Southwest® flights from Santa Rosa to Phoenix from $104

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Low fares from Santa Rosa to Phoenix

$

Santa Rosa (STS)to

Phoenix (PHX)
Depart: 09/23/2026

One-way

Basic

From
$104

Low fares from Santa Rosa to Phoenix

$

Santa Rosa (STS)to

Phoenix (PHX)
Depart: 09/18/2026

One-way

Basic

From
$104
Seen: 6 hrs ago

Santa Rosa (STS)to

Phoenix (PHX)
Depart: 09/23/2026

One-way

Basic

From
$104
Seen: 10 hrs ago

Santa Rosa (STS)to

Phoenix (PHX)
Depart: 09/25/2026

One-way

Basic

From
$104
Seen: 21 hrs ago

Santa Rosa (STS)to

Phoenix (PHX)
Depart: 09/16/2026

One-way

Basic

From
$104
Seen: 20 hrs ago

Santa Rosa (STS)to

Phoenix (PHX)
Depart: 10/08/2026

One-way

Basic

From
$104
Seen: 16 hrs ago

Santa Rosa (STS)to

Phoenix (PHX)
Depart: 09/03/2026

One-way

Basic

From
$104
Seen: 5 hrs ago

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Explore flights from Santa Rosa to Phoenix

Aug 2026
From$134*
Seen: 3 hrs ago
One Way/Basic
Sep 2026
From$104*
Seen: 21 hrs ago
One Way/Basic
Oct 2026
From$104*
Seen: 9 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $104
cmp-daily-histogram-bars-legend-max-price-aria-label $242
Displaying fares for August-2026
  • STS–PHX, 08/02/2026: From $242
    02

    Sun

    AUG

  • STS–PHX, 08/03/2026: From $211
    03

    Mon

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    04

    Tue

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    05

    Wed

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    06

    Thu

  • STS–PHX, 08/07/2026: From $211
    07

    Fri

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    08

    Sat

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    09

    Sun

  • STS–PHX, 08/10/2026: From $211
    10

    Mon

  • STS–PHX, 08/11/2026: From $176
    11

    Tue

  • STS–PHX, 08/12/2026: From $176
    12

    Wed

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    13

    Thu

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    14

    Fri

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    15

    Sat

  • STS–PHX, 08/16/2026: From $224
    16

    Sun

  • STS–PHX, 08/17/2026: From $174
    17

    Mon

  • STS–PHX, 08/18/2026: From $174
    18

    Tue

  • STS–PHX: cmp-view-offers-disclaimer. Find Offers
    19

    Wed

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    20

    Thu

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    21

    Fri

  • STS–PHX, 08/22/2026: From $134
    22

    Sat

  • STS–PHX, 08/23/2026: From $211
    23

    Sun

  • STS–PHX, 08/24/2026: From $154
    24

    Mon

  • STS–PHX, 08/25/2026: From $134
    25

    Tue

  • STS–PHX, 08/26/2026: From $134
    26

    Wed

  • STS–PHX, 08/27/2026: From $134
    27

    Thu

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    28

    Fri

  • STS–PHX: cmp-view-offers-disclaimer. Find Offers
    29

    Sat

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    30

    Sun

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    31

    Mon

  • STS–PHX, 09/01/2026: From $104
    01

    Tue

    SEP

    • Range$104-$242

    *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:
    Charles M. Schulz–Sonoma County Airport
    Arriving at:
    Sky Harbor International Airport
    Distance:
    699 miles

    Route Information

    61† Weekly flights

    † 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

    There are 61 weekly flights from Santa Rosa to Phoenix on Southwest Airlines.
    To find the lowest fares by day and time to fly Santa Rosa to Phoenix with Southwest, check out our Low Fare Calendar.
    You can rent a car at Sky Harbor International Airport book yours with your flight.
    Yes! Flights from Santa Rosa to Phoenix—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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