Southwest® flights from Seattle/Tacoma to Pittsburgh from $143

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Low fares from Seattle/Tacoma to Pittsburgh

$

Seattle/Tacoma (SEA)to

Pittsburgh (PIT)
Depart: 10/28/2026

One-way

Basic

From
$143
Seen: 21 hrs ago

Seattle/Tacoma (SEA)to

Pittsburgh (PIT)
Depart: 10/27/2026

One-way

Basic

From
$143
Seen: 9 hrs ago

Seattle/Tacoma (SEA)to

Pittsburgh (PIT)
Depart: 10/24/2026

One-way

Basic

From
$156
Seen: 10 hrs ago

Seattle/Tacoma (SEA)to

Pittsburgh (PIT)
Depart: 11/14/2026

One-way

Basic

From
$156
Seen: 11 hrs ago

Seattle/Tacoma (SEA)to

Pittsburgh (PIT)
Depart: 10/28/2026

One-way

Choice

From
$198
Seen: 21 hrs ago

Seattle/Tacoma (SEA)to

Pittsburgh (PIT)
Depart: 10/27/2026

One-way

Choice

From
$198
Seen: 9 hrs ago

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Explore flights from Seattle/Tacoma to Pittsburgh

Oct 2026
From$143*
Seen: 9 hrs ago
One Way/Basic
Nov 2026
From$156*
Seen: 11 hrs ago
One Way/Basic
Dec 2026
From$245*
Seen: 23 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $143
cmp-daily-histogram-bars-legend-max-price-aria-label $332
Displaying fares for October-2026
  • SEA–PIT, 10/04/2026: From $327
    04

    Sun

    OCT

  • SEA–PIT, 10/05/2026: From $327
    05

    Mon

  • SEA–PIT: cmp-view-offers-disclaimer. Find Offers
    06

    Tue

  • SEA–PIT, 10/07/2026: From $281
    07

    Wed

  • SEA–PIT, 10/08/2026: From $327
    08

    Thu

  • SEA–PIT, 10/09/2026: From $332
    09

    Fri

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

    Sat

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

    Sun

  • SEA–PIT: cmp-view-offers-disclaimer. Find Offers
    12

    Mon

  • SEA–PIT: cmp-view-offers-disclaimer. Find Offers
    13

    Tue

  • SEA–PIT, 10/14/2026: From $281
    14

    Wed

  • SEA–PIT: cmp-view-offers-disclaimer. Find Offers
    15

    Thu

  • SEA–PIT: cmp-view-offers-disclaimer. Find Offers
    16

    Fri

  • SEA–PIT: cmp-view-offers-disclaimer. Find Offers
    17

    Sat

  • SEA–PIT, 10/18/2026: From $264
    18

    Sun

  • SEA–PIT, 10/19/2026: From $264
    19

    Mon

  • SEA–PIT: cmp-view-offers-disclaimer. Find Offers
    20

    Tue

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

    Wed

  • SEA–PIT, 10/22/2026: From $264
    22

    Thu

  • SEA–PIT: cmp-view-offers-disclaimer. Find Offers
    23

    Fri

  • SEA–PIT, 10/24/2026: From $156
    24

    Sat

  • SEA–PIT, 10/25/2026: From $203
    25

    Sun

  • SEA–PIT: cmp-view-offers-disclaimer. Find Offers
    26

    Mon

  • SEA–PIT, 10/27/2026: From $143
    27

    Tue

  • SEA–PIT, 10/28/2026: From $143
    28

    Wed

  • SEA–PIT, 10/29/2026: From $203
    29

    Thu

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

    Fri

  • SEA–PIT: cmp-view-offers-disclaimer. Find Offers
    31

    Sat

  • SEA–PIT: cmp-view-offers-disclaimer. Find Offers
    01

    Sun

    NOV

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    02

    Mon

  • SEA–PIT: cmp-view-offers-disclaimer. Find Offers
    03

    Tue

    • Range$143-$332

    *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:
    Seattle/Tacoma International Airport
    Arriving at:
    Pittsburgh International Airport
    Distance:
    2125 miles

    Route Information

    82† 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 82 weekly flights from Seattle/Tacoma to Pittsburgh on Southwest Airlines.
    To find the lowest fares by day and time to fly Seattle/Tacoma 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 Seattle/Tacoma 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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