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

Lowest fares from San Diego to Seattle

Nov 2026
From$279*
Seen: 17 hours ago
Flight Type One Way|Saver
Dec 2026
From$84*
Seen: 17 hours ago
Flight Type One Way|Saver
Jan 2027
From$90*
Seen: 17 hours ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $84
cmp-daily-histogram-bars-legend-max-price-aria-label $569
Displaying fares for November-2026
  • SAN–SEA, Nov 14, 2026: From $301
    14

    Sa

    NOV

  • SAN–SEA, Nov 15, 2026: From $301
    15

    Su

  • SAN–SEA, Nov 16, 2026: From $301
    16

    Mo

  • SAN–SEA, Nov 17, 2026: From $301
    17

    Tu

  • SAN–SEA, Nov 18, 2026: From $301
    18

    We

  • SAN–SEA, Nov 19, 2026: From $301
    19

    Th

  • SAN–SEA, Nov 20, 2026: From $324
    20

    Fr

  • SAN–SEA, Nov 21, 2026: From $279
    21

    Sa

  • SAN–SEA, Nov 22, 2026: From $279
    22

    Su

  • SAN–SEA, Nov 23, 2026: From $279
    23

    Mo

  • SAN–SEA, Nov 24, 2026: From $285
    24

    Tu

  • SAN–SEA, Nov 25, 2026: From $279
    25

    We

  • SAN–SEA, Nov 26, 2026: From $279
    26

    Th

  • SAN–SEA, Nov 27, 2026: From $284
    27

    Fr

  • SAN–SEA, Nov 28, 2026: From $459
    28

    Sa

  • SAN–SEA, Nov 29, 2026: From $569
    29

    Su

  • SAN–SEA, Nov 30, 2026: From $284
    30

    Mo

  • SAN–SEA, Dec 1, 2026: From $239
    01

    Tu

    DEC

  • SAN–SEA, Dec 2, 2026: From $239
    02

    We

  • SAN–SEA, Dec 3, 2026: From $84
    03

    Th

  • SAN–SEA, Dec 4, 2026: From $84
    04

    Fr

  • SAN–SEA, Dec 5, 2026: From $84
    05

    Sa

  • SAN–SEA, Dec 6, 2026: From $184
    06

    Su

  • SAN–SEA, Dec 7, 2026: From $119
    07

    Mo

  • SAN–SEA, Dec 8, 2026: From $84
    08

    Tu

  • SAN–SEA, Dec 9, 2026: From $84
    09

    We

  • SAN–SEA, Dec 10, 2026: From $84
    10

    Th

  • SAN–SEA, Dec 11, 2026: From $84
    11

    Fr

  • SAN–SEA, Dec 12, 2026: From $84
    12

    Sa

  • SAN–SEA, Dec 13, 2026: From $84
    13

    Su

    • Range$84-$569

    *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 Diego to Seattle.*

    $
    keyboard_arrow_down
    One-way low-fare flights San Diego to Seattle.*
    From
    To
    Fare Type
    Dates
    Price
    San Diego (SAN)Seattle (SEA)One-way
    |
    Saver    		Depart: Dec 3, 2026

    From

    $84

    Seen: 17 hours ago

    San Diego (SAN)Seattle (SEA)One-way
    |
    Saver    		Depart: Dec 10, 2026

    From

    $84

    Seen: 17 hours ago

    San Diego (SAN)Seattle (SEA)One-way
    |
    Saver    		Depart: Dec 11, 2026

    From

    $84

    Seen: 17 hours ago

    San Diego (SAN)Seattle (SEA)One-way
    |
    Saver    		Depart: Dec 15, 2026

    From

    $84

    Seen: 17 hours ago

    San Diego (SAN)Seattle (SEA)One-way
    |
    Saver    		Depart: Dec 16, 2026

    From

    $84

    Seen: 17 hours ago

    San Diego (SAN)Seattle (SEA)One-way
    |
    Saver    		Depart: Dec 4, 2026

    From

    $84

    Seen: 17 hours ago

    San Diego (SAN)Seattle (SEA)One-way
    |
    Saver    		Depart: Dec 5, 2026

    From

    $84

    Seen: 17 hours ago

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

    From

    $84

    Seen: 17 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. 

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