American Airlines flights from Louisville to Boston

Recent searches for flights from Louisville to Boston

Aug 2026
From$402*
Updated: 3 hours ago
Round tripIEconomy
Sep 2026
From$324*
Updated: 1 hour ago
Round tripIEconomy
Oct 2026
From$337*
Updated: 3 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $324
cmp-daily-histogram-bars-legend-max-price-aria-label $559
Displaying fares for August-2026
  • SDF–BOS: cmp-view-offers-disclaimer. Find Offers
    11

    Tu

    AUG

  • SDF–BOS, 08/12/26 – 08/19/26: From $477
    12

    We

  • SDF–BOS, 08/13/26 – 08/20/26: From $559
    13

    Th

  • SDF–BOS, 08/14/26 – 08/21/26: From $559
    14

    Fr

  • SDF–BOS, 08/15/26 – 08/22/26: From $467
    15

    Sa

  • SDF–BOS, 08/16/26 – 08/23/26: From $559
    16

    Su

  • SDF–BOS, 08/17/26 – 08/23/26: From $506
    17

    Mo

  • SDF–BOS, 08/18/26 – 08/25/26: From $467
    18

    Tu

  • SDF–BOS, 08/19/26 – 08/26/26: From $467
    19

    We

  • SDF–BOS, 08/20/26 – 08/25/26: From $523
    20

    Th

  • SDF–BOS, 08/21/26 – 08/28/26: From $559
    21

    Fr

  • SDF–BOS, 08/22/26 – 09/02/26: From $402
    22

    Sa

  • SDF–BOS, 08/23/26 – 09/02/26: From $448
    23

    Su

  • SDF–BOS, 08/24/26 – 08/31/26: From $559
    24

    Mo

  • SDF–BOS, 08/25/26 – 09/01/26: From $437
    25

    Tu

  • SDF–BOS, 08/26/26 – 09/02/26: From $437
    26

    We

  • SDF–BOS, 08/27/26 – 08/31/26: From $493
    27

    Th

  • SDF–BOS, 08/28/26 – 09/04/26: From $559
    28

    Fr

  • SDF–BOS, 08/29/26 – 09/05/26: From $402
    29

    Sa

  • SDF–BOS, 08/30/26 – 09/06/26: From $436
    30

    Su

  • SDF–BOS, 08/31/26 – 09/07/26: From $559
    31

    Mo

  • SDF–BOS, 09/01/26 – 09/08/26: From $402
    01

    Tu

    SEP

  • SDF–BOS, 09/02/26 – 09/09/26: From $337
    02

    We

  • SDF–BOS, 09/03/26 – 09/06/26: From $393
    03

    Th

  • SDF–BOS, 09/04/26 – 09/11/26: From $472
    04

    Fr

  • SDF–BOS, 09/05/26 – 09/12/26: From $326
    05

    Sa

  • SDF–BOS, 09/06/26 – 09/13/26: From $388
    06

    Su

  • SDF–BOS, 09/07/26 – 09/14/26: From $501
    07

    Mo

  • SDF–BOS: cmp-view-offers-disclaimer. Find Offers
    08

    Tu

  • SDF–BOS, 09/09/26 – 09/15/26: From $337
    09

    We

  • SDF–BOS, 09/10/26 – 09/15/26: From $324
    10

    Th

    • range$324-$559

    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 Louisville to Boston flights

    $
    keyboard_arrow_down

    Louisville (SDF)to

    Boston (BOS)
    09/10/26 - 09/15/26

    Round trip

    Economy

    from
    $324Fare subject to changes
    Updated: 1 hour ago

    Louisville (SDF)to

    Boston (BOS)
    09/05/26 - 09/12/26

    Round trip

    Economy

    from
    $326Fare subject to changes
    Updated: 3 hours ago

    Louisville (SDF)to

    Boston (BOS)
    10/31/26 - 11/07/26

    Round trip

    Economy

    from
    $337Fare subject to changes
    Updated: 3 hours ago

    Louisville (SDF)to

    Boston (BOS)
    09/22/26 - 09/29/26

    Round trip

    Economy

    from
    $337Fare subject to changes
    Updated: 3 hours ago

    Louisville (SDF)to

    Boston (BOS)
    11/04/26 - 11/11/26

    Round trip

    Economy

    from
    $337Fare subject to changes
    Updated: 3 hours ago

    Louisville (SDF)to

    Boston (BOS)
    09/02/26 - 09/09/26

    Round trip

    Economy

    from
    $337Fare subject to changes
    Updated: 3 hours ago

    Louisville (SDF)to

    Boston (BOS)
    09/19/26 - 09/26/26

    Round trip

    Economy

    from
    $337Fare subject to changes
    Updated: 3 hours ago

    Louisville (SDF)to

    Boston (BOS)
    11/02/26 - 11/09/26

    Round trip

    Economy

    from
    $337Fare 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 Louisville to Boston

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