Southwest® flights from Ontario/LA to Oakland from $110

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Low fares from Ontario/LA to Oakland

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Ontario/LA (ONT)to

Oakland (OAK)
Depart: 10/08/2026

One-way

Basic

From
$110
Seen: 18 hrs ago

Ontario/LA (ONT)to

Oakland (OAK)
Depart: 10/17/2026

One-way

Basic

From
$110
Seen: 16 hrs ago

Ontario/LA (ONT)to

Oakland (OAK)
Depart: 10/19/2026

One-way

Basic

From
$110
Seen: 15 hrs ago

Ontario/LA (ONT)to

Oakland (OAK)
Depart: 09/23/2026

One-way

Basic

From
$110
Seen: 15 hrs ago

Ontario/LA (ONT)to

Oakland (OAK)
Depart: 10/22/2026

One-way

Basic

From
$110
Seen: 16 hrs ago

Ontario/LA (ONT)to

Oakland (OAK)
Depart: 09/10/2026

One-way

Basic

From
$110
Seen: 14 hrs ago

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Explore flights from Ontario/LA to Oakland

Jul 2026
From$411*
Seen: 19 hrs ago
One Way/Basic
Aug 2026
From$110*
Seen: 16 hrs ago
One Way/Basic
Sep 2026
From$110*
Seen: 2 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $110
cmp-daily-histogram-bars-legend-max-price-aria-label $411
Displaying fares for July-2026
  • ONT–OAK, 07/30/2026: From $411
    30

    Thu

    JUL

  • ONT–OAK, 07/31/2026: From $411
    31

    Fri

  • ONT–OAK: cmp-view-offers-disclaimer. Find Offers
    01

    Sat

    AUG

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

    Sun

  • ONT–OAK, 08/03/2026: From $411
    03

    Mon

  • ONT–OAK, 08/04/2026: From $388
    04

    Tue

  • ONT–OAK, 08/05/2026: From $282
    05

    Wed

  • ONT–OAK, 08/06/2026: From $299
    06

    Thu

  • ONT–OAK, 08/07/2026: From $299
    07

    Fri

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

    Sat

  • ONT–OAK, 08/09/2026: From $299
    09

    Sun

  • ONT–OAK, 08/10/2026: From $299
    10

    Mon

  • ONT–OAK, 08/11/2026: From $282
    11

    Tue

  • ONT–OAK: cmp-view-offers-disclaimer. Find Offers
    12

    Wed

  • ONT–OAK, 08/13/2026: From $216
    13

    Thu

  • ONT–OAK, 08/14/2026: From $216
    14

    Fri

  • ONT–OAK, 08/15/2026: From $200
    15

    Sat

  • ONT–OAK, 08/16/2026: From $216
    16

    Sun

  • ONT–OAK, 08/17/2026: From $216
    17

    Mon

  • ONT–OAK: cmp-view-offers-disclaimer. Find Offers
    18

    Tue

  • ONT–OAK, 08/19/2026: From $110
    19

    Wed

  • ONT–OAK, 08/20/2026: From $110
    20

    Thu

  • ONT–OAK, 08/21/2026: From $139
    21

    Fri

  • ONT–OAK, 08/22/2026: From $110
    22

    Sat

  • ONT–OAK, 08/23/2026: From $160
    23

    Sun

  • ONT–OAK, 08/24/2026: From $110
    24

    Mon

  • ONT–OAK, 08/25/2026: From $110
    25

    Tue

  • ONT–OAK, 08/26/2026: From $110
    26

    Wed

  • ONT–OAK, 08/27/2026: From $110
    27

    Thu

  • ONT–OAK, 08/28/2026: From $139
    28

    Fri

  • ONT–OAK, 08/29/2026: From $110
    29

    Sat

    • Range$110-$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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