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

Promo Code

Low fares from Ontario/LA to San Jose, CA

$

Ontario/LA (ONT)to

San Jose, CA (SJC)
Depart: 12/30/2026

One-way

Basic

From
$59
Seen: 19 hrs ago

Ontario/LA (ONT)to

San Jose, CA (SJC)
Depart: 01/18/2027

One-way

Basic

From
$59
Seen: 21 hrs ago

Ontario/LA (ONT)to

San Jose, CA (SJC)
Depart: 11/19/2026

One-way

Basic

From
$59
Seen: 18 hrs ago

Ontario/LA (ONT)to

San Jose, CA (SJC)
Depart: 12/03/2026

One-way

Basic

From
$59
Seen: 22 hrs ago

Ontario/LA (ONT)to

San Jose, CA (SJC)
Depart: 02/03/2027

One-way

Basic

From
$59
Seen: 22 hrs ago

Ontario/LA (ONT)to

San Jose, CA (SJC)
Depart: 12/05/2026

One-way

Basic

From
$59
Seen: 22 hrs ago

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Explore flights from Ontario/LA to San Jose, CA

Oct 2026
From$442*
Seen: 6 hrs ago
One Way/Basic
Nov 2026
From$59*
Seen: 18 hrs ago
One Way/Basic
Dec 2026
From$59*
Seen: 7 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $59
cmp-daily-histogram-bars-legend-max-price-aria-label $442
Displaying fares for October-2026
  • ONT–SJC, 10/28/2026: From $442
    28

    Wed

    OCT

  • ONT–SJC, 10/29/2026: From $442
    29

    Thu

  • ONT–SJC, 10/30/2026: From $442
    30

    Fri

  • ONT–SJC, 10/31/2026: From $442
    31

    Sat

  • ONT–SJC, 11/01/2026: From $442
    01

    Sun

    NOV

  • ONT–SJC, 11/02/2026: From $442
    02

    Mon

  • ONT–SJC, 11/03/2026: From $353
    03

    Tue

  • ONT–SJC, 11/04/2026: From $353
    04

    Wed

  • ONT–SJC, 11/05/2026: From $353
    05

    Thu

  • ONT–SJC, 11/06/2026: From $353
    06

    Fri

  • ONT–SJC, 11/07/2026: From $353
    07

    Sat

  • ONT–SJC, 11/08/2026: From $353
    08

    Sun

  • ONT–SJC, 11/09/2026: From $353
    09

    Mon

  • ONT–SJC, 11/10/2026: From $240
    10

    Tue

  • ONT–SJC, 11/11/2026: From $240
    11

    Wed

  • ONT–SJC, 11/12/2026: From $240
    12

    Thu

  • ONT–SJC, 11/13/2026: From $240
    13

    Fri

  • ONT–SJC, 11/14/2026: From $240
    14

    Sat

  • ONT–SJC, 11/15/2026: From $240
    15

    Sun

  • ONT–SJC, 11/16/2026: From $143
    16

    Mon

  • ONT–SJC, 11/17/2026: From $59
    17

    Tue

  • ONT–SJC, 11/18/2026: From $59
    18

    Wed

  • ONT–SJC, 11/19/2026: From $59
    19

    Thu

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

    Fri

  • ONT–SJC, 11/21/2026: From $69
    21

    Sat

  • ONT–SJC, 11/22/2026: From $79
    22

    Sun

  • ONT–SJC, 11/23/2026: From $59
    23

    Mon

  • ONT–SJC, 11/24/2026: From $59
    24

    Tue

  • ONT–SJC, 11/25/2026: From $74
    25

    Wed

  • ONT–SJC, 11/26/2026: From $106
    26

    Thu

  • ONT–SJC, 11/27/2026: From $59
    27

    Fri

    • Range$59-$442

    *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:
    Norman Y. Mineta San José International Airport
    Average flight time:
    1 hour 14 minutes
    Distance:
    333 miles

    Questions we hear the most

    The average flight time from Ontario/LA to San Jose, CA is 1 hour 14 minutes.
    There are 142 weekly flights from Ontario/LA to San Jose, CA on Southwest Airlines.
    Yes, Southwest flies nonstop from Ontario/LA to San Jose, CA 3 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Ontario/LA to San Jose, CA 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 San Jose, CA with Southwest, check out our Low Fare Calendar.
    You can rent a car at Norman Y. Mineta San José International Airport book yours with your flight.
    Yes! Flights from Ontario/LA to San Jose, CA—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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