Southwest® flights from San Diego to Seattle/Tacoma from $79

Promo Code

Low fares from San Diego to Seattle/Tacoma

$

San Diego (SAN)to

Seattle/Tacoma (SEA)
Depart: 11/13/2026

One-way

Basic

From
$79
Seen: 1 hour ago

San Diego (SAN)to

Seattle/Tacoma (SEA)
Depart: 12/12/2026

One-way

Basic

From
$79
Seen: 5 hrs ago

San Diego (SAN)to

Seattle/Tacoma (SEA)
Depart: 01/14/2027

One-way

Basic

From
$79
Seen: 4 hrs ago

San Diego (SAN)to

Seattle/Tacoma (SEA)
Depart: 11/17/2026

One-way

Basic

From
$79
Seen: 2 hrs ago

San Diego (SAN)to

Seattle/Tacoma (SEA)
Depart: 12/24/2026

One-way

Basic

From
$79
Seen: 2 hrs ago

San Diego (SAN)to

Seattle/Tacoma (SEA)
Depart: 12/14/2026

One-way

Basic

From
$79
Seen: 5 hrs ago

Looking for more low-fare flights?

Check out the Low Fare Calendar to find a fare that works for you. Just choose the month you want to depart and return, and we’ll show you the best fares available.

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Explore flights from San Diego to Seattle/Tacoma

Oct 2026
From$299*
Seen: 13 hrs ago
One Way/Basic
Nov 2026
From$79*
Seen: 1 hour ago
One Way/Basic
Dec 2026
From$79*
Seen: 3 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $79
cmp-daily-histogram-bars-legend-max-price-aria-label $344
Displaying fares for October-2026
  • SAN–SEA, 10/24/2026: From $326
    24

    Sat

    OCT

  • SAN–SEA, 10/25/2026: From $326
    25

    Sun

  • SAN–SEA, 10/26/2026: From $326
    26

    Mon

  • SAN–SEA, 10/27/2026: From $326
    27

    Tue

  • SAN–SEA, 10/28/2026: From $326
    28

    Wed

  • SAN–SEA, 10/29/2026: From $326
    29

    Thu

  • SAN–SEA, 10/30/2026: From $299
    30

    Fri

  • SAN–SEA, 10/31/2026: From $299
    31

    Sat

  • SAN–SEA, 11/01/2026: From $299
    01

    Sun

    NOV

  • SAN–SEA, 11/02/2026: From $299
    02

    Mon

  • SAN–SEA, 11/03/2026: From $344
    03

    Tue

  • SAN–SEA, 11/04/2026: From $299
    04

    Wed

  • SAN–SEA, 11/05/2026: From $299
    05

    Thu

  • SAN–SEA, 11/06/2026: From $224
    06

    Fri

  • SAN–SEA, 11/07/2026: From $224
    07

    Sat

  • SAN–SEA, 11/08/2026: From $224
    08

    Sun

  • SAN–SEA, 11/09/2026: From $124
    09

    Mon

  • SAN–SEA, 11/10/2026: From $114
    10

    Tue

  • SAN–SEA, 11/11/2026: From $114
    11

    Wed

  • SAN–SEA, 11/12/2026: From $114
    12

    Thu

  • SAN–SEA, 11/13/2026: From $79
    13

    Fri

  • SAN–SEA, 11/14/2026: From $79
    14

    Sat

  • SAN–SEA, 11/15/2026: From $245
    15

    Sun

  • SAN–SEA: cmp-view-offers-disclaimer. Find Offers
    16

    Mon

  • SAN–SEA, 11/17/2026: From $79
    17

    Tue

  • SAN–SEA, 11/18/2026: From $107
    18

    Wed

  • SAN–SEA, 11/19/2026: From $107
    19

    Thu

  • SAN–SEA, 11/20/2026: From $146
    20

    Fri

  • SAN–SEA, 11/21/2026: From $141
    21

    Sat

  • SAN–SEA, 11/22/2026: From $169
    22

    Sun

  • SAN–SEA, 11/23/2026: From $124
    23

    Mon

    • Range$79-$344

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

    Flight Details

    Departing from:
    San Diego International Airport
    Arriving at:
    Seattle/Tacoma International Airport
    Distance:
    1050 miles

    Questions we hear the most

    There are 152 weekly flights from San Diego to Seattle/Tacoma on Southwest Airlines.
    To find the lowest fares by day and time to fly San Diego to Seattle/Tacoma with Southwest, check out our Low Fare Calendar.
    You can rent a car at Seattle/Tacoma International Airport book yours with your flight.
    Yes! Flights from San Diego to Seattle/Tacoma—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
    Check the status of your upcoming Southwest flight.
    Check out the Southwest Airlines® Help Center for answers about everything Southwest.

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