American Airlines flights from Detroit to San Juan

Recent searches for flights from Detroit to San Juan

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Jul 2026
No results available
Aug 2026
From$580*
Updated: 3 hours ago
Round tripIEconomy
Sep 2026
From$506*
Updated: 3 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $580
cmp-daily-histogram-bars-legend-max-price-aria-label $941
Displaying fares for July-2026
  • DTW–SJU: cmp-view-offers-disclaimer. Find Offers
    31

    Fr

    JUL

  • DTW–SJU, 08/01/26 – 08/08/26: From $941
    01

    Sa

  • DTW–SJU, 08/02/26 – 08/09/26: From $918
    02

    Su

  • DTW–SJU, 08/03/26 – 08/10/26: From $918
    03

    Mo

  • DTW–SJU, 08/04/26 – 08/11/26: From $881
    04

    Tu

  • DTW–SJU, 08/05/26 – 08/12/26: From $923
    05

    We

  • DTW–SJU, 08/06/26 – 08/13/26: From $918
    06

    Th

  • DTW–SJU, 08/07/26 – 08/14/26: From $760
    07

    Fr

  • DTW–SJU, 08/08/26 – 08/15/26: From $783
    08

    Sa

  • DTW–SJU, 08/09/26 – 08/16/26: From $760
    09

    Su

  • DTW–SJU, 08/10/26 – 08/17/26: From $760
    10

    Mo

  • DTW–SJU, 08/11/26 – 08/18/26: From $745
    11

    Tu

  • DTW–SJU, 08/12/26 – 08/19/26: From $750
    12

    We

  • DTW–SJU, 08/13/26 – 08/20/26: From $760
    13

    Th

  • DTW–SJU, 08/14/26 – 08/21/26: From $634
    14

    Fr

  • DTW–SJU, 08/15/26 – 08/22/26: From $657
    15

    Sa

  • DTW–SJU, 08/16/26 – 08/23/26: From $634
    16

    Su

  • DTW–SJU, 08/17/26 – 08/24/26: From $634
    17

    Mo

  • DTW–SJU, 08/18/26 – 08/25/26: From $632
    18

    Tu

  • DTW–SJU, 08/19/26 – 08/26/26: From $637
    19

    We

  • DTW–SJU, 08/20/26 – 08/27/26: From $634
    20

    Th

  • DTW–SJU, 08/21/26 – 08/28/26: From $580
    21

    Fr

  • DTW–SJU, 08/22/26 – 08/29/26: From $603
    22

    Sa

  • DTW–SJU, 08/23/26 – 08/30/26: From $580
    23

    Su

  • DTW–SJU, 08/24/26 – 08/31/26: From $580
    24

    Mo

  • DTW–SJU, 08/25/26 – 09/01/26: From $580
    25

    Tu

  • DTW–SJU, 08/26/26 – 09/02/26: From $585
    26

    We

  • DTW–SJU, 08/27/26 – 09/03/26: From $605
    27

    Th

  • DTW–SJU: cmp-view-offers-disclaimer. Find Offers
    28

    Fr

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

    Sa

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

    Su

    • range$580-$941

    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 Detroit to San Juan flights

    $
    keyboard_arrow_down

    Detroit (DTW)to

    San Juan (SJU)
    10/25/26 - 11/01/26

    Round trip

    Economy

    from
    $486Fare subject to changes
    Updated: 3 hours ago

    Detroit (DTW)to

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

    Round trip

    Economy

    from
    $486Fare subject to changes
    Updated: 3 hours ago

    Detroit (DTW)to

    San Juan (SJU)
    10/26/26 - 11/02/26

    Round trip

    Economy

    from
    $486Fare subject to changes
    Updated: 3 hours ago

    Detroit (DTW)to

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

    Round trip

    Economy

    from
    $486Fare subject to changes
    Updated: 3 hours ago

    Detroit (DTW)to

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

    Round trip

    Economy

    from
    $506Fare subject to changes
    Updated: 3 hours ago

    Detroit (DTW)to

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

    Round trip

    Economy

    from
    $508Fare subject to changes
    Updated: 3 hours ago

    Detroit (DTW)to

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

    Round trip

    Economy

    from
    $508Fare subject to changes
    Updated: 3 hours ago

    Detroit (DTW)to

    San Juan (SJU)
    10/18/26 - 10/25/26

    Round trip

    Economy

    from
    $508Fare subject to changes
    Updated: 3 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 Detroit to San Juan

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