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

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Low fares from Ontario/LA to Phoenix

$

Ontario/LA (ONT)to

Phoenix (PHX)
Depart: 02/09/2027

One-way

Basic

From
$59
Seen: 22 hrs ago

Ontario/LA (ONT)to

Phoenix (PHX)
Depart: 01/05/2027

One-way

Basic

From
$59
Seen: 22 hrs ago

Ontario/LA (ONT)to

Phoenix (PHX)
Depart: 12/22/2026

One-way

Basic

From
$59
Seen: 23 hrs ago

Ontario/LA (ONT)to

Phoenix (PHX)
Depart: 01/06/2027

One-way

Basic

From
$59
Seen: 18 hrs ago

Ontario/LA (ONT)to

Phoenix (PHX)
Depart: 02/02/2027

One-way

Basic

From
$59
Seen: 14 hrs ago

Ontario/LA (ONT)to

Phoenix (PHX)
Depart: 02/16/2027

One-way

Basic

From
$59
Seen: 19 hrs ago

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Explore flights from Ontario/LA to Phoenix

Nov 2026
From$252*
Seen: 21 hrs ago
One Way/Basic
Dec 2026
From$59*
Seen: 22 hrs ago
One Way/Basic
Jan 2027
From$59*
Seen: 18 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $59
cmp-daily-histogram-bars-legend-max-price-aria-label $280
Displaying fares for November-2026
  • ONT–PHX, 11/11/2026: From $264
    11

    Wed

    NOV

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

    Thu

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

    Fri

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

    Sat

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

    Sun

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

    Mon

  • ONT–PHX, 11/17/2026: From $264
    17

    Tue

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

    Wed

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

    Thu

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

    Fri

  • ONT–PHX, 11/21/2026: From $264
    21

    Sat

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

    Sun

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

    Mon

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

    Tue

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

    Wed

  • ONT–PHX, 11/26/2026: From $252
    26

    Thu

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

    Fri

  • ONT–PHX, 11/28/2026: From $264
    28

    Sat

  • ONT–PHX, 11/29/2026: From $280
    29

    Sun

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

    Mon

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

    Tue

    DEC

  • ONT–PHX, 12/02/2026: From $59
    02

    Wed

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

    Thu

  • ONT–PHX, 12/04/2026: From $110
    04

    Fri

  • ONT–PHX, 12/05/2026: From $59
    05

    Sat

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

    Sun

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

    Mon

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

    Tue

  • ONT–PHX, 12/09/2026: From $59
    09

    Wed

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

    Thu

    • Range$59-$280

    *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:
    Sky Harbor International Airport
    Average flight time:
    1 hour 16 minutes
    Distance:
    325 miles

    Questions we hear the most

    The average flight time from Ontario/LA to Phoenix is 1 hour 16 minutes.
    There are 156 weekly flights from Ontario/LA to Phoenix on Southwest Airlines.
    Yes, Southwest flies nonstop from Ontario/LA to Phoenix 4 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Ontario/LA to Phoenix 3 times per day on Saturdays and 4 times per day on Sundays.
    To find the lowest fares by day and time to fly Ontario/LA to Phoenix with Southwest, check out our Low Fare Calendar.
    You can rent a car at Sky Harbor International Airport book yours with your flight.
    Yes! Flights from Ontario/LA to Phoenix—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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