Southwest® flights from Kansas City to Ontario/LA from $196

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Low fares from Kansas City to Ontario/LA

$

Kansas City (MCI)to

Ontario/LA (ONT)
Depart: 01/12/2027

One-way

Basic

From
$196
Seen: 17 hrs ago

Kansas City (MCI)to

Ontario/LA (ONT)
Depart: 12/08/2026

One-way

Basic

From
$201
Seen: 14 hrs ago

Kansas City (MCI)to

Ontario/LA (ONT)
Depart: 01/06/2027

One-way

Basic

From
$201
Seen: 7 hrs ago

Kansas City (MCI)to

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

One-way

Basic

From
$201
Seen: 15 hrs ago

Kansas City (MCI)to

Ontario/LA (ONT)
Depart: 01/09/2027

One-way

Basic

From
$201
Seen: 12 hrs ago

Kansas City (MCI)to

Ontario/LA (ONT)
Depart: 01/05/2027

One-way

Basic

From
$201
Seen: 6 hrs ago

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Explore flights from Kansas City to Ontario/LA

Nov 2026
From$304*
Seen: 19 hrs ago
One Way/Basic
Dec 2026
From$201*
Seen: 15 hrs ago
One Way/Basic
Jan 2027
From$196*
Seen: 17 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $201
cmp-daily-histogram-bars-legend-max-price-aria-label $420
Displaying fares for November-2026
  • MCI–ONT, 11/11/2026: From $341
    11

    Wed

    NOV

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

    Thu

  • MCI–ONT, 11/13/2026: From $397
    13

    Fri

  • MCI–ONT, 11/14/2026: From $305
    14

    Sat

  • MCI–ONT, 11/15/2026: From $420
    15

    Sun

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

    Mon

  • MCI–ONT, 11/17/2026: From $314
    17

    Tue

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

    Wed

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

    Thu

  • MCI–ONT, 11/20/2026: From $397
    20

    Fri

  • MCI–ONT, 11/21/2026: From $309
    21

    Sat

  • MCI–ONT, 11/22/2026: From $420
    22

    Sun

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

    Mon

  • MCI–ONT, 11/24/2026: From $304
    24

    Tue

  • MCI–ONT, 11/25/2026: From $314
    25

    Wed

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

    Thu

  • MCI–ONT, 11/27/2026: From $324
    27

    Fri

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

    Sat

  • MCI–ONT: cmp-view-offers-disclaimer. Find Offers
    29

    Sun

  • MCI–ONT: cmp-view-offers-disclaimer. Find Offers
    30

    Mon

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

    Tue

    DEC

  • MCI–ONT, 12/02/2026: From $201
    02

    Wed

  • MCI–ONT, 12/03/2026: From $236
    03

    Thu

  • MCI–ONT, 12/04/2026: From $236
    04

    Fri

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

    Sat

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

    Sun

  • MCI–ONT: cmp-view-offers-disclaimer. Find Offers
    07

    Mon

  • MCI–ONT, 12/08/2026: From $201
    08

    Tue

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

    Wed

  • MCI–ONT, 12/10/2026: From $221
    10

    Thu

    • Range$201-$420

    *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:
    Kansas City International Airport
    Arriving at:
    LA/Ontario International Airport
    Distance:
    1318 miles

    Questions we hear the most

    There are 151 weekly flights from Kansas City to Ontario/LA on Southwest Airlines.
    To find the lowest fares by day and time to fly Kansas City 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 Kansas City 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.
    Check out the Southwest Airlines® Help Center for answers about everything Southwest.

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