Flights from Pittsburgh (PIT) to Seattle (SEA) on Alaska Airlines

Lowest fares from Pittsburgh to Seattle

Nov 2026
From$310*
Seen: 3 hours ago
Flight Type One Way|Saver
Dec 2026
From$329*
Seen: 3 hours ago
Flight Type One Way|Saver
Jan 2027
From$329*
Seen: 3 hours ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $310
cmp-daily-histogram-bars-legend-max-price-aria-label $11.9K
Displaying fares for November-2026
  • PIT–SEA, Nov 14, 2026: From $386
    14

    Sa

    NOV

  • PIT–SEA, Nov 15, 2026: From $315
    15

    Su

  • PIT–SEA, Nov 16, 2026: From $310
    16

    Mo

  • PIT–SEA, Nov 17, 2026: From $524
    17

    Tu

  • PIT–SEA, Nov 18, 2026: From $524
    18

    We

  • PIT–SEA, Nov 19, 2026: From $524
    19

    Th

  • PIT–SEA, Nov 20, 2026: From $524
    20

    Fr

  • PIT–SEA, Nov 21, 2026: From $479
    21

    Sa

  • PIT–SEA, Nov 22, 2026: From $479
    22

    Su

  • PIT–SEA, Nov 23, 2026: From $479
    23

    Mo

  • PIT–SEA, Nov 24, 2026: From $479
    24

    Tu

  • PIT–SEA, Nov 25, 2026: From $479
    25

    We

  • PIT–SEA, Nov 26, 2026: From $11,865
    26

    Th

  • PIT–SEA, Nov 27, 2026: From $479
    27

    Fr

  • PIT–SEA, Nov 28, 2026: From $804
    28

    Sa

  • PIT–SEA, Nov 29, 2026: From $1,092
    29

    Su

  • PIT–SEA, Nov 30, 2026: From $604
    30

    Mo

  • PIT–SEA, Dec 1, 2026: From $469
    01

    Tu

    DEC

  • PIT–SEA, Dec 2, 2026: From $399
    02

    We

  • PIT–SEA, Dec 3, 2026: From $399
    03

    Th

  • PIT–SEA, Dec 4, 2026: From $399
    04

    Fr

  • PIT–SEA, Dec 5, 2026: From $399
    05

    Sa

  • PIT–SEA, Dec 6, 2026: From $329
    06

    Su

  • PIT–SEA, Dec 7, 2026: From $329
    07

    Mo

  • PIT–SEA, Dec 8, 2026: From $329
    08

    Tu

  • PIT–SEA, Dec 9, 2026: From $329
    09

    We

  • PIT–SEA, Dec 10, 2026: From $329
    10

    Th

  • PIT–SEA, Dec 11, 2026: From $329
    11

    Fr

  • PIT–SEA, Dec 12, 2026: From $399
    12

    Sa

  • PIT–SEA, Dec 13, 2026: From $399
    13

    Su

    • Range$310-$11,865

    *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

    $310

    Seen: 3 hours ago

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

    From

    $315

    Seen: 3 hours ago

    Pittsburgh (PIT)Seattle (SEA)One-way
    |
    Saver    		Depart: Dec 7, 2026

    From

    $329

    Seen: 3 hours ago

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

    From

    $329

    Seen: 3 hours ago

    Pittsburgh (PIT)Seattle (SEA)One-way
    |
    Saver    		Depart: Jan 15, 2027

    From

    $329

    Seen: 3 hours ago

    Pittsburgh (PIT)Seattle (SEA)One-way
    |
    Saver    		Depart: Jan 18, 2027

    From

    $329

    Seen: 3 hours ago

    Pittsburgh (PIT)Seattle (SEA)One-way
    |
    Saver    		Depart: Feb 14, 2027

    From

    $329

    Seen: 3 hours ago

    Pittsburgh (PIT)Seattle (SEA)One-way
    |
    Saver    		Depart: Feb 15, 2027

    From

    $329

    Seen: 3 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.

    Frequently Asked Questions on flights from Pittsburgh (PIT) to Seattle (SEA)

    When is the best time to book a flight from Pittsburgh to Seattle?

    Want to find the lowest fares by day and time flying from Pittsburgh to Seattle on Alaska Airlines or Hawaiian Airlines? Check out our flight search widget.

    Can I earn points on my flight to Seattle?

    Yes, with Atmosâ„¢ Rewards you can earn points on flights to 1000+ destinations worldwide through the growing network of Alaska and Hawaiian Airlines. Not an Atmosâ„¢ Rewards member yet? Learn more and join today.

    Can I rent a car when I arrive at Seattle/Tacoma International Airport?

    Yes, you can rent a car at Seattle/Tacoma International Airport. Check availability and book now

    Where can I find the status of my flight to Seattle?

    You can check the status of your upcoming Alaska Airlines flight on our flight schedule page.

    Where can I find answers to questions about flying with Alaska Airlines?

    Visit the Alaska Airlines Help Center to quickly browse our help pages by category to find the information you need.

    Can I change or cancel my Alaska Airlines flight to Seattle?

    Yes, you can review, modify, or cancel a reservation from our Manage Your Reservation tool. You can learn more about our policy for changing or cancelling a reservation here. 

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