Southwest® flights from Los Angeles to Seattle/Tacoma from $119

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Low fares from Los Angeles to Seattle/Tacoma

$

Los Angeles (LAX)to

Seattle/Tacoma (SEA)
Depart: 09/30/2026

One-way

Basic

From
$119
Seen: 20 hrs ago

Los Angeles (LAX)to

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

One-way

Basic

From
$124
Seen: 20 hrs ago

Los Angeles (LAX)to

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

One-way

Basic

From
$124
Seen: 2 hrs ago

Los Angeles (LAX)to

Seattle/Tacoma (SEA)
Depart: 10/13/2026

One-way

Basic

From
$124
Seen: 22 hrs ago

Los Angeles (LAX)to

Seattle/Tacoma (SEA)
Depart: 11/10/2026

One-way

Basic

From
$124
Seen: 5 hrs ago

Los Angeles (LAX)to

Seattle/Tacoma (SEA)
Depart: 11/07/2026

One-way

Basic

From
$124
Seen: 14 hrs ago

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Explore flights from Los Angeles to Seattle/Tacoma

Aug 2026
From$257*
Seen: 11 hrs ago
One Way/Basic
Sep 2026
From$119*
Seen: 20 hrs ago
One Way/Basic
Oct 2026
From$124*
Seen: 6 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $139
cmp-daily-histogram-bars-legend-max-price-aria-label $303
Displaying fares for August-2026
  • LAX–SEA, 08/26/2026: From $257
    26

    Wed

    AUG

  • LAX–SEA, 08/27/2026: From $303
    27

    Thu

  • LAX–SEA, 08/28/2026: From $303
    28

    Fri

  • LAX–SEA, 08/29/2026: From $262
    29

    Sat

  • LAX–SEA, 08/30/2026: From $303
    30

    Sun

  • LAX–SEA, 08/31/2026: From $303
    31

    Mon

  • LAX–SEA, 09/01/2026: From $257
    01

    Tue

    SEP

  • LAX–SEA, 09/02/2026: From $198
    02

    Wed

  • LAX–SEA, 09/03/2026: From $278
    03

    Thu

  • LAX–SEA, 09/04/2026: From $303
    04

    Fri

  • LAX–SEA, 09/05/2026: From $198
    05

    Sat

  • LAX–SEA, 09/06/2026: From $193
    06

    Sun

  • LAX–SEA, 09/07/2026: From $303
    07

    Mon

  • LAX–SEA, 09/08/2026: From $193
    08

    Tue

  • LAX–SEA, 09/09/2026: From $193
    09

    Wed

  • LAX–SEA, 09/10/2026: From $198
    10

    Thu

  • LAX–SEA, 09/11/2026: From $198
    11

    Fri

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

    Sat

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

    Sun

  • LAX–SEA, 09/14/2026: From $198
    14

    Mon

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

    Tue

  • LAX–SEA, 09/16/2026: From $159
    16

    Wed

  • LAX–SEA, 09/17/2026: From $164
    17

    Thu

  • LAX–SEA, 09/18/2026: From $183
    18

    Fri

  • LAX–SEA, 09/19/2026: From $164
    19

    Sat

  • LAX–SEA, 09/20/2026: From $189
    20

    Sun

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

    Mon

  • LAX–SEA, 09/22/2026: From $159
    22

    Tue

  • LAX–SEA, 09/23/2026: From $159
    23

    Wed

  • LAX–SEA, 09/24/2026: From $139
    24

    Thu

  • LAX–SEA, 09/25/2026: From $139
    25

    Fri

    • Range$139-$303

    *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:
    Los Angeles International Airport
    Arriving at:
    Seattle/Tacoma International Airport
    Distance:
    954 miles

    Route Information

    156† 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 156 weekly flights from Los Angeles to Seattle/Tacoma on Southwest Airlines.
    To find the lowest fares by day and time to fly Los Angeles 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 Los Angeles 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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