Alaska Airlines Flights from Phoenix to Denver

Lowest fares from Phoenix to Denver

Jun 2026
From$180*
Seen: 8 hours ago
Flight Type One Way|Saver
Jul 2026
From$109*
Seen: 8 hours ago
Flight Type One Way|Saver
Aug 2026
From$105*
Seen: 8 hours ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $109
cmp-daily-histogram-bars-legend-max-price-aria-label $410
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    • Range$109-$410

    *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 Phoenix to Denver.*

    $
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    One-way low-fare flights Phoenix to Denver.*
    From
    To
    Fare Type
    Dates
    Price
    Phoenix (PHX)Denver (DEN)One-way
    |
    Saver    		Depart: Aug 18, 2026

    From

    $105

    Seen: 8 hours ago

    Phoenix (PHX)Denver (DEN)One-way
    |
    Saver    		Depart: Aug 22, 2026

    From

    $105

    Seen: 8 hours ago

    Phoenix (PHX)Denver (DEN)One-way
    |
    Saver    		Depart: Sep 9, 2026

    From

    $105

    Seen: 8 hours ago

    Phoenix (PHX)Denver (DEN)One-way
    |
    Saver    		Depart: Sep 12, 2026

    From

    $105

    Seen: 8 hours ago

    Phoenix (PHX)Denver (DEN)One-way
    |
    Saver    		Depart: Sep 15, 2026

    From

    $105

    Seen: 8 hours ago

    Phoenix (PHX)Denver (DEN)One-way
    |
    Saver    		Depart: Sep 26, 2026

    From

    $105

    Seen: 8 hours ago

    Phoenix (PHX)Denver (DEN)One-way
    |
    Saver    		Depart: Sep 29, 2026

    From

    $105

    Seen: 8 hours ago

    Phoenix (PHX)Denver (DEN)One-way
    |
    Saver    		Depart: Sep 30, 2026

    From

    $105

    Seen: 8 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.

    Explore Alaska Airlines's Flights to Top-Pick Destinations