Cheap flights from Knoxville to Denver

Flights overview

Useful information for finding cheap flights from Knoxville to Denver and booking your next trip
Cheapest round-trip flights $161
Frontier Nonstop 4 hr Mon, Jun 8 — Wed, Jun 17
The cheapest round-trip flight from Knoxville to Denver is currently $161
Cheapest one-way flight $84
Frontier Nonstop 4 hr Mon, Jun 8
The cheapest one-way flight from Knoxville to Denver is currently $84
Last-minute weekend getaway $358
Frontier Nonstop 4 hr Fri, May 8 — Mon, May 11
The cheapest last-minute weekend getaway from Knoxville to Denver is currently $358
Cheapest business class flights $497
Frontier Nonstop 4 hr Mon, Jun 1 — Mon, Jun 8
The cheapest business class round-trip flight from Knoxville to Denver is currently $497
Fastest flight 3 hr 11 min The fastest nonstop flight from Knoxville to Denver takes 3 hr 11 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 Knoxville to Denver is typically September. The most expensive month to fly is typically July.
September
Cheapest
Typical prices: $170–265
July
Most expensive
Typical prices: $245–360

Popular airlines from Knoxville to Denver

  • United
    Nonstop
    from $293
    Typical price: $255–510
    14 weekly nonstop flights
    TYS - DEN Every day
    444 weekly connecting flights
    TYS - DEN Every day
  • American
    from $313
    Typical price: $245–510
    371 weekly connecting flights
    TYS - DEN Every day
  • Southwest
    Nonstop
    from $367
    Typical price: $295–570
    2 weekly nonstop flights
    TYS - DEN Every Sat, Sun
    265 weekly connecting flights
    TYS - DEN Every day
  • Delta
    from $313
    Typical price: $270–700
    364 weekly connecting flights
    TYS - DEN Every day
  • Frontier
    Nonstop
    from $158
    Typical price: $150–340
    2 weekly nonstop flights
    TYS - DEN Every Fri, Sun

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

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

Frequently asked questions about flying from Knoxville to Denver

The cheapest flights from Knoxville to Denver are usually in September. Typical ticket prices in September range from $170 to $265.
The cheapest round-trip flight from Knoxville to Denver recently found on Google Flights was with Frontier from $161. The cheapest one-way flight was with Frontier from $84.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest United flight from Knoxville to Denver is $293, flying from Jun 4 to Jun 10.
  • The cheapest American flight from Knoxville to Denver is $313, flying from May 28 to Jun 3.
  • The cheapest Southwest flight from Knoxville to Denver is $367, flying from Jul 27 to Aug 4.
  • The cheapest Delta flight from Knoxville to Denver is $313, flying from May 28 to Jun 3.
  • The cheapest Frontier flight from Knoxville to Denver is $158, flying from Jun 1 to Jun 10.
The cheapest round-trip flight from Knoxville to Denver starts at $161 from Mon, Jun 8 to Wed, Jun 17. The cheapest one-way flight starts at $84 and departs on Mon, Jun 8.
3 hr 11 min is the shortest flight time from Knoxville to Denver.
Denver’s mild summer months (Jun–Aug) are a popular time for visitors exploring the city and nearby national parks. The ski season runs through winter (Nov–Mar). Major events include the National Western Stock Show & Rodeo (Jan) and A Taste of Colorado (Sep) food and arts festival.
It's easy to use Google Flights to find the cheapest days to fly from Knoxville to Denver.
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 Knoxville to Denver 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 Knoxville to Denver.

In terms of nonstop flights, United is the most popular. United offers 14 nonstop flights and 444 connecting flights per week. United flies from McGhee Tyson Airport (TYS) to Denver International Airport (DEN) .

Other popular airlines flying from Knoxville to Denver are:
  • American offers 371 connecting flights per week. American flies from McGhee Tyson Airport (TYS) to Denver International Airport (DEN) .
  • Southwest offers 2 nonstop flights and 265 connecting flights per week. Southwest flies from McGhee Tyson Airport (TYS) to Denver International Airport (DEN) .
  • Delta offers 364 connecting flights per week. Delta flies from McGhee Tyson Airport (TYS) to Denver International Airport (DEN) .
  • Frontier offers 2 nonstop flights per week. Frontier flies from McGhee Tyson Airport (TYS) to Denver International Airport (DEN) .
The number of connecting flights refers to distinct flights with at least one stop between Knoxville and Denver.
The cheapest round-trip flight from Knoxville to Denver recently found on Google Flights was with Frontier from $161. The cheapest one-way flight was with Frontier from $84.

Some of the cheapest round-trip deals we found with different airlines:
  • The cheapest United flight from Knoxville to Denver is $293, flying from Jun 4 to Jun 10.
  • The cheapest American flight from Knoxville to Denver is $313, flying from May 28 to Jun 3.
  • The cheapest Southwest flight from Knoxville to Denver is $367, flying from Jul 27 to Aug 4.
  • The cheapest Delta flight from Knoxville to Denver is $313, flying from May 28 to Jun 3.
  • The cheapest Frontier flight from Knoxville to Denver is $158, flying from Jun 1 to Jun 10.
United, Southwest and Frontier fly direct from Knoxville to Denver.
  • There are 14 United direct flights from Knoxville to Denver per week. Flights are available every day.
  • There are 2 Southwest direct flights from Knoxville to Denver per week. Flights are available on Saturday and Sunday.
  • There are 2 Frontier direct flights from Knoxville to Denver 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 Knoxville and Denver at price $358 is offered by Frontier from Fri, May 8 to Mon, May 11.
United, Southwest and Frontier fly direct from Knoxville to Denver.
  • There are 14 United direct flights from Knoxville to Denver per week. Flights are available every day.
  • There are 2 Southwest direct flights from Knoxville to Denver per week. Flights are available on Saturday and Sunday.
  • There are 2 Frontier direct flights from Knoxville to Denver 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 Knoxville to Denver on a daily basis.
The cheapest direct (nonstop) round-trip flights between Knoxville and Denver start at $161 from Mon, Jun 8 to Wed, Jun 17 with Frontier.
It's easy to find nonstop flights with Google Flights! Once you've searched for flights from Knoxville to Denver, 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 Knoxville and Denver start at $497 from Mon, Jun 1 to Mon, Jun 8 with Frontier.
The cheapest economy class round-trip flights between Knoxville and Denver start at $161 from Mon, Jun 8 to Wed, Jun 17.
To book business class trips from Knoxville to Denver, 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 Knoxville and Denver starts at $358 from Fri, May 8 to Mon, May 11 with Frontier.
The cheapest last-minute deal between Knoxville and Denver at price $358 is offered by Frontier from Fri, May 8 to Mon, May 11.
To find last-minute flight deals from Knoxville to Denver, 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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Popular trips from Knoxville

  1. Paris
    $879
    Oct 24 — Nov 2
    2 stops 16 hr 25 min Delta, Scandinavian Airlines
  2. Denver
    $325
    Aug 13 — Aug 19
    Nonstop 3 hr 15 min Southwest
  3. Seattle
    $494
    Jun 14 — Jun 23
    1 stop 7 hr 48 min American
  4. Miami
    $93
    May 14 — May 23
    Nonstop 1 hr 59 min Allegiant

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