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

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Low fares from Spokane to Ontario/LA

$

Spokane (GEG)to

Ontario/LA (ONT)
Depart: 08/28/2026

One-way

Basic

From
$129
Seen: 4 hrs ago

Spokane (GEG)to

Ontario/LA (ONT)
Depart: 08/21/2026

One-way

Basic

From
$129
Seen: 12 hrs ago

Spokane (GEG)to

Ontario/LA (ONT)
Depart: 08/20/2026

One-way

Basic

From
$129
Seen: 21 hrs ago

Spokane (GEG)to

Ontario/LA (ONT)
Depart: 08/14/2026

One-way

Basic

From
$129
Seen: 19 hrs ago

Spokane (GEG)to

Ontario/LA (ONT)
Depart: 08/19/2026

One-way

Basic

From
$129
Seen: 14 hrs ago

Spokane (GEG)to

Ontario/LA (ONT)
Depart: 08/18/2026

One-way

Basic

From
$129
Seen: 14 hrs ago

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Explore flights from Spokane to Ontario/LA

Aug 2026
From$129*
Seen: 4 hrs ago
One Way/Basic
Sep 2026
From$192*
Seen: 23 hrs ago
One Way/Basic
Oct 2026
From$192*
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 $284
Displaying fares for August-2026
  • GEG–ONT: cmp-view-offers-disclaimer. Find Offers
    02

    Sun

    AUG

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    03

    Mon

  • GEG–ONT, 08/04/2026: From $284
    04

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  • GEG–ONT, 08/05/2026: From $284
    05

    Wed

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    06

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    08

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    09

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    10

    Mon

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    11

    Tue

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    12

    Wed

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    13

    Thu

  • GEG–ONT, 08/14/2026: From $129
    14

    Fri

  • GEG–ONT, 08/15/2026: From $134
    15

    Sat

  • GEG–ONT, 08/16/2026: From $249
    16

    Sun

  • GEG–ONT, 08/17/2026: From $209
    17

    Mon

  • GEG–ONT, 08/18/2026: From $129
    18

    Tue

  • GEG–ONT, 08/19/2026: From $129
    19

    Wed

  • GEG–ONT, 08/20/2026: From $129
    20

    Thu

  • GEG–ONT, 08/21/2026: From $129
    21

    Fri

  • GEG–ONT: cmp-view-offers-disclaimer. Find Offers
    22

    Sat

  • GEG–ONT, 08/23/2026: From $209
    23

    Sun

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    24

    Mon

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    25

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    26

    Wed

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

    Thu

  • GEG–ONT, 08/28/2026: From $129
    28

    Fri

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    29

    Sat

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    30

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    31

    Mon

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    01

    Tue

    SEP

    • Range$129-$284

    *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:
    Spokane International Airport
    Arriving at:
    LA/Ontario International Airport
    Distance:
    936 miles

    Route Information

    121† 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 121 weekly flights from Spokane to Ontario/LA on Southwest Airlines.
    To find the lowest fares by day and time to fly Spokane 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 Spokane 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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