Southwest® flights from New York LaGuardia to Seattle/Tacoma from $204

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Low fares from New York LaGuardia to Seattle/Tacoma

$

New York LaGuardia (LGA)to

Seattle/Tacoma (SEA)
Depart: 01/12/2027

One-way

Basic

From
$204
Seen: 15 hrs ago

New York LaGuardia (LGA)to

Seattle/Tacoma (SEA)
Depart: 01/29/2027

One-way

Basic

From
$224
Seen: 21 hrs ago

New York LaGuardia (LGA)to

Seattle/Tacoma (SEA)
Depart: 12/11/2026

One-way

Basic

From
$224
Seen: 7 hrs ago

New York LaGuardia (LGA)to

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

One-way

Basic

From
$229
Seen: 15 minutes ago

New York LaGuardia (LGA)to

Seattle/Tacoma (SEA)
Depart: 01/12/2027

One-way

Choice

From
$259
Seen: 15 hrs ago

New York LaGuardia (LGA)to

Seattle/Tacoma (SEA)
Depart: 12/11/2026

One-way

Choice

From
$279
Seen: 7 hrs ago

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Explore flights from New York LaGuardia to Seattle/Tacoma

Nov 2026
From$314*
Seen: 22 hrs ago
One Way/Basic
Dec 2026
From$224*
Seen: 7 hrs ago
One Way/Basic
Jan 2027
From$204*
Seen: 15 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $224
cmp-daily-histogram-bars-legend-max-price-aria-label $1.0K
Displaying fares for November-2026
  • LGA–SEA: cmp-view-offers-disclaimer. Find Offers
    13

    Fri

    NOV

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

    Sat

  • LGA–SEA, 11/15/2026: From $444
    15

    Sun

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

    Mon

  • LGA–SEA, 11/17/2026: From $439
    17

    Tue

  • LGA–SEA, 11/18/2026: From $314
    18

    Wed

  • LGA–SEA, 11/19/2026: From $314
    19

    Thu

  • LGA–SEA, 11/20/2026: From $319
    20

    Fri

  • LGA–SEA, 11/21/2026: From $319
    21

    Sat

  • LGA–SEA, 11/22/2026: From $319
    22

    Sun

  • LGA–SEA, 11/23/2026: From $325
    23

    Mon

  • LGA–SEA, 11/24/2026: From $359
    24

    Tue

  • LGA–SEA, 11/25/2026: From $379
    25

    Wed

  • LGA–SEA, 11/26/2026: From $359
    26

    Thu

  • LGA–SEA, 11/27/2026: From $507
    27

    Fri

  • LGA–SEA, 11/28/2026: From $1,039
    28

    Sat

  • LGA–SEA, 11/29/2026: From $1,039
    29

    Sun

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

    Mon

  • LGA–SEA: cmp-view-offers-disclaimer. Find Offers
    01

    Tue

    DEC

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

    Wed

  • LGA–SEA: cmp-view-offers-disclaimer. Find Offers
    03

    Thu

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

    Fri

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

    Sat

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

    Sun

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

    Mon

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

    Tue

  • LGA–SEA, 12/09/2026: From $229
    09

    Wed

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

    Thu

  • LGA–SEA, 12/11/2026: From $224
    11

    Fri

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

    Sat

    • Range$224-$1,039

    *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

    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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