American Airlines flights from Ontario to Sioux Falls

Recent searches for flights from Ontario to Sioux Falls

Apr 2026
From$330*
Updated: 39 minutes ago
Round tripIEconomy
May 2026
From$311*
Updated: 39 minutes ago
Round tripIEconomy
Jun 2026
From$349*
Updated: 39 minutes ago
Round tripIEconomy
$330
$889
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    • range$330-$889

    DisclaimerFares displayed have been collected within the last 24hrs and may no longer be available at time of booking. Modifying this information may result in a different fare. To find the most updated fare, please visit aa.com. Fares listed may be Basic Economy, which class is subject to additional terms and conditions. Additional baggage fees and charges for optional products and services may apply.

    Find deals on Ontario to Sioux Falls flights

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    Ontario (ONT)to

    Sioux Falls (FSD)
    05/02/26 - 05/09/26

    Round trip

    Economy

    from
    $311Fare subject to changes
    Updated: 39 minutes ago

    Ontario (ONT)to

    Sioux Falls (FSD)
    05/23/26 - 05/30/26

    Round trip

    Economy

    from
    $311Fare subject to changes
    Updated: 39 minutes ago

    Ontario (ONT)to

    Sioux Falls (FSD)
    05/05/26 - 05/12/26

    Round trip

    Economy

    from
    $311Fare subject to changes
    Updated: 39 minutes ago

    Ontario (ONT)to

    Sioux Falls (FSD)
    05/06/26 - 05/13/26

    Round trip

    Economy

    from
    $311Fare subject to changes
    Updated: 39 minutes ago

    Ontario (ONT)to

    Sioux Falls (FSD)
    05/09/26 - 05/16/26

    Round trip

    Economy

    from
    $311Fare subject to changes
    Updated: 39 minutes ago

    Ontario (ONT)to

    Sioux Falls (FSD)
    04/25/26 - 05/02/26

    Round trip

    Economy

    from
    $330Fare subject to changes
    Updated: 39 minutes ago

    Ontario (ONT)to

    Sioux Falls (FSD)
    05/20/26 - 05/27/26

    Round trip

    Economy

    from
    $330Fare subject to changes
    Updated: 39 minutes ago

    Ontario (ONT)to

    Sioux Falls (FSD)
    05/12/26 - 05/19/26

    Round trip

    Economy

    from
    $330Fare subject to changes
    Updated: 39 minutes ago

    *Fares displayed have been collected within the last 24hrs and may no longer be available at time of booking. Some fares listed may include one or more connections that are Basic Economy, which class is subject to additional terms and conditions. Modifying this information may result in a different fare. To find the most updated fare, please visit aa.com. Additional baggage fees and charges for optional products and services may apply.

    American Airlines flights from Ontario to Sioux Falls

    Earn up to $200 back on your next American Airlines flight plus, 40,000 bonus miles. Offers vary elsewhere. Opens another site in a new window that may not meet accessibility guidelines.