Flights from Phoenix, AZ to Denver, CO

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Best Deals on Flights From Phoenix, AZ (PHX) to Denver, CO (DEN)

May 2026
from$39*
Last seen: 2 hours ago
One-way/Economy
Jun 2026
from$55*
Last seen: 7 hours ago
One-way/Economy
Jul 2026
from$54*
Last seen: 8 hours ago
One-way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $39
cmp-daily-histogram-bars-legend-max-price-aria-label $142
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    • Range$39-$142

    *Prices found by others in the previous 48 hours for round-trip flights. Prices shown may also require membership in our travel club, Discount Den.

    Flights Deals from Phoenix, AZ to Denver, CO on Frontier

    $
    Flights Deals from Phoenix, AZ to Denver, CO on Frontier
    From
    To
    Phoenix, AZ (PHX)Denver, CO (DEN)One-way
    /
    Discount Den Basic Fare    		Departing Nov 9, 2026

    From

    $47

    Last seen: 10 hours ago

    *Prices found by others in the previous 48 hours for one-way flights. Prices shown may also require membership in our travel club, Discount Den®.

    Phoenix, AZ Denver, CO

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