Southwest® flights from Ontario/LA to Fort Myers/Naples from $189

Promo Code

Low fares from Ontario/LA to Fort Myers/Naples

$

Ontario/LA (ONT)to

Fort Myers/Naples (RSW)
Depart: 08/18/2026

One-way

Basic

From
$189
Seen: 5 hrs ago

Ontario/LA (ONT)to

Fort Myers/Naples (RSW)
Depart: 09/11/2026

One-way

Basic

From
$194
Seen: 20 hrs ago

Ontario/LA (ONT)to

Fort Myers/Naples (RSW)
Depart: 10/24/2026

One-way

Basic

From
$207
Seen: 11 hrs ago

Ontario/LA (ONT)to

Fort Myers/Naples (RSW)
Depart: 10/05/2026

One-way

Basic

From
$207
Seen: 9 hrs ago

Ontario/LA (ONT)to

Fort Myers/Naples (RSW)
Depart: 09/06/2026

One-way

Basic

From
$239
Seen: 6 hrs ago

Ontario/LA (ONT)to

Fort Myers/Naples (RSW)
Depart: 08/18/2026

One-way

Choice

From
$244
Seen: 5 hrs ago

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Explore flights from Ontario/LA to Fort Myers/Naples

Aug 2026
From$189*
Seen: 5 hrs ago
One Way/Basic
Sep 2026
From$194*
Seen: 20 hrs ago
One Way/Basic
Oct 2026
From$207*
Seen: 9 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $189
Displaying fares for August-2026
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  • ONT–RSW, 08/07/2026: From $418
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  • ONT–RSW, 08/16/2026: From $372
    16

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  • ONT–RSW, 08/18/2026: From $189
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    • Range$189-$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:
    LA/Ontario International Airport
    Arriving at:
    Southwest Florida Regional Airport
    Distance:
    2192 miles

    Route Information

    62† 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 62 weekly flights from Ontario/LA to Fort Myers/Naples on Southwest Airlines.
    To find the lowest fares by day and time to fly Ontario/LA to Fort Myers/Naples with Southwest, check out our Low Fare Calendar.
    You can rent a car at Southwest Florida Regional Airport book yours with your flight.
    Yes! Flights from Ontario/LA to Fort Myers/Naples—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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