American Airlines flights from Louisville to San Juan

Recent searches for flights from Louisville to San Juan

Sep 2026
From$446*
Updated: 5 hours ago
Round tripIEconomy
Oct 2026
From$376*
Updated: 22 hours ago
Round tripIEconomy
Nov 2026
From$376*
Updated: 5 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $376
cmp-daily-histogram-bars-legend-max-price-aria-label $964
Displaying fares for September-2026
  • SDF–SJU, 09/13/26 – 09/20/26: From $811
    13

    Su

    SEP

  • SDF–SJU, 09/14/26 – 09/21/26: From $658
    14

    Mo

  • SDF–SJU, 09/15/26 – 09/22/26: From $658
    15

    Tu

  • SDF–SJU, 09/16/26 – 09/23/26: From $867
    16

    We

  • SDF–SJU, 09/17/26 – 09/24/26: From $658
    17

    Th

  • SDF–SJU, 09/18/26 – 09/25/26: From $698
    18

    Fr

  • SDF–SJU, 09/19/26 – 09/26/26: From $516
    19

    Sa

  • SDF–SJU, 09/20/26 – 09/27/26: From $811
    20

    Su

  • SDF–SJU, 09/21/26 – 09/28/26: From $964
    21

    Mo

  • SDF–SJU, 09/22/26 – 09/29/26: From $543
    22

    Tu

  • SDF–SJU, 09/23/26 – 09/30/26: From $521
    23

    We

  • SDF–SJU, 09/24/26 – 10/01/26: From $516
    24

    Th

  • SDF–SJU, 09/25/26 – 10/02/26: From $516
    25

    Fr

  • SDF–SJU, 09/26/26 – 10/03/26: From $531
    26

    Sa

  • SDF–SJU, 09/27/26 – 10/04/26: From $964
    27

    Su

  • SDF–SJU, 09/28/26 – 10/05/26: From $945
    28

    Mo

  • SDF–SJU, 09/29/26 – 10/06/26: From $446
    29

    Tu

  • SDF–SJU, 09/30/26 – 10/07/26: From $451
    30

    We

  • SDF–SJU, 10/01/26 – 10/08/26: From $531
    01

    Th

    OCT

  • SDF–SJU, 10/02/26 – 10/09/26: From $486
    02

    Fr

  • SDF–SJU, 10/03/26 – 10/10/26: From $461
    03

    Sa

  • SDF–SJU, 10/04/26 – 10/11/26: From $670
    04

    Su

  • SDF–SJU, 10/05/26 – 10/12/26: From $416
    05

    Mo

  • SDF–SJU, 10/06/26 – 10/13/26: From $376
    06

    Tu

  • SDF–SJU, 10/07/26 – 10/14/26: From $381
    07

    We

  • SDF–SJU, 10/08/26 – 10/15/26: From $416
    08

    Th

  • SDF–SJU, 10/09/26 – 10/16/26: From $416
    09

    Fr

  • SDF–SJU, 10/10/26 – 10/17/26: From $376
    10

    Sa

  • SDF–SJU: cmp-view-offers-disclaimer. Find Offers
    11

    Su

  • SDF–SJU: cmp-view-offers-disclaimer. Find Offers
    12

    Mo

    • range$376-$964

    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 Louisville to San Juan flights

    $
    keyboard_arrow_down

    Louisville (SDF)to

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

    Round trip

    Economy

    from
    $376Fare subject to changes
    Updated: 22 hours ago

    Louisville (SDF)to

    San Juan (SJU)
    10/17/26 - 10/24/26

    Round trip

    Economy

    from
    $376Fare subject to changes
    Updated: 5 hours ago

    Louisville (SDF)to

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

    Round trip

    Economy

    from
    $376Fare subject to changes
    Updated: 5 hours ago

    Louisville (SDF)to

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

    Round trip

    Economy

    from
    $376Fare subject to changes
    Updated: 5 hours ago

    Louisville (SDF)to

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

    Round trip

    Economy

    from
    $376Fare subject to changes
    Updated: 5 hours ago

    Louisville (SDF)to

    San Juan (SJU)
    12/08/26 - 12/15/26

    Round trip

    Economy

    from
    $376Fare subject to changes
    Updated: 5 hours ago

    Louisville (SDF)to

    San Juan (SJU)
    11/05/26 - 11/12/26

    Round trip

    Economy

    from
    $376Fare subject to changes
    Updated: 5 hours ago

    Louisville (SDF)to

    San Juan (SJU)
    10/15/26 - 10/22/26

    Round trip

    Economy

    from
    $376Fare subject to changes
    Updated: 5 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 Louisville to San Juan

    Looking for lower fares on your trip from Louisville 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

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    American Airlines flights from Louisville to San Juan