Southwest® flights from Ontario/LA to Cincinnati from $165

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Low fares from Ontario/LA to Cincinnati

$

Ontario/LA (ONT)to

Cincinnati (CVG)
Depart: 12/16/2026

One-way

Basic

From
$165
Seen: 15 hrs ago

Ontario/LA (ONT)to

Cincinnati (CVG)
Depart: 11/10/2026

One-way

Basic

From
$165
Seen: 9 hrs ago

Ontario/LA (ONT)to

Cincinnati (CVG)
Depart: 12/11/2026

One-way

Basic

From
$169
Seen: 5 hrs ago

Ontario/LA (ONT)to

Cincinnati (CVG)
Depart: 12/18/2026

One-way

Basic

From
$217
Seen: 22 hrs ago

Ontario/LA (ONT)to

Cincinnati (CVG)
Depart: 12/16/2026

One-way

Choice

From
$220
Seen: 15 hrs ago

Ontario/LA (ONT)to

Cincinnati (CVG)
Depart: 11/10/2026

One-way

Choice

From
$220
Seen: 9 hrs ago

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Explore flights from Ontario/LA to Cincinnati

Oct 2026
From$519*
Seen: 4 hrs ago
One Way/Basic
Nov 2026
From$165*
Seen: 9 hrs ago
One Way/Basic
Dec 2026
From$165*
Seen: 15 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $165
Displaying fares for October-2026
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  • ONT–CVG, 10/30/2026: From $519
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    NOV

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  • ONT–CVG, 11/10/2026: From $165
    10

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  • ONT–CVG, 11/11/2026: From $295
    11

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  • ONT–CVG, 11/16/2026: From $300
    16

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    • Range$165-$519

    *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:
    Cincinnati/Northern Kentucky Airport
    Distance:
    1854 miles

    Questions we hear the most

    There are 53 weekly flights from Ontario/LA to Cincinnati on Southwest Airlines.
    To find the lowest fares by day and time to fly Ontario/LA to Cincinnati with Southwest, check out our Low Fare Calendar.
    You can rent a car at Cincinnati/Northern Kentucky Airport book yours with your flight.
    Yes! Flights from Ontario/LA to Cincinnati—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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