American Airlines flights from San Diego to Seattle

Recent searches for flights from San Diego to Seattle

Sep 2026
From$334*
Updated: 2 hours ago
Round tripIEconomy
Oct 2026
From$217*
Updated: 18 hours ago
Round tripIEconomy
Nov 2026
From$221*
Updated: 2 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $221
cmp-daily-histogram-bars-legend-max-price-aria-label $685
Displaying fares for September-2026
  • SAN–SEA, 09/14/26 – 09/21/26: From $679
    14

    Mo

    SEP

  • SAN–SEA, 09/15/26 – 09/22/26: From $561
    15

    Tu

  • SAN–SEA, 09/16/26 – 09/23/26: From $561
    16

    We

  • SAN–SEA, 09/17/26 – 09/24/26: From $612
    17

    Th

  • SAN–SEA, 09/18/26 – 09/25/26: From $612
    18

    Fr

  • SAN–SEA, 09/19/26 – 09/26/26: From $561
    19

    Sa

  • SAN–SEA, 09/20/26 – 09/27/26: From $685
    20

    Su

  • SAN–SEA, 09/21/26 – 09/28/26: From $602
    21

    Mo

  • SAN–SEA, 09/22/26 – 09/29/26: From $504
    22

    Tu

  • SAN–SEA, 09/23/26 – 09/30/26: From $504
    23

    We

  • SAN–SEA, 09/24/26 – 10/01/26: From $548
    24

    Th

  • SAN–SEA, 09/25/26 – 10/02/26: From $582
    25

    Fr

  • SAN–SEA, 09/26/26 – 10/03/26: From $504
    26

    Sa

  • SAN–SEA, 09/27/26 – 10/04/26: From $522
    27

    Su

  • SAN–SEA, 09/28/26 – 10/05/26: From $422
    28

    Mo

  • SAN–SEA, 09/29/26 – 10/06/26: From $334
    29

    Tu

  • SAN–SEA, 09/30/26 – 10/07/26: From $334
    30

    We

  • SAN–SEA, 10/01/26 – 10/08/26: From $532
    01

    Th

    OCT

  • SAN–SEA, 10/02/26 – 10/09/26: From $422
    02

    Fr

  • SAN–SEA, 10/03/26 – 10/10/26: From $334
    03

    Sa

  • SAN–SEA, 10/04/26 – 10/11/26: From $573
    04

    Su

  • SAN–SEA, 10/05/26 – 10/12/26: From $407
    05

    Mo

  • SAN–SEA, 10/06/26 – 10/13/26: From $221
    06

    Tu

  • SAN–SEA, 10/07/26 – 10/14/26: From $309
    07

    We

  • SAN–SEA, 10/08/26 – 10/15/26: From $375
    08

    Th

  • SAN–SEA, 10/09/26 – 10/16/26: From $407
    09

    Fr

  • SAN–SEA, 10/10/26 – 10/14/26: From $355
    10

    Sa

  • SAN–SEA, 10/11/26 – 10/18/26: From $607
    11

    Su

  • SAN–SEA: cmp-view-offers-disclaimer. Find Offers
    12

    Mo

  • SAN–SEA: cmp-view-offers-disclaimer. Find Offers
    13

    Tu

    • range$221-$685

    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

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    San Diego (SAN)to

    Seattle (SEA)
    10/14/26 - 10/21/26

    Round trip

    Economy

    from
    $217Fare subject to changes
    Updated: 18 hours ago

    San Diego (SAN)to

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

    Round trip

    Economy

    from
    $221Fare subject to changes
    Updated: 2 hours ago

    San Diego (SAN)to

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

    Round trip

    Economy

    from
    $221Fare subject to changes
    Updated: 2 hours ago

    San Diego (SAN)to

    Seattle (SEA)
    12/05/26 - 12/12/26

    Round trip

    Economy

    from
    $221Fare subject to changes
    Updated: 2 hours ago

    San Diego (SAN)to

    Seattle (SEA)
    11/17/26 - 11/24/26

    Round trip

    Economy

    from
    $221Fare subject to changes
    Updated: 2 hours ago

    San Diego (SAN)to

    Seattle (SEA)
    11/24/26 - 12/01/26

    Round trip

    Economy

    from
    $221Fare subject to changes
    Updated: 2 hours ago

    San Diego (SAN)to

    Seattle (SEA)
    12/02/26 - 12/09/26

    Round trip

    Economy

    from
    $221Fare subject to changes
    Updated: 2 hours ago

    San Diego (SAN)to

    Seattle (SEA)
    11/10/26 - 11/17/26

    Round trip

    Economy

    from
    $221Fare subject to changes
    Updated: 2 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

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    American Airlines flights from San Diego to Seattle