American Airlines flights from Boston to Flagstaff

Recent searches for flights from Boston to Flagstaff

Sep 2026
From$522*
Updated: 5 hours ago
Round tripIEconomy
Oct 2026
From$486*
Updated: 5 hours ago
Round tripIEconomy
Nov 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 $900
Displaying fares for September-2026
  • BOS–FLG: cmp-view-offers-disclaimer. Find Offers
    04

    Fr

    SEP

  • BOS–FLG, 09/05/26 – 09/12/26: From $584
    05

    Sa

  • BOS–FLG, 09/06/26 – 09/13/26: From $618
    06

    Su

  • BOS–FLG, 09/07/26 – 09/14/26: From $618
    07

    Mo

  • BOS–FLG, 09/08/26 – 09/15/26: From $852
    08

    Tu

  • BOS–FLG, 09/09/26 – 09/16/26: From $558
    09

    We

  • BOS–FLG, 09/10/26 – 09/17/26: From $618
    10

    Th

  • BOS–FLG, 09/11/26 – 09/18/26: From $618
    11

    Fr

  • BOS–FLG, 09/12/26 – 09/19/26: From $558
    12

    Sa

  • BOS–FLG, 09/13/26 – 09/20/26: From $618
    13

    Su

  • BOS–FLG, 09/14/26 – 09/21/26: From $714
    14

    Mo

  • BOS–FLG, 09/15/26 – 09/22/26: From $558
    15

    Tu

  • BOS–FLG, 09/16/26 – 09/23/26: From $558
    16

    We

  • BOS–FLG, 09/17/26 – 09/24/26: From $618
    17

    Th

  • BOS–FLG, 09/18/26 – 09/25/26: From $618
    18

    Fr

  • BOS–FLG, 09/19/26 – 09/26/26: From $622
    19

    Sa

  • BOS–FLG, 09/20/26 – 09/27/26: From $646
    20

    Su

  • BOS–FLG, 09/21/26 – 09/28/26: From $656
    21

    Mo

  • BOS–FLG, 09/22/26 – 09/29/26: From $558
    22

    Tu

  • BOS–FLG, 09/23/26 – 09/30/26: From $558
    23

    We

  • BOS–FLG, 09/24/26 – 10/07/26: From $552
    24

    Th

  • BOS–FLG, 09/25/26 – 10/02/26: From $618
    25

    Fr

  • BOS–FLG, 09/26/26 – 10/03/26: From $594
    26

    Sa

  • BOS–FLG, 09/27/26 – 10/04/26: From $900
    27

    Su

  • BOS–FLG, 09/28/26 – 10/05/26: From $640
    28

    Mo

  • BOS–FLG, 09/29/26 – 10/06/26: From $558
    29

    Tu

  • BOS–FLG, 09/30/26 – 10/07/26: From $522
    30

    We

  • BOS–FLG, 10/01/26 – 10/08/26: From $737
    01

    Th

    OCT

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

    Fr

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

    Sa

    • range$522-$900

    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 Flagstaff flights

    $
    keyboard_arrow_down

    Boston (BOS)to

    Flagstaff (FLG)
    10/20/26 - 10/27/26

    Round trip

    Economy

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

    Boston (BOS)to

    Flagstaff (FLG)
    10/27/26 - 11/03/26

    Round trip

    Economy

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

    Boston (BOS)to

    Flagstaff (FLG)
    10/28/26 - 11/04/26

    Round trip

    Economy

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

    Boston (BOS)to

    Flagstaff (FLG)
    11/04/26 - 11/11/26

    Round trip

    Economy

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

    Boston (BOS)to

    Flagstaff (FLG)
    11/24/26 - 12/01/26

    Round trip

    Economy

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

    Boston (BOS)to

    Flagstaff (FLG)
    10/07/26 - 10/14/26

    Round trip

    Economy

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

    Boston (BOS)to

    Flagstaff (FLG)
    10/21/26 - 10/28/26

    Round trip

    Economy

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

    Boston (BOS)to

    Flagstaff (FLG)
    10/24/26 - 10/31/26

    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 Boston to Flagstaff

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

    Citi / AAdvantage credit card offer.

    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 Flagstaff