Southwest® flights from New York LaGuardia to Seattle/Tacoma from $199

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Low fares from New York LaGuardia to Seattle/Tacoma

$

New York LaGuardia (LGA)to

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

One-way

Basic

From
$199
Seen: 15 hrs ago

New York LaGuardia (LGA)to

Seattle/Tacoma (SEA)
Depart: 11/03/2026

One-way

Basic

From
$199
Seen: 14 hrs ago

New York LaGuardia (LGA)to

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

One-way

Basic

From
$199
Seen: 7 hrs ago

New York LaGuardia (LGA)to

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

One-way

Basic

From
$214
Seen: 2 hrs ago

New York LaGuardia (LGA)to

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

One-way

Basic

From
$244
Seen: 5 hrs ago

New York LaGuardia (LGA)to

Seattle/Tacoma (SEA)
Depart: 10/29/2026

One-way

Basic

From
$244
Seen: 12 hrs ago

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Explore flights from New York LaGuardia to Seattle/Tacoma

Oct 2026
From$244*
Seen: 12 hrs ago
One Way/Basic
Nov 2026
From$199*
Seen: 15 hrs ago
One Way/Basic
Dec 2026
From$214*
Seen: 2 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $244
cmp-daily-histogram-bars-legend-max-price-aria-label $479
Displaying fares for October-2026
  • LGA–SEA: cmp-view-offers-disclaimer. Find Offers
    03

    Sat

    OCT

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

    Sun

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

    Mon

  • LGA–SEA, 10/06/2026: From $449
    06

    Tue

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

    Wed

  • LGA–SEA, 10/08/2026: From $454
    08

    Thu

  • LGA–SEA, 10/09/2026: From $449
    09

    Fri

  • LGA–SEA, 10/10/2026: From $334
    10

    Sat

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

    Sun

  • LGA–SEA, 10/12/2026: From $479
    12

    Mon

  • LGA–SEA, 10/13/2026: From $334
    13

    Tue

  • LGA–SEA, 10/14/2026: From $334
    14

    Wed

  • LGA–SEA, 10/15/2026: From $294
    15

    Thu

  • LGA–SEA, 10/16/2026: From $314
    16

    Fri

  • LGA–SEA, 10/17/2026: From $294
    17

    Sat

  • LGA–SEA, 10/18/2026: From $449
    18

    Sun

  • LGA–SEA, 10/19/2026: From $314
    19

    Mon

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

    Tue

  • LGA–SEA, 10/21/2026: From $289
    21

    Wed

  • LGA–SEA, 10/22/2026: From $289
    22

    Thu

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

    Fri

  • LGA–SEA, 10/24/2026: From $244
    24

    Sat

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

    Sun

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

    Mon

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

    Tue

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

    Wed

  • LGA–SEA, 10/29/2026: From $244
    29

    Thu

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

    Fri

  • LGA–SEA, 10/31/2026: From $249
    31

    Sat

  • LGA–SEA, 11/01/2026: From $324
    01

    Sun

    NOV

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

    Mon

    • Range$244-$479

    *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:
    La Guardia Airport
    Arriving at:
    Seattle/Tacoma International Airport
    Distance:
    2413 miles

    Route Information

    79† 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 79 weekly flights from New York (LaGuardia) to Seattle/Tacoma on Southwest Airlines.
    To find the lowest fares by day and time to fly New York (LaGuardia) 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 New York (LaGuardia) 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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