Southwest® flights from San Francisco to Seattle/Tacoma from $71

Promo Code

Low fares from San Francisco to Seattle/Tacoma

$

San Francisco (SFO)to

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

One-way

Basic

From
$71
Seen: 20 hrs ago

San Francisco (SFO)to

Seattle/Tacoma (SEA)
Depart: 12/08/2026

One-way

Basic

From
$76
Seen: 16 hrs ago

San Francisco (SFO)to

Seattle/Tacoma (SEA)
Depart: 12/04/2026

One-way

Basic

From
$76
Seen: 18 hrs ago

San Francisco (SFO)to

Seattle/Tacoma (SEA)
Depart: 12/13/2026

One-way

Basic

From
$76
Seen: 19 hrs ago

San Francisco (SFO)to

Seattle/Tacoma (SEA)
Depart: 12/11/2026

One-way

Basic

From
$76
Seen: 2 hrs ago

San Francisco (SFO)to

Seattle/Tacoma (SEA)
Depart: 12/10/2026

One-way

Basic

From
$76
Seen: 12 hrs ago

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Explore flights from San Francisco to Seattle/Tacoma

Nov 2026
From$252*
Seen: 19 hrs ago
One Way/Basic
Dec 2026
From$71*
Seen: 20 hrs ago
One Way/Basic
Jan 2027
From$95*
Seen: 8 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $76
cmp-daily-histogram-bars-legend-max-price-aria-label $404
Displaying fares for November-2026
  • SFO–SEA, 11/12/2026: From $404
    12

    Thu

    NOV

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

    Fri

  • SFO–SEA, 11/14/2026: From $404
    14

    Sat

  • SFO–SEA: cmp-view-offers-disclaimer. Find Offers
    15

    Sun

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

    Mon

  • SFO–SEA, 11/17/2026: From $322
    17

    Tue

  • SFO–SEA, 11/18/2026: From $322
    18

    Wed

  • SFO–SEA, 11/19/2026: From $322
    19

    Thu

  • SFO–SEA, 11/20/2026: From $322
    20

    Fri

  • SFO–SEA, 11/21/2026: From $322
    21

    Sat

  • SFO–SEA: cmp-view-offers-disclaimer. Find Offers
    22

    Sun

  • SFO–SEA, 11/23/2026: From $322
    23

    Mon

  • SFO–SEA, 11/24/2026: From $322
    24

    Tue

  • SFO–SEA, 11/25/2026: From $252
    25

    Wed

  • SFO–SEA, 11/26/2026: From $252
    26

    Thu

  • SFO–SEA: cmp-view-offers-disclaimer. Find Offers
    27

    Fri

  • SFO–SEA, 11/28/2026: From $293
    28

    Sat

  • SFO–SEA: cmp-view-offers-disclaimer. Find Offers
    29

    Sun

  • SFO–SEA: cmp-view-offers-disclaimer. Find Offers
    30

    Mon

  • SFO–SEA, 12/01/2026: From $252
    01

    Tue

    DEC

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

    Wed

  • SFO–SEA: cmp-view-offers-disclaimer. Find Offers
    03

    Thu

  • SFO–SEA, 12/04/2026: From $76
    04

    Fri

  • SFO–SEA: cmp-view-offers-disclaimer. Find Offers
    05

    Sat

  • SFO–SEA: cmp-view-offers-disclaimer. Find Offers
    06

    Sun

  • SFO–SEA: cmp-view-offers-disclaimer. Find Offers
    07

    Mon

  • SFO–SEA, 12/08/2026: From $76
    08

    Tue

  • SFO–SEA: cmp-view-offers-disclaimer. Find Offers
    09

    Wed

  • SFO–SEA, 12/10/2026: From $76
    10

    Thu

  • SFO–SEA, 12/11/2026: From $76
    11

    Fri

    • Range$76-$404

    *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 Francisco International Airport
    Arriving at:
    Seattle/Tacoma International Airport
    Distance:
    679 miles

    Questions we hear the most

    There are 80 weekly flights from San Francisco to Seattle/Tacoma on Southwest Airlines.
    To find the lowest fares by day and time to fly San Francisco 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 Francisco 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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