American Airlines flights from Portland, OR to San Juan

Recent searches for flights from Portland, OR to San Juan

Aug 2026
From$486*
Updated: 6 hours ago
Round tripIEconomy
Sep 2026
From$486*
Updated: 6 hours ago
Round tripIEconomy
Oct 2026
From$486*
Updated: 6 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $486
cmp-daily-histogram-bars-legend-max-price-aria-label $1.0K
Displaying fares for August-2026
  • PDX–SJU, 08/01/26 – 08/08/26: From $836
    01

    Sa

    AUG

  • PDX–SJU, 08/02/26 – 08/09/26: From $941
    02

    Su

  • PDX–SJU, 08/03/26 – 08/10/26: From $941
    03

    Mo

  • PDX–SJU, 08/04/26 – 08/11/26: From $816
    04

    Tu

  • PDX–SJU, 08/05/26 – 08/12/26: From $821
    05

    We

  • PDX–SJU, 08/06/26 – 08/13/26: From $816
    06

    Th

  • PDX–SJU, 08/07/26 – 08/14/26: From $816
    07

    Fr

  • PDX–SJU, 08/08/26 – 08/15/26: From $726
    08

    Sa

  • PDX–SJU, 08/09/26 – 08/16/26: From $1,011
    09

    Su

  • PDX–SJU, 08/10/26 – 08/17/26: From $726
    10

    Mo

  • PDX–SJU, 08/11/26 – 08/18/26: From $726
    11

    Tu

  • PDX–SJU, 08/12/26 – 08/19/26: From $731
    12

    We

  • PDX–SJU, 08/13/26 – 08/20/26: From $726
    13

    Th

  • PDX–SJU, 08/14/26 – 08/21/26: From $726
    14

    Fr

  • PDX–SJU, 08/15/26 – 08/22/26: From $601
    15

    Sa

  • PDX–SJU, 08/16/26 – 08/23/26: From $681
    16

    Su

  • PDX–SJU, 08/17/26 – 08/24/26: From $601
    17

    Mo

  • PDX–SJU, 08/18/26 – 08/25/26: From $601
    18

    Tu

  • PDX–SJU, 08/19/26 – 08/26/26: From $606
    19

    We

  • PDX–SJU, 08/20/26 – 08/27/26: From $601
    20

    Th

  • PDX–SJU, 08/21/26 – 08/28/26: From $601
    21

    Fr

  • PDX–SJU, 08/22/26 – 08/29/26: From $486
    22

    Sa

  • PDX–SJU, 08/23/26 – 08/30/26: From $486
    23

    Su

  • PDX–SJU, 08/24/26 – 08/31/26: From $486
    24

    Mo

  • PDX–SJU, 08/25/26 – 09/01/26: From $486
    25

    Tu

  • PDX–SJU, 08/26/26 – 09/02/26: From $491
    26

    We

  • PDX–SJU, 08/27/26 – 09/03/26: From $511
    27

    Th

  • PDX–SJU, 08/28/26 – 09/04/26: From $551
    28

    Fr

  • PDX–SJU: cmp-view-offers-disclaimer. Find Offers
    29

    Sa

  • PDX–SJU: cmp-view-offers-disclaimer. Find Offers
    30

    Su

  • PDX–SJU, 08/31/26 – 09/07/26: From $566
    31

    Mo

    • range$486-$1,011

    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 San Juan flights

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    Portland, OR (PDX)to

    San Juan (SJU)
    10/02/26 - 10/09/26

    Round trip

    Economy

    from
    $486Fare subject to changes
    Updated: 6 hours ago

    Portland, OR (PDX)to

    San Juan (SJU)
    10/03/26 - 10/10/26

    Round trip

    Economy

    from
    $486Fare subject to changes
    Updated: 6 hours ago

    Portland, OR (PDX)to

    San Juan (SJU)
    10/04/26 - 10/11/26

    Round trip

    Economy

    from
    $486Fare subject to changes
    Updated: 6 hours ago

    Portland, OR (PDX)to

    San Juan (SJU)
    10/19/26 - 10/26/26

    Round trip

    Economy

    from
    $486Fare subject to changes
    Updated: 6 hours ago

    Portland, OR (PDX)to

    San Juan (SJU)
    09/04/26 - 09/11/26

    Round trip

    Economy

    from
    $486Fare subject to changes
    Updated: 6 hours ago

    Portland, OR (PDX)to

    San Juan (SJU)
    09/06/26 - 09/13/26

    Round trip

    Economy

    from
    $486Fare subject to changes
    Updated: 6 hours ago

    Portland, OR (PDX)to

    San Juan (SJU)
    09/22/26 - 09/29/26

    Round trip

    Economy

    from
    $486Fare subject to changes
    Updated: 6 hours ago

    Portland, OR (PDX)to

    San Juan (SJU)
    08/25/26 - 09/01/26

    Round trip

    Economy

    from
    $486Fare subject to changes
    Updated: 6 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 San Juan

    Looking for lower fares on your trip from Portland, OR to San Juan? 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 San Juan