Flights from San Diego (SAN) to Seattle (SEA) on Alaska Airlines

Lowest fares from San Diego to Seattle

cmp-daily-histogram-bars-legend-min-price-aria-label $80
cmp-daily-histogram-bars-legend-max-price-aria-label $564
Displaying fares for November-2026
  • SAN–SEA, Nov 11, 2026: From $291
    11

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    NOV

  • SAN–SEA, Nov 12, 2026: From $291
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  • SAN–SEA, Nov 13, 2026: From $291
    13

    Fr

  • SAN–SEA, Nov 14, 2026: From $291
    14

    Sa

  • SAN–SEA, Nov 15, 2026: From $291
    15

    Su

  • SAN–SEA, Nov 16, 2026: From $269
    16

    Mo

  • SAN–SEA, Nov 17, 2026: From $269
    17

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  • SAN–SEA, Nov 18, 2026: From $269
    18

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  • SAN–SEA, Nov 19, 2026: From $269
    19

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  • SAN–SEA, Nov 20, 2026: From $269
    20

    Fr

  • SAN–SEA, Nov 21, 2026: From $269
    21

    Sa

  • SAN–SEA, Nov 22, 2026: From $269
    22

    Su

  • SAN–SEA, Nov 23, 2026: From $229
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  • SAN–SEA, Nov 24, 2026: From $244
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  • SAN–SEA, Nov 25, 2026: From $229
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  • SAN–SEA, Nov 26, 2026: From $229
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  • SAN–SEA, Nov 27, 2026: From $244
    27

    Fr

  • SAN–SEA, Nov 28, 2026: From $344
    28

    Sa

  • SAN–SEA, Nov 29, 2026: From $564
    29

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  • SAN–SEA, Nov 30, 2026: From $204
    30

    Mo

  • SAN–SEA, Dec 1, 2026: From $115
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    DEC

  • SAN–SEA, Dec 2, 2026: From $80
    02

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  • SAN–SEA, Dec 3, 2026: From $95
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  • SAN–SEA, Dec 4, 2026: From $105
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    Fr

  • SAN–SEA, Dec 5, 2026: From $80
    05

    Sa

  • SAN–SEA, Dec 6, 2026: From $174
    06

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  • SAN–SEA, Dec 7, 2026: From $115
    07

    Mo

  • SAN–SEA, Dec 8, 2026: From $80
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  • SAN–SEA, Dec 9, 2026: From $80
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  • SAN–SEA, Dec 10, 2026: From $95
    10

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  • Range$80-$564

    One-way low-fare flights San Diego to Seattle.*

    $
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    One-way low-fare flights San Diego to Seattle.*
    From
    To
    Fare Type
    Dates
    Price
    San Diego (SAN)Seattle (SEA)One-way
    |
    Saver
    Depart: Mar 2, 2027

    From

    $80

    Seen: 18 hours ago

    San Diego (SAN)Seattle (SEA)One-way
    |
    Saver
    Depart: Jan 5, 2027

    From

    $80

    Seen: 18 hours ago

    San Diego (SAN)Seattle (SEA)One-way
    |
    Saver
    Depart: Jan 13, 2027

    From

    $80

    Seen: 18 hours ago

    San Diego (SAN)Seattle (SEA)One-way
    |
    Saver
    Depart: Jan 26, 2027

    From

    $80

    Seen: 18 hours ago

    San Diego (SAN)Seattle (SEA)One-way
    |
    Saver
    Depart: Feb 3, 2027

    From

    $80

    Seen: 18 hours ago

    San Diego (SAN)Seattle (SEA)One-way
    |
    Saver
    Depart: Feb 9, 2027

    From

    $80

    Seen: 18 hours ago

    San Diego (SAN)Seattle (SEA)One-way
    |
    Saver
    Depart: Feb 10, 2027

    From

    $80

    Seen: 18 hours ago

    San Diego (SAN)Seattle (SEA)One-way
    |
    Saver
    Depart: Feb 16, 2027

    From

    $80

    Seen: 18 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 San Diego (SAN) to Seattle (SEA)

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

    Want to find the lowest fares by day and time flying from San Diego 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.Â