Cheap flights from Chicago to Denver

Choose between Southwest Airlines, United Airlines, or Frontier Airlines to find the best price

Travelers usually depart from O Hare International, Chicago Midway International, Chicago Rockford International, Chicago Downtown Greyhound Station, or Chicago - Cabrini St Parking when they travel from Chicago to Denver. Book your trip to arrive at Denver International, Denver Union Station, or Denver Greyhound station. 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 Spirit Airlines. Chicago and Denver have 203 direct flights per week.

Weekly flights

MondaysTuesdaysWednesdaysThursdaysFridaysSaturdaysSundays
Number of flights42253832-3036

Fly direct with

Spirit Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, and Sundays.

Frontier Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

American Airlines on Mondays, Tuesdays, Thursdays, Fridays, and Sundays.

United Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

Southwest Airlines on Mondays, Tuesdays, Wednesdays, Thursdays, Fridays, Saturdays, and Sundays.

Air Canada on Mondays, and Sundays.

Check-in for a flight from Chicago to Denver

NameCarrier codeIATA CodePassport needed during bookingAirport check-in closesOnline check-in available
Southwest AirlinesSWAWNNoUnknownNo
United AirlinesUALUAYesUnknownNo
Frontier AirlinesFFTF9NoUnknownNo
American AirlinesAALAAYesUnknownNo
Spirit AirlinesNKSNKNo10 min before flightNo

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 2.8 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 United Airlines, Air Canada, Frontier Airlines, Spirit 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 Los Angeles International, McCarran International, Miami International, Orlando International, Fort Lauderdale–Hollywood International, Denver International, Dallas/Fort Worth International, Hartsfield–Jackson Atlanta International, Logan International, Tampa International, Minneapolis–Saint Paul International.

What are the most popular routes to and from Denver?

Travelers frequently search for route combinations, such as Denver and Los Angeles International, McCarran International, Newark Liberty International, Fort Lauderdale–Hollywood International, Dallas/Fort Worth International, Phoenix Sky Harbor International, O Hare International, Minneapolis–Saint Paul International, Salt Lake City International, Detroit Metropolitan, St. Louis Lambert International.

Which airports are there in Chicago?

Chicago is mainly served by O Hare International. But there are other airports nearby, including Chicago Midway International, Chicago Rockford International.

What airports are near Chicago?

The main airport in Chicago is O Hare 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, South Bend International, Central Illinois Regional, Quad City International, Kalamazoo/Battle Creek International, Decatur.

What airports are near Denver?

The main airport in Denver is Denver International. It is also served by Colorado Springs, Laramie Regional, Pueblo Memorial, Eagle County Regional, Cheyenne Regional.

What buses and trains depart from Chicago?

A number of bus and train companies depart from Chicago, including 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.

Find the best connection from Chicago to Denver

Search, compare, and book flights, trains, or buses to get there.

Search flights, trains & buses