Southwest® flights from Phoenix to Denver from $99

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Low fares from Phoenix to Denver

$

Phoenix (PHX)to

Denver (DEN)
Depart: 10/14/2026

One-way

Basic

From
$99
Seen: 7 hrs ago

Phoenix (PHX)to

Denver (DEN)
Depart: 09/02/2026

One-way

Basic

From
$99
Seen: 13 hrs ago

Phoenix (PHX)to

Denver (DEN)
Depart: 09/30/2026

One-way

Basic

From
$99
Seen: 3 hrs ago

Phoenix (PHX)to

Denver (DEN)
Depart: 09/22/2026

One-way

Basic

From
$99
Seen: 2 hrs ago

Phoenix (PHX)to

Denver (DEN)
Depart: 10/06/2026

One-way

Basic

From
$99
Seen: 20 hrs ago

Phoenix (PHX)to

Denver (DEN)
Depart: 09/09/2026

One-way

Basic

From
$99
Seen: 22 hrs ago

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Explore flights from Phoenix to Denver

Jul 2026
From$231*
Seen: 21 hrs ago
One Way/Basic
Aug 2026
From$99*
Seen: 6 hrs ago
One Way/Basic
Sep 2026
From$99*
Seen: 6 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $99
cmp-daily-histogram-bars-legend-max-price-aria-label $231
Displaying fares for July-2026
  • PHX–DEN, 07/31/2026: From $231
    31

    Fri

    JUL

  • PHX–DEN, 08/01/2026: From $182
    01

    Sat

  • PHX–DEN, 08/02/2026: From $182
    02

    Sun

  • PHX–DEN, 08/03/2026: From $231
    03

    Mon

  • PHX–DEN, 08/04/2026: From $182
    04

    Tue

  • PHX–DEN, 08/05/2026: From $182
    05

    Wed

  • PHX–DEN, 08/06/2026: From $231
    06

    Thu

  • PHX–DEN, 08/07/2026: From $231
    07

    Fri

  • PHX–DEN, 08/08/2026: From $182
    08

    Sat

  • PHX–DEN, 08/09/2026: From $231
    09

    Sun

  • PHX–DEN, 08/10/2026: From $231
    10

    Mon

  • PHX–DEN, 08/11/2026: From $182
    11

    Tue

  • PHX–DEN, 08/12/2026: From $182
    12

    Wed

  • PHX–DEN, 08/13/2026: From $199
    13

    Thu

  • PHX–DEN, 08/14/2026: From $199
    14

    Fri

  • PHX–DEN, 08/15/2026: From $182
    15

    Sat

  • PHX–DEN, 08/16/2026: From $139
    16

    Sun

  • PHX–DEN, 08/17/2026: From $199
    17

    Mon

  • PHX–DEN, 08/18/2026: From $182
    18

    Tue

  • PHX–DEN, 08/19/2026: From $182
    19

    Wed

  • PHX–DEN, 08/20/2026: From $199
    20

    Thu

  • PHX–DEN, 08/21/2026: From $139
    21

    Fri

  • PHX–DEN, 08/22/2026: From $109
    22

    Sat

  • PHX–DEN, 08/23/2026: From $169
    23

    Sun

  • PHX–DEN, 08/24/2026: From $118
    24

    Mon

  • PHX–DEN, 08/25/2026: From $99
    25

    Tue

  • PHX–DEN: cmp-view-offers-disclaimer. Find Offers
    26

    Wed

  • PHX–DEN, 08/27/2026: From $109
    27

    Thu

  • PHX–DEN, 08/28/2026: From $139
    28

    Fri

  • PHX–DEN, 08/29/2026: From $149
    29

    Sat

  • PHX–DEN, 08/30/2026: From $151
    30

    Sun

    • Range$99-$231

    *Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.

    Flight Details

    Departing from:
    Sky Harbor International Airport
    Arriving at:
    Denver International Airport
    Average flight time:
    1 hour 46 minutes
    Distance:
    602 miles

    Route Information

    156† Weekly flights
    • 11‡ Nonstop flights per day Monday through Friday
    • 8‡ Nonstop flights on Saturday
    • 12‡ Nonstop flights on Sunday

    † Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.

    ‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.

    Questions we hear the most

    The average flight time from Phoenix to Denver is 1 hour 46 minutes.
    There are 156 weekly flights from Phoenix to Denver on Southwest Airlines.
    Yes, Southwest flies nonstop from Phoenix to Denver 11 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Phoenix to Denver 8 times per day on Saturdays and 12 times per day on Sundays.
    To find the lowest fares by day and time to fly Phoenix to Denver with Southwest, check out our Low Fare Calendar.
    You can rent a car at Denver International Airport book yours with your flight.
    Yes! Flights from Phoenix to Denver—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
    Check the status of your upcoming Southwest flight.
    Check out the Southwest Airlines® Help Center for answers about everything Southwest.

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