Southwest® flights from Phoenix to Knoxville from $137

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Low fares from Phoenix to Knoxville

$

Phoenix (PHX)to

Knoxville (TYS)
Depart: 11/10/2026

One-way

Basic

From
$137

Low fares from Phoenix to Knoxville

$

Phoenix (PHX)to

Knoxville (TYS)
Depart: 11/10/2026

One-way

Basic

From
$137
Seen: 12 hrs ago

Phoenix (PHX)to

Knoxville (TYS)
Depart: 12/15/2026

One-way

Basic

From
$137
Seen: 14 hrs ago

Phoenix (PHX)to

Knoxville (TYS)
Depart: 11/14/2026

One-way

Basic

From
$137
Seen: 7 hrs ago

Phoenix (PHX)to

Knoxville (TYS)
Depart: 12/06/2026

One-way

Basic

From
$161
Seen: 19 hrs ago

Phoenix (PHX)to

Knoxville (TYS)
Depart: 12/15/2026

One-way

Choice

From
$188
Seen: 14 hrs ago

Phoenix (PHX)to

Knoxville (TYS)
Depart: 11/14/2026

One-way

Choice

From
$188
Seen: 7 hrs ago

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Explore flights from Phoenix to Knoxville

Oct 2026
From$310*
Seen: 5 hrs ago
One Way/Basic
Nov 2026
From$137*
Seen: 12 hrs ago
One Way/Basic
Dec 2026
From$137*
Seen: 14 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $137
cmp-daily-histogram-bars-legend-max-price-aria-label $395
Displaying fares for October-2026
  • PHX–TYS, 10/23/2026: From $370
    23

    Fri

    OCT

  • PHX–TYS: cmp-view-offers-disclaimer. Find Offers
    24

    Sat

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    25

    Sun

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    26

    Mon

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    27

    Tue

  • PHX–TYS, 10/28/2026: From $310
    28

    Wed

  • PHX–TYS, 10/29/2026: From $365
    29

    Thu

  • PHX–TYS, 10/30/2026: From $365
    30

    Fri

  • PHX–TYS: cmp-view-offers-disclaimer. Find Offers
    31

    Sat

  • PHX–TYS, 11/01/2026: From $365
    01

    Sun

    NOV

  • PHX–TYS: cmp-view-offers-disclaimer. Find Offers
    02

    Mon

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    03

    Tue

  • PHX–TYS, 11/04/2026: From $310
    04

    Wed

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    05

    Thu

  • PHX–TYS, 11/06/2026: From $395
    06

    Fri

  • PHX–TYS: cmp-view-offers-disclaimer. Find Offers
    07

    Sat

  • PHX–TYS, 11/08/2026: From $314
    08

    Sun

  • PHX–TYS, 11/09/2026: From $198
    09

    Mon

  • PHX–TYS, 11/10/2026: From $137
    10

    Tue

  • PHX–TYS, 11/11/2026: From $201
    11

    Wed

  • PHX–TYS, 11/12/2026: From $274
    12

    Thu

  • PHX–TYS: cmp-view-offers-disclaimer. Find Offers
    13

    Fri

  • PHX–TYS, 11/14/2026: From $137
    14

    Sat

  • PHX–TYS, 11/15/2026: From $274
    15

    Sun

  • PHX–TYS, 11/16/2026: From $274
    16

    Mon

  • PHX–TYS: cmp-view-offers-disclaimer. Find Offers
    17

    Tue

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    18

    Wed

  • PHX–TYS, 11/19/2026: From $330
    19

    Thu

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    20

    Fri

  • PHX–TYS, 11/21/2026: From $274
    21

    Sat

  • PHX–TYS, 11/22/2026: From $271
    22

    Sun

    • Range$137-$395

    *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:
    Sky Harbor International Airport
    Arriving at:
    Mc Ghee Tyson Airport
    Distance:
    1599 miles

    Questions we hear the most

    There are 56 weekly flights from Phoenix to Knoxville on Southwest Airlines.
    To find the lowest fares by day and time to fly Phoenix to Knoxville with Southwest, check out our Low Fare Calendar.
    You can rent a car at Mc Ghee Tyson Airport book yours with your flight.
    Yes! Flights from Phoenix to Knoxville—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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