Southwest® flights from San Jose, CA to Ontario/LA from $59

Promo Code

Low fares from San Jose, CA to Ontario/LA

$

San Jose, CA (SJC)to

Ontario/LA (ONT)
Depart: 12/30/2026

One-way

Basic

From
$59
Seen: 22 hrs ago

San Jose, CA (SJC)to

Ontario/LA (ONT)
Depart: 12/29/2026

One-way

Basic

From
$59
Seen: 19 hrs ago

San Jose, CA (SJC)to

Ontario/LA (ONT)
Depart: 02/03/2027

One-way

Basic

From
$59
Seen: 3 hrs ago

San Jose, CA (SJC)to

Ontario/LA (ONT)
Depart: 02/10/2027

One-way

Basic

From
$59
Seen: 6 hrs ago

San Jose, CA (SJC)to

Ontario/LA (ONT)
Depart: 01/05/2027

One-way

Basic

From
$59
Seen: 21 hrs ago

San Jose, CA (SJC)to

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

One-way

Basic

From
$59
Seen: 17 hrs ago

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Explore flights from San Jose, CA to Ontario/LA

Nov 2026
From$245*
Seen: 14 hrs ago
One Way/Basic
Dec 2026
From$59*
Seen: 17 hrs ago
One Way/Basic
Jan 2027
From$59*
Seen: 20 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $95
cmp-daily-histogram-bars-legend-max-price-aria-label $447
Displaying fares for November-2026
  • SJC–ONT, 11/11/2026: From $447
    11

    Wed

    NOV

  • SJC–ONT, 11/12/2026: From $447
    12

    Thu

  • SJC–ONT, 11/13/2026: From $447
    13

    Fri

  • SJC–ONT, 11/14/2026: From $447
    14

    Sat

  • SJC–ONT, 11/15/2026: From $447
    15

    Sun

  • SJC–ONT, 11/16/2026: From $447
    16

    Mon

  • SJC–ONT, 11/17/2026: From $447
    17

    Tue

  • SJC–ONT, 11/18/2026: From $358
    18

    Wed

  • SJC–ONT, 11/19/2026: From $358
    19

    Thu

  • SJC–ONT, 11/20/2026: From $358
    20

    Fri

  • SJC–ONT, 11/21/2026: From $358
    21

    Sat

  • SJC–ONT, 11/22/2026: From $358
    22

    Sun

  • SJC–ONT, 11/23/2026: From $358
    23

    Mon

  • SJC–ONT, 11/24/2026: From $358
    24

    Tue

  • SJC–ONT, 11/25/2026: From $245
    25

    Wed

  • SJC–ONT, 11/26/2026: From $245
    26

    Thu

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

    Fri

  • SJC–ONT, 11/28/2026: From $275
    28

    Sat

  • SJC–ONT, 11/29/2026: From $275
    29

    Sun

  • SJC–ONT, 11/30/2026: From $275
    30

    Mon

  • SJC–ONT, 12/01/2026: From $245
    01

    Tue

    DEC

  • SJC–ONT, 12/02/2026: From $95
    02

    Wed

  • SJC–ONT: cmp-view-offers-disclaimer. Find Offers
    03

    Thu

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

    Fri

  • SJC–ONT, 12/05/2026: From $95
    05

    Sat

  • SJC–ONT, 12/06/2026: From $205
    06

    Sun

  • SJC–ONT: cmp-view-offers-disclaimer. Find Offers
    07

    Mon

  • SJC–ONT, 12/08/2026: From $95
    08

    Tue

  • SJC–ONT, 12/09/2026: From $95
    09

    Wed

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

    Thu

    • Range$95-$447

    *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:
    Norman Y. Mineta San José International Airport
    Arriving at:
    LA/Ontario International Airport
    Average flight time:
    1 hour 16 minutes
    Distance:
    333 miles

    Questions we hear the most

    The average flight time from San Jose, CA to Ontario/LA is 1 hour 16 minutes.
    There are 139 weekly flights from San Jose, CA to Ontario/LA on Southwest Airlines.
    Yes, Southwest flies nonstop from San Jose, CA to Ontario/LA 3 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from San Jose, CA 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 San Jose, CA 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 San Jose, CA 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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