Cheap flights from Denver to Knoxville

Flights overview

Useful information for finding cheap flights from Denver to Knoxville and booking your next trip
Cheapest round-trip flights $142
Allegiant Nonstop 3 hr Thu, Jul 23 — Sun, Jul 26
The cheapest round-trip flight from Denver to Knoxville is currently $142
Cheapest one-way flight $91
Allegiant Nonstop 3 hr Thu, Jul 30
The cheapest one-way flight from Denver to Knoxville is currently $91
Last-minute weekend getaway $358
Frontier Nonstop 3 hr Fri, May 8 — Mon, May 11
The cheapest last-minute weekend getaway from Denver to Knoxville is currently $358
Cheapest business class flights $568
Frontier Nonstop 3 hr Fri, Jun 5 — Mon, Jun 8
The cheapest business class round-trip flight from Denver to Knoxville is currently $568
Fastest flight 2 hr 40 min The fastest nonstop flight from Denver to Knoxville takes 2 hr 40 min
Nonstop flights Every day There are direct flights on this route every day.

When is the cheapest time to fly?

The cheapest month to fly from Denver to Knoxville is typically December. The most expensive month to fly is typically March.
December
Cheapest
Typical prices: $150–485
March
Most expensive
Typical prices: $245–475

Popular airlines from Denver to Knoxville

  • United
    Nonstop
    from $367
    Typical price: $250–530
    14 weekly nonstop flights
    DEN - TYS Every day
    368 weekly connecting flights
    DEN - TYS Every day
  • American
    from $387
    Typical price: $245–520
    354 weekly connecting flights
    DEN - TYS Every day
  • Delta
    from $361
    Typical price: $280–710
    350 weekly connecting flights
    DEN - TYS Every day
  • Southwest
    Nonstop
    from $377
    Typical price: $300–600
    2 weekly nonstop flights
    DEN - TYS Every Sat, Sun
    241 weekly connecting flights
    DEN - TYS Every day
  • Frontier
    Nonstop
    from $208
    Typical price: $150–355
    2 weekly nonstop flights
    DEN - TYS Every Fri, Sun

Popular airports near Denver

  • Denver International Airport (DEN)
    Denver United States 38 min 19 mi
  • Colorado Springs Airport (COS)
    Colorado Springs United States 1 hr 27 min 66 mi
  • Centennial Airport (APA)
    Denver United States 27 min 14 mi
  • Eagle County Regional Airport (EGE)
    Vail United States 2 hr 19 min 103 mi

Popular airports near Knoxville

  • McGhee Tyson Airport (TYS)
    Knoxville United States 21 min 11 mi
  • Nashville International Airport (BNA)
    Nashville United States 2 hr 38 min 154 mi
  • Hartsfield-Jackson Atlanta International Airport (ATL)
    Atlanta United States 3 hr 23 min 163 mi
  • Chattanooga Metropolitan Airport (CHA)
    Chattanooga United States 1 hr 39 min 96 mi

Frequently asked questions about flying from Denver to Knoxville

The cheapest flights from Denver to Knoxville are usually in December. Typical ticket prices in December range from $150 to $485.
The cheapest round-trip flight from Denver to Knoxville recently found on Google Flights was with Allegiant from $142. The cheapest one-way flight was with Allegiant from $91.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest United flight from Denver to Knoxville is $367, flying from Jul 24 to Jul 26.
  • The cheapest American flight from Denver to Knoxville is $387, flying from Jul 10 to Jul 12.
  • The cheapest Delta flight from Denver to Knoxville is $361, flying from May 28 to Jun 1.
  • The cheapest Southwest flight from Denver to Knoxville is $377, flying from Jul 24 to Jul 27.
  • The cheapest Frontier flight from Denver to Knoxville is $208, flying from Jun 12 to Jun 15.
The cheapest round-trip flight from Denver to Knoxville starts at $142 from Thu, Jul 23 to Sun, Jul 26. The cheapest one-way flight starts at $91 and departs on Thu, Jul 30.
2 hr 40 min is the shortest flight time from Denver to Knoxville.
A common time to visit Knoxville is May–Oct, when the weather is warm and relatively dry. Summers (Jun–Aug) are warm to hot, and winters (Dec–Feb) are cool. Rain is possible year-round. The annual Big Ears Music Festival (Mar) features music, film and visual art. The Rhythm N' Blooms Music Festival sees performances in the city's historic district. The Dogwood Arts Festival (Apr) brings arts and crafts booths, live music and food stalls to Market Square.
It's easy to use Google Flights to find the cheapest days to fly from Denver to Knoxville.
Just click the Departure label near the top of the page to open the calendar. Choose a start date and a return date to see how the round-trip fare changes on those specific days.
Adjust the trip type to see one-way fares. The cheapest available flights are highlighted and easy to spot. Once you settle on dates, click the Search button to see flight options and book the deal.

