Alaska Airlines Flights from Pittsburgh to Seattle

Lowest fares from Pittsburgh to Seattle

Aug 2026
From$270*
Seen: 7 hours ago
Flight Type One Way|Saver
Sep 2026
From$229*
Seen: 7 hours ago
Flight Type One Way|Saver
Oct 2026
From$229*
Seen: 7 hours ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $229
cmp-daily-histogram-bars-legend-max-price-aria-label $444
Displaying fares for August-2026
  • PIT–SEA, Aug 12, 2026: From $444
    12

    We

    AUG

  • PIT–SEA, Aug 13, 2026: From $270
    13

    Th

  • PIT–SEA, Aug 14, 2026: From $444
    14

    Fr

  • PIT–SEA, Aug 15, 2026: From $444
    15

    Sa

  • PIT–SEA, Aug 16, 2026: From $444
    16

    Su

  • PIT–SEA, Aug 17, 2026: From $444
    17

    Mo

  • PIT–SEA, Aug 18, 2026: From $379
    18

    Tu

  • PIT–SEA, Aug 19, 2026: From $379
    19

    We

  • PIT–SEA, Aug 20, 2026: From $379
    20

    Th

  • PIT–SEA, Aug 21, 2026: From $379
    21

    Fr

  • PIT–SEA, Aug 22, 2026: From $379
    22

    Sa

  • PIT–SEA, Aug 23, 2026: From $379
    23

    Su

  • PIT–SEA, Aug 24, 2026: From $379
    24

    Mo

  • PIT–SEA, Aug 25, 2026: From $299
    25

    Tu

  • PIT–SEA, Aug 26, 2026: From $299
    26

    We

  • PIT–SEA, Aug 27, 2026: From $299
    27

    Th

  • PIT–SEA, Aug 28, 2026: From $299
    28

    Fr

  • PIT–SEA, Aug 29, 2026: From $299
    29

    Sa

  • PIT–SEA, Aug 30, 2026: From $299
    30

    Su

  • PIT–SEA, Aug 31, 2026: From $299
    31

    Mo

  • PIT–SEA, Sep 1, 2026: From $229
    01

    Tu

    SEP

  • PIT–SEA, Sep 2, 2026: From $229
    02

    We

  • PIT–SEA, Sep 3, 2026: From $229
    03

    Th

  • PIT–SEA, Sep 4, 2026: From $229
    04

    Fr

  • PIT–SEA, Sep 5, 2026: From $229
    05

    Sa

  • PIT–SEA, Sep 6, 2026: From $229
    06

    Su

  • PIT–SEA, Sep 7, 2026: From $229
    07

    Mo

  • PIT–SEA, Sep 8, 2026: From $229
    08

    Tu

  • PIT–SEA, Sep 9, 2026: From $229
    09

    We

  • PIT–SEA, Sep 10, 2026: From $229
    10

    Th

  • PIT–SEA, Sep 11, 2026: From $229
    11

    Fr

    • Range$229-$444

    *Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

    One-way low-fare flights Pittsburgh to Seattle.*

    $
    keyboard_arrow_down
    One-way low-fare flights Pittsburgh to Seattle.*
    From
    To
    Fare Type
    Dates
    Price
    Pittsburgh (PIT)Seattle (SEA)One-way
    |
    Saver    		Depart: Nov 16, 2026

    From

    $229

    Seen: 7 hours ago

    Pittsburgh (PIT)Seattle (SEA)One-way
    |
    Saver    		Depart: Nov 17, 2026

    From

    $229

    Seen: 7 hours ago

    Pittsburgh (PIT)Seattle (SEA)One-way
    |
    Saver    		Depart: Nov 22, 2026

    From

    $229

    Seen: 7 hours ago

    Pittsburgh (PIT)Seattle (SEA)One-way
    |
    Saver    		Depart: Dec 3, 2026

    From

    $229

    Seen: 7 hours ago

    Pittsburgh (PIT)Seattle (SEA)One-way
    |
    Saver    		Depart: Dec 6, 2026

    From

    $229

    Seen: 7 hours ago

    Pittsburgh (PIT)Seattle (SEA)One-way
    |
    Saver    		Depart: Dec 15, 2026

    From

    $229

    Seen: 7 hours ago

    Pittsburgh (PIT)Seattle (SEA)One-way
    |
    Saver    		Depart: Jan 6, 2027

    From

    $229

    Seen: 7 hours ago

    Pittsburgh (PIT)Seattle (SEA)One-way
    |
    Saver    		Depart: Jan 8, 2027

    From

    $229

    Seen: 7 hours ago

    *Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

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