Southwest® flights from Oakland to Ontario/LA from $102

Promo Code

Low fares from Oakland to Ontario/LA

$

Oakland (OAK)to

Ontario/LA (ONT)
Depart: 12/02/2026

One-way

Basic

From
$102
Seen: 22 hrs ago

Oakland (OAK)to

Ontario/LA (ONT)
Depart: 12/22/2026

One-way

Basic

From
$102
Seen: 8 hrs ago

Oakland (OAK)to

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

One-way

Basic

From
$102
Seen: 7 hrs ago

Oakland (OAK)to

Ontario/LA (ONT)
Depart: 12/09/2026

One-way

Basic

From
$102
Seen: 7 hrs ago

Oakland (OAK)to

Ontario/LA (ONT)
Depart: 12/01/2026

One-way

Basic

From
$102
Seen: 3 hrs ago

Oakland (OAK)to

Ontario/LA (ONT)
Depart: 11/24/2026

One-way

Basic

From
$102
Seen: 53 minutes ago

Looking for more low-fare flights?

Check out the Low Fare Calendar to find a fare that works for you. Just choose the month you want to depart and return, and we’ll show you the best fares available.

Find low fares

Explore flights from Oakland to Ontario/LA

Oct 2026
From$312*
Seen: 1 hour ago
One Way/Basic
Nov 2026
From$102*
Seen: 2 hrs ago
One Way/Basic
Dec 2026
From$102*
Seen: 7 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $102
cmp-daily-histogram-bars-legend-max-price-aria-label $418
Displaying fares for October-2026
  • OAK–ONT, 10/20/2026: From $418
    20

    Tue

    OCT

  • OAK–ONT, 10/21/2026: From $418
    21

    Wed

  • OAK–ONT, 10/22/2026: From $418
    22

    Thu

  • OAK–ONT, 10/23/2026: From $418
    23

    Fri

  • OAK–ONT, 10/24/2026: From $418
    24

    Sat

  • OAK–ONT, 10/25/2026: From $418
    25

    Sun

  • OAK–ONT, 10/26/2026: From $312
    26

    Mon

  • OAK–ONT, 10/27/2026: From $312
    27

    Tue

  • OAK–ONT, 10/28/2026: From $312
    28

    Wed

  • OAK–ONT: cmp-view-offers-disclaimer. Find Offers
    29

    Thu

  • OAK–ONT, 10/30/2026: From $312
    30

    Fri

  • OAK–ONT: cmp-view-offers-disclaimer. Find Offers
    31

    Sat

  • OAK–ONT, 11/01/2026: From $312
    01

    Sun

    NOV

  • OAK–ONT, 11/02/2026: From $230
    02

    Mon

  • OAK–ONT, 11/03/2026: From $230
    03

    Tue

  • OAK–ONT: cmp-view-offers-disclaimer. Find Offers
    04

    Wed

  • OAK–ONT, 11/05/2026: From $230
    05

    Thu

  • OAK–ONT, 11/06/2026: From $230
    06

    Fri

  • OAK–ONT, 11/07/2026: From $230
    07

    Sat

  • OAK–ONT, 11/08/2026: From $230
    08

    Sun

  • OAK–ONT, 11/09/2026: From $114
    09

    Mon

  • OAK–ONT, 11/10/2026: From $114
    10

    Tue

  • OAK–ONT, 11/11/2026: From $114
    11

    Wed

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

    Thu

  • OAK–ONT, 11/13/2026: From $114
    13

    Fri

  • OAK–ONT, 11/14/2026: From $114
    14

    Sat

  • OAK–ONT: cmp-view-offers-disclaimer. Find Offers
    15

    Sun

  • OAK–ONT: cmp-view-offers-disclaimer. Find Offers
    16

    Mon

  • OAK–ONT, 11/17/2026: From $114
    17

    Tue

  • OAK–ONT, 11/18/2026: From $102
    18

    Wed

  • OAK–ONT, 11/19/2026: From $114
    19

    Thu

    • Range$102-$418

    *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:
    Oakland International Airport
    Arriving at:
    LA/Ontario International Airport
    Average flight time:
    1 hour 21 minutes
    Distance:
    362 miles

    Explore Ontario/LA

    Touching down in Ontario offers a world of possibilities. From its location in San Bernardino, Ontario International Airport offers easy access to Los Angeles and greater Southern California. The airport itself is worthy of exploration. It’s often used to film airport scenes in television shows, movies, and music videos. Being close to Hollywood has its benefits.

    Los Angeles and all its eclectic neighborhoods are easily accessible via Interstate 10 after you arrive. Visit Koreatown and experience one of the country’s best dining scenes. Head to Beverly Hills and Rodeo Drive to do some shopping, even if it’s only the window variety. Catch a ball game at Chavez Ravine. Head all the way to the coast and gorgeous Santa Monica. We’re only scratching the surface.

    Questions we hear the most

    The average flight time from Oakland to Ontario/LA is 1 hour 21 minutes.
    There are 147 weekly flights from Oakland to Ontario/LA on Southwest Airlines.
    Yes, Southwest flies nonstop from Oakland to Ontario/LA 4 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Oakland to Ontario/LA 3 times per day on Saturdays and 5 times per day on Sundays.
    To find the lowest fares by day and time to fly Oakland 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 Oakland 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.

    Explore Flights from Other Popular Origins

    Popular Flights from Oakland