Southwest® flights from Ontario/LA to Oakland from $119

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Low fares from Ontario/LA to Oakland

$

Ontario/LA (ONT)to

Oakland (OAK)
Depart: 09/15/2026

One-way

Basic

From
$119
Seen: 23 hrs ago

Ontario/LA (ONT)to

Oakland (OAK)
Depart: 09/16/2026

One-way

Basic

From
$119
Seen: 14 hrs ago

Ontario/LA (ONT)to

Oakland (OAK)
Depart: 10/29/2026

One-way

Basic

From
$119
Seen: 19 hrs ago

Ontario/LA (ONT)to

Oakland (OAK)
Depart: 11/09/2026

One-way

Basic

From
$119
Seen: 15 hrs ago

Ontario/LA (ONT)to

Oakland (OAK)
Depart: 10/08/2026

One-way

Basic

From
$119
Seen: 15 hrs ago

Ontario/LA (ONT)to

Oakland (OAK)
Depart: 09/23/2026

One-way

Basic

From
$119
Seen: 6 hrs ago

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Explore flights from Ontario/LA to Oakland

Aug 2026
From$282*
Seen: 11 hrs ago
One Way/Basic
Sep 2026
From$119*
Seen: 20 hrs ago
One Way/Basic
Oct 2026
From$119*
Seen: 22 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $119
cmp-daily-histogram-bars-legend-max-price-aria-label $411
Displaying fares for August-2026
  • ONT–OAK, 08/20/2026: From $411
    20

    Thu

    AUG

  • ONT–OAK, 08/21/2026: From $411
    21

    Fri

  • ONT–OAK, 08/22/2026: From $388
    22

    Sat

  • ONT–OAK, 08/23/2026: From $411
    23

    Sun

  • ONT–OAK, 08/24/2026: From $411
    24

    Mon

  • ONT–OAK, 08/25/2026: From $388
    25

    Tue

  • ONT–OAK, 08/26/2026: From $388
    26

    Wed

  • ONT–OAK: cmp-view-offers-disclaimer. Find Offers
    27

    Thu

  • ONT–OAK, 08/28/2026: From $282
    28

    Fri

  • ONT–OAK, 08/29/2026: From $282
    29

    Sat

  • ONT–OAK, 08/30/2026: From $282
    30

    Sun

  • ONT–OAK, 08/31/2026: From $282
    31

    Mon

  • ONT–OAK, 09/01/2026: From $282
    01

    Tue

    SEP

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

    Wed

  • ONT–OAK, 09/03/2026: From $200
    03

    Thu

  • ONT–OAK, 09/04/2026: From $200
    04

    Fri

  • ONT–OAK, 09/05/2026: From $200
    05

    Sat

  • ONT–OAK, 09/06/2026: From $200
    06

    Sun

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

    Mon

  • ONT–OAK, 09/08/2026: From $200
    08

    Tue

  • ONT–OAK, 09/09/2026: From $200
    09

    Wed

  • ONT–OAK, 09/10/2026: From $119
    10

    Thu

  • ONT–OAK, 09/11/2026: From $129
    11

    Fri

  • ONT–OAK, 09/12/2026: From $119
    12

    Sat

  • ONT–OAK, 09/13/2026: From $160
    13

    Sun

  • ONT–OAK, 09/14/2026: From $119
    14

    Mon

  • ONT–OAK, 09/15/2026: From $119
    15

    Tue

  • ONT–OAK, 09/16/2026: From $119
    16

    Wed

  • ONT–OAK, 09/17/2026: From $119
    17

    Thu

  • ONT–OAK, 09/18/2026: From $129
    18

    Fri

  • ONT–OAK, 09/19/2026: From $119
    19

    Sat

    • Range$119-$411

    *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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