American Airlines flights from Flagstaff to Boston

Recent searches for flights from Flagstaff to Boston

Aug 2026
From$558*
Updated: 5 hours ago
Round tripIEconomy
Sep 2026
From$486*
Updated: 5 hours ago
Round tripIEconomy
Oct 2026
From$486*
Updated: 5 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $522
cmp-daily-histogram-bars-legend-max-price-aria-label $646
Displaying fares for August-2026
  • FLG–BOS: cmp-view-offers-disclaimer. Find Offers
    08

    Sa

    AUG

  • FLG–BOS, 08/09/26 – 08/16/26: From $618
    09

    Su

  • FLG–BOS, 08/10/26 – 08/17/26: From $618
    10

    Mo

  • FLG–BOS, 08/11/26 – 08/18/26: From $558
    11

    Tu

  • FLG–BOS, 08/12/26 – 08/19/26: From $558
    12

    We

  • FLG–BOS, 08/13/26 – 08/20/26: From $618
    13

    Th

  • FLG–BOS, 08/14/26 – 08/21/26: From $618
    14

    Fr

  • FLG–BOS, 08/15/26 – 08/22/26: From $558
    15

    Sa

  • FLG–BOS, 08/16/26 – 08/23/26: From $618
    16

    Su

  • FLG–BOS, 08/17/26 – 08/24/26: From $618
    17

    Mo

  • FLG–BOS, 08/18/26 – 08/25/26: From $558
    18

    Tu

  • FLG–BOS, 08/19/26 – 08/26/26: From $558
    19

    We

  • FLG–BOS, 08/20/26 – 08/27/26: From $618
    20

    Th

  • FLG–BOS, 08/21/26 – 08/28/26: From $618
    21

    Fr

  • FLG–BOS, 08/22/26 – 08/29/26: From $558
    22

    Sa

  • FLG–BOS, 08/23/26 – 08/30/26: From $618
    23

    Su

  • FLG–BOS, 08/24/26 – 08/31/26: From $618
    24

    Mo

  • FLG–BOS, 08/25/26 – 09/01/26: From $558
    25

    Tu

  • FLG–BOS, 08/26/26 – 09/02/26: From $558
    26

    We

  • FLG–BOS, 08/27/26 – 09/03/26: From $646
    27

    Th

  • FLG–BOS, 08/28/26 – 09/04/26: From $646
    28

    Fr

  • FLG–BOS, 08/29/26 – 09/05/26: From $558
    29

    Sa

  • FLG–BOS, 08/30/26 – 09/06/26: From $618
    30

    Su

  • FLG–BOS, 08/31/26 – 09/07/26: From $582
    31

    Mo

  • FLG–BOS, 09/01/26 – 09/08/26: From $584
    01

    Tu

    SEP

  • FLG–BOS, 09/02/26 – 09/09/26: From $522
    02

    We

  • FLG–BOS, 09/03/26 – 09/10/26: From $582
    03

    Th

  • FLG–BOS, 09/04/26 – 09/11/26: From $582
    04

    Fr

  • FLG–BOS: cmp-view-offers-disclaimer. Find Offers
    05

    Sa

  • FLG–BOS: cmp-view-offers-disclaimer. Find Offers
    06

    Su

  • FLG–BOS: cmp-view-offers-disclaimer. Find Offers
    07

    Mo

    • range$522-$646

    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 Flagstaff to Boston flights

    $
    keyboard_arrow_down

    Flagstaff (FLG)to

    Boston (BOS)
    10/14/26 - 10/21/26

    Round trip

    Economy

    from
    $486Fare subject to changes
    Updated: 5 hours ago

    Flagstaff (FLG)to

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

    Round trip

    Economy

    from
    $486Fare subject to changes
    Updated: 5 hours ago

    Flagstaff (FLG)to

    Boston (BOS)
    09/23/26 - 09/30/26

    Round trip

    Economy

    from
    $486Fare subject to changes
    Updated: 5 hours ago

    Flagstaff (FLG)to

    Boston (BOS)
    11/03/26 - 11/10/26

    Round trip

    Economy

    from
    $486Fare subject to changes
    Updated: 5 hours ago

    Flagstaff (FLG)to

    Boston (BOS)
    10/10/26 - 10/17/26

    Round trip

    Economy

    from
    $486Fare subject to changes
    Updated: 5 hours ago

    Flagstaff (FLG)to

    Boston (BOS)
    10/21/26 - 10/28/26

    Round trip

    Economy

    from
    $486Fare subject to changes
    Updated: 5 hours ago

    Flagstaff (FLG)to

    Boston (BOS)
    10/28/26 - 11/04/26

    Round trip

    Economy

    from
    $486Fare subject to changes
    Updated: 5 hours ago

    Flagstaff (FLG)to

    Boston (BOS)
    09/08/26 - 09/15/26

    Round trip

    Economy

    from
    $486Fare subject to changes
    Updated: 5 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 Flagstaff to Boston

    Looking for lower fares on your trip from Flagstaff 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 Flagstaff to Boston