Southwest® flights from Phoenix to Ontario/LA from $59

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Low fares from Phoenix to Ontario/LA

$

Phoenix (PHX)to

Ontario/LA (ONT)
Depart: 01/20/2027

One-way

Basic

From
$59
Seen: 16 hrs ago

Phoenix (PHX)to

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

One-way

Basic

From
$59
Seen: 6 hrs ago

Phoenix (PHX)to

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

One-way

Basic

From
$59
Seen: 51 minutes ago

Phoenix (PHX)to

Ontario/LA (ONT)
Depart: 01/19/2027

One-way

Basic

From
$59
Seen: 22 hrs ago

Phoenix (PHX)to

Ontario/LA (ONT)
Depart: 01/16/2027

One-way

Basic

From
$59
Seen: 23 hrs ago

Phoenix (PHX)to

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

One-way

Basic

From
$59
Seen: 20 hrs ago

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Explore flights from Phoenix to Ontario/LA

Nov 2026
From$252*
Seen: 18 hrs ago
One Way/Basic
Dec 2026
From$59*
Seen: 20 hrs ago
One Way/Basic
Jan 2027
From$59*
Seen: 2 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $59
cmp-daily-histogram-bars-legend-max-price-aria-label $290
Displaying fares for November-2026
  • PHX–ONT, 11/11/2026: From $264
    11

    Wed

    NOV

  • PHX–ONT, 11/12/2026: From $280
    12

    Thu

  • PHX–ONT, 11/13/2026: From $280
    13

    Fri

  • PHX–ONT, 11/14/2026: From $264
    14

    Sat

  • PHX–ONT, 11/15/2026: From $280
    15

    Sun

  • PHX–ONT, 11/16/2026: From $280
    16

    Mon

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

    Tue

  • PHX–ONT, 11/18/2026: From $264
    18

    Wed

  • PHX–ONT, 11/19/2026: From $280
    19

    Thu

  • PHX–ONT, 11/20/2026: From $280
    20

    Fri

  • PHX–ONT: cmp-view-offers-disclaimer. Find Offers
    21

    Sat

  • PHX–ONT, 11/22/2026: From $280
    22

    Sun

  • PHX–ONT, 11/23/2026: From $280
    23

    Mon

  • PHX–ONT, 11/24/2026: From $264
    24

    Tue

  • PHX–ONT, 11/25/2026: From $252
    25

    Wed

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

    Thu

  • PHX–ONT, 11/27/2026: From $252
    27

    Fri

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

    Sat

  • PHX–ONT, 11/29/2026: From $290
    29

    Sun

  • PHX–ONT, 11/30/2026: From $280
    30

    Mon

  • PHX–ONT, 12/01/2026: From $252
    01

    Tue

    DEC

  • PHX–ONT: cmp-view-offers-disclaimer. Find Offers
    02

    Wed

  • PHX–ONT, 12/03/2026: From $95
    03

    Thu

  • PHX–ONT: cmp-view-offers-disclaimer. Find Offers
    04

    Fri

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

    Sat

  • PHX–ONT, 12/06/2026: From $231
    06

    Sun

  • PHX–ONT, 12/07/2026: From $95
    07

    Mon

  • PHX–ONT, 12/08/2026: From $59
    08

    Tue

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

    Wed

  • PHX–ONT, 12/10/2026: From $95
    10

    Thu

    • Range$59-$290

    *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:
    Sky Harbor International Airport
    Arriving at:
    LA/Ontario International Airport
    Average flight time:
    1 hour 15 minutes
    Distance:
    325 miles

    Questions we hear the most

    The average flight time from Phoenix to Ontario/LA is 1 hour 15 minutes.
    There are 154 weekly flights from Phoenix to Ontario/LA on Southwest Airlines.
    Yes, Southwest flies nonstop from Phoenix to Ontario/LA 4 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Phoenix to Ontario/LA 3 times per day on Saturdays and 4 times per day on Sundays.
    To find the lowest fares by day and time to fly Phoenix 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 Phoenix 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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