American Airlines flights from Portland, OR to San Juan

Recent searches for flights from Portland, OR to San Juan

Aug 2026
From$746*
Updated: 52 minutes ago
Round tripIEconomy
Sep 2026
From$322*
Updated: 52 minutes ago
Round tripIEconomy
Oct 2026
From$322*
Updated: 52 minutes ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $322
cmp-daily-histogram-bars-legend-max-price-aria-label $1.2K
Displaying fares for August-2026
  • PDX–SJU, 08/21/26 – 08/28/26: From $1,168
    21

    Fr

    AUG

  • PDX–SJU, 08/22/26 – 08/29/26: From $856
    22

    Sa

  • PDX–SJU, 08/23/26 – 08/30/26: From $836
    23

    Su

  • PDX–SJU, 08/24/26 – 08/31/26: From $836
    24

    Mo

  • PDX–SJU, 08/25/26 – 09/01/26: From $836
    25

    Tu

  • PDX–SJU, 08/26/26 – 09/02/26: From $828
    26

    We

  • PDX–SJU, 08/27/26 – 09/03/26: From $746
    27

    Th

  • PDX–SJU, 08/28/26 – 09/04/26: From $746
    28

    Fr

  • PDX–SJU, 08/29/26 – 09/05/26: From $746
    29

    Sa

  • PDX–SJU, 08/30/26 – 09/06/26: From $746
    30

    Su

  • PDX–SJU, 08/31/26 – 09/07/26: From $796
    31

    Mo

  • PDX–SJU, 09/01/26 – 09/08/26: From $796
    01

    Tu

    SEP

  • PDX–SJU, 09/02/26 – 09/09/26: From $751
    02

    We

  • PDX–SJU, 09/03/26 – 09/10/26: From $554
    03

    Th

  • PDX–SJU, 09/04/26 – 09/11/26: From $554
    04

    Fr

  • PDX–SJU, 09/05/26 – 09/12/26: From $646
    05

    Sa

  • PDX–SJU, 09/06/26 – 09/13/26: From $841
    06

    Su

  • PDX–SJU, 09/07/26 – 09/14/26: From $661
    07

    Mo

  • PDX–SJU, 09/08/26 – 09/15/26: From $621
    08

    Tu

  • PDX–SJU, 09/09/26 – 09/16/26: From $534
    09

    We

  • PDX–SJU, 09/10/26 – 09/17/26: From $414
    10

    Th

  • PDX–SJU, 09/11/26 – 09/18/26: From $322
    11

    Fr

  • PDX–SJU, 09/12/26 – 09/19/26: From $322
    12

    Sa

  • PDX–SJU, 09/13/26 – 09/20/26: From $634
    13

    Su

  • PDX–SJU, 09/14/26 – 09/21/26: From $414
    14

    Mo

  • PDX–SJU, 09/15/26 – 09/22/26: From $322
    15

    Tu

  • PDX–SJU, 09/16/26 – 09/23/26: From $327
    16

    We

  • PDX–SJU: cmp-view-offers-disclaimer. Find Offers
    17

    Th

  • PDX–SJU: cmp-view-offers-disclaimer. Find Offers
    18

    Fr

  • PDX–SJU: cmp-view-offers-disclaimer. Find Offers
    19

    Sa

  • PDX–SJU, 09/20/26 – 09/27/26: From $414
    20

    Su

    • range$322-$1,168

    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)
    11/09/26 - 11/16/26

    Round trip

    Economy

    from
    $322Fare subject to changes
    Updated: 52 minutes ago

    Portland, OR (PDX)to

    San Juan (SJU)
    10/09/26 - 10/16/26

    Round trip

    Economy

    from
    $322Fare subject to changes
    Updated: 52 minutes ago

    Portland, OR (PDX)to

    San Juan (SJU)
    10/13/26 - 10/20/26

    Round trip

    Economy

    from
    $322Fare subject to changes
    Updated: 52 minutes ago

    Portland, OR (PDX)to

    San Juan (SJU)
    10/23/26 - 10/30/26

    Round trip

    Economy

    from
    $322Fare subject to changes
    Updated: 52 minutes ago

    Portland, OR (PDX)to

    San Juan (SJU)
    09/15/26 - 09/22/26

    Round trip

    Economy

    from
    $322Fare subject to changes
    Updated: 52 minutes ago

    Portland, OR (PDX)to

    San Juan (SJU)
    11/10/26 - 11/17/26

    Round trip

    Economy

    from
    $322Fare subject to changes
    Updated: 52 minutes ago

    Portland, OR (PDX)to

    San Juan (SJU)
    11/07/26 - 11/14/26

    Round trip

    Economy

    from
    $322Fare subject to changes
    Updated: 52 minutes ago

    Portland, OR (PDX)to

    San Juan (SJU)
    10/06/26 - 10/13/26

    Round trip

    Economy

    from
    $322Fare subject to changes
    Updated: 52 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.

    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