American Airlines flights from Boise to Ontario

Recent searches for flights from Boise to Ontario

Sep 2026
From$253*
Updated: 14 hours ago
Round tripIEconomy
Oct 2026
From$217*
Updated: 14 hours ago
Round tripIEconomy
Nov 2026
From$217*
Updated: 14 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $253
cmp-daily-histogram-bars-legend-max-price-aria-label $808
Displaying fares for September-2026
  • BOI–ONT: cmp-view-offers-disclaimer. Find Offers
    08

    Tu

    SEP

  • BOI–ONT, 09/09/26 – 09/16/26: From $386
    09

    We

  • BOI–ONT, 09/10/26 – 09/17/26: From $580
    10

    Th

  • BOI–ONT, 09/11/26 – 09/18/26: From $729
    11

    Fr

  • BOI–ONT, 09/12/26 – 09/19/26: From $339
    12

    Sa

  • BOI–ONT, 09/13/26 – 09/20/26: From $808
    13

    Su

  • BOI–ONT, 09/14/26 – 09/21/26: From $627
    14

    Mo

  • BOI–ONT, 09/15/26 – 09/22/26: From $326
    15

    Tu

  • BOI–ONT, 09/16/26 – 09/23/26: From $486
    16

    We

  • BOI–ONT, 09/17/26 – 09/24/26: From $501
    17

    Th

  • BOI–ONT, 09/18/26 – 09/25/26: From $797
    18

    Fr

  • BOI–ONT, 09/19/26 – 09/26/26: From $385
    19

    Sa

  • BOI–ONT, 09/20/26 – 09/27/26: From $639
    20

    Su

  • BOI–ONT, 09/21/26 – 09/28/26: From $639
    21

    Mo

  • BOI–ONT, 09/22/26 – 09/29/26: From $381
    22

    Tu

  • BOI–ONT, 09/23/26 – 09/30/26: From $371
    23

    We

  • BOI–ONT, 09/24/26 – 10/01/26: From $353
    24

    Th

  • BOI–ONT, 09/25/26 – 10/02/26: From $633
    25

    Fr

  • BOI–ONT, 09/26/26 – 10/03/26: From $401
    26

    Sa

  • BOI–ONT, 09/27/26 – 10/04/26: From $599
    27

    Su

  • BOI–ONT, 09/28/26 – 10/05/26: From $400
    28

    Mo

  • BOI–ONT, 09/29/26 – 10/06/26: From $253
    29

    Tu

  • BOI–ONT, 09/30/26 – 10/07/26: From $253
    30

    We

  • BOI–ONT, 10/01/26 – 10/08/26: From $357
    01

    Th

    OCT

  • BOI–ONT, 10/02/26 – 10/09/26: From $343
    02

    Fr

  • BOI–ONT, 10/03/26 – 10/10/26: From $288
    03

    Sa

  • BOI–ONT, 10/04/26 – 10/11/26: From $639
    04

    Su

  • BOI–ONT, 10/05/26 – 10/12/26: From $423
    05

    Mo

  • BOI–ONT: cmp-view-offers-disclaimer. Find Offers
    06

    Tu

  • BOI–ONT: cmp-view-offers-disclaimer. Find Offers
    07

    We

    • range$253-$808

    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 Boise to Ontario flights

    $
    keyboard_arrow_down

    Boise (BOI)to

    Ontario (ONT)
    10/13/26 - 10/20/26

    Round trip

    Economy

    from
    $217Fare subject to changes
    Updated: 14 hours ago

    Boise (BOI)to

    Ontario (ONT)
    10/17/26 - 10/24/26

    Round trip

    Economy

    from
    $217Fare subject to changes
    Updated: 14 hours ago

    Boise (BOI)to

    Ontario (ONT)
    10/20/26 - 10/27/26

    Round trip

    Economy

    from
    $217Fare subject to changes
    Updated: 14 hours ago

    Boise (BOI)to

    Ontario (ONT)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $217Fare subject to changes
    Updated: 14 hours ago

    Boise (BOI)to

    Ontario (ONT)
    11/10/26 - 11/17/26

    Round trip

    Economy

    from
    $217Fare subject to changes
    Updated: 14 hours ago

    Boise (BOI)to

    Ontario (ONT)
    10/24/26 - 10/31/26

    Round trip

    Economy

    from
    $217Fare subject to changes
    Updated: 14 hours ago

    Boise (BOI)to

    Ontario (ONT)
    10/31/26 - 11/07/26

    Round trip

    Economy

    from
    $217Fare subject to changes
    Updated: 14 hours ago

    Boise (BOI)to

    Ontario (ONT)
    12/01/26 - 12/08/26

    Round trip

    Economy

    from
    $217Fare subject to changes
    Updated: 14 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 Boise to Ontario

    Looking for lower fares on your trip from Boise to Ontario? 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

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    • 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 Boise to Ontario