, compare, and book flights, trains, or buses to get there.
Search flights, trains & buses