American Airlines flights from Boston to San Antonio

Recent searches for flights from Boston to San Antonio

Sep 2026
From$519*
Updated: 8 hours ago
Round tripIEconomy
Oct 2026
From$309*
Updated: 8 hours ago
Round tripIEconomy
Nov 2026
From$309*
Updated: 19 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $355
cmp-daily-histogram-bars-legend-max-price-aria-label $910
Displaying fares for September-2026
  • BOS–SAT, 09/17/26 – 09/24/26: From $768
    17

    Th

    SEP

  • BOS–SAT, 09/18/26 – 09/25/26: From $824
    18

    Fr

  • BOS–SAT, 09/19/26 – 09/26/26: From $729
    19

    Sa

  • BOS–SAT, 09/20/26 – 09/27/26: From $729
    20

    Su

  • BOS–SAT, 09/21/26 – 09/28/26: From $729
    21

    Mo

  • BOS–SAT, 09/22/26 – 09/29/26: From $729
    22

    Tu

  • BOS–SAT, 09/23/26 – 09/30/26: From $729
    23

    We

  • BOS–SAT, 09/24/26 – 10/01/26: From $604
    24

    Th

  • BOS–SAT, 09/25/26 – 10/02/26: From $519
    25

    Fr

  • BOS–SAT, 09/26/26 – 10/03/26: From $519
    26

    Sa

  • BOS–SAT, 09/27/26 – 10/04/26: From $803
    27

    Su

  • BOS–SAT, 09/28/26 – 10/05/26: From $734
    28

    Mo

  • BOS–SAT, 09/29/26 – 10/06/26: From $519
    29

    Tu

  • BOS–SAT, 09/30/26 – 10/07/26: From $564
    30

    We

  • BOS–SAT, 10/01/26 – 10/08/26: From $734
    01

    Th

    OCT

  • BOS–SAT, 10/02/26 – 10/09/26: From $910
    02

    Fr

  • BOS–SAT, 10/03/26 – 10/10/26: From $514
    03

    Sa

  • BOS–SAT, 10/04/26 – 10/11/26: From $779
    04

    Su

  • BOS–SAT, 10/05/26 – 10/12/26: From $734
    05

    Mo

  • BOS–SAT, 10/06/26 – 10/13/26: From $419
    06

    Tu

  • BOS–SAT, 10/07/26 – 10/11/26: From $355
    07

    We

  • BOS–SAT, 10/08/26 – 10/15/26: From $598
    08

    Th

  • BOS–SAT, 10/09/26 – 10/16/26: From $638
    09

    Fr

  • BOS–SAT, 10/10/26 – 10/17/26: From $434
    10

    Sa

  • BOS–SAT, 10/11/26 – 10/18/26: From $617
    11

    Su

  • BOS–SAT, 10/12/26 – 10/19/26: From $723
    12

    Mo

  • BOS–SAT, 10/13/26 – 10/20/26: From $513
    13

    Tu

  • BOS–SAT, 10/14/26 – 10/21/26: From $434
    14

    We

  • BOS–SAT: cmp-view-offers-disclaimer. Find Offers
    15

    Th

  • BOS–SAT: cmp-view-offers-disclaimer. Find Offers
    16

    Fr

    • range$355-$910

    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 San Antonio flights

    $
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    Boston (BOS)to

    San Antonio (SAT)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $309Fare subject to changes
    Updated: 8 hours ago

    Boston (BOS)to

    San Antonio (SAT)
    12/02/26 - 12/09/26

    Round trip

    Economy

    from
    $309Fare subject to changes
    Updated: 8 hours ago

    Boston (BOS)to

    San Antonio (SAT)
    12/06/26 - 12/13/26

    Round trip

    Economy

    from
    $309Fare subject to changes
    Updated: 8 hours ago

    Boston (BOS)to

    San Antonio (SAT)
    11/06/26 - 11/13/26

    Round trip

    Economy

    from
    $309Fare subject to changes
    Updated: 8 hours ago

    Boston (BOS)to

    San Antonio (SAT)
    11/07/26 - 11/14/26

    Round trip

    Economy

    from
    $309Fare subject to changes
    Updated: 8 hours ago

    Boston (BOS)to

    San Antonio (SAT)
    11/10/26 - 11/17/26

    Round trip

    Economy

    from
    $309Fare subject to changes
    Updated: 8 hours ago

    Boston (BOS)to

    San Antonio (SAT)
    11/11/26 - 11/18/26

    Round trip

    Economy

    from
    $309Fare subject to changes
    Updated: 8 hours ago

    Boston (BOS)to

    San Antonio (SAT)
    11/17/26 - 11/24/26

    Round trip

    Economy

    from
    $309Fare subject to changes
    Updated: 8 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.

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