Southwest® flights from Ontario/LA to Columbus from $172

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Low fares from Ontario/LA to Columbus

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Ontario/LA (ONT)to

Columbus (CMH)
Depart: 09/15/2026

One-way

Basic

From
$172
Seen: 6 hrs ago

Ontario/LA (ONT)to

Columbus (CMH)
Depart: 09/14/2026

One-way

Basic

From
$179
Seen: 5 hrs ago

Ontario/LA (ONT)to

Columbus (CMH)
Depart: 11/07/2026

One-way

Basic

From
$199
Seen: 14 hrs ago

Ontario/LA (ONT)to

Columbus (CMH)
Depart: 11/03/2026

One-way

Basic

From
$199
Seen: 8 hrs ago

Ontario/LA (ONT)to

Columbus (CMH)
Depart: 10/05/2026

One-way

Basic

From
$199
Seen: 6 hrs ago

Ontario/LA (ONT)to

Columbus (CMH)
Depart: 09/24/2026

One-way

Basic

From
$202
Seen: 6 hrs ago

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Explore flights from Ontario/LA to Columbus

Aug 2026
From$284*
Seen: 11 hrs ago
One Way/Basic
Sep 2026
From$172*
Seen: 6 hrs ago
One Way/Basic
Oct 2026
From$199*
Seen: 6 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $172
cmp-daily-histogram-bars-legend-max-price-aria-label $457
Displaying fares for August-2026
  • ONT–CMH, 08/22/2026: From $334
    22

    Sat

    AUG

  • ONT–CMH, 08/23/2026: From $457
    23

    Sun

  • ONT–CMH, 08/24/2026: From $372
    24

    Mon

  • ONT–CMH, 08/25/2026: From $284
    25

    Tue

  • ONT–CMH, 08/26/2026: From $284
    26

    Wed

  • ONT–CMH: cmp-view-offers-disclaimer. Find Offers
    27

    Thu

  • ONT–CMH, 08/28/2026: From $372
    28

    Fri

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    29

    Sat

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    30

    Sun

  • ONT–CMH, 08/31/2026: From $372
    31

    Mon

  • ONT–CMH: cmp-view-offers-disclaimer. Find Offers
    01

    Tue

    SEP

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    02

    Wed

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    03

    Thu

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    04

    Fri

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    05

    Sat

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    06

    Sun

  • ONT–CMH, 09/07/2026: From $324
    07

    Mon

  • ONT–CMH: cmp-view-offers-disclaimer. Find Offers
    08

    Tue

  • ONT–CMH, 09/09/2026: From $284
    09

    Wed

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    10

    Thu

  • ONT–CMH: cmp-view-offers-disclaimer. Find Offers
    11

    Fri

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    12

    Sat

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    13

    Sun

  • ONT–CMH, 09/14/2026: From $179
    14

    Mon

  • ONT–CMH, 09/15/2026: From $172
    15

    Tue

  • ONT–CMH, 09/16/2026: From $350
    16

    Wed

  • ONT–CMH, 09/17/2026: From $400
    17

    Thu

  • ONT–CMH, 09/18/2026: From $218
    18

    Fri

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    19

    Sat

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    20

    Sun

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    21

    Mon

    • Range$172-$457

    *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:
    Port Columbus International Airport
    Distance:
    1949 miles

    Route Information

    135† 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 135 weekly flights from Ontario/LA to Columbus on Southwest Airlines.
    To find the lowest fares by day and time to fly Ontario/LA to Columbus with Southwest, check out our Low Fare Calendar.
    You can rent a car at Port Columbus International Airport book yours with your flight.
    Yes! Flights from Ontario/LA to Columbus—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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