Southwest® flights from Columbus to Ontario/LA from $212

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Low fares from Columbus to Ontario/LA

$

Columbus (CMH)to

Ontario/LA (ONT)
Depart: 12/15/2026

One-way

Basic

From
$212
Seen: 11 hrs ago

Columbus (CMH)to

Ontario/LA (ONT)
Depart: 01/26/2027

One-way

Basic

From
$212
Seen: 15 hrs ago

Columbus (CMH)to

Ontario/LA (ONT)
Depart: 02/10/2027

One-way

Basic

From
$212
Seen: 7 hrs ago

Columbus (CMH)to

Ontario/LA (ONT)
Depart: 12/07/2026

One-way

Basic

From
$227
Seen: 11 hrs ago

Columbus (CMH)to

Ontario/LA (ONT)
Depart: 12/02/2026

One-way

Basic

From
$227
Seen: 5 hrs ago

Columbus (CMH)to

Ontario/LA (ONT)
Depart: 02/11/2027

One-way

Basic

From
$227
Seen: 4 hrs ago

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Explore flights from Columbus to Ontario/LA

Nov 2026
From$309*
Seen: 18 hrs ago
One Way/Basic
Dec 2026
From$212*
Seen: 11 hrs ago
One Way/Basic
Jan 2027
From$212*
Seen: 15 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $227
cmp-daily-histogram-bars-legend-max-price-aria-label $538
Displaying fares for November-2026
  • CMH–ONT, 11/10/2026: From $309
    10

    Tue

    NOV

  • CMH–ONT, 11/11/2026: From $333
    11

    Wed

  • CMH–ONT, 11/12/2026: From $397
    12

    Thu

  • CMH–ONT: cmp-view-offers-disclaimer. Find Offers
    13

    Fri

  • CMH–ONT: cmp-view-offers-disclaimer. Find Offers
    14

    Sat

  • CMH–ONT, 11/15/2026: From $397
    15

    Sun

  • CMH–ONT, 11/16/2026: From $397
    16

    Mon

  • CMH–ONT: cmp-view-offers-disclaimer. Find Offers
    17

    Tue

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

    Wed

  • CMH–ONT, 11/19/2026: From $397
    19

    Thu

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

    Fri

  • CMH–ONT: cmp-view-offers-disclaimer. Find Offers
    21

    Sat

  • CMH–ONT, 11/22/2026: From $382
    22

    Sun

  • CMH–ONT, 11/23/2026: From $329
    23

    Mon

  • CMH–ONT, 11/24/2026: From $309
    24

    Tue

  • CMH–ONT, 11/25/2026: From $309
    25

    Wed

  • CMH–ONT: cmp-view-offers-disclaimer. Find Offers
    26

    Thu

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

    Fri

  • CMH–ONT, 11/28/2026: From $309
    28

    Sat

  • CMH–ONT, 11/29/2026: From $538
    29

    Sun

  • CMH–ONT, 11/30/2026: From $397
    30

    Mon

  • CMH–ONT, 12/01/2026: From $262
    01

    Tue

    DEC

  • CMH–ONT, 12/02/2026: From $227
    02

    Wed

  • CMH–ONT, 12/03/2026: From $227
    03

    Thu

  • CMH–ONT, 12/04/2026: From $237
    04

    Fri

  • CMH–ONT: cmp-view-offers-disclaimer. Find Offers
    05

    Sat

  • CMH–ONT: cmp-view-offers-disclaimer. Find Offers
    06

    Sun

  • CMH–ONT, 12/07/2026: From $227
    07

    Mon

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

    Tue

  • CMH–ONT: cmp-view-offers-disclaimer. Find Offers
    09

    Wed

    • Range$227-$538

    *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:
    Port Columbus International Airport
    Arriving at:
    LA/Ontario International Airport
    Distance:
    1949 miles

    Questions we hear the most

    There are 145 weekly flights from Columbus to Ontario/LA on Southwest Airlines.
    To find the lowest fares by day and time to fly Columbus to Ontario/LA with Southwest, check out our Low Fare Calendar.
    You can rent a car at LA/Ontario International Airport book yours with your flight.
    Yes! Flights from Columbus to Ontario/LA—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.
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