Southwest® flights from Seattle/Tacoma to New York (LaGuardia) from $189

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Low fares from Seattle/Tacoma to New York (LaGuardia)

$

Seattle/Tacoma (SEA)to

New York (LaGuardia) (LGA)
Depart: 09/17/2026

One-way

Basic

From
$189
Seen: 11 hrs ago

Seattle/Tacoma (SEA)to

New York (LaGuardia) (LGA)
Depart: 09/18/2026

One-way

Basic

From
$189
Seen: 9 hrs ago

Seattle/Tacoma (SEA)to

New York (LaGuardia) (LGA)
Depart: 11/18/2026

One-way

Basic

From
$189
Seen: 14 hrs ago

Seattle/Tacoma (SEA)to

New York (LaGuardia) (LGA)
Depart: 11/16/2026

One-way

Basic

From
$189
Seen: 4 hrs ago

Seattle/Tacoma (SEA)to

New York (LaGuardia) (LGA)
Depart: 10/21/2026

One-way

Basic

From
$189
Seen: 13 hrs ago

Seattle/Tacoma (SEA)to

New York (LaGuardia) (LGA)
Depart: 10/31/2026

One-way

Basic

From
$189
Seen: 6 hrs ago

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Explore flights from Seattle/Tacoma to New York (LaGuardia)

Aug 2026
From$344*
Seen: 9 hrs ago
One Way/Basic
Sep 2026
From$189*
Seen: 11 hrs ago
One Way/Basic
Oct 2026
From$189*
Seen: 13 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $189
cmp-daily-histogram-bars-legend-max-price-aria-label $584
Displaying fares for August-2026
  • SEA–LGA, 08/23/2026: From $499
    23

    Sun

    AUG

  • SEA–LGA: cmp-view-offers-disclaimer. Find Offers
    24

    Mon

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    25

    Tue

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    26

    Wed

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

    Thu

  • SEA–LGA, 08/28/2026: From $344
    28

    Fri

  • SEA–LGA, 08/29/2026: From $344
    29

    Sat

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    30

    Sun

  • SEA–LGA: cmp-view-offers-disclaimer. Find Offers
    31

    Mon

  • SEA–LGA, 09/01/2026: From $344
    01

    Tue

    SEP

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    02

    Wed

  • SEA–LGA, 09/03/2026: From $344
    03

    Thu

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    04

    Fri

  • SEA–LGA, 09/05/2026: From $259
    05

    Sat

  • SEA–LGA, 09/06/2026: From $294
    06

    Sun

  • SEA–LGA, 09/07/2026: From $584
    07

    Mon

  • SEA–LGA, 09/08/2026: From $418
    08

    Tue

  • SEA–LGA, 09/09/2026: From $259
    09

    Wed

  • SEA–LGA, 09/10/2026: From $259
    10

    Thu

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

    Fri

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    12

    Sat

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    13

    Sun

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    14

    Mon

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    15

    Tue

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    16

    Wed

  • SEA–LGA, 09/17/2026: From $189
    17

    Thu

  • SEA–LGA, 09/18/2026: From $189
    18

    Fri

  • SEA–LGA: cmp-view-offers-disclaimer. Find Offers
    19

    Sat

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

    Sun

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

    Mon

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

    Tue

    • Range$189-$584

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

    Route Information

    71† 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 71 weekly flights from Seattle/Tacoma to New York (LaGuardia) on Southwest Airlines.
    To find the lowest fares by day and time to fly Seattle/Tacoma to New York (LaGuardia) with Southwest, check out our Low Fare Calendar.
    You can rent a car at La Guardia Airport book yours with your flight.
    Yes! Flights from Seattle/Tacoma to New York (LaGuardia)—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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