Southwest® flights from Ontario/LA to Cincinnati from $179

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Low fares from Ontario/LA to Cincinnati

$

Ontario/LA (ONT)to

Cincinnati (CVG)
Depart: 11/07/2026

One-way

Basic

From
$179
Seen: 16 hrs ago

Ontario/LA (ONT)to

Cincinnati (CVG)
Depart: 11/19/2026

One-way

Basic

From
$179
Seen: 14 hrs ago

Ontario/LA (ONT)to

Cincinnati (CVG)
Depart: 10/22/2026

One-way

Basic

From
$184
Seen: 9 hrs ago

Ontario/LA (ONT)to

Cincinnati (CVG)
Depart: 10/23/2026

One-way

Basic

From
$196
Seen: 2 hrs ago

Ontario/LA (ONT)to

Cincinnati (CVG)
Depart: 10/02/2026

One-way

Basic

From
$196
Seen: 11 hrs ago

Ontario/LA (ONT)to

Cincinnati (CVG)
Depart: 09/12/2026

One-way

Basic

From
$223
Seen: 19 hrs ago

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Explore flights from Ontario/LA to Cincinnati

Aug 2026
From$532*
Seen: 13 hrs ago
One Way/Basic
Sep 2026
From$223*
Seen: 19 hrs ago
One Way/Basic
Oct 2026
From$184*
Seen: 9 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $223
Displaying fares for August-2026
  • ONT–CVG: cmp-view-offers-disclaimer. Find Offers
    21

    Fri

    AUG

  • ONT–CVG, 08/22/2026: From $532
    22

    Sat

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    23

    Sun

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    24

    Mon

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    25

    Tue

  • ONT–CVG, 08/26/2026: From $532
    26

    Wed

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    27

    Thu

  • ONT–CVG: cmp-view-offers-disclaimer. Find Offers
    28

    Fri

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    29

    Sat

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    30

    Sun

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    31

    Mon

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

    Tue

    SEP

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    02

    Wed

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    03

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    04

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    05

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    06

    Sun

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    07

    Mon

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

    Tue

  • ONT–CVG, 09/09/2026: From $309
    09

    Wed

  • ONT–CVG: cmp-view-offers-disclaimer. Find Offers
    10

    Thu

  • ONT–CVG, 09/11/2026: From $273
    11

    Fri

  • ONT–CVG, 09/12/2026: From $223
    12

    Sat

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

    Sun

  • ONT–CVG, 09/14/2026: From $269
    14

    Mon

  • ONT–CVG, 09/15/2026: From $264
    15

    Tue

  • ONT–CVG: cmp-view-offers-disclaimer. Find Offers
    16

    Wed

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

    Thu

  • ONT–CVG, 09/18/2026: From $273
    18

    Fri

  • ONT–CVG: cmp-view-offers-disclaimer. Find Offers
    19

    Sat

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

    Sun

    • Range$223-$532

    *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

    Route Information

    53† 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 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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