Southwest® flights from Ontario/LA to Kansas City from $201

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Low fares from Ontario/LA to Kansas City

$

Ontario/LA (ONT)to

Kansas City (MCI)
Depart: 12/16/2026

One-way

Basic

From
$201
Seen: 12 hrs ago

Ontario/LA (ONT)to

Kansas City (MCI)
Depart: 12/02/2026

One-way

Basic

From
$201
Seen: 8 hrs ago

Ontario/LA (ONT)to

Kansas City (MCI)
Depart: 01/13/2027

One-way

Basic

From
$201
Seen: 9 hrs ago

Ontario/LA (ONT)to

Kansas City (MCI)
Depart: 01/27/2027

One-way

Basic

From
$201
Seen: 15 hrs ago

Ontario/LA (ONT)to

Kansas City (MCI)
Depart: 12/30/2026

One-way

Basic

From
$201
Seen: 12 hrs ago

Ontario/LA (ONT)to

Kansas City (MCI)
Depart: 12/15/2026

One-way

Basic

From
$201
Seen: 11 hrs ago

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Explore flights from Ontario/LA to Kansas City

Nov 2026
From$314*
Seen: 11 hrs ago
One Way/Basic
Dec 2026
From$201*
Seen: 12 hrs ago
One Way/Basic
Jan 2027
From$201*
Seen: 9 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
  • ONT–MCI, 11/11/2026: From $341
    11

    Wed

    NOV

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

    Thu

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

    Fri

  • ONT–MCI, 11/14/2026: From $341
    14

    Sat

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

    Sun

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

    Mon

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

    Tue

  • ONT–MCI, 11/18/2026: From $314
    18

    Wed

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

    Thu

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

    Fri

  • ONT–MCI, 11/21/2026: From $314
    21

    Sat

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

    Sun

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

    Mon

  • ONT–MCI: cmp-view-offers-disclaimer. Find Offers
    24

    Tue

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

    Wed

  • ONT–MCI, 11/26/2026: From $324
    26

    Thu

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

    Fri

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

    Sat

  • ONT–MCI, 11/29/2026: From $354
    29

    Sun

  • ONT–MCI, 11/30/2026: From $329
    30

    Mon

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

    Tue

    DEC

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

    Wed

  • ONT–MCI, 12/03/2026: From $221
    03

    Thu

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

    Fri

  • ONT–MCI, 12/05/2026: From $201
    05

    Sat

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

    Sun

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

    Mon

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

    Tue

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    09

    Wed

  • ONT–MCI: cmp-view-offers-disclaimer. Find Offers
    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:
    LA/Ontario International Airport
    Arriving at:
    Kansas City International Airport
    Distance:
    1318 miles

    Questions we hear the most

    There are 153 weekly flights from Ontario/LA to Kansas City on Southwest Airlines.
    To find the lowest fares by day and time to fly Ontario/LA to Kansas City with Southwest, check out our Low Fare Calendar.
    You can rent a car at Kansas City International Airport book yours with your flight.
    Yes! Flights from Ontario/LA to Kansas City—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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