Southwest® flights from Las Vegas to Ontario/LA from $64

Promo Code

Low fares from Las Vegas to Ontario/LA

$

Las Vegas (LAS)to

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

One-way

Basic

From
$64
Seen: 22 hrs ago

Las Vegas (LAS)to

Ontario/LA (ONT)
Depart: 12/07/2026

One-way

Basic

From
$64
Seen: 23 hrs ago

Las Vegas (LAS)to

Ontario/LA (ONT)
Depart: 01/12/2027

One-way

Basic

From
$64
Seen: 10 hrs ago

Las Vegas (LAS)to

Ontario/LA (ONT)
Depart: 12/16/2026

One-way

Basic

From
$64
Seen: 8 hrs ago

Las Vegas (LAS)to

Ontario/LA (ONT)
Depart: 01/15/2027

One-way

Basic

From
$64
Seen: 11 hrs ago

Las Vegas (LAS)to

Ontario/LA (ONT)
Depart: 12/20/2026

One-way

Basic

From
$64
Seen: 2 hrs ago

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Explore flights from Las Vegas to Ontario/LA

Nov 2026
From$114*
Seen: 21 hrs ago
One Way/Basic
Dec 2026
From$64*
Seen: 22 hrs ago
One Way/Basic
Jan 2027
From$64*
Seen: 16 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $64
cmp-daily-histogram-bars-legend-max-price-aria-label $287
Displaying fares for November-2026
  • LAS–ONT, 11/11/2026: From $217
    11

    Wed

    NOV

  • LAS–ONT, 11/12/2026: From $227
    12

    Thu

  • LAS–ONT, 11/13/2026: From $227
    13

    Fri

  • LAS–ONT, 11/14/2026: From $227
    14

    Sat

  • LAS–ONT, 11/15/2026: From $227
    15

    Sun

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

    Mon

  • LAS–ONT, 11/17/2026: From $191
    17

    Tue

  • LAS–ONT, 11/18/2026: From $191
    18

    Wed

  • LAS–ONT, 11/19/2026: From $201
    19

    Thu

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

    Fri

  • LAS–ONT, 11/21/2026: From $191
    21

    Sat

  • LAS–ONT, 11/22/2026: From $201
    22

    Sun

  • LAS–ONT, 11/23/2026: From $114
    23

    Mon

  • LAS–ONT, 11/24/2026: From $114
    24

    Tue

  • LAS–ONT, 11/25/2026: From $124
    25

    Wed

  • LAS–ONT, 11/26/2026: From $124
    26

    Thu

  • LAS–ONT, 11/27/2026: From $124
    27

    Fri

  • LAS–ONT, 11/28/2026: From $260
    28

    Sat

  • LAS–ONT, 11/29/2026: From $287
    29

    Sun

  • LAS–ONT, 11/30/2026: From $134
    30

    Mon

  • LAS–ONT, 12/01/2026: From $64
    01

    Tue

    DEC

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

    Wed

  • LAS–ONT, 12/03/2026: From $64
    03

    Thu

  • LAS–ONT, 12/04/2026: From $64
    04

    Fri

  • LAS–ONT, 12/05/2026: From $64
    05

    Sat

  • LAS–ONT, 12/06/2026: From $64
    06

    Sun

  • LAS–ONT, 12/07/2026: From $64
    07

    Mon

  • LAS–ONT, 12/08/2026: From $64
    08

    Tue

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

    Wed

  • LAS–ONT, 12/10/2026: From $64
    10

    Thu

    • Range$64-$287

    *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:
    McCarran International Airport
    Arriving at:
    LA/Ontario International Airport
    Average flight time:
    1 hour 4 minutes
    Distance:
    197 miles

    Questions we hear the most

    The average flight time from Las Vegas to Ontario/LA is 1 hour 4 minutes.
    There are 153 weekly flights from Las Vegas to Ontario/LA on Southwest Airlines.
    Yes, Southwest flies nonstop from Las Vegas to Ontario/LA 5 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Las Vegas to Ontario/LA 4 times per day on Saturdays and 5 times per day on Sundays.
    To find the lowest fares by day and time to fly Las Vegas 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 Las Vegas 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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