Southwest® flights from Philadelphia to Knoxville from $159

Promo Code

Low fares from Philadelphia to Knoxville

$

Philadelphia (PHL)to

Knoxville (TYS)
Depart: 12/12/2026

One-way

Basic

From
$159

Low fares from Philadelphia to Knoxville

$

Philadelphia (PHL)to

Knoxville (TYS)
Depart: 12/12/2026

One-way

Basic

From
$159
Seen: 19 hrs ago

Philadelphia (PHL)to

Knoxville (TYS)
Depart: 12/15/2026

One-way

Basic

From
$159
Seen: 9 hrs ago

Philadelphia (PHL)to

Knoxville (TYS)
Depart: 12/13/2026

One-way

Basic

From
$195
Seen: 18 hrs ago

Philadelphia (PHL)to

Knoxville (TYS)
Depart: 12/14/2026

One-way

Basic

From
$195
Seen: 9 hrs ago

Philadelphia (PHL)to

Knoxville (TYS)
Depart: 12/15/2026

One-way

Choice

From
$199
Seen: 9 hrs ago

Philadelphia (PHL)to

Knoxville (TYS)
Depart: 12/12/2026

One-way

Choice

From
$199
Seen: 19 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 Philadelphia to Knoxville

Nov 2026
From$200*
Seen: 6 hrs ago
One Way/Basic
Dec 2026
From$159*
Seen: 19 hrs ago
One Way/Basic
Jan 2027
No result for this month.
cmp-daily-histogram-bars-legend-min-price-aria-label $200
Displaying fares for November-2026
  • PHL–TYS, 11/01/2026: From $315
    01

    Sun

    NOV

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

    Mon

  • PHL–TYS, 11/03/2026: From $268
    03

    Tue

  • PHL–TYS: cmp-view-offers-disclaimer. Find Offers
    04

    Wed

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

    Thu

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

    Fri

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

    Sat

  • PHL–TYS, 11/08/2026: From $315
    08

    Sun

  • PHL–TYS, 11/09/2026: From $315
    09

    Mon

  • PHL–TYS, 11/10/2026: From $268
    10

    Tue

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

    Wed

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

    Thu

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

    Fri

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

    Sat

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

    Sun

  • PHL–TYS: cmp-view-offers-disclaimer. Find Offers
    16

    Mon

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

    Tue

  • PHL–TYS: cmp-view-offers-disclaimer. Find Offers
    18

    Wed

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

    Thu

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

    Fri

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

    Sat

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

    Sun

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

    Mon

  • PHL–TYS, 11/24/2026: From $234
    24

    Tue

  • PHL–TYS, 11/25/2026: From $200
    25

    Wed

  • PHL–TYS: cmp-view-offers-disclaimer. Find Offers
    26

    Thu

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

    Fri

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

    Sat

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

    Sun

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

    Mon

    • Range$200-$315

    *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:
    Philadelphia International Airport
    Arriving at:
    Mc Ghee Tyson Airport
    Distance:
    554 miles

    Questions we hear the most

    There are 41 weekly flights from Philadelphia to Knoxville on Southwest Airlines.
    To find the lowest fares by day and time to fly Philadelphia 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 Philadelphia 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 Philadelphia