Southwest® flights from Raleigh/Durham to Ontario/LA from $189

Promo Code

Low fares from Raleigh/Durham to Ontario/LA

$

Raleigh/Durham (RDU)to

Ontario/LA (ONT)
Depart: 12/03/2026

One-way

Basic

From
$189
Seen: 46 minutes ago

Raleigh/Durham (RDU)to

Ontario/LA (ONT)
Depart: 09/30/2026

One-way

Basic

From
$189
Seen: 22 hrs ago

Raleigh/Durham (RDU)to

Ontario/LA (ONT)
Depart: 10/24/2026

One-way

Basic

From
$189
Seen: 21 hrs ago

Raleigh/Durham (RDU)to

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

One-way

Basic

From
$189
Seen: 10 hrs ago

Raleigh/Durham (RDU)to

Ontario/LA (ONT)
Depart: 10/27/2026

One-way

Basic

From
$189
Seen: 13 hrs ago

Raleigh/Durham (RDU)to

Ontario/LA (ONT)
Depart: 11/12/2026

One-way

Basic

From
$189
Seen: 8 hrs ago

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Explore flights from Raleigh/Durham to Ontario/LA

Sep 2026
From$189*
Seen: 22 hrs ago
One Way/Basic
Oct 2026
From$189*
Seen: 21 hrs ago
One Way/Basic
Nov 2026
From$189*
Seen: 10 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $189
cmp-daily-histogram-bars-legend-max-price-aria-label $584
Displaying fares for September-2026
  • RDU–ONT, 09/11/2026: From $574
    11

    Fri

    SEP

  • RDU–ONT, 09/12/2026: From $584
    12

    Sat

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    13

    Sun

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    14

    Mon

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    15

    Tue

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    16

    Wed

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    17

    Thu

  • RDU–ONT, 09/18/2026: From $504
    18

    Fri

  • RDU–ONT, 09/19/2026: From $504
    19

    Sat

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    20

    Sun

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    21

    Mon

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    22

    Tue

  • RDU–ONT, 09/23/2026: From $304
    23

    Wed

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    24

    Thu

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    25

    Fri

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    26

    Sat

  • RDU–ONT, 09/27/2026: From $304
    27

    Sun

  • RDU–ONT, 09/28/2026: From $304
    28

    Mon

  • RDU–ONT, 09/29/2026: From $304
    29

    Tue

  • RDU–ONT, 09/30/2026: From $189
    30

    Wed

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    01

    Thu

    OCT

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    02

    Fri

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    03

    Sat

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    04

    Sun

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    05

    Mon

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    06

    Tue

  • RDU–ONT, 10/07/2026: From $206
    07

    Wed

  • RDU–ONT, 10/08/2026: From $300
    08

    Thu

  • RDU–ONT, 10/09/2026: From $249
    09

    Fri

  • RDU–ONT: cmp-view-offers-disclaimer. Find Offers
    10

    Sat

    • Range$189-$584

    *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:
    Raleigh/Durham Airport
    Arriving at:
    LA/Ontario International Airport
    Distance:
    2192 miles

    Route Information

    114† Weekly flights

    † 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

    There are 114 weekly flights from Raleigh/Durham to Ontario/LA on Southwest Airlines.
    To find the lowest fares by day and time to fly Raleigh/Durham 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 Raleigh/Durham 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.

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