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Flights from Denver to Knoxville Starting at AU$ 89

We've found these cheap flights for you. You can book one-way or return flight tickets.

  • One way
  • Return

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Find the best time to fly from Denver to Knoxville

We monitor flight fares to help you find the best deals effortlessly

Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.
Airlines Flying from Denver to Knoxville

Compare prices, find the option that best suits your travel needs, and enjoy a comfortable journey with a trusted airline.

Frontier Airlines
From AU$ 89
American Airlines
From AU$ 180
United Airlines
From AU$ 275
Delta Air Lines
From AU$ 441
ANA airlines

Find more flights and airlines

Alternative Routes from Denver to Knoxville

Searching for potential routes that might be cheaper and faster? Check out these alternative flights from Denver to Knoxville.

  • Cheapest
    Frontier Airlines
    DEN
    05:06
    2h 45m
    Direct
    TYS
    09:51
    Denver International Airport - Mcghee Tyson Airport
    Wed, Apr 24Frontier Airlines
    AU$ 89
  • Frontier Airlines
    DEN
    05:06
    2h 45m
    Direct
    TYS
    09:51
    Denver International Airport - Mcghee Tyson Airport
    Wed, Apr 24Frontier Airlines
    AU$ 89
    Find More Flights

How do I find the cheapest flights?

  • When are flight from Denver (DEN) to Knoxville (TYS) the cheapest?

    Airlines adjust prices for flights from Denver to Knoxville based on the date and time of your booking. By analyzing data from all airlines, on Trip.com, you can find the lowest flight prices on Tuesdays, Wednesdays, and Saturdays.
  • How much are flights from Denver (DEN) to Knoxville (TYS) cost?

    According to Trip.com's data, the lowest price is around AU$ 691.
  • How long is the flights from Denver (DEN) to Knoxville (TYS)?

    It takes about 2 hours 51 minutes to fly from Denver (DEN) to Knoxville (TYS).
  • What are the most popular airlines that fly from Denver (DEN) to Knoxville (TYS)?

    Airlines with flights from Denver (DEN) to Knoxville (TYS): Frontier Airlines, Volaris and United Airlines.
  • What's the most popular airline for direct flights from Denver (DEN) to Knoxville (TYS)?

    Allegiant Air operates 1 direct flights from Denver (DEN) to Knoxville (TYS).
  • How many airports in Knoxville (TYS)?

    There are 1 airport(s) in Knoxville (TYS): Mcghee Tyson Airport.

Flight Information from Denver to Knoxville

Cheapest direct flight price

AU$ 89

Cheapest return ticket price

AU$ 181

Off-season for travel

March

Peak season for travel

September