Southwest® flights from Knoxville to Pittsburgh from $104

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Low fares from Knoxville to Pittsburgh

$

Knoxville (TYS)to

Pittsburgh (PIT)
Depart: 11/05/2026

One-way

Basic

From
$104

Low fares from Knoxville to Pittsburgh

$

Knoxville (TYS)to

Pittsburgh (PIT)
Depart: 11/05/2026

One-way

Basic

From
$104
Seen: 22 hrs ago

Knoxville (TYS)to

Pittsburgh (PIT)
Depart: 11/07/2026

One-way

Basic

From
$104
Seen: 11 hrs ago

Knoxville (TYS)to

Pittsburgh (PIT)
Depart: 12/05/2026

One-way

Basic

From
$104
Seen: 22 hrs ago

Knoxville (TYS)to

Pittsburgh (PIT)
Depart: 11/03/2026

One-way

Basic

From
$104
Seen: 7 hrs ago

Knoxville (TYS)to

Pittsburgh (PIT)
Depart: 11/26/2026

One-way

Basic

From
$109
Seen: 6 hrs ago

Knoxville (TYS)to

Pittsburgh (PIT)
Depart: 10/27/2026

One-way

Basic

From
$126
Seen: 10 hrs ago

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Explore flights from Knoxville to Pittsburgh

Oct 2026
From$126*
Seen: 10 hrs ago
One Way/Basic
Nov 2026
From$104*
Seen: 7 hrs ago
One Way/Basic
Dec 2026
From$104*
Seen: 22 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $104
cmp-daily-histogram-bars-legend-max-price-aria-label $349
Displaying fares for October-2026
  • TYS–PIT, 10/09/2026: From $336
    09

    Fri

    OCT

  • TYS–PIT: cmp-view-offers-disclaimer. Find Offers
    10

    Sat

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

    Sun

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    12

    Mon

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    13

    Tue

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    14

    Wed

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    15

    Thu

  • TYS–PIT, 10/16/2026: From $329
    16

    Fri

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    17

    Sat

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

    Sun

  • TYS–PIT, 10/19/2026: From $349
    19

    Mon

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    20

    Tue

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

    Wed

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    22

    Thu

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    23

    Fri

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

    Sat

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

    Sun

  • TYS–PIT, 10/26/2026: From $234
    26

    Mon

  • TYS–PIT, 10/27/2026: From $126
    27

    Tue

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

    Wed

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

    Thu

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

    Fri

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    31

    Sat

  • TYS–PIT, 11/01/2026: From $218
    01

    Sun

    NOV

  • TYS–PIT, 11/02/2026: From $204
    02

    Mon

  • TYS–PIT, 11/03/2026: From $104
    03

    Tue

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

    Wed

  • TYS–PIT, 11/05/2026: From $104
    05

    Thu

  • TYS–PIT, 11/06/2026: From $144
    06

    Fri

  • TYS–PIT, 11/07/2026: From $104
    07

    Sat

  • TYS–PIT: cmp-view-offers-disclaimer. Find Offers
    08

    Sun

    • Range$104-$349

    *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:
    Pittsburgh International Airport
    Distance:
    382 miles

    Questions we hear the most

    There are 53 weekly flights from Knoxville to Pittsburgh on Southwest Airlines.
    To find the lowest fares by day and time to fly Knoxville to Pittsburgh with Southwest, check out our Low Fare Calendar.
    You can rent a car at Pittsburgh International Airport book yours with your flight.
    Yes! Flights from Knoxville to Pittsburgh—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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