Flights from Boise (BOI) to Idaho Falls (IDA) on Alaska Airlines

Lowest fares from Boise to Idaho Falls

Nov 2026
From$359*
Seen: 18 hours ago
Flight Type One Way|Saver
Dec 2026
From$257*
Seen: 18 hours ago
Flight Type One Way|Saver
Jan 2027
From$297*
Seen: 18 hours ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $297
cmp-daily-histogram-bars-legend-max-price-aria-label $1.2K
Displaying fares for November-2026
  • BOI–IDA, Nov 11, 2026: From $639
    11

    We

    NOV

  • BOI–IDA, Nov 12, 2026: From $639
    12

    Th

  • BOI–IDA, Nov 13, 2026: From $639
    13

    Fr

  • BOI–IDA, Nov 14, 2026: From $639
    14

    Sa

  • BOI–IDA, Nov 15, 2026: From $644
    15

    Su

  • BOI–IDA, Nov 16, 2026: From $544
    16

    Mo

  • BOI–IDA, Nov 17, 2026: From $539
    17

    Tu

  • BOI–IDA, Nov 18, 2026: From $539
    18

    We

  • BOI–IDA, Nov 19, 2026: From $539
    19

    Th

  • BOI–IDA, Nov 20, 2026: From $544
    20

    Fr

  • BOI–IDA, Nov 21, 2026: From $539
    21

    Sa

  • BOI–IDA, Nov 22, 2026: From $539
    22

    Su

  • BOI–IDA, Nov 23, 2026: From $413
    23

    Mo

  • BOI–IDA, Nov 24, 2026: From $408
    24

    Tu

  • BOI–IDA, Nov 25, 2026: From $738
    25

    We

  • BOI–IDA, Nov 26, 2026: From $413
    26

    Th

  • BOI–IDA, Nov 27, 2026: From $413
    27

    Fr

  • BOI–IDA, Nov 28, 2026: From $539
    28

    Sa

  • BOI–IDA, Nov 29, 2026: From $1,217
    29

    Su

  • BOI–IDA, Nov 30, 2026: From $359
    30

    Mo

  • BOI–IDA, Dec 1, 2026: From $354
    01

    Tu

    DEC

  • BOI–IDA, Dec 2, 2026: From $354
    02

    We

  • BOI–IDA, Dec 3, 2026: From $354
    03

    Th

  • BOI–IDA, Dec 4, 2026: From $354
    04

    Fr

  • BOI–IDA, Dec 5, 2026: From $354
    05

    Sa

  • BOI–IDA, Dec 6, 2026: From $354
    06

    Su

  • BOI–IDA, Dec 7, 2026: From $354
    07

    Mo

  • BOI–IDA, Dec 8, 2026: From $354
    08

    Tu

  • BOI–IDA, Dec 9, 2026: From $297
    09

    We

  • BOI–IDA, Dec 10, 2026: From $317
    10

    Th

    • Range$297-$1,217

    *Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

    One-way low-fare flights Boise to Idaho Falls.*

    $
    keyboard_arrow_down
    One-way low-fare flights Boise to Idaho Falls.*
    From
    To
    Fare Type
    Dates
    Price
    Boise (BOI)Idaho Falls (IDA)One-way
    |
    Saver    		Depart: Feb 13, 2027

    From

    $247

    Seen: 18 hours ago

    Boise (BOI)Idaho Falls (IDA)One-way
    |
    Saver    		Depart: Dec 25, 2026

    From

    $257

    Seen: 18 hours ago

    Boise (BOI)Idaho Falls (IDA)One-way
    |
    Saver    		Depart: Mar 5, 2027

    From

    $257

    Seen: 18 hours ago

    Boise (BOI)Idaho Falls (IDA)One-way
    |
    Saver    		Depart: Feb 19, 2027

    From

    $257

    Seen: 18 hours ago

    Boise (BOI)Idaho Falls (IDA)One-way
    |
    Saver    		Depart: Feb 26, 2027

    From

    $257

    Seen: 18 hours ago

    Boise (BOI)Idaho Falls (IDA)One-way
    |
    Saver    		Depart: Jan 16, 2027

    From

    $297

    Seen: 18 hours ago

    Boise (BOI)Idaho Falls (IDA)One-way
    |
    Saver    		Depart: Jan 27, 2027

    From

    $297

    Seen: 18 hours ago

    Boise (BOI)Idaho Falls (IDA)One-way
    |
    Saver    		Depart: Feb 2, 2027

    From

    $297

    Seen: 18 hours ago

    *Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

    Frequently Asked Questions on flights from Boise (BOI) to Idaho Falls (IDA)

    When is the best time to book a flight from Boise to Idaho Falls?

    Want to find the lowest fares by day and time flying from Boise to Idaho Falls on Alaska Airlines or Hawaiian Airlines? Check out our flight search widget.

    Can I earn points on my flight to Idaho Falls?

    Yes, with Atmosâ„¢ Rewards you can earn points on flights to 1000+ destinations worldwide through the growing network of Alaska and Hawaiian Airlines. Not an Atmosâ„¢ Rewards member yet? Learn more and join today.

    Can I rent a car when I arrive at Idaho Falls Regional Airport?

    Yes, you can rent a car at Idaho Falls Regional Airport. Check availability and book now

    Where can I find the status of my flight to Idaho Falls?

    You can check the status of your upcoming Alaska Airlines flight on our flight schedule page.

    Where can I find answers to questions about flying with Alaska Airlines?

    Visit the Alaska Airlines Help Center to quickly browse our help pages by category to find the information you need.

    Can I change or cancel my Alaska Airlines flight to Idaho Falls?

    Yes, you can review, modify, or cancel a reservation from our Manage Your Reservation tool. You can learn more about our policy for changing or cancelling a reservation here. 

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