American Airlines flights from Sioux Falls to Portland, ME

Recent searches for flights from Sioux Falls to Portland, ME

Sep 2026
From$346*
Updated: 3 hours ago
Round tripIEconomy
Oct 2026
From$333*
Updated: 3 hours ago
Round tripIEconomy
Nov 2026
From$338*
Updated: 3 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $346
cmp-daily-histogram-bars-legend-max-price-aria-label $1.1K
Displaying fares for September-2026
  • FSD–PWM, 09/02/26 – 09/09/26: From $494
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  • FSD–PWM, 09/03/26 – 09/10/26: From $960
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  • FSD–PWM, 09/04/26 – 09/11/26: From $795
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  • FSD–PWM, 09/05/26 – 09/12/26: From $444
    05

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  • FSD–PWM, 09/06/26 – 09/13/26: From $825
    06

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  • FSD–PWM, 09/07/26 – 09/14/26: From $892
    07

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  • FSD–PWM, 09/08/26 – 09/15/26: From $449
    08

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  • FSD–PWM, 09/09/26 – 09/16/26: From $429
    09

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  • FSD–PWM, 09/10/26 – 09/17/26: From $591
    10

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  • FSD–PWM, 09/11/26 – 09/18/26: From $683
    11

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  • FSD–PWM, 09/12/26 – 09/19/26: From $382
    12

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  • FSD–PWM, 09/13/26 – 09/20/26: From $875
    13

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  • FSD–PWM, 09/14/26 – 09/21/26: From $744
    14

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  • FSD–PWM, 09/15/26 – 09/22/26: From $477
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  • FSD–PWM, 09/16/26 – 09/23/26: From $674
    16

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  • FSD–PWM, 09/17/26 – 09/24/26: From $700
    17

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  • FSD–PWM, 09/18/26 – 09/25/26: From $681
    18

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  • FSD–PWM, 09/19/26 – 09/26/26: From $432
    19

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  • FSD–PWM, 09/20/26 – 09/27/26: From $819
    20

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  • FSD–PWM, 09/21/26 – 09/28/26: From $762
    21

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  • FSD–PWM, 09/22/26 – 09/29/26: From $399
    22

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  • FSD–PWM, 09/23/26 – 09/30/26: From $680
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  • FSD–PWM, 09/24/26 – 10/01/26: From $671
    24

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  • FSD–PWM, 09/25/26 – 10/02/26: From $556
    25

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  • FSD–PWM, 09/26/26 – 10/03/26: From $396
    26

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  • FSD–PWM, 09/27/26 – 10/04/26: From $1,113
    27

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  • FSD–PWM, 09/28/26 – 10/05/26: From $724
    28

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  • FSD–PWM, 09/29/26 – 10/06/26: From $346
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  • FSD–PWM: cmp-view-offers-disclaimer. Find Offers
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  • FSD–PWM: cmp-view-offers-disclaimer. Find Offers
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    OCT

    • range$346-$1,113

    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 Sioux Falls to Portland, ME flights

    $
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    Sioux Falls (FSD)to

    Portland, ME (PWM)
    10/21/26 - 10/28/26

    Round trip

    Economy

    from
    $333Fare subject to changes
    Updated: 3 hours ago

    Sioux Falls (FSD)to

    Portland, ME (PWM)
    10/28/26 - 11/04/26

    Round trip

    Economy

    from
    $333Fare subject to changes
    Updated: 3 hours ago

    Sioux Falls (FSD)to

    Portland, ME (PWM)
    10/24/26 - 10/31/26

    Round trip

    Economy

    from
    $333Fare subject to changes
    Updated: 3 hours ago

    Sioux Falls (FSD)to

    Portland, ME (PWM)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $333Fare subject to changes
    Updated: 3 hours ago

    Sioux Falls (FSD)to

    Portland, ME (PWM)
    10/17/26 - 10/24/26

    Round trip

    Economy

    from
    $338Fare subject to changes
    Updated: 3 hours ago

    Sioux Falls (FSD)to

    Portland, ME (PWM)
    11/03/26 - 11/10/26

    Round trip

    Economy

    from
    $338Fare subject to changes
    Updated: 3 hours ago

    Sioux Falls (FSD)to

    Portland, ME (PWM)
    11/07/26 - 11/14/26

    Round trip

    Economy

    from
    $338Fare subject to changes
    Updated: 3 hours ago

    Sioux Falls (FSD)to

    Portland, ME (PWM)
    11/10/26 - 11/17/26

    Round trip

    Economy

    from
    $338Fare subject to changes
    Updated: 3 hours 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.

    Finding cheap flights from Sioux Falls to Portland, ME

    Looking for lower fares on your trip from Sioux Falls to Portland, ME? Here are a few ways to save.

    • Book early: Booking 1 to 3 months ahead can help you find lower fares
    • Be flexible with dates: Midweek travel, like Tuesdays and Wednesdays, can be more affordable
    • Travel during less busy periods: Flying outside peak travel times can help find lower fares and avoid crowds

    Earn up to $500 back on your next American Airlines flight plus, 30,000 bonus miles. Offers vary elsewhere. Opens another site in a new window that may not meet accessibility guidelines.

    Upgrade your flight with Main Cabin Extra

    Make your trip more comfortable with Main Cabin Extra. Enjoy benefits like:

    • Extra legroom: More space with seats at the front of the Main Cabin or in exit rows.
    • Early boarding: Preferred Group 5 boarding allows easier access to overhead bins.
    • Complimentary drinks: Enjoy beer, wine and spirits on flights with full beverage service.

    Discover how Main Cabin Extra can enhance your trip.

    American Airlines flights from Sioux Falls to Portland, ME