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Cheap Flights from Knoxville to Denver starting at S$ 51

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

  • One way
  • Round-trip

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

Cheapest time to fly from Knoxville to Denver

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

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

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

Frontier Airlines
From S$ 51
Allegiant Air
From S$ 238
United Airlines
From S$ 259
American Airlines
From S$ 325
Delta Air Lines
From S$ 345
ANA airlines

Find more flights and airlines

Alternative Routes from Knoxville to Denver

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

  • Cheapest
    Frontier Airlines
    TYS
    20:39
    3h 26m
    Direct
    DEN
    22:05
    Mcghee Tyson Airport - Denver International Airport
    Wed, Apr 3Frontier Airlines
    S$ 51
  • Frontier Airlines
    TYS
    20:39
    3h 26m
    Direct
    DEN
    22:05
    Mcghee Tyson Airport - Denver International Airport
    Wed, Apr 3Frontier Airlines
    S$ 51
    Find More Flights

Frequently Asked Questions

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

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

    According to Trip.com's data, the lowest price is around S$ 576.
  • How long is a flight from Knoxville (TYS) to Denver (DEN)?

    It takes about 3 hours 17 minutes to fly from Knoxville (TYS) to Denver (DEN).
  • What are the most popular airlines that fly from Knoxville (TYS) to Denver (DEN)?

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

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

Find cheapest flight ticket from Knoxville to Denver

Cheapest direct flight price

S$ 51

Cheapest return ticket price

S$ 158

Cheapest month

December

Peak season for travel

September