American Airlines flights from Portland, OR to Sioux Falls

Recent searches for flights from Portland, OR to Sioux Falls

Aug 2026
From$400*
Updated: 11 hours ago
Round tripIEconomy
Sep 2026
From$301*
Updated: 11 hours ago
Round tripIEconomy
Oct 2026
From$301*
Updated: 11 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $320
cmp-daily-histogram-bars-legend-max-price-aria-label $721
Displaying fares for August-2026
  • PDX–FSD: cmp-view-offers-disclaimer. Find Offers
    13

    Th

    AUG

  • PDX–FSD, 08/14/26 – 08/21/26: From $506
    14

    Fr

  • PDX–FSD, 08/15/26 – 08/22/26: From $497
    15

    Sa

  • PDX–FSD, 08/16/26 – 08/23/26: From $721
    16

    Su

  • PDX–FSD, 08/17/26 – 08/24/26: From $721
    17

    Mo

  • PDX–FSD, 08/18/26 – 08/25/26: From $433
    18

    Tu

  • PDX–FSD, 08/19/26 – 08/26/26: From $462
    19

    We

  • PDX–FSD, 08/20/26 – 08/27/26: From $444
    20

    Th

  • PDX–FSD, 08/21/26 – 08/28/26: From $444
    21

    Fr

  • PDX–FSD, 08/22/26 – 08/29/26: From $401
    22

    Sa

  • PDX–FSD, 08/23/26 – 08/30/26: From $444
    23

    Su

  • PDX–FSD, 08/24/26 – 09/02/26: From $440
    24

    Mo

  • PDX–FSD, 08/25/26 – 09/01/26: From $401
    25

    Tu

  • PDX–FSD, 08/26/26 – 09/02/26: From $401
    26

    We

  • PDX–FSD, 08/27/26 – 09/03/26: From $581
    27

    Th

  • PDX–FSD, 08/28/26 – 09/04/26: From $505
    28

    Fr

  • PDX–FSD, 08/29/26 – 09/05/26: From $400
    29

    Sa

  • PDX–FSD, 08/30/26 – 09/06/26: From $404
    30

    Su

  • PDX–FSD, 08/31/26 – 09/07/26: From $471
    31

    Mo

  • PDX–FSD, 09/01/26 – 09/08/26: From $370
    01

    Tu

    SEP

  • PDX–FSD, 09/02/26 – 09/09/26: From $370
    02

    We

  • PDX–FSD, 09/03/26 – 09/10/26: From $436
    03

    Th

  • PDX–FSD, 09/04/26 – 09/11/26: From $339
    04

    Fr

  • PDX–FSD, 09/05/26 – 09/12/26: From $320
    05

    Sa

  • PDX–FSD, 09/06/26 – 09/13/26: From $466
    06

    Su

  • PDX–FSD, 09/07/26 – 09/14/26: From $621
    07

    Mo

  • PDX–FSD, 09/08/26 – 09/15/26: From $350
    08

    Tu

  • PDX–FSD, 09/09/26 – 09/16/26: From $497
    09

    We

  • PDX–FSD: cmp-view-offers-disclaimer. Find Offers
    10

    Th

  • PDX–FSD: cmp-view-offers-disclaimer. Find Offers
    11

    Fr

  • PDX–FSD: cmp-view-offers-disclaimer. Find Offers
    12

    Sa

    • range$320-$721

    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 Portland, OR to Sioux Falls flights

    $
    keyboard_arrow_down

    Portland, OR (PDX)to

    Sioux Falls (FSD)
    10/06/26 - 10/13/26

    Round trip

    Economy

    from
    $301Fare subject to changes
    Updated: 11 hours ago

    Portland, OR (PDX)to

    Sioux Falls (FSD)
    10/24/26 - 10/31/26

    Round trip

    Economy

    from
    $301Fare subject to changes
    Updated: 11 hours ago

    Portland, OR (PDX)to

    Sioux Falls (FSD)
    09/15/26 - 09/22/26

    Round trip

    Economy

    from
    $301Fare subject to changes
    Updated: 11 hours ago

    Portland, OR (PDX)to

    Sioux Falls (FSD)
    09/22/26 - 09/29/26

    Round trip

    Economy

    from
    $301Fare subject to changes
    Updated: 11 hours ago

    Portland, OR (PDX)to

    Sioux Falls (FSD)
    09/23/26 - 09/30/26

    Round trip

    Economy

    from
    $301Fare subject to changes
    Updated: 11 hours ago

    Portland, OR (PDX)to

    Sioux Falls (FSD)
    10/07/26 - 10/14/26

    Round trip

    Economy

    from
    $301Fare subject to changes
    Updated: 11 hours ago

    Portland, OR (PDX)to

    Sioux Falls (FSD)
    10/13/26 - 10/20/26

    Round trip

    Economy

    from
    $301Fare subject to changes
    Updated: 11 hours ago

    Portland, OR (PDX)to

    Sioux Falls (FSD)
    10/20/26 - 10/27/26

    Round trip

    Economy

    from
    $301Fare subject to changes
    Updated: 11 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 Portland, OR to Sioux Falls

    Looking for lower fares on your trip from Portland, OR to Sioux Falls? 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 Portland, OR to Sioux Falls