Southwest® flights from Ontario/LA to Salt Lake City from $120

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Low fares from Ontario/LA to Salt Lake City

$

Ontario/LA (ONT)to

Salt Lake City (SLC)
Depart: 12/05/2026

One-way

Basic

From
$120
Seen: 10 hrs ago

Ontario/LA (ONT)to

Salt Lake City (SLC)
Depart: 12/03/2026

One-way

Basic

From
$120
Seen: 11 hrs ago

Ontario/LA (ONT)to

Salt Lake City (SLC)
Depart: 01/11/2027

One-way

Basic

From
$124
Seen: 4 hrs ago

Ontario/LA (ONT)to

Salt Lake City (SLC)
Depart: 12/23/2026

One-way

Basic

From
$124
Seen: 15 hrs ago

Ontario/LA (ONT)to

Salt Lake City (SLC)
Depart: 01/07/2027

One-way

Basic

From
$124
Seen: 12 hrs ago

Ontario/LA (ONT)to

Salt Lake City (SLC)
Depart: 11/24/2026

One-way

Basic

From
$124
Seen: 13 hrs ago

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Explore flights from Ontario/LA to Salt Lake City

Oct 2026
From$335*
Seen: 15 hrs ago
One Way/Basic
Nov 2026
From$124*
Seen: 13 hrs ago
One Way/Basic
Dec 2026
From$120*
Seen: 11 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $129
cmp-daily-histogram-bars-legend-max-price-aria-label $390
Displaying fares for October-2026
  • ONT–SLC, 10/22/2026: From $370
    22

    Thu

    OCT

  • ONT–SLC, 10/23/2026: From $370
    23

    Fri

  • ONT–SLC, 10/24/2026: From $390
    24

    Sat

  • ONT–SLC, 10/25/2026: From $390
    25

    Sun

  • ONT–SLC, 10/26/2026: From $365
    26

    Mon

  • ONT–SLC, 10/27/2026: From $370
    27

    Tue

  • ONT–SLC, 10/28/2026: From $340
    28

    Wed

  • ONT–SLC, 10/29/2026: From $340
    29

    Thu

  • ONT–SLC, 10/30/2026: From $335
    30

    Fri

  • ONT–SLC, 10/31/2026: From $340
    31

    Sat

  • ONT–SLC, 11/01/2026: From $340
    01

    Sun

    NOV

  • ONT–SLC, 11/02/2026: From $340
    02

    Mon

  • ONT–SLC, 11/03/2026: From $335
    03

    Tue

  • ONT–SLC, 11/04/2026: From $224
    04

    Wed

  • ONT–SLC, 11/05/2026: From $229
    05

    Thu

  • ONT–SLC, 11/06/2026: From $229
    06

    Fri

  • ONT–SLC, 11/07/2026: From $224
    07

    Sat

  • ONT–SLC: cmp-view-offers-disclaimer. Find Offers
    08

    Sun

  • ONT–SLC, 11/09/2026: From $193
    09

    Mon

  • ONT–SLC, 11/10/2026: From $129
    10

    Tue

  • ONT–SLC, 11/11/2026: From $129
    11

    Wed

  • ONT–SLC, 11/12/2026: From $134
    12

    Thu

  • ONT–SLC, 11/13/2026: From $134
    13

    Fri

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

    Sat

  • ONT–SLC, 11/15/2026: From $209
    15

    Sun

  • ONT–SLC: cmp-view-offers-disclaimer. Find Offers
    16

    Mon

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

    Tue

  • ONT–SLC, 11/18/2026: From $129
    18

    Wed

  • ONT–SLC, 11/19/2026: From $139
    19

    Thu

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

    Fri

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

    Sat

    • Range$129-$390

    *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:
    Salt Lake City International Airport
    Distance:
    558 miles

    Questions we hear the most

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