Southwest® flights from Knoxville to Denver from $153

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Low fares from Knoxville to Denver

$

Knoxville (TYS)to

Denver (DEN)
Depart: 12/03/2026

One-way

Basic

From
$153

Low fares from Knoxville to Denver

$

Knoxville (TYS)to

Denver (DEN)
Depart: 12/15/2026

One-way

Basic

From
$153
Seen: 23 hrs ago

Knoxville (TYS)to

Denver (DEN)
Depart: 12/03/2026

One-way

Basic

From
$153
Seen: 18 hrs ago

Knoxville (TYS)to

Denver (DEN)
Depart: 10/22/2026

One-way

Basic

From
$163
Seen: 23 hrs ago

Knoxville (TYS)to

Denver (DEN)
Depart: 10/08/2026

One-way

Basic

From
$163
Seen: 23 hrs ago

Knoxville (TYS)to

Denver (DEN)
Depart: 11/06/2026

One-way

Basic

From
$170
Seen: 21 hrs ago

Knoxville (TYS)to

Denver (DEN)
Depart: 10/23/2026

One-way

Basic

From
$170
Seen: 22 hrs ago

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Explore flights from Knoxville to Denver

Sep 2026
From$284*
Seen: 14 hrs ago
One Way/Basic
Oct 2026
From$163*
Seen: 23 hrs ago
One Way/Basic
Nov 2026
From$170*
Seen: 21 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $163
cmp-daily-histogram-bars-legend-max-price-aria-label $525
Displaying fares for September-2026
  • TYS–DEN, 09/12/2026: From $404
    12

    Sat

    SEP

  • TYS–DEN, 09/13/2026: From $414
    13

    Sun

  • TYS–DEN, 09/14/2026: From $404
    14

    Mon

  • TYS–DEN, 09/15/2026: From $404
    15

    Tue

  • TYS–DEN, 09/16/2026: From $404
    16

    Wed

  • TYS–DEN, 09/17/2026: From $404
    17

    Thu

  • TYS–DEN, 09/18/2026: From $379
    18

    Fri

  • TYS–DEN: cmp-view-offers-disclaimer. Find Offers
    19

    Sat

  • TYS–DEN: cmp-view-offers-disclaimer. Find Offers
    20

    Sun

  • TYS–DEN: cmp-view-offers-disclaimer. Find Offers
    21

    Mon

  • TYS–DEN, 09/22/2026: From $379
    22

    Tue

  • TYS–DEN, 09/23/2026: From $379
    23

    Wed

  • TYS–DEN, 09/24/2026: From $379
    24

    Thu

  • TYS–DEN, 09/25/2026: From $284
    25

    Fri

  • TYS–DEN, 09/26/2026: From $294
    26

    Sat

  • TYS–DEN: cmp-view-offers-disclaimer. Find Offers
    27

    Sun

  • TYS–DEN, 09/28/2026: From $294
    28

    Mon

  • TYS–DEN: cmp-view-offers-disclaimer. Find Offers
    29

    Tue

  • TYS–DEN: cmp-view-offers-disclaimer. Find Offers
    30

    Wed

  • TYS–DEN, 10/01/2026: From $294
    01

    Thu

    OCT

  • TYS–DEN, 10/02/2026: From $334
    02

    Fri

  • TYS–DEN, 10/03/2026: From $274
    03

    Sat

  • TYS–DEN, 10/04/2026: From $525
    04

    Sun

  • TYS–DEN, 10/05/2026: From $195
    05

    Mon

  • TYS–DEN, 10/06/2026: From $185
    06

    Tue

  • TYS–DEN, 10/07/2026: From $185
    07

    Wed

  • TYS–DEN, 10/08/2026: From $163
    08

    Thu

  • TYS–DEN: cmp-view-offers-disclaimer. Find Offers
    09

    Fri

  • TYS–DEN: cmp-view-offers-disclaimer. Find Offers
    10

    Sat

  • TYS–DEN: cmp-view-offers-disclaimer. Find Offers
    11

    Sun

    • Range$163-$525

    *Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.

    Flight Details

    Departing from:
    Mc Ghee Tyson Airport
    Arriving at:
    Denver International Airport
    Average flight time:
    3 hours 22 minutes
    Distance:
    1162 miles

    Route Information

    73† Weekly flights
    • 1‡ Nonstop flight on Saturday
    • 1‡ Nonstop flight on Sunday

    † Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.

    ‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.

    Questions we hear the most

    The average flight time from Knoxville to Denver is 3 hours 22 minutes.
    There are 73 weekly flights from Knoxville to Denver on Southwest Airlines.
    Yes, Southwest flies nonstop from Knoxville to Denver once per day on Saturdays and Sundays.
    To find the lowest fares by day and time to fly Knoxville to Denver with Southwest, check out our Low Fare Calendar.
    You can rent a car at Denver International Airport book yours with your flight.
    Yes! Flights from Knoxville to Denver—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
    Check the status of your upcoming Southwest flight.
    Check out the Southwest Airlines® Help Center for answers about everything Southwest.

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