Southwest® flights from Ontario/LA to Salt Lake City from $160

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Low fares from Ontario/LA to Salt Lake City

$

Ontario/LA (ONT)to

Salt Lake City (SLC)
Depart: 12/16/2026

One-way

Basic

From
$160
Seen: 5 hrs ago

Ontario/LA (ONT)to

Salt Lake City (SLC)
Depart: 12/02/2026

One-way

Basic

From
$160
Seen: 7 hrs ago

Ontario/LA (ONT)to

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

One-way

Basic

From
$165
Seen: 6 hrs ago

Ontario/LA (ONT)to

Salt Lake City (SLC)
Depart: 01/06/2027

One-way

Basic

From
$165
Seen: 11 hrs ago

Ontario/LA (ONT)to

Salt Lake City (SLC)
Depart: 12/08/2026

One-way

Basic

From
$165
Seen: 4 hrs ago

Ontario/LA (ONT)to

Salt Lake City (SLC)
Depart: 12/15/2026

One-way

Basic

From
$165
Seen: 4 hrs ago

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Explore flights from Ontario/LA to Salt Lake City

Nov 2026
From$209*
Seen: 9 hrs ago
One Way/Basic
Dec 2026
From$160*
Seen: 7 hrs ago
One Way/Basic
Jan 2027
From$165*
Seen: 13 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $160
cmp-daily-histogram-bars-legend-max-price-aria-label $370
Displaying fares for November-2026
  • ONT–SLC: cmp-view-offers-disclaimer. Find Offers
    12

    Thu

    NOV

  • ONT–SLC: cmp-view-offers-disclaimer. Find Offers
    13

    Fri

  • ONT–SLC, 11/14/2026: From $370
    14

    Sat

  • ONT–SLC: cmp-view-offers-disclaimer. Find Offers
    15

    Sun

  • ONT–SLC, 11/16/2026: From $370
    16

    Mon

  • ONT–SLC, 11/17/2026: From $370
    17

    Tue

  • ONT–SLC, 11/18/2026: From $340
    18

    Wed

  • ONT–SLC, 11/19/2026: From $340
    19

    Thu

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

    Fri

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

    Sat

  • ONT–SLC: cmp-view-offers-disclaimer. Find Offers
    22

    Sun

  • ONT–SLC, 11/23/2026: From $345
    23

    Mon

  • ONT–SLC, 11/24/2026: From $345
    24

    Tue

  • ONT–SLC, 11/25/2026: From $251
    25

    Wed

  • ONT–SLC, 11/26/2026: From $209
    26

    Thu

  • ONT–SLC, 11/27/2026: From $245
    27

    Fri

  • ONT–SLC, 11/28/2026: From $290
    28

    Sat

  • ONT–SLC, 11/29/2026: From $350
    29

    Sun

  • ONT–SLC, 11/30/2026: From $264
    30

    Mon

  • ONT–SLC, 12/01/2026: From $209
    01

    Tue

    DEC

  • ONT–SLC, 12/02/2026: From $160
    02

    Wed

  • ONT–SLC, 12/03/2026: From $180
    03

    Thu

  • ONT–SLC, 12/04/2026: From $200
    04

    Fri

  • ONT–SLC, 12/05/2026: From $165
    05

    Sat

  • ONT–SLC, 12/06/2026: From $214
    06

    Sun

  • ONT–SLC, 12/07/2026: From $185
    07

    Mon

  • ONT–SLC, 12/08/2026: From $165
    08

    Tue

  • ONT–SLC, 12/09/2026: From $165
    09

    Wed

  • ONT–SLC, 12/10/2026: From $180
    10

    Thu

  • ONT–SLC, 12/11/2026: From $195
    11

    Fri

    • Range$160-$370

    *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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