American Airlines flights from Boston to St. Thomas

Recent searches for flights from Boston to St. Thomas

Aug 2026
From$950*
Updated: 6 hours ago
Round tripIEconomy
Sep 2026
From$700*
Updated: 6 hours ago
Round tripIEconomy
Oct 2026
From$598*
Updated: 12 minutes ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $700
cmp-daily-histogram-bars-legend-max-price-aria-label $1.7K
Displaying fares for August-2026
  • BOS–STT, 08/23/26 – 08/30/26: From $1,336
    23

    Su

    AUG

  • BOS–STT, 08/24/26 – 08/31/26: From $1,336
    24

    Mo

  • BOS–STT, 08/25/26 – 09/01/26: From $1,209
    25

    Tu

  • BOS–STT, 08/26/26 – 09/02/26: From $1,133
    26

    We

  • BOS–STT, 08/27/26 – 09/03/26: From $1,133
    27

    Th

  • BOS–STT, 08/28/26 – 09/04/26: From $1,098
    28

    Fr

  • BOS–STT, 08/29/26 – 09/05/26: From $950
    29

    Sa

  • BOS–STT, 08/30/26 – 09/06/26: From $1,046
    30

    Su

  • BOS–STT, 08/31/26 – 09/07/26: From $1,125
    31

    Mo

  • BOS–STT, 09/01/26 – 09/08/26: From $1,127
    01

    Tu

    SEP

  • BOS–STT, 09/02/26 – 09/09/26: From $1,328
    02

    We

  • BOS–STT, 09/03/26 – 09/10/26: From $1,543
    03

    Th

  • BOS–STT, 09/04/26 – 09/11/26: From $1,200
    04

    Fr

  • BOS–STT, 09/05/26 – 09/12/26: From $1,214
    05

    Sa

  • BOS–STT, 09/06/26 – 09/13/26: From $1,715
    06

    Su

  • BOS–STT, 09/07/26 – 09/14/26: From $1,086
    07

    Mo

  • BOS–STT, 09/08/26 – 09/15/26: From $1,214
    08

    Tu

  • BOS–STT, 09/09/26 – 09/16/26: From $1,600
    09

    We

  • BOS–STT, 09/10/26 – 09/17/26: From $906
    10

    Th

  • BOS–STT, 09/11/26 – 09/18/26: From $1,086
    11

    Fr

  • BOS–STT, 09/12/26 – 09/19/26: From $700
    12

    Sa

  • BOS–STT, 09/13/26 – 09/20/26: From $1,487
    13

    Su

  • BOS–STT, 09/14/26 – 09/21/26: From $894
    14

    Mo

  • BOS–STT, 09/15/26 – 09/22/26: From $836
    15

    Tu

  • BOS–STT, 09/16/26 – 09/23/26: From $899
    16

    We

  • BOS–STT, 09/17/26 – 09/24/26: From $758
    17

    Th

  • BOS–STT, 09/18/26 – 09/25/26: From $966
    18

    Fr

  • BOS–STT, 09/19/26 – 09/26/26: From $836
    19

    Sa

  • BOS–STT: cmp-view-offers-disclaimer. Find Offers
    20

    Su

  • BOS–STT: cmp-view-offers-disclaimer. Find Offers
    21

    Mo

  • BOS–STT, 09/22/26 – 09/29/26: From $836
    22

    Tu

    • range$700-$1,715

    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 Boston to St. Thomas flights

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    Boston (BOS)to

    St. Thomas (STT)
    10/20/26 - 10/24/26

    Round trip

    Economy

    from
    $598Fare subject to changes
    Updated: 12 minutes ago

    Boston (BOS)to

    St. Thomas (STT)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $617Fare subject to changes
    Updated: 6 hours ago

    Boston (BOS)to

    St. Thomas (STT)
    11/10/26 - 11/17/26

    Round trip

    Economy

    from
    $617Fare subject to changes
    Updated: 6 hours ago

    Boston (BOS)to

    St. Thomas (STT)
    11/09/26 - 11/16/26

    Round trip

    Economy

    from
    $643Fare subject to changes
    Updated: 6 hours ago

    Boston (BOS)to

    St. Thomas (STT)
    10/15/26 - 10/20/26

    Round trip

    Economy

    from
    $643Fare subject to changes
    Updated: 15 hours ago

    Boston (BOS)to

    St. Thomas (STT)
    10/06/26 - 10/13/26

    Round trip

    Economy

    from
    $648Fare subject to changes
    Updated: 6 hours ago

    Boston (BOS)to

    St. Thomas (STT)
    10/22/26 - 10/29/26

    Round trip

    Economy

    from
    $659Fare subject to changes
    Updated: 16 hours ago

    Boston (BOS)to

    St. Thomas (STT)
    01/24/27 - 01/29/27

    Round trip

    Economy

    from
    $659Fare subject to changes
    Updated: 19 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 Boston to St. Thomas

    Looking for lower fares on your trip from Boston to St. Thomas? 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 Boston to St. Thomas