American Airlines flights from Portland, OR to St. Thomas

Recent searches for flights from Portland, OR to St. Thomas

Aug 2026
From$617*
Updated: 8 hours ago
Round tripIEconomy
Sep 2026
From$592*
Updated: 8 hours ago
Round tripIEconomy
Oct 2026
From$445*
Updated: 8 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $617
cmp-daily-histogram-bars-legend-max-price-aria-label $2.4K
Displaying fares for August-2026
  • PDX–STT, 08/23/26 – 08/30/26: From $1,057
    23

    Su

    AUG

  • PDX–STT, 08/24/26 – 08/31/26: From $1,164
    24

    Mo

  • PDX–STT, 08/25/26 – 09/01/26: From $1,719
    25

    Tu

  • PDX–STT, 08/26/26 – 09/02/26: From $1,080
    26

    We

  • PDX–STT, 08/27/26 – 09/03/26: From $747
    27

    Th

  • PDX–STT, 08/28/26 – 09/04/26: From $617
    28

    Fr

  • PDX–STT, 08/29/26 – 09/05/26: From $617
    29

    Sa

  • PDX–STT, 08/30/26 – 09/06/26: From $758
    30

    Su

  • PDX–STT, 08/31/26 – 09/07/26: From $1,266
    31

    Mo

  • PDX–STT, 09/01/26 – 09/08/26: From $1,604
    01

    Tu

    SEP

  • PDX–STT, 09/02/26 – 09/09/26: From $1,196
    02

    We

  • PDX–STT, 09/03/26 – 09/10/26: From $1,357
    03

    Th

  • PDX–STT, 09/04/26 – 09/11/26: From $1,041
    04

    Fr

  • PDX–STT, 09/05/26 – 09/12/26: From $1,041
    05

    Sa

  • PDX–STT, 09/06/26 – 09/13/26: From $2,447
    06

    Su

  • PDX–STT, 09/07/26 – 09/14/26: From $1,354
    07

    Mo

  • PDX–STT, 09/08/26 – 09/15/26: From $1,250
    08

    Tu

  • PDX–STT, 09/09/26 – 09/16/26: From $1,579
    09

    We

  • PDX–STT, 09/10/26 – 09/17/26: From $1,056
    10

    Th

  • PDX–STT, 09/11/26 – 09/18/26: From $1,096
    11

    Fr

  • PDX–STT, 09/12/26 – 09/19/26: From $888
    12

    Sa

  • PDX–STT, 09/13/26 – 09/20/26: From $1,827
    13

    Su

  • PDX–STT, 09/14/26 – 09/21/26: From $1,174
    14

    Mo

  • PDX–STT, 09/15/26 – 09/22/26: From $817
    15

    Tu

  • PDX–STT, 09/16/26 – 09/23/26: From $856
    16

    We

  • PDX–STT, 09/17/26 – 09/24/26: From $985
    17

    Th

  • PDX–STT, 09/18/26 – 09/25/26: From $851
    18

    Fr

  • PDX–STT, 09/19/26 – 09/26/26: From $851
    19

    Sa

  • PDX–STT: cmp-view-offers-disclaimer. Find Offers
    20

    Su

  • PDX–STT: cmp-view-offers-disclaimer. Find Offers
    21

    Mo

  • PDX–STT, 09/22/26 – 09/29/26: From $710
    22

    Tu

    • range$617-$2,447

    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 St. Thomas flights

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    Portland, OR (PDX)to

    St. Thomas (STT)
    10/28/26 - 11/04/26

    Round trip

    Economy

    from
    $445Fare subject to changes
    Updated: 8 hours ago

    Portland, OR (PDX)to

    St. Thomas (STT)
    10/24/26 - 10/31/26

    Round trip

    Economy

    from
    $558Fare subject to changes
    Updated: 8 hours ago

    Portland, OR (PDX)to

    St. Thomas (STT)
    10/19/26 - 10/26/26

    Round trip

    Economy

    from
    $558Fare subject to changes
    Updated: 8 hours ago

    Portland, OR (PDX)to

    St. Thomas (STT)
    11/10/26 - 11/17/26

    Round trip

    Economy

    from
    $558Fare subject to changes
    Updated: 8 hours ago

    Portland, OR (PDX)to

    St. Thomas (STT)
    11/12/26 - 11/19/26

    Round trip

    Economy

    from
    $558Fare subject to changes
    Updated: 8 hours ago

    Portland, OR (PDX)to

    St. Thomas (STT)
    10/26/26 - 11/02/26

    Round trip

    Economy

    from
    $558Fare subject to changes
    Updated: 8 hours ago

    Portland, OR (PDX)to

    St. Thomas (STT)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $558Fare subject to changes
    Updated: 8 hours ago

    Portland, OR (PDX)to

    St. Thomas (STT)
    10/06/26 - 10/13/26

    Round trip

    Economy

    from
    $558Fare subject to changes
    Updated: 8 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 St. Thomas

    Looking for lower fares on your trip from Portland, OR to St. Thomas? 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 St. Thomas