Southwest® flights from Austin to Seattle/Tacoma from $165

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Low fares from Austin to Seattle/Tacoma

$

Austin (AUS)to

Seattle/Tacoma (SEA)
Depart: 01/16/2027

One-way

Basic

From
$165
Seen: 23 hrs ago

Austin (AUS)to

Seattle/Tacoma (SEA)
Depart: 12/15/2026

One-way

Basic

From
$165
Seen: 11 hrs ago

Austin (AUS)to

Seattle/Tacoma (SEA)
Depart: 12/16/2026

One-way

Basic

From
$165
Seen: 20 hrs ago

Austin (AUS)to

Seattle/Tacoma (SEA)
Depart: 12/09/2026

One-way

Basic

From
$165
Seen: 10 hrs ago

Austin (AUS)to

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

One-way

Basic

From
$165
Seen: 19 hrs ago

Austin (AUS)to

Seattle/Tacoma (SEA)
Depart: 01/13/2027

One-way

Basic

From
$170
Seen: 6 hrs ago

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Explore flights from Austin to Seattle/Tacoma

Nov 2026
From$374*
Seen: 19 hrs ago
One Way/Basic
Dec 2026
From$165*
Seen: 20 hrs ago
One Way/Basic
Jan 2027
From$165*
Seen: 23 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $165
cmp-daily-histogram-bars-legend-max-price-aria-label $489
Displaying fares for November-2026
  • AUS–SEA, 11/13/2026: From $489
    13

    Fri

    NOV

  • AUS–SEA, 11/14/2026: From $489
    14

    Sat

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

    Sun

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

    Mon

  • AUS–SEA, 11/17/2026: From $489
    17

    Tue

  • AUS–SEA, 11/18/2026: From $489
    18

    Wed

  • AUS–SEA, 11/19/2026: From $394
    19

    Thu

  • AUS–SEA, 11/20/2026: From $394
    20

    Fri

  • AUS–SEA, 11/21/2026: From $394
    21

    Sat

  • AUS–SEA, 11/22/2026: From $394
    22

    Sun

  • AUS–SEA, 11/23/2026: From $394
    23

    Mon

  • AUS–SEA, 11/24/2026: From $394
    24

    Tue

  • AUS–SEA, 11/25/2026: From $389
    25

    Wed

  • AUS–SEA, 11/26/2026: From $404
    26

    Thu

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

    Fri

  • AUS–SEA, 11/28/2026: From $405
    28

    Sat

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

    Sun

  • AUS–SEA, 11/30/2026: From $374
    30

    Mon

  • AUS–SEA, 12/01/2026: From $219
    01

    Tue

    DEC

  • AUS–SEA, 12/02/2026: From $209
    02

    Wed

  • AUS–SEA, 12/03/2026: From $209
    03

    Thu

  • AUS–SEA, 12/04/2026: From $205
    04

    Fri

  • AUS–SEA, 12/05/2026: From $185
    05

    Sat

  • AUS–SEA, 12/06/2026: From $219
    06

    Sun

  • AUS–SEA, 12/07/2026: From $185
    07

    Mon

  • AUS–SEA, 12/08/2026: From $165
    08

    Tue

  • AUS–SEA, 12/09/2026: From $165
    09

    Wed

  • AUS–SEA, 12/10/2026: From $185
    10

    Thu

  • AUS–SEA, 12/11/2026: From $205
    11

    Fri

  • AUS–SEA, 12/12/2026: From $185
    12

    Sat

    • Range$165-$489

    *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:
    Austin-Bergstrom International Airport
    Arriving at:
    Seattle/Tacoma International Airport
    Distance:
    1770 miles

    Questions we hear the most

    There are 143 weekly flights from Austin to Seattle/Tacoma on Southwest Airlines.
    To find the lowest fares by day and time to fly Austin 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 Austin 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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