Flights from Knoxville, TN to Denver, CO

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

Apr 2026
from$64*
Last seen: 3 hours ago
One-way/Economy
May 2026
from$77*
Last seen: 2 hours ago
One-way/Economy
Jun 2026
from$69*
Last seen: 21 hours ago
One-way/Economy
$64
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    • Range$64-$234

    *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 Knoxville, TN to Denver, CO on Frontier

    $
    Flights Deals from Knoxville, TN to Denver, CO on Frontier
    From
    To
    Knoxville, TN (TYS)Denver, CO (DEN)One-way
    /
    Discount Den Basic Fare    		Departing Aug 19, 2026

    From

    $44

    Last seen: 19 hours 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®.

    Knoxville, TN Denver, CO

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