American Airlines flights from San Diego to Seattle

Recent searches for flights from San Diego to Seattle

Aug 2026
From$292*
Updated: 4 hours ago
Round tripIEconomy
Sep 2026
From$257*
Updated: 4 hours ago
Round tripIEconomy
Oct 2026
From$257*
Updated: 4 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $292
cmp-daily-histogram-bars-legend-max-price-aria-label $717
Displaying fares for August-2026
  • SAN–SEA, 08/05/26 – 08/12/26: From $687
    05

    We

    AUG

  • SAN–SEA, 08/06/26 – 08/13/26: From $687
    06

    Th

  • SAN–SEA, 08/07/26 – 08/14/26: From $707
    07

    Fr

  • SAN–SEA, 08/08/26 – 08/15/26: From $707
    08

    Sa

  • SAN–SEA, 08/09/26 – 08/16/26: From $717
    09

    Su

  • SAN–SEA, 08/10/26 – 08/17/26: From $707
    10

    Mo

  • SAN–SEA, 08/11/26 – 08/16/26: From $627
    11

    Tu

  • SAN–SEA, 08/12/26 – 08/19/26: From $562
    12

    We

  • SAN–SEA, 08/13/26 – 08/20/26: From $607
    13

    Th

  • SAN–SEA, 08/14/26 – 08/21/26: From $612
    14

    Fr

  • SAN–SEA, 08/15/26 – 08/22/26: From $527
    15

    Sa

  • SAN–SEA, 08/16/26 – 08/23/26: From $627
    16

    Su

  • SAN–SEA, 08/17/26 – 08/24/26: From $482
    17

    Mo

  • SAN–SEA, 08/18/26 – 08/25/26: From $332
    18

    Tu

  • SAN–SEA, 08/19/26 – 08/26/26: From $332
    19

    We

  • SAN–SEA, 08/20/26 – 08/27/26: From $332
    20

    Th

  • SAN–SEA, 08/21/26 – 08/28/26: From $477
    21

    Fr

  • SAN–SEA, 08/22/26 – 08/29/26: From $417
    22

    Sa

  • SAN–SEA, 08/23/26 – 08/30/26: From $432
    23

    Su

  • SAN–SEA, 08/24/26 – 08/31/26: From $332
    24

    Mo

  • SAN–SEA, 08/25/26 – 09/01/26: From $332
    25

    Tu

  • SAN–SEA, 08/26/26 – 09/02/26: From $327
    26

    We

  • SAN–SEA, 08/27/26 – 09/03/26: From $346
    27

    Th

  • SAN–SEA, 08/28/26 – 09/04/26: From $406
    28

    Fr

  • SAN–SEA, 08/29/26 – 09/05/26: From $292
    29

    Sa

  • SAN–SEA, 08/30/26 – 09/06/26: From $337
    30

    Su

  • SAN–SEA, 08/31/26 – 09/07/26: From $469
    31

    Mo

  • SAN–SEA, 09/01/26 – 09/08/26: From $327
    01

    Tu

    SEP

  • SAN–SEA: cmp-view-offers-disclaimer. Find Offers
    02

    We

  • SAN–SEA, 09/03/26 – 09/10/26: From $417
    03

    Th

  • SAN–SEA, 09/04/26 – 09/11/26: From $497
    04

    Fr

    • range$292-$717

    DisclaimerFares displayed have been collected within the last 24hrs and may no longer be available at time of booking. Modifying this information may result in a different fare. To find the most updated fare, please visit aa.com. Fares listed may be Basic Economy, which class is subject to additional terms and conditions. Additional baggage fees and charges for optional products and services may apply.

    Find deals on San Diego to Seattle flights

    $
    keyboard_arrow_down

    San Diego (SAN)to

    Seattle (SEA)
    10/20/26 - 10/27/26

    Round trip

    Economy

    from
    $257Fare subject to changes
    Updated: 4 hours ago

    San Diego (SAN)to

    Seattle (SEA)
    10/24/26 - 10/31/26

    Round trip

    Economy

    from
    $257Fare subject to changes
    Updated: 4 hours ago

    San Diego (SAN)to

    Seattle (SEA)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $257Fare subject to changes
    Updated: 4 hours ago

    San Diego (SAN)to

    Seattle (SEA)
    09/16/26 - 09/23/26

    Round trip

    Economy

    from
    $257Fare subject to changes
    Updated: 4 hours ago

    San Diego (SAN)to

    Seattle (SEA)
    09/19/26 - 09/26/26

    Round trip

    Economy

    from
    $257Fare subject to changes
    Updated: 4 hours ago

    San Diego (SAN)to

    Seattle (SEA)
    09/30/26 - 10/07/26

    Round trip

    Economy

    from
    $257Fare subject to changes
    Updated: 4 hours ago

    San Diego (SAN)to

    Seattle (SEA)
    10/21/26 - 10/28/26

    Round trip

    Economy

    from
    $257Fare subject to changes
    Updated: 4 hours ago

    San Diego (SAN)to

    Seattle (SEA)
    10/28/26 - 11/04/26

    Round trip

    Economy

    from
    $257Fare subject to changes
    Updated: 4 hours ago

    *Fares displayed have been collected within the last 24hrs and may no longer be available at time of booking. Some fares listed may include one or more connections that are Basic Economy, which class is subject to additional terms and conditions. Modifying this information may result in a different fare. To find the most updated fare, please visit aa.com. Additional baggage fees and charges for optional products and services may apply.

    Finding cheap flights from San Diego to Seattle

    Looking for lower fares on your trip from San Diego to Seattle? Here are a few ways to save.

    • Book early: Booking 1 to 3 months ahead can help you find lower fares
    • Be flexible with dates: Midweek travel, like Tuesdays and Wednesdays, can be more affordable
    • Travel during less busy periods: Flying outside peak travel times can help find lower fares and avoid crowds

    Earn up to $500 back on your next American Airlines flight plus, 30,000 bonus miles. Offers vary elsewhere. Opens another site in a new window that may not meet accessibility guidelines.

    Upgrade your flight with Main Cabin Extra

    Make your trip more comfortable with Main Cabin Extra. Enjoy benefits like:

    • Extra legroom: More space with seats at the front of the Main Cabin or in exit rows.
    • Early boarding: Preferred Group 5 boarding allows easier access to overhead bins.
    • Complimentary drinks: Enjoy beer, wine and spirits on flights with full beverage service.

    Discover how Main Cabin Extra can enhance your trip.

    American Airlines flights from San Diego to Seattle