Flights from Phoenix, AZ to Denver, CO

Promo Code

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

Aug 2026
from$104*
Last seen: 4 hours ago
One-way/Economy
Sep 2026
from$33*
Last seen: 14 mins ago
One-way/Economy
Oct 2026
from$33*
Last seen: 4 hours ago
One-way/Economy
cmp-daily-histogram-bars-legend-min-price-aria-label $33
cmp-daily-histogram-bars-legend-max-price-aria-label $154
Displaying fares for August-2026
  • PHX–DEN: cmp-view-offers-disclaimer. Find Offers
    27

    Thu

    AUG

  • PHX–DEN: cmp-view-offers-disclaimer. Find Offers
    28

    Fri

  • PHX–DEN, Aug 29, 2026: from $104
    29

    Sat

  • PHX–DEN, Aug 30, 2026: from $154
    30

    Sun

  • PHX–DEN, Aug 31, 2026: from $154
    31

    Mon

  • PHX–DEN, Sep 1, 2026: from $126
    01

    Tue

    SEP

  • PHX–DEN, Sep 2, 2026: from $116
    02

    Wed

  • PHX–DEN, Sep 3, 2026: from $128
    03

    Thu

  • PHX–DEN, Sep 4, 2026: from $137
    04

    Fri

  • PHX–DEN, Sep 5, 2026: from $48
    05

    Sat

  • PHX–DEN, Sep 6, 2026: from $70
    06

    Sun

  • PHX–DEN, Sep 7, 2026: from $83
    07

    Mon

  • PHX–DEN, Sep 8, 2026: from $78
    08

    Tue

  • PHX–DEN, Sep 9, 2026: from $80
    09

    Wed

  • PHX–DEN, Sep 10, 2026: from $63
    10

    Thu

  • PHX–DEN, Sep 11, 2026: from $63
    11

    Fri

  • PHX–DEN, Sep 12, 2026: from $63
    12

    Sat

  • PHX–DEN, Sep 13, 2026: from $88
    13

    Sun

  • PHX–DEN, Sep 14, 2026: from $43
    14

    Mon

  • PHX–DEN, Sep 15, 2026: from $43
    15

    Tue

  • PHX–DEN, Sep 16, 2026: from $43
    16

    Wed

  • PHX–DEN, Sep 17, 2026: from $56
    17

    Thu

  • PHX–DEN, Sep 18, 2026: from $61
    18

    Fri

  • PHX–DEN, Sep 19, 2026: from $33
    19

    Sat

  • PHX–DEN, Sep 20, 2026: from $97
    20

    Sun

  • PHX–DEN, Sep 21, 2026: from $43
    21

    Mon

  • PHX–DEN, Sep 22, 2026: from $33
    22

    Tue

  • PHX–DEN, Sep 23, 2026: from $43
    23

    Wed

  • PHX–DEN, Sep 24, 2026: from $43
    24

    Thu

  • PHX–DEN, Sep 25, 2026: from $61
    25

    Fri

  • PHX–DEN, Sep 26, 2026: from $33
    26

    Sat

    • Range$33-$154

    *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 Dec 5, 2026

    From

    $41

    Last seen: 4 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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