Southwest® flights from Salt Lake City to Seattle/Tacoma from $135

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Low fares from Salt Lake City to Seattle/Tacoma

$

Salt Lake City (SLC)to

Seattle/Tacoma (SEA)
Depart: 01/05/2027

One-way

Basic

From
$135
Seen: 21 hrs ago

Salt Lake City (SLC)to

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

One-way

Basic

From
$135
Seen: 22 hrs ago

Salt Lake City (SLC)to

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

One-way

Basic

From
$135
Seen: 13 hrs ago

Salt Lake City (SLC)to

Seattle/Tacoma (SEA)
Depart: 11/18/2026

One-way

Basic

From
$135
Seen: 7 hrs ago

Salt Lake City (SLC)to

Seattle/Tacoma (SEA)
Depart: 01/09/2027

One-way

Basic

From
$135
Seen: 3 hrs ago

Salt Lake City (SLC)to

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

One-way

Basic

From
$135
Seen: 17 hrs ago

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Explore flights from Salt Lake City to Seattle/Tacoma

Oct 2026
From$354*
Seen: 9 hrs ago
One Way/Basic
Nov 2026
From$135*
Seen: 12 hrs ago
One Way/Basic
Dec 2026
From$135*
Seen: 18 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $135
cmp-daily-histogram-bars-legend-max-price-aria-label $394
Displaying fares for October-2026
  • SLC–SEA, 10/20/2026: From $394
    20

    Tue

    OCT

  • SLC–SEA, 10/21/2026: From $394
    21

    Wed

  • SLC–SEA, 10/22/2026: From $394
    22

    Thu

  • SLC–SEA: cmp-view-offers-disclaimer. Find Offers
    23

    Fri

  • SLC–SEA, 10/24/2026: From $394
    24

    Sat

  • SLC–SEA, 10/25/2026: From $394
    25

    Sun

  • SLC–SEA, 10/26/2026: From $354
    26

    Mon

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

    Tue

  • SLC–SEA, 10/28/2026: From $354
    28

    Wed

  • SLC–SEA, 10/29/2026: From $354
    29

    Thu

  • SLC–SEA, 10/30/2026: From $354
    30

    Fri

  • SLC–SEA, 10/31/2026: From $354
    31

    Sat

  • SLC–SEA, 11/01/2026: From $354
    01

    Sun

    NOV

  • SLC–SEA, 11/02/2026: From $216
    02

    Mon

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    03

    Tue

  • SLC–SEA: cmp-view-offers-disclaimer. Find Offers
    04

    Wed

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    05

    Thu

  • SLC–SEA, 11/06/2026: From $264
    06

    Fri

  • SLC–SEA, 11/07/2026: From $264
    07

    Sat

  • SLC–SEA: cmp-view-offers-disclaimer. Find Offers
    08

    Sun

  • SLC–SEA, 11/09/2026: From $135
    09

    Mon

  • SLC–SEA: cmp-view-offers-disclaimer. Find Offers
    10

    Tue

  • SLC–SEA: cmp-view-offers-disclaimer. Find Offers
    11

    Wed

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

    Thu

  • SLC–SEA, 11/13/2026: From $168
    13

    Fri

  • SLC–SEA: cmp-view-offers-disclaimer. Find Offers
    14

    Sat

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

    Sun

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

    Mon

  • SLC–SEA: cmp-view-offers-disclaimer. Find Offers
    17

    Tue

  • SLC–SEA, 11/18/2026: From $135
    18

    Wed

  • SLC–SEA, 11/19/2026: From $209
    19

    Thu

    • Range$135-$394

    *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:
    Salt Lake City International Airport
    Arriving at:
    Seattle/Tacoma International Airport
    Distance:
    689 miles

    Questions we hear the most

    There are 155 weekly flights from Salt Lake City to Seattle/Tacoma on Southwest Airlines.
    To find the lowest fares by day and time to fly Salt Lake City 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 Salt Lake City 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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