Southwest® flights from Phoenix to Knoxville from $195

Promo Code

Low fares from Phoenix to Knoxville

$

Phoenix (PHX)to

Knoxville (TYS)
Depart: 10/24/2026

One-way

Basic

From
$195

Low fares from Phoenix to Knoxville

$

Phoenix (PHX)to

Knoxville (TYS)
Depart: 10/24/2026

One-way

Basic

From
$195
Seen: 13 hrs ago

Phoenix (PHX)to

Knoxville (TYS)
Depart: 10/30/2026

One-way

Basic

From
$205
Seen: 2 hrs ago

Phoenix (PHX)to

Knoxville (TYS)
Depart: 11/05/2026

One-way

Basic

From
$230
Seen: 5 hrs ago

Phoenix (PHX)to

Knoxville (TYS)
Depart: 11/23/2026

One-way

Basic

From
$244
Seen: 6 hrs ago

Phoenix (PHX)to

Knoxville (TYS)
Depart: 11/08/2026

One-way

Basic

From
$244
Seen: 1 hour ago

Phoenix (PHX)to

Knoxville (TYS)
Depart: 10/24/2026

One-way

Choice

From
$245
Seen: 13 hrs ago

Looking for more low-fare flights?

Check out the Low Fare Calendar to find a fare that works for you. Just choose the month you want to depart and return, and we’ll show you the best fares available.

Find low fares

Explore flights from Phoenix to Knoxville

Sep 2026
From$304*
Seen: 18 hrs ago
One Way/Basic
Oct 2026
From$195*
Seen: 13 hrs ago
One Way/Basic
Nov 2026
From$230*
Seen: 5 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $279
cmp-daily-histogram-bars-legend-max-price-aria-label $529
Displaying fares for September-2026
  • PHX–TYS: cmp-view-offers-disclaimer. Find Offers
    13

    Sun

    SEP

  • PHX–TYS: cmp-view-offers-disclaimer. Find Offers
    14

    Mon

  • PHX–TYS: cmp-view-offers-disclaimer. Find Offers
    15

    Tue

  • PHX–TYS, 09/16/2026: From $434
    16

    Wed

  • PHX–TYS, 09/17/2026: From $365
    17

    Thu

  • PHX–TYS, 09/18/2026: From $529
    18

    Fri

  • PHX–TYS, 09/19/2026: From $310
    19

    Sat

  • PHX–TYS, 09/20/2026: From $370
    20

    Sun

  • PHX–TYS, 09/21/2026: From $365
    21

    Mon

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

    Tue

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

    Wed

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

    Thu

  • PHX–TYS: cmp-view-offers-disclaimer. Find Offers
    25

    Fri

  • PHX–TYS, 09/26/2026: From $304
    26

    Sat

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

    Sun

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

    Mon

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

    Tue

  • PHX–TYS, 09/30/2026: From $304
    30

    Wed

  • PHX–TYS: cmp-view-offers-disclaimer. Find Offers
    01

    Thu

    OCT

  • PHX–TYS, 10/02/2026: From $309
    02

    Fri

  • PHX–TYS, 10/03/2026: From $292
    03

    Sat

  • PHX–TYS, 10/04/2026: From $279
    04

    Sun

  • PHX–TYS: cmp-view-offers-disclaimer. Find Offers
    05

    Mon

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

    Tue

  • PHX–TYS, 10/07/2026: From $310
    07

    Wed

  • PHX–TYS, 10/08/2026: From $469
    08

    Thu

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

    Fri

  • PHX–TYS, 10/10/2026: From $434
    10

    Sat

  • PHX–TYS, 10/11/2026: From $329
    11

    Sun

  • PHX–TYS, 10/12/2026: From $329
    12

    Mon

    • Range$279-$529

    *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.

    Explore Flights from Other Popular Origins

    Popular Flights from Phoenix