Alaska Airlines Flights from Petersburg to Seattle

Lowest fares from Petersburg to Seattle

Mar 2026
From$388*
Seen: 6 hours ago
Flight Type One Way|Saver
Apr 2026
From$243*
Seen: 6 hours ago
Flight Type One Way|Saver
May 2026
From$243*
Seen: 6 hours ago
Flight Type One Way|Saver
$243
$433
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    • Range$243-$433

    *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 Petersburg to Seattle.*

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    One-way low-fare flights Petersburg to Seattle.*
    From
    To
    Fare Type
    Dates
    Price
    Petersburg (PSG)Seattle (SEA)One-way
    |
    Saver    		Depart: Apr 10, 2026

    From

    $243

    Seen: 6 hours ago

    Petersburg (PSG)Seattle (SEA)One-way
    |
    Saver    		Depart: Apr 19, 2026

    From

    $243

    Seen: 6 hours ago

    Petersburg (PSG)Seattle (SEA)One-way
    |
    Saver    		Depart: Apr 22, 2026

    From

    $243

    Seen: 6 hours ago

    Petersburg (PSG)Seattle (SEA)One-way
    |
    Saver    		Depart: Apr 30, 2026

    From

    $243

    Seen: 6 hours ago

    Petersburg (PSG)Seattle (SEA)One-way
    |
    Saver    		Depart: May 10, 2026

    From

    $243

    Seen: 6 hours ago

    Petersburg (PSG)Seattle (SEA)One-way
    |
    Saver    		Depart: May 11, 2026

    From

    $243

    Seen: 6 hours ago

    Petersburg (PSG)Seattle (SEA)One-way
    |
    Saver    		Depart: Apr 16, 2026

    From

    $243

    Seen: 6 hours ago

    Petersburg (PSG)Seattle (SEA)One-way
    |
    Saver    		Depart: Apr 26, 2026

    From

    $243

    Seen: 6 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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