Southwest® flights from Salt Lake City to Seattle/Tacoma from $81

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Low fares from Salt Lake City to Seattle/Tacoma

$

Salt Lake City (SLC)to

Seattle/Tacoma (SEA)
Depart: 10/08/2026

One-way

Basic

From
$81
Seen: 21 hrs ago

Salt Lake City (SLC)to

Seattle/Tacoma (SEA)
Depart: 10/08/2026

One-way

Choice

From
$104
Seen: 21 hrs ago

Salt Lake City (SLC)to

Seattle/Tacoma (SEA)
Depart: 10/17/2026

One-way

Basic

From
$139
Seen: 2 hrs ago

Salt Lake City (SLC)to

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

One-way

Basic

From
$139
Seen: 7 hrs ago

Salt Lake City (SLC)to

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

One-way

Basic

From
$139
Seen: 7 hrs ago

Salt Lake City (SLC)to

Seattle/Tacoma (SEA)
Depart: 10/20/2026

One-way

Basic

From
$139
Seen: 19 hrs ago

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Explore flights from Salt Lake City to Seattle/Tacoma

Sep 2026
From$189*
Seen: 5 hrs ago
One Way/Basic
Oct 2026
From$81*
Seen: 21 hrs ago
One Way/Basic
Nov 2026
From$139*
Seen: 7 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $81
cmp-daily-histogram-bars-legend-max-price-aria-label $394
Displaying fares for September-2026
  • SLC–SEA: cmp-view-offers-disclaimer. Find Offers
    10

    Thu

    SEP

  • SLC–SEA, 09/11/2026: From $394
    11

    Fri

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

    Sat

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

    Sun

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

    Mon

  • SLC–SEA, 09/15/2026: From $324
    15

    Tue

  • SLC–SEA, 09/16/2026: From $324
    16

    Wed

  • SLC–SEA, 09/17/2026: From $324
    17

    Thu

  • SLC–SEA: cmp-view-offers-disclaimer. Find Offers
    18

    Fri

  • SLC–SEA, 09/19/2026: From $324
    19

    Sat

  • SLC–SEA: cmp-view-offers-disclaimer. Find Offers
    20

    Sun

  • SLC–SEA: cmp-view-offers-disclaimer. Find Offers
    21

    Mon

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

    Tue

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

    Wed

  • SLC–SEA, 09/24/2026: From $244
    24

    Thu

  • SLC–SEA: cmp-view-offers-disclaimer. Find Offers
    25

    Fri

  • SLC–SEA: cmp-view-offers-disclaimer. Find Offers
    26

    Sat

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

    Sun

  • SLC–SEA: cmp-view-offers-disclaimer. Find Offers
    28

    Mon

  • SLC–SEA, 09/29/2026: From $244
    29

    Tue

  • SLC–SEA, 09/30/2026: From $189
    30

    Wed

  • SLC–SEA, 10/01/2026: From $189
    01

    Thu

    OCT

  • SLC–SEA, 10/02/2026: From $224
    02

    Fri

  • SLC–SEA, 10/03/2026: From $224
    03

    Sat

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

    Sun

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    05

    Mon

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

    Tue

  • SLC–SEA, 10/07/2026: From $189
    07

    Wed

  • SLC–SEA, 10/08/2026: From $81
    08

    Thu

  • SLC–SEA, 10/09/2026: From $229
    09

    Fri

    • Range$81-$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

    Route Information

    155† Weekly flights

    † Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.

    ‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.

    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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