Southwest® flights from Ontario/LA to Indianapolis from $200

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Low fares from Ontario/LA to Indianapolis

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Ontario/LA (ONT)to

Indianapolis (IND)
Depart: 12/16/2026

One-way

Basic

From
$200
Seen: 9 hrs ago

Ontario/LA (ONT)to

Indianapolis (IND)
Depart: 12/15/2026

One-way

Basic

From
$200
Seen: 23 hrs ago

Ontario/LA (ONT)to

Indianapolis (IND)
Depart: 01/16/2027

One-way

Basic

From
$200
Seen: 3 hrs ago

Ontario/LA (ONT)to

Indianapolis (IND)
Depart: 12/24/2026

One-way

Basic

From
$215
Seen: 17 hrs ago

Ontario/LA (ONT)to

Indianapolis (IND)
Depart: 12/25/2026

One-way

Basic

From
$225
Seen: 18 hrs ago

Ontario/LA (ONT)to

Indianapolis (IND)
Depart: 12/23/2026

One-way

Basic

From
$225
Seen: 9 hrs ago

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Explore flights from Ontario/LA to Indianapolis

Nov 2026
From$329*
Seen: 4 hrs ago
One Way/Basic
Dec 2026
From$200*
Seen: 9 hrs ago
One Way/Basic
Jan 2027
From$200*
Seen: 3 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $225
Displaying fares for November-2026
  • ONT–IND, 11/09/2026: From $599
    09

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    NOV

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  • ONT–IND, 11/11/2026: From $599
    11

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  • ONT–IND, 11/13/2026: From $599
    13

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  • ONT–IND, 11/16/2026: From $529
    16

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  • ONT–IND, 11/19/2026: From $529
    19

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    Sun

  • ONT–IND, 11/23/2026: From $329
    23

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    24

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  • ONT–IND, 11/26/2026: From $329
    26

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    27

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    28

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    29

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    30

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    DEC

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  • ONT–IND, 12/04/2026: From $225
    04

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    05

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    • Range$225-$599

    *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:
    Indianapolis International Airport
    Distance:
    1768 miles

    Questions we hear the most

    There are 143 weekly flights from Ontario/LA to Indianapolis on Southwest Airlines.
    To find the lowest fares by day and time to fly Ontario/LA to Indianapolis with Southwest, check out our Low Fare Calendar.
    You can rent a car at Indianapolis International Airport book yours with your flight.
    Yes! Flights from Ontario/LA to Indianapolis—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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