Southwest® flights from Phoenix to Knoxville from $160

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Low fares from Phoenix to Knoxville

$

Phoenix (PHX)to

Knoxville (TYS)
Depart: 09/06/2026

One-way

Basic

From
$160

Low fares from Phoenix to Knoxville

$

Phoenix (PHX)to

Knoxville (TYS)
Depart: 09/06/2026

One-way

Basic

From
$160
Seen: 16 hrs ago

Phoenix (PHX)to

Knoxville (TYS)
Depart: 09/01/2026

One-way

Basic

From
$175
Seen: 21 hrs ago

Phoenix (PHX)to

Knoxville (TYS)
Depart: 08/25/2026

One-way

Basic

From
$175
Seen: 18 hrs ago

Phoenix (PHX)to

Knoxville (TYS)
Depart: 09/15/2026

One-way

Basic

From
$175
Seen: 22 hrs ago

Phoenix (PHX)to

Knoxville (TYS)
Depart: 09/22/2026

One-way

Basic

From
$175
Seen: 3 hrs ago

Phoenix (PHX)to

Knoxville (TYS)
Depart: 10/24/2026

One-way

Basic

From
$175
Seen: 16 hrs ago

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Explore flights from Phoenix to Knoxville

Aug 2026
From$175*
Seen: 18 hrs ago
One Way/Basic
Sep 2026
From$160*
Seen: 16 hrs ago
One Way/Basic
Oct 2026
From$175*
Seen: 16 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $175
cmp-daily-histogram-bars-legend-max-price-aria-label $355
Displaying fares for August-2026
  • PHX–TYS, 08/03/2026: From $350
    03

    Mon

    AUG

  • PHX–TYS, 08/04/2026: From $290
    04

    Tue

  • PHX–TYS, 08/05/2026: From $290
    05

    Wed

  • PHX–TYS, 08/06/2026: From $355
    06

    Thu

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

    Fri

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    08

    Sat

  • PHX–TYS, 08/09/2026: From $350
    09

    Sun

  • PHX–TYS, 08/10/2026: From $345
    10

    Mon

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    11

    Tue

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    12

    Wed

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    13

    Thu

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    14

    Fri

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    15

    Sat

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    16

    Sun

  • PHX–TYS, 08/17/2026: From $294
    17

    Mon

  • PHX–TYS, 08/18/2026: From $290
    18

    Tue

  • PHX–TYS, 08/19/2026: From $290
    19

    Wed

  • PHX–TYS, 08/20/2026: From $294
    20

    Thu

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

    Fri

  • PHX–TYS, 08/22/2026: From $225
    22

    Sat

  • PHX–TYS, 08/23/2026: From $264
    23

    Sun

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

    Mon

  • PHX–TYS, 08/25/2026: From $175
    25

    Tue

  • PHX–TYS, 08/26/2026: From $175
    26

    Wed

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

    Thu

  • PHX–TYS: cmp-view-offers-disclaimer. Find Offers
    28

    Fri

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    29

    Sat

  • PHX–TYS, 08/30/2026: From $264
    30

    Sun

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

    Mon

  • PHX–TYS, 09/01/2026: From $175
    01

    Tue

    SEP

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

    Wed

    • Range$175-$355

    *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

    Route Information

    56† Weekly flights

    † 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

    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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