American Airlines flights from Buffalo to San Juan

Recent searches for flights from Buffalo to San Juan

Aug 2026
From$223*
Updated: 10 hours ago
Round tripIEconomy
Sep 2026
From$223*
Updated: 10 hours ago
Round tripIEconomy
Oct 2026
From$218*
Updated: 10 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $223
cmp-daily-histogram-bars-legend-max-price-aria-label $726
Displaying fares for August-2026
  • BUF–SJU, 08/02/26 – 08/09/26: From $640
    02

    Su

    AUG

  • BUF–SJU, 08/03/26 – 08/10/26: From $524
    03

    Mo

  • BUF–SJU, 08/04/26 – 08/11/26: From $524
    04

    Tu

  • BUF–SJU, 08/05/26 – 08/12/26: From $529
    05

    We

  • BUF–SJU, 08/06/26 – 08/13/26: From $524
    06

    Th

  • BUF–SJU, 08/07/26 – 08/14/26: From $524
    07

    Fr

  • BUF–SJU, 08/08/26 – 08/15/26: From $494
    08

    Sa

  • BUF–SJU, 08/09/26 – 08/16/26: From $726
    09

    Su

  • BUF–SJU, 08/10/26 – 08/17/26: From $524
    10

    Mo

  • BUF–SJU, 08/11/26 – 08/18/26: From $454
    11

    Tu

  • BUF–SJU, 08/12/26 – 08/19/26: From $459
    12

    We

  • BUF–SJU, 08/13/26 – 08/20/26: From $454
    13

    Th

  • BUF–SJU, 08/14/26 – 08/21/26: From $454
    14

    Fr

  • BUF–SJU, 08/15/26 – 08/22/26: From $454
    15

    Sa

  • BUF–SJU, 08/16/26 – 08/23/26: From $640
    16

    Su

  • BUF–SJU, 08/17/26 – 08/24/26: From $454
    17

    Mo

  • BUF–SJU, 08/18/26 – 08/25/26: From $316
    18

    Tu

  • BUF–SJU, 08/19/26 – 08/26/26: From $321
    19

    We

  • BUF–SJU, 08/20/26 – 08/27/26: From $368
    20

    Th

  • BUF–SJU, 08/21/26 – 08/28/26: From $316
    21

    Fr

  • BUF–SJU, 08/22/26 – 08/29/26: From $270
    22

    Sa

  • BUF–SJU, 08/23/26 – 08/30/26: From $408
    23

    Su

  • BUF–SJU, 08/24/26 – 08/31/26: From $270
    24

    Mo

  • BUF–SJU, 08/25/26 – 09/01/26: From $270
    25

    Tu

  • BUF–SJU, 08/26/26 – 09/02/26: From $223
    26

    We

  • BUF–SJU, 08/27/26 – 09/03/26: From $313
    27

    Th

  • BUF–SJU, 08/28/26 – 09/04/26: From $313
    28

    Fr

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

    Sa

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

    Su

  • BUF–SJU: cmp-view-offers-disclaimer. Find Offers
    31

    Mo

  • BUF–SJU, 09/01/26 – 09/08/26: From $288
    01

    Tu

    SEP

    • range$223-$726

    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 Buffalo to San Juan flights

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    Buffalo (BUF)to

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

    Round trip

    Economy

    from
    $218Fare subject to changes
    Updated: 10 hours ago

    Buffalo (BUF)to

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

    Round trip

    Economy

    from
    $218Fare subject to changes
    Updated: 10 hours ago

    Buffalo (BUF)to

    San Juan (SJU)
    10/20/26 - 10/27/26

    Round trip

    Economy

    from
    $218Fare subject to changes
    Updated: 10 hours ago

    Buffalo (BUF)to

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

    Round trip

    Economy

    from
    $218Fare subject to changes
    Updated: 10 hours ago

    Buffalo (BUF)to

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

    Round trip

    Economy

    from
    $218Fare subject to changes
    Updated: 10 hours ago

    Buffalo (BUF)to

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

    Round trip

    Economy

    from
    $218Fare subject to changes
    Updated: 10 hours ago

    Buffalo (BUF)to

    San Juan (SJU)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $218Fare subject to changes
    Updated: 10 hours ago

    Buffalo (BUF)to

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

    Round trip

    Economy

    from
    $218Fare subject to changes
    Updated: 10 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 Buffalo to San Juan

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