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

Lowest fares from San Diego to Seattle

Oct 2026
From$224*
Seen: 11 hours ago
Flight Type One Way|Saver
Nov 2026
From$79*
Seen: 11 hours ago
Flight Type One Way|Saver
Dec 2026
From$79*
Seen: 11 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 $326
Displaying fares for October-2026
  • SAN–SEA, Oct 15, 2026: From $326
    15

    Th

    OCT

  • SAN–SEA, Oct 16, 2026: From $326
    16

    Fr

  • SAN–SEA, Oct 17, 2026: From $326
    17

    Sa

  • SAN–SEA, Oct 18, 2026: From $326
    18

    Su

  • SAN–SEA, Oct 19, 2026: From $326
    19

    Mo

  • SAN–SEA, Oct 20, 2026: From $326
    20

    Tu

  • SAN–SEA, Oct 21, 2026: From $299
    21

    We

  • SAN–SEA, Oct 22, 2026: From $299
    22

    Th

  • SAN–SEA, Oct 23, 2026: From $299
    23

    Fr

  • SAN–SEA, Oct 24, 2026: From $299
    24

    Sa

  • SAN–SEA, Oct 25, 2026: From $299
    25

    Su

  • SAN–SEA, Oct 26, 2026: From $299
    26

    Mo

  • SAN–SEA, Oct 27, 2026: From $299
    27

    Tu

  • SAN–SEA, Oct 28, 2026: From $224
    28

    We

  • SAN–SEA, Oct 29, 2026: From $224
    29

    Th

  • SAN–SEA, Oct 30, 2026: From $224
    30

    Fr

  • SAN–SEA, Oct 31, 2026: From $224
    31

    Sa

  • SAN–SEA, Nov 1, 2026: From $224
    01

    Su

    NOV

  • SAN–SEA, Nov 2, 2026: From $224
    02

    Mo

  • SAN–SEA, Nov 3, 2026: From $224
    03

    Tu

  • SAN–SEA, Nov 4, 2026: From $79
    04

    We

  • SAN–SEA, Nov 5, 2026: From $109
    05

    Th

  • SAN–SEA, Nov 6, 2026: From $79
    06

    Fr

  • SAN–SEA, Nov 7, 2026: From $79
    07

    Sa

  • SAN–SEA, Nov 8, 2026: From $139
    08

    Su

  • SAN–SEA, Nov 9, 2026: From $79
    09

    Mo

  • SAN–SEA, Nov 10, 2026: From $79
    10

    Tu

  • SAN–SEA, Nov 11, 2026: From $79
    11

    We

  • SAN–SEA, Nov 12, 2026: From $79
    12

    Th

  • SAN–SEA, Nov 13, 2026: From $79
    13

    Fr

  • SAN–SEA, Nov 14, 2026: From $79
    14

    Sa

    • Range$79-$326

    *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: Nov 10, 2026

    From

    $79

    Seen: 11 hours ago

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

    From

    $79

    Seen: 11 hours ago

    San Diego (SAN)Seattle (SEA)One-way
    |
    Saver    		Depart: Nov 17, 2026

    From

    $79

    Seen: 11 hours ago

    San Diego (SAN)Seattle (SEA)One-way
    |
    Saver    		Depart: Dec 3, 2026

    From

    $79

    Seen: 11 hours ago

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

    From

    $79

    Seen: 11 hours ago

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

    From

    $79

    Seen: 11 hours ago

    San Diego (SAN)Seattle (SEA)One-way
    |
    Saver    		Depart: Jan 7, 2027

    From

    $79

    Seen: 11 hours ago

    San Diego (SAN)Seattle (SEA)One-way
    |
    Saver    		Depart: Jan 11, 2027

    From

    $79

    Seen: 11 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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