Cheap flights from Knoxville to Denver

Choose between Delta Air Lines, United Airlines, or American 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.

Travelers usually depart from McGhee Tyson, or Knoxville when they travel from Knoxville 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 Knoxville and Denver is 1868 km. The most popular airlines for this route are Delta Air Lines, United Airlines, American Airlines, Frontier Airlines, and WN. Knoxville and Denver have 188 direct flights per week.

Weekly flights

MondaysTuesdaysWednesdaysThursdaysFridaysSaturdaysSundays
Number of flights33393134-2130

Fly direct with

Frontier Airlines on Thursdays, and Sundays.

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

Check-in for a flight from Knoxville to Denver

NameCarrier codeIATA CodePassport needed during bookingAirport check-in closesOnline check-in available
Delta Air LinesDALDLYesUnknownNo
United AirlinesUALUAYesUnknownNo
American AirlinesAALAAYesUnknownNo
Frontier AirlinesFFTF9NoUnknownNo
WNSWAWNNoUnknownNo

Frequently asked questions

How long does it take to travel from Knoxville to Denver?

A one-way nonstop (direct) flight between Knoxville and Denver takes around 3.4 hours.

What is the flight distance between Knoxville and Denver?

The flight distance between Knoxville and Denver is 1868 km.

What airlines offer nonstop (direct) flights between Knoxville and Denver?

Several carriers operate flights between Knoxville and Denver. Airlines offering nonstop (direct) flights include Frontier Airlines, United Airlines.

What are the most popular routes to and from Knoxville?

Travelers frequently search for route combinations, such as Knoxville and Newark Liberty International, Orlando Sanford International, McCarran International, Fort Lauderdale–Hollywood International, Denver International, San Francisco International, St. Pete–Clearwater International, Phoenix Sky Harbor International, William P. Hobby, Nashville 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 Orlando International, Miami International, Los Angeles International, McCarran International, Phoenix Sky Harbor International, Dallas/Fort Worth International, George Bush Intercontinental, O Hare International, Baltimore–Washington International, Southwest Florida International, Portland International.

What airports are near Knoxville?

The main airport in Knoxville is McGhee Tyson. It is also served by Nashville International, McGhee Tyson, Asheville Regional, Greenville–Spartanburg International, Blue Grass, Chattanooga Metropolitan, Tri-Cities Regional.

What airports are near Denver?

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

What buses and trains depart from Knoxville?

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

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 Knoxville to Denver

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

Search flights, trains & buses