American Airlines flights from Boston to Buffalo

Recent searches for flights from Boston to Buffalo

Aug 2026
From$237*
Updated: 16 hours ago
Round tripIEconomy
Sep 2026
From$233*
Updated: 27 minutes ago
Round tripIEconomy
Oct 2026
From$237*
Updated: 16 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $237
cmp-daily-histogram-bars-legend-max-price-aria-label $531
Displaying fares for August-2026
  • BOS–BUF, 08/05/26 – 08/12/26: From $435
    05

    We

    AUG

  • BOS–BUF, 08/06/26 – 08/13/26: From $521
    06

    Th

  • BOS–BUF, 08/07/26 – 08/14/26: From $531
    07

    Fr

  • BOS–BUF, 08/08/26 – 08/15/26: From $435
    08

    Sa

  • BOS–BUF, 08/09/26 – 08/16/26: From $521
    09

    Su

  • BOS–BUF, 08/10/26 – 08/12/26: From $501
    10

    Mo

  • BOS–BUF, 08/11/26 – 08/18/26: From $346
    11

    Tu

  • BOS–BUF, 08/12/26 – 08/19/26: From $346
    12

    We

  • BOS–BUF, 08/13/26 – 08/20/26: From $389
    13

    Th

  • BOS–BUF, 08/14/26 – 08/21/26: From $389
    14

    Fr

  • BOS–BUF, 08/15/26 – 08/22/26: From $346
    15

    Sa

  • BOS–BUF, 08/16/26 – 08/23/26: From $389
    16

    Su

  • BOS–BUF, 08/17/26 – 08/24/26: From $389
    17

    Mo

  • BOS–BUF, 08/18/26 – 08/25/26: From $247
    18

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  • BOS–BUF, 08/19/26 – 08/26/26: From $247
    19

    We

  • BOS–BUF, 08/20/26 – 08/27/26: From $247
    20

    Th

  • BOS–BUF, 08/21/26 – 08/28/26: From $257
    21

    Fr

  • BOS–BUF, 08/22/26 – 08/29/26: From $247
    22

    Sa

  • BOS–BUF, 08/23/26 – 08/30/26: From $257
    23

    Su

  • BOS–BUF, 08/24/26 – 08/31/26: From $247
    24

    Mo

  • BOS–BUF, 08/25/26 – 09/01/26: From $237
    25

    Tu

  • BOS–BUF, 08/26/26 – 09/02/26: From $237
    26

    We

  • BOS–BUF, 08/27/26 – 09/03/26: From $237
    27

    Th

  • BOS–BUF, 08/28/26 – 09/04/26: From $257
    28

    Fr

  • BOS–BUF, 08/29/26 – 09/05/26: From $237
    29

    Sa

  • BOS–BUF, 08/30/26 – 09/06/26: From $257
    30

    Su

  • BOS–BUF, 08/31/26 – 09/07/26: From $237
    31

    Mo

  • BOS–BUF: cmp-view-offers-disclaimer. Find Offers
    01

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    SEP

  • BOS–BUF: cmp-view-offers-disclaimer. Find Offers
    02

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  • BOS–BUF: cmp-view-offers-disclaimer. Find Offers
    03

    Th

  • BOS–BUF, 09/04/26 – 09/07/26: From $247
    04

    Fr

    • range$237-$531

    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 Buffalo flights

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    keyboard_arrow_down

    Boston (BOS)to

    Buffalo (BUF)
    09/06/26 - 09/07/26

    Round trip

    Economy

    from
    $233Fare subject to changes
    Updated: 27 minutes ago

    Boston (BOS)to

    Buffalo (BUF)
    10/22/26 - 10/29/26

    Round trip

    Economy

    from
    $237Fare subject to changes
    Updated: 16 hours ago

    Boston (BOS)to

    Buffalo (BUF)
    10/29/26 - 11/05/26

    Round trip

    Economy

    from
    $237Fare subject to changes
    Updated: 16 hours ago

    Boston (BOS)to

    Buffalo (BUF)
    09/08/26 - 09/15/26

    Round trip

    Economy

    from
    $237Fare subject to changes
    Updated: 16 hours ago

    Boston (BOS)to

    Buffalo (BUF)
    09/12/26 - 09/19/26

    Round trip

    Economy

    from
    $237Fare subject to changes
    Updated: 16 hours ago

    Boston (BOS)to

    Buffalo (BUF)
    09/14/26 - 09/21/26

    Round trip

    Economy

    from
    $237Fare subject to changes
    Updated: 16 hours ago

    Boston (BOS)to

    Buffalo (BUF)
    09/15/26 - 09/22/26

    Round trip

    Economy

    from
    $237Fare subject to changes
    Updated: 16 hours ago

    Boston (BOS)to

    Buffalo (BUF)
    09/19/26 - 09/26/26

    Round trip

    Economy

    from
    $237Fare subject to changes
    Updated: 16 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 Buffalo

    Looking for lower fares on your trip from Boston to Buffalo? 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 Buffalo