American Airlines flights from San Francisco to San Juan

Recent searches for flights from San Francisco to San Juan

Aug 2026
From$635*
Updated: 22 hours ago
Round tripIEconomy
Sep 2026
From$530*
Updated: 4 hours ago
Round tripIEconomy
Oct 2026
From$530*
Updated: 20 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $530
cmp-daily-histogram-bars-legend-max-price-aria-label $1.3K
Displaying fares for August-2026
  • SFO–SJU, 08/21/26 – 08/28/26: From $1,303
    21

    Fr

    AUG

  • SFO–SJU, 08/22/26 – 09/19/26: From $635
    22

    Sa

  • SFO–SJU, 08/23/26 – 08/30/26: From $688
    23

    Su

  • SFO–SJU, 08/24/26 – 09/02/26: From $688
    24

    Mo

  • SFO–SJU, 08/25/26 – 09/01/26: From $688
    25

    Tu

  • SFO–SJU, 08/26/26 – 09/03/26: From $641
    26

    We

  • SFO–SJU, 08/27/26 – 09/02/26: From $636
    27

    Th

  • SFO–SJU, 08/28/26 – 09/02/26: From $636
    28

    Fr

  • SFO–SJU, 08/29/26 – 09/05/26: From $636
    29

    Sa

  • SFO–SJU, 08/30/26 – 09/06/26: From $636
    30

    Su

  • SFO–SJU, 08/31/26 – 09/07/26: From $785
    31

    Mo

  • SFO–SJU, 09/01/26 – 09/08/26: From $686
    01

    Tu

    SEP

  • SFO–SJU, 09/02/26 – 09/09/26: From $641
    02

    We

  • SFO–SJU, 09/03/26 – 09/10/26: From $660
    03

    Th

  • SFO–SJU, 09/04/26 – 09/11/26: From $608
    04

    Fr

  • SFO–SJU, 09/05/26 – 09/12/26: From $608
    05

    Sa

  • SFO–SJU, 09/06/26 – 09/13/26: From $809
    06

    Su

  • SFO–SJU, 09/07/26 – 09/14/26: From $688
    07

    Mo

  • SFO–SJU, 09/08/26 – 09/15/26: From $583
    08

    Tu

  • SFO–SJU, 09/09/26 – 09/16/26: From $588
    09

    We

  • SFO–SJU, 09/10/26 – 09/17/26: From $530
    10

    Th

  • SFO–SJU, 09/11/26 – 09/18/26: From $530
    11

    Fr

  • SFO–SJU, 09/12/26 – 09/19/26: From $530
    12

    Sa

  • SFO–SJU, 09/13/26 – 09/20/26: From $635
    13

    Su

  • SFO–SJU, 09/14/26 – 09/21/26: From $530
    14

    Mo

  • SFO–SJU, 09/15/26 – 09/22/26: From $530
    15

    Tu

  • SFO–SJU, 09/16/26 – 09/23/26: From $535
    16

    We

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

    Th

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

    Fr

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

    Sa

  • SFO–SJU, 09/20/26 – 09/27/26: From $530
    20

    Su

    • range$530-$1,303

    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 San Francisco to San Juan flights

    $
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    San Francisco (SFO)to

    San Juan (SJU)
    02/23/27 - 03/02/27

    Round trip

    Economy

    from
    $473Fare subject to changes
    Updated: 2 hours ago

    San Francisco (SFO)to

    San Juan (SJU)
    10/22/26 - 10/29/26

    Round trip

    Economy

    from
    $530Fare subject to changes
    Updated: 4 hours ago

    San Francisco (SFO)to

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

    Round trip

    Economy

    from
    $530Fare subject to changes
    Updated: 4 hours ago

    San Francisco (SFO)to

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

    Round trip

    Economy

    from
    $530Fare subject to changes
    Updated: 4 hours ago

    San Francisco (SFO)to

    San Juan (SJU)
    10/11/26 - 10/18/26

    Round trip

    Economy

    from
    $530Fare subject to changes
    Updated: 4 hours ago

    San Francisco (SFO)to

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

    Round trip

    Economy

    from
    $530Fare subject to changes
    Updated: 4 hours ago

    San Francisco (SFO)to

    San Juan (SJU)
    10/16/26 - 10/23/26

    Round trip

    Economy

    from
    $530Fare subject to changes
    Updated: 4 hours ago

    San Francisco (SFO)to

    San Juan (SJU)
    09/10/26 - 09/17/26

    Round trip

    Economy

    from
    $530Fare subject to changes
    Updated: 4 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 San Francisco to San Juan

    Looking for lower fares on your trip from San Francisco 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 San Francisco to San Juan