American Airlines flights from Washington, D.C. to Santiago, DR

Recent searches for flights from Washington, D.C. to Santiago, DR

Aug 2026
From$514*
Updated: 12 hours ago
Round tripIEconomy
Sep 2026
From$398*
Updated: 12 hours ago
Round tripIEconomy
Oct 2026
From$398*
Updated: 12 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $428
cmp-daily-histogram-bars-legend-max-price-aria-label $1.1K
Displaying fares for August-2026
  • WAS–STI: cmp-view-offers-disclaimer. Find Offers
    16

    Su

    AUG

  • DCA–STI, 08/17/26 – 08/24/26: From $1,127
    17

    Mo

  • DCA–STI, 08/18/26 – 08/25/26: From $995
    18

    Tu

  • DCA–STI, 08/19/26 – 08/26/26: From $727
    19

    We

  • DCA–STI, 08/20/26 – 08/27/26: From $771
    20

    Th

  • DCA–STI, 08/21/26 – 08/28/26: From $771
    21

    Fr

  • DCA–STI, 08/22/26 – 08/29/26: From $908
    22

    Sa

  • DCA–STI, 08/23/26 – 08/30/26: From $797
    23

    Su

  • DCA–STI, 08/24/26 – 08/31/26: From $781
    24

    Mo

  • DCA–STI, 08/25/26 – 09/01/26: From $771
    25

    Tu

  • DCA–STI, 08/26/26 – 09/02/26: From $727
    26

    We

  • DCA–STI, 08/27/26 – 09/03/26: From $585
    27

    Th

  • DCA–STI, 08/28/26 – 09/04/26: From $585
    28

    Fr

  • DCA–STI, 08/29/26 – 09/05/26: From $725
    29

    Sa

  • DCA–STI, 08/30/26 – 09/06/26: From $589
    30

    Su

  • DCA–STI, 08/31/26 – 09/07/26: From $514
    31

    Mo

  • DCA–STI, 09/01/26 – 09/08/26: From $544
    01

    Tu

    SEP

  • DCA–STI, 09/02/26 – 09/09/26: From $428
    02

    We

  • DCA–STI, 09/03/26 – 09/10/26: From $684
    03

    Th

  • DCA–STI, 09/04/26 – 09/11/26: From $623
    04

    Fr

  • DCA–STI, 09/05/26 – 09/10/26: From $716
    05

    Sa

  • DCA–STI, 09/06/26 – 09/13/26: From $1,121
    06

    Su

  • DCA–STI, 09/07/26 – 09/14/26: From $639
    07

    Mo

  • DCA–STI, 09/08/26 – 09/15/26: From $519
    08

    Tu

  • DCA–STI, 09/09/26 – 09/16/26: From $735
    09

    We

  • DCA–STI, 09/10/26 – 09/17/26: From $654
    10

    Th

  • DCA–STI, 09/11/26 – 09/18/26: From $547
    11

    Fr

  • DCA–STI, 09/12/26 – 09/19/26: From $539
    12

    Sa

  • DCA–STI, 09/13/26 – 09/20/26: From $536
    13

    Su

  • DCA–STI, 09/14/26 – 09/21/26: From $579
    14

    Mo

  • DCA–STI, 09/15/26 – 09/22/26: From $640
    15

    Tu

    • range$428-$1,127

    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 Washington, D.C. to Santiago, DR flights

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    *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 Washington, D.C. to Santiago, DR

    Looking for lower fares on your trip from Washington, D.C. to Santiago, DR? 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 Washington, D.C. to Santiago, DR