Alaska Airlines Flights from San Francisco to Seattle

Lowest fares from San Francisco to Seattle

Jul 2026
From$209*
Seen: 23 hours ago
Flight Type One Way|Saver
Aug 2026
From$79*
Seen: 23 hours ago
Flight Type One Way|Saver
Sep 2026
From$79*
Seen: 23 hours ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $79
cmp-daily-histogram-bars-legend-max-price-aria-label $419
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    • Range$79-$419

    *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 San Francisco to Seattle.*

    $
    keyboard_arrow_down
    One-way low-fare flights San Francisco to Seattle.*
    From
    To
    Fare Type
    Dates
    Price
    San Francisco (SFO)Seattle (SEA)One-way
    |
    Saver    		Depart: Oct 14, 2026

    From

    $79

    Seen: 23 hours ago

    San Francisco (SFO)Seattle (SEA)One-way
    |
    Saver    		Depart: Oct 21, 2026

    From

    $79

    Seen: 23 hours ago

    San Francisco (SFO)Seattle (SEA)One-way
    |
    Saver    		Depart: Nov 4, 2026

    From

    $79

    Seen: 23 hours ago

    San Francisco (SFO)Seattle (SEA)One-way
    |
    Saver    		Depart: Dec 8, 2026

    From

    $79

    Seen: 23 hours ago

    San Francisco (SFO)Seattle (SEA)One-way
    |
    Saver    		Depart: Aug 24, 2026

    From

    $79

    Seen: 23 hours ago

    San Francisco (SFO)Seattle (SEA)One-way
    |
    Saver    		Depart: Aug 31, 2026

    From

    $79

    Seen: 23 hours ago

    San Francisco (SFO)Seattle (SEA)One-way
    |
    Saver    		Depart: Sep 12, 2026

    From

    $79

    Seen: 23 hours ago

    San Francisco (SFO)Seattle (SEA)One-way
    |
    Saver    		Depart: Sep 19, 2026

    From

    $79

    Seen: 23 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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