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

Lowest fares from Seattle to San Diego

Nov 2026
From$254*
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 $609
Displaying fares for November-2026
  • SEA–SAN, Nov 14, 2026: From $301
    14

    Sa

    NOV

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

    Su

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

    Mo

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

    Tu

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

    We

  • SEA–SAN, Nov 19, 2026: From $279
    19

    Th

  • SEA–SAN, Nov 20, 2026: From $279
    20

    Fr

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

    Sa

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

    Su

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

    Mo

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

    Tu

  • SEA–SAN, Nov 25, 2026: From $346
    25

    We

  • SEA–SAN, Nov 26, 2026: From $254
    26

    Th

  • SEA–SAN, Nov 27, 2026: From $254
    27

    Fr

  • SEA–SAN, Nov 28, 2026: From $346
    28

    Sa

  • SEA–SAN, Nov 29, 2026: From $609
    29

    Su

  • SEA–SAN, Nov 30, 2026: From $339
    30

    Mo

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

    Tu

    DEC

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

    We

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

    Th

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

    Fr

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

    Sa

  • SEA–SAN, Dec 6, 2026: From $84
    06

    Su

  • SEA–SAN, Dec 7, 2026: From $84
    07

    Mo

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

    Tu

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

    We

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

    Th

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

    Fr

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

    Sa

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

    Su

    • Range$84-$609

    *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 Seattle to San Diego.*

    $
    keyboard_arrow_down
    One-way low-fare flights Seattle to San Diego.*
    From
    To
    Fare Type
    Dates
    Price
    Seattle (SEA)San Diego (SAN)One-way
    |
    Saver    		Depart: Dec 8, 2026

    From

    $84

    Seen: 17 hours ago

    Seattle (SEA)San Diego (SAN)One-way
    |
    Saver    		Depart: Dec 12, 2026

    From

    $84

    Seen: 17 hours ago

    Seattle (SEA)San Diego (SAN)One-way
    |
    Saver    		Depart: Dec 13, 2026

    From

    $84

    Seen: 17 hours ago

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

    From

    $84

    Seen: 17 hours ago

    Seattle (SEA)San Diego (SAN)One-way
    |
    Saver    		Depart: Dec 6, 2026

    From

    $84

    Seen: 17 hours ago

    Seattle (SEA)San Diego (SAN)One-way
    |
    Saver    		Depart: Dec 7, 2026

    From

    $84

    Seen: 17 hours ago

    Seattle (SEA)San Diego (SAN)One-way
    |
    Saver    		Depart: Dec 14, 2026

    From

    $84

    Seen: 17 hours ago

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

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

    Want to find the lowest fares by day and time flying from Seattle to San Diego on Alaska Airlines or Hawaiian Airlines? Check out our flight search widget.

    Can I earn points on my flight to San Diego?

    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 San Diego International Airport?

    Yes, you can rent a car at San Diego International Airport. Check availability and book now

    Where can I find the status of my flight to San Diego?

    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 San Diego?

    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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