Southwest® flights from Ontario/LA to Miami from $222

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Low fares from Ontario/LA to Miami

$

Ontario/LA (ONT)to

Miami (MIA)
Depart: 01/13/2027

One-way

Basic

From
$222
Seen: 23 hrs ago

Ontario/LA (ONT)to

Miami (MIA)
Depart: 02/20/2027

One-way

Basic

From
$222
Seen: 13 hrs ago

Ontario/LA (ONT)to

Miami (MIA)
Depart: 02/17/2027

One-way

Basic

From
$222
Seen: 12 hrs ago

Ontario/LA (ONT)to

Miami (MIA)
Depart: 01/16/2027

One-way

Basic

From
$222
Seen: 23 hrs ago

Ontario/LA (ONT)to

Miami (MIA)
Depart: 12/16/2026

One-way

Basic

From
$227
Seen: 1 hour ago

Ontario/LA (ONT)to

Miami (MIA)
Depart: 01/06/2027

One-way

Basic

From
$227
Seen: 17 hrs ago

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Explore flights from Ontario/LA to Miami

Nov 2026
From$309*
Seen: 13 hrs ago
One Way/Basic
Dec 2026
From$227*
Seen: 1 hour ago
One Way/Basic
Jan 2027
From$222*
Seen: 23 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $247
cmp-daily-histogram-bars-legend-max-price-aria-label $407
Displaying fares for November-2026
  • ONT–MIA, 11/13/2026: From $397
    13

    Fri

    NOV

  • ONT–MIA, 11/14/2026: From $309
    14

    Sat

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

    Sun

  • ONT–MIA, 11/16/2026: From $407
    16

    Mon

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

    Tue

  • ONT–MIA, 11/18/2026: From $319
    18

    Wed

  • ONT–MIA, 11/19/2026: From $370
    19

    Thu

  • ONT–MIA, 11/20/2026: From $340
    20

    Fri

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

    Sat

  • ONT–MIA, 11/22/2026: From $314
    22

    Sun

  • ONT–MIA, 11/23/2026: From $314
    23

    Mon

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    24

    Tue

  • ONT–MIA: cmp-view-offers-disclaimer. Find Offers
    25

    Wed

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

    Thu

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

    Fri

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

    Sat

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

    Sun

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    30

    Mon

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

    Tue

    DEC

  • ONT–MIA, 12/02/2026: From $252
    02

    Wed

  • ONT–MIA, 12/03/2026: From $259
    03

    Thu

  • ONT–MIA, 12/04/2026: From $289
    04

    Fri

  • ONT–MIA, 12/05/2026: From $247
    05

    Sat

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    06

    Sun

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    07

    Mon

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    08

    Tue

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    09

    Wed

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    10

    Thu

  • ONT–MIA, 12/11/2026: From $289
    11

    Fri

  • ONT–MIA: cmp-view-offers-disclaimer. Find Offers
    12

    Sat

    • Range$247-$407

    *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:
    Miami International Airport
    Distance:
    2296 miles

    Questions we hear the most

    There are 52 weekly flights from Ontario/LA to Miami on Southwest Airlines.
    To find the lowest fares by day and time to fly Ontario/LA to Miami with Southwest, check out our Low Fare Calendar.
    You can rent a car at Miami International Airport book yours with your flight.
    Yes! Flights from Ontario/LA to Miami—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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