Southwest® flights from Tucson to Ontario/LA from $169

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Low fares from Tucson to Ontario/LA

$

Tucson (TUS)to

Ontario/LA (ONT)
Depart: 12/15/2026

One-way

Basic

From
$169
Seen: 4 hrs ago

Tucson (TUS)to

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

One-way

Basic

From
$169
Seen: 14 hrs ago

Tucson (TUS)to

Ontario/LA (ONT)
Depart: 12/14/2026

One-way

Basic

From
$184
Seen: 21 hrs ago

Tucson (TUS)to

Ontario/LA (ONT)
Depart: 12/24/2026

One-way

Basic

From
$189
Seen: 18 hrs ago

Tucson (TUS)to

Ontario/LA (ONT)
Depart: 12/11/2026

One-way

Basic

From
$194
Seen: 2 hrs ago

Tucson (TUS)to

Ontario/LA (ONT)
Depart: 12/19/2026

One-way

Basic

From
$194
Seen: 15 hrs ago

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Explore flights from Tucson to Ontario/LA

Nov 2026
From$281*
Seen: 22 hrs ago
One Way/Basic
Dec 2026
From$169*
Seen: 14 hrs ago
One Way/Basic
Jan 2027
No result for this month.
cmp-daily-histogram-bars-legend-min-price-aria-label $194
cmp-daily-histogram-bars-legend-max-price-aria-label $426
Displaying fares for November-2026
  • TUS–ONT, 11/10/2026: From $426
    10

    Tue

    NOV

  • TUS–ONT, 11/11/2026: From $426
    11

    Wed

  • TUS–ONT, 11/12/2026: From $421
    12

    Thu

  • TUS–ONT, 11/13/2026: From $421
    13

    Fri

  • TUS–ONT: cmp-view-offers-disclaimer. Find Offers
    14

    Sat

  • TUS–ONT, 11/15/2026: From $372
    15

    Sun

  • TUS–ONT, 11/16/2026: From $372
    16

    Mon

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    17

    Tue

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    18

    Wed

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    19

    Thu

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

    Fri

  • TUS–ONT, 11/21/2026: From $372
    21

    Sat

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    22

    Sun

  • TUS–ONT, 11/23/2026: From $281
    23

    Mon

  • TUS–ONT, 11/24/2026: From $286
    24

    Tue

  • TUS–ONT, 11/25/2026: From $286
    25

    Wed

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

    Thu

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

    Fri

  • TUS–ONT, 11/28/2026: From $315
    28

    Sat

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

    Sun

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

    Mon

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

    Tue

    DEC

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    02

    Wed

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    03

    Thu

  • TUS–ONT, 12/04/2026: From $194
    04

    Fri

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    05

    Sat

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    06

    Sun

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    07

    Mon

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    08

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    09

    Wed

    • Range$194-$426

    *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:
    Tucson International Airport
    Arriving at:
    LA/Ontario International Airport
    Distance:
    409 miles

    Questions we hear the most

    There are 103 weekly flights from Tucson to Ontario/LA on Southwest Airlines.
    To find the lowest fares by day and time to fly Tucson 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 Tucson 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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