Southwest® flights from Knoxville to Phoenix from $160

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Low fares from Knoxville to Phoenix

$

Knoxville (TYS)to

Phoenix (PHX)
Depart: 09/10/2026

One-way

Basic

From
$160

Low fares from Knoxville to Phoenix

$

Knoxville (TYS)to

Phoenix (PHX)
Depart: 09/10/2026

One-way

Basic

From
$160
Seen: 17 hrs ago

Knoxville (TYS)to

Phoenix (PHX)
Depart: 10/08/2026

One-way

Basic

From
$160
Seen: 5 hrs ago

Knoxville (TYS)to

Phoenix (PHX)
Depart: 11/16/2026

One-way

Basic

From
$160
Seen: 2 hrs ago

Knoxville (TYS)to

Phoenix (PHX)
Depart: 10/21/2026

One-way

Basic

From
$160
Seen: 6 hrs ago

Knoxville (TYS)to

Phoenix (PHX)
Depart: 10/22/2026

One-way

Basic

From
$160
Seen: 4 hrs ago

Knoxville (TYS)to

Phoenix (PHX)
Depart: 10/28/2026

One-way

Basic

From
$160
Seen: 15 hrs ago

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Explore flights from Knoxville to Phoenix

Sep 2026
From$160*
Seen: 17 hrs ago
One Way/Basic
Oct 2026
From$160*
Seen: 6 hrs ago
One Way/Basic
Nov 2026
From$160*
Seen: 2 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $160
cmp-daily-histogram-bars-legend-max-price-aria-label $614
Displaying fares for September-2026
  • TYS–PHX: cmp-view-offers-disclaimer. Find Offers
    01

    Tue

    SEP

  • TYS–PHX, 09/02/2026: From $290
    02

    Wed

  • TYS–PHX, 09/03/2026: From $614
    03

    Thu

  • TYS–PHX, 09/04/2026: From $514
    04

    Fri

  • TYS–PHX, 09/05/2026: From $459
    05

    Sat

  • TYS–PHX: cmp-view-offers-disclaimer. Find Offers
    06

    Sun

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

    Mon

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

    Tue

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

    Wed

  • TYS–PHX, 09/10/2026: From $160
    10

    Thu

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

    Fri

  • TYS–PHX: cmp-view-offers-disclaimer. Find Offers
    12

    Sat

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    13

    Sun

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    14

    Mon

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    15

    Tue

  • TYS–PHX, 09/16/2026: From $290
    16

    Wed

  • TYS–PHX, 09/17/2026: From $294
    17

    Thu

  • TYS–PHX, 09/18/2026: From $314
    18

    Fri

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

    Sat

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

    Sun

  • TYS–PHX, 09/21/2026: From $324
    21

    Mon

  • TYS–PHX: cmp-view-offers-disclaimer. Find Offers
    22

    Tue

  • TYS–PHX: cmp-view-offers-disclaimer. Find Offers
    23

    Wed

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    24

    Thu

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    25

    Fri

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    26

    Sat

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    27

    Sun

  • TYS–PHX, 09/28/2026: From $314
    28

    Mon

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

    Tue

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

    Wed

    • Range$160-$614

    *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:
    Sky Harbor International Airport
    Distance:
    1599 miles

    Route Information

    76† 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 76 weekly flights from Knoxville to Phoenix on Southwest Airlines.
    To find the lowest fares by day and time to fly Knoxville to Phoenix with Southwest, check out our Low Fare Calendar.
    You can rent a car at Sky Harbor International Airport book yours with your flight.
    Yes! Flights from Knoxville to Phoenix—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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