Flights from Boise (BOI) to Denver (DEN) on Alaska Airlines

Lowest fares from Boise to Denver

Sep 2026
From$356*
Seen: 1 day ago
Flight Type One Way|Saver
Oct 2026
From$154*
Seen: 8 hours ago
Flight Type One Way|Saver
Nov 2026
Try another month to see offers
cmp-daily-histogram-bars-legend-min-price-aria-label $356
Displaying fares for September-2026
  • BOI–DEN, Sep 12, 2026: From $356
    12

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    SEP

  • BOI–DEN, Sep 13, 2026: From $366
    13

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  • BOI–DEN, Sep 14, 2026: From $366
    14

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    • Range$356-$366

    *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 Denver.*

    $
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    One-way low-fare flights Boise to Denver.*
    From
    To
    Fare Type
    Dates
    Price
    Boise (BOI)Denver (DEN)One-way
    |
    Saver    		Depart: Oct 28, 2026

    From

    $154

    Seen: 8 hours ago

    Boise (BOI)Denver (DEN)One-way
    |
    Saver    		Depart: Sep 14, 2026

    From

    $366

    Seen: 2 hours ago

    Boise (BOI)Denver (DEN)One-way
    |
    Saver    		Depart: Sep 13, 2026

    From

    $366

    Seen: 1 hour ago

    Boise (BOI)Denver (DEN)One-way
    |
    Saver    		Depart: Oct 22, 2026

    From

    $189

    Seen: 1 day ago

    Boise (BOI)Denver (DEN)One-way
    |
    Saver    		Depart: Dec 22, 2026

    From

    $279

    Seen: 1 day ago

    Boise (BOI)Denver (DEN)One-way
    |
    Saver    		Depart: Sep 12, 2026

    From

    $356

    Seen: 1 day 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 Denver (DEN)

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

    Want to find the lowest fares by day and time flying from Boise to Denver on Alaska Airlines or Hawaiian Airlines? Check out our flight search widget.Frequently Asked Questions on flights from Boise (BOI) to Denver (DEN)

    Can I earn points on my flight to Denver?

    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 Denver International Airport?

    Yes, you can rent a car at Denver International Airport. Check availability and book now

    Where can I find the status of my flight to Denver

    You can check the status of your upcoming Alaska Airlines 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 Denver?

    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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