Flights from Denver, CO to Knoxville, TN

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Best Deals on Flights From Denver, CO (DEN) to Knoxville, TN (TYS)

Try alternate month or interact with individual days below in order to find offers.
Mar 2026
No results for this month.
Apr 2026
from$124*
Last seen: 33 mins ago
One-way/Economy
May 2026
from$81*
Last seen: 10 hours ago
One-way/Economy
$124
Displaying fares for March-2026
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    • Range$124-$229

    *Prices found by others in the previous 48 hours for round-trip flights. Prices shown may also require membership in our travel club, Discount Den.

    Flights Deals from Denver, CO to Knoxville, TN on Frontier

    $
    Flights Deals from Denver, CO to Knoxville, TN on Frontier
    From
    To
    Denver, CO (DEN)Knoxville, TN (TYS)One-way
    /
    Discount Den Basic Fare    		Departing Aug 10, 2026

    From

    $57

    Last seen: 1 hour ago

    *Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require membership in our travel club, Discount Den®.

    Denver, CO Knoxville, TN

    More Popular Flights From Denver, CO and To Knoxville, TN

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