You can also turn on price tracking to get alerts if the price changes for a route or flight.
What counts as the best airline for your flights from Denver to Knoxville really depends on your individual needs. You may have a favorite carrier or a loyalty program you like, but price, convenience, and airports served also come into play. Flexibility and booking terms – Can you change flights if you want to stay longer or get a refund if you have to postpone your trip? – are also factors that help determine which airline is best to fly from Denver to Knoxville.

In terms of nonstop flights, United is the most popular. United offers 14 nonstop flights and 368 connecting flights per week. United flies from Denver International Airport (DEN) to McGhee Tyson Airport (TYS) .

Other popular airlines flying from Denver to Knoxville are:
  • American offers 354 connecting flights per week. American flies from Denver International Airport (DEN) to McGhee Tyson Airport (TYS) .
  • Delta offers 350 connecting flights per week. Delta flies from Denver International Airport (DEN) to McGhee Tyson Airport (TYS) .
  • Southwest offers 2 nonstop flights and 241 connecting flights per week. Southwest flies from Denver International Airport (DEN) to McGhee Tyson Airport (TYS) .
  • Frontier offers 2 nonstop flights per week. Frontier flies from Denver International Airport (DEN) to McGhee Tyson Airport (TYS) .
The number of connecting flights refers to distinct flights with at least one stop between Denver and Knoxville.
The cheapest round-trip flight from Denver to Knoxville recently found on Google Flights was with Allegiant from $142. The cheapest one-way flight was with Allegiant from $91.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest United flight from Denver to Knoxville is $367, flying from Jul 24 to Jul 26.
  • The cheapest American flight from Denver to Knoxville is $387, flying from Jul 10 to Jul 12.
  • The cheapest Delta flight from Denver to Knoxville is $361, flying from May 28 to Jun 1.
  • The cheapest Southwest flight from Denver to Knoxville is $377, flying from Jul 24 to Jul 27.
  • The cheapest Frontier flight from Denver to Knoxville is $208, flying from Jun 12 to Jun 15.
United, Southwest and Frontier fly direct from Denver to Knoxville.
  • There are 14 United direct flights from Denver to Knoxville per week. Flights are available every day.
  • There are 2 Southwest direct flights from Denver to Knoxville per week. Flights are available on Saturday and Sunday.
  • There are 2 Frontier direct flights from Denver to Knoxville per week. Flights are available on Friday and Sunday.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
The cheapest last-minute deal between Denver and Knoxville at price $358 is offered by Frontier from Fri, May 8 to Mon, May 11.
United, Southwest and Frontier fly direct from Denver to Knoxville.
  • There are 14 United direct flights from Denver to Knoxville per week. Flights are available every day.
  • There are 2 Southwest direct flights from Denver to Knoxville per week. Flights are available on Saturday and Sunday.
  • There are 2 Frontier direct flights from Denver to Knoxville per week. Flights are available on Friday and Sunday.
Use the Stops filter while searching for flights, to see only nonstop options in your results.
There are direct flights from Denver to Knoxville on a daily basis.
The cheapest direct (nonstop) round-trip flights between Denver and Knoxville start at $142 from Thu, Jul 23 to Sun, Jul 26 with Allegiant.
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Denver to Knoxville, just select the nonstop flights only option in the 'Stops’ filter in the search form and view all available direct flights and their prices.
The cheapest business class round-trip flights between Denver and Knoxville start at $568 from Fri, Jun 5 to Mon, Jun 8 with Frontier.
The cheapest economy class round-trip flights between Denver and Knoxville start at $142 from Thu, Jul 23 to Sun, Jul 26.
To book business class trips from Denver to Knoxville, look for the default Economy selection at the top, and change it to your desired cabin class such as Premium Economy, Business Class, or First Class. You can then select your departure and arrival dates, consider available options, and book your business travel.

You can also adjust the trip type to view one-way fares.
The best last-minute getaway deal for the next weekend between Denver and Knoxville starts at $358 from Fri, May 8 to Mon, May 11 with Frontier.
The cheapest last-minute deal between Denver and Knoxville at price $358 is offered by Frontier from Fri, May 8 to Mon, May 11.
To find last-minute flight deals from Denver to Knoxville, start by entering the city names, select the desired departure and return dates, and hit the Search button to view flight options.

You can check for last-minute flights for the same day or adjust the trip type to see one-way fares.

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