Southwest® flights from Ontario/LA to New York LaGuardia from $164

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Low fares from Ontario/LA to New York LaGuardia

$

Ontario/LA (ONT)to

New York LaGuardia (LGA)
Depart: 12/16/2026

One-way

Basic

From
$164
Seen: 16 hrs ago

Ontario/LA (ONT)to

New York LaGuardia (LGA)
Depart: 10/28/2026

One-way

Basic

From
$164
Seen: 18 hrs ago

Ontario/LA (ONT)to

New York LaGuardia (LGA)
Depart: 11/02/2026

One-way

Basic

From
$164
Seen: 7 hrs ago

Ontario/LA (ONT)to

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

One-way

Basic

From
$164
Seen: 4 hrs ago

Ontario/LA (ONT)to

New York LaGuardia (LGA)
Depart: 11/05/2026

One-way

Basic

From
$164
Seen: 8 hrs ago

Ontario/LA (ONT)to

New York LaGuardia (LGA)
Depart: 01/08/2027

One-way

Basic

From
$164
Seen: 3 hrs ago

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Explore flights from Ontario/LA to New York LaGuardia

Oct 2026
From$164*
Seen: 1 hour ago
One Way/Basic
Nov 2026
From$164*
Seen: 10 hrs ago
One Way/Basic
Dec 2026
From$164*
Seen: 6 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $164
cmp-daily-histogram-bars-legend-max-price-aria-label $432
Displaying fares for October-2026
  • ONT–LGA: cmp-view-offers-disclaimer. Find Offers
    01

    Thu

    OCT

  • ONT–LGA, 10/02/2026: From $367
    02

    Fri

  • ONT–LGA, 10/03/2026: From $348
    03

    Sat

  • ONT–LGA, 10/04/2026: From $367
    04

    Sun

  • ONT–LGA, 10/05/2026: From $367
    05

    Mon

  • ONT–LGA, 10/06/2026: From $348
    06

    Tue

  • ONT–LGA, 10/07/2026: From $348
    07

    Wed

  • ONT–LGA, 10/08/2026: From $432
    08

    Thu

  • ONT–LGA, 10/09/2026: From $367
    09

    Fri

  • ONT–LGA, 10/10/2026: From $285
    10

    Sat

  • ONT–LGA, 10/11/2026: From $310
    11

    Sun

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

    Mon

  • ONT–LGA, 10/13/2026: From $310
    13

    Tue

  • ONT–LGA, 10/14/2026: From $264
    14

    Wed

  • ONT–LGA: cmp-view-offers-disclaimer. Find Offers
    15

    Thu

  • ONT–LGA, 10/16/2026: From $289
    16

    Fri

  • ONT–LGA, 10/17/2026: From $214
    17

    Sat

  • ONT–LGA: cmp-view-offers-disclaimer. Find Offers
    18

    Sun

  • ONT–LGA, 10/19/2026: From $169
    19

    Mon

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

    Tue

  • ONT–LGA, 10/21/2026: From $164
    21

    Wed

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

    Thu

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

    Fri

  • ONT–LGA, 10/24/2026: From $164
    24

    Sat

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

    Sun

  • ONT–LGA, 10/26/2026: From $219
    26

    Mon

  • ONT–LGA, 10/27/2026: From $164
    27

    Tue

  • ONT–LGA, 10/28/2026: From $164
    28

    Wed

  • ONT–LGA, 10/29/2026: From $289
    29

    Thu

  • ONT–LGA, 10/30/2026: From $219
    30

    Fri

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

    Sat

    • Range$164-$432

    *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/Ontario International Airport
    Arriving at:
    La Guardia Airport
    Distance:
    2424 miles

    Route Information

    95† 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 95 weekly flights from Ontario/LA to New York (LaGuardia) on Southwest Airlines.
    To find the lowest fares by day and time to fly Ontario/LA 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 Ontario/LA 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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