Southwest® flights from Ontario/LA to Oakland from $129

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Low fares from Ontario/LA to Oakland

$

Ontario/LA (ONT)to

Oakland (OAK)
Depart: 10/28/2026

One-way

Basic

From
$129
Seen: 12 hrs ago

Ontario/LA (ONT)to

Oakland (OAK)
Depart: 11/03/2026

One-way

Basic

From
$129
Seen: 9 hrs ago

Ontario/LA (ONT)to

Oakland (OAK)
Depart: 12/02/2026

One-way

Basic

From
$129
Seen: 6 hrs ago

Ontario/LA (ONT)to

Oakland (OAK)
Depart: 12/09/2026

One-way

Basic

From
$129
Seen: 11 hrs ago

Ontario/LA (ONT)to

Oakland (OAK)
Depart: 11/05/2026

One-way

Basic

From
$129
Seen: 5 hrs ago

Ontario/LA (ONT)to

Oakland (OAK)
Depart: 10/19/2026

One-way

Basic

From
$129
Seen: 5 hrs ago

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Explore flights from Ontario/LA to Oakland

Sep 2026
From$408*
Seen: 11 hrs ago
One Way/Basic
Oct 2026
From$129*
Seen: 13 hrs ago
One Way/Basic
Nov 2026
From$129*
Seen: 19 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $129
cmp-daily-histogram-bars-legend-max-price-aria-label $408
Displaying fares for September-2026
  • ONT–OAK, 09/29/2026: From $408
    29

    Tue

    SEP

  • ONT–OAK, 09/30/2026: From $408
    30

    Wed

  • ONT–OAK, 10/01/2026: From $408
    01

    Thu

    OCT

  • ONT–OAK, 10/02/2026: From $408
    02

    Fri

  • ONT–OAK, 10/03/2026: From $408
    03

    Sat

  • ONT–OAK, 10/04/2026: From $408
    04

    Sun

  • ONT–OAK, 10/05/2026: From $302
    05

    Mon

  • ONT–OAK, 10/06/2026: From $302
    06

    Tue

  • ONT–OAK, 10/07/2026: From $302
    07

    Wed

  • ONT–OAK, 10/08/2026: From $302
    08

    Thu

  • ONT–OAK, 10/09/2026: From $302
    09

    Fri

  • ONT–OAK, 10/10/2026: From $302
    10

    Sat

  • ONT–OAK, 10/11/2026: From $220
    11

    Sun

  • ONT–OAK, 10/12/2026: From $220
    12

    Mon

  • ONT–OAK, 10/13/2026: From $220
    13

    Tue

  • ONT–OAK, 10/14/2026: From $220
    14

    Wed

  • ONT–OAK, 10/15/2026: From $220
    15

    Thu

  • ONT–OAK, 10/16/2026: From $220
    16

    Fri

  • ONT–OAK, 10/17/2026: From $220
    17

    Sat

  • ONT–OAK, 10/18/2026: From $180
    18

    Sun

  • ONT–OAK, 10/19/2026: From $129
    19

    Mon

  • ONT–OAK, 10/20/2026: From $129
    20

    Tue

  • ONT–OAK, 10/21/2026: From $129
    21

    Wed

  • ONT–OAK, 10/22/2026: From $129
    22

    Thu

  • ONT–OAK, 10/23/2026: From $138
    23

    Fri

  • ONT–OAK, 10/24/2026: From $129
    24

    Sat

  • ONT–OAK: cmp-view-offers-disclaimer. Find Offers
    25

    Sun

  • ONT–OAK, 10/26/2026: From $129
    26

    Mon

  • ONT–OAK, 10/27/2026: From $129
    27

    Tue

  • ONT–OAK, 10/28/2026: From $129
    28

    Wed

    • Range$129-$408

    *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:
    Oakland International Airport
    Average flight time:
    1 hour 20 minutes
    Distance:
    362 miles

    Route Information

    149† Weekly flights
    • 4‡ Nonstop flights per day Monday through Friday
    • 3‡ Nonstop flights on Saturday
    • 5‡ Nonstop flights on Sunday

    † Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.

    ‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.

    Questions we hear the most

    The average flight time from Ontario/LA to Oakland is 1 hour 20 minutes.
    There are 149 weekly flights from Ontario/LA to Oakland on Southwest Airlines.
    Yes, Southwest flies nonstop from Ontario/LA to Oakland 4 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Ontario/LA to Oakland 3 times per day on Saturdays and 5 times per day on Sundays.
    To find the lowest fares by day and time to fly Ontario/LA to Oakland with Southwest, check out our Low Fare Calendar.
    You can rent a car at Oakland International Airport book yours with your flight.
    Yes! Flights from Ontario/LA to Oakland—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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