Southwest® flights from Phoenix to Santa Rosa from $90

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Low fares from Phoenix to Santa Rosa

$

Phoenix (PHX)to

Santa Rosa (STS)
Depart: 10/17/2026

One-way

Basic

From
$90

Low fares from Phoenix to Santa Rosa

$

Phoenix (PHX)to

Santa Rosa (STS)
Depart: 09/02/2026

One-way

Basic

From
$90
Seen: 21 hrs ago

Phoenix (PHX)to

Santa Rosa (STS)
Depart: 10/17/2026

One-way

Basic

From
$90
Seen: 13 hrs ago

Phoenix (PHX)to

Santa Rosa (STS)
Depart: 10/22/2026

One-way

Basic

From
$90
Seen: 10 hrs ago

Phoenix (PHX)to

Santa Rosa (STS)
Depart: 08/31/2026

One-way

Basic

From
$90
Seen: 11 hrs ago

Phoenix (PHX)to

Santa Rosa (STS)
Depart: 11/12/2026

One-way

Basic

From
$90
Seen: 23 hrs ago

Phoenix (PHX)to

Santa Rosa (STS)
Depart: 09/10/2026

One-way

Basic

From
$90
Seen: 13 hrs ago

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Explore flights from Phoenix to Santa Rosa

Aug 2026
From$90*
Seen: 11 hrs ago
One Way/Basic
Sep 2026
From$90*
Seen: 21 hrs ago
One Way/Basic
Oct 2026
From$90*
Seen: 10 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $90
cmp-daily-histogram-bars-legend-max-price-aria-label $211
Displaying fares for August-2026
  • PHX–STS, 08/12/2026: From $176
    12

    Wed

    AUG

  • PHX–STS, 08/13/2026: From $211
    13

    Thu

  • PHX–STS, 08/14/2026: From $211
    14

    Fri

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    15

    Sat

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    16

    Sun

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    17

    Mon

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    18

    Tue

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    19

    Wed

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    20

    Thu

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    21

    Fri

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    22

    Sat

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    23

    Sun

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    24

    Mon

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    25

    Tue

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    26

    Wed

  • PHX–STS, 08/27/2026: From $174
    27

    Thu

  • PHX–STS, 08/28/2026: From $174
    28

    Fri

  • PHX–STS, 08/29/2026: From $174
    29

    Sat

  • PHX–STS, 08/30/2026: From $174
    30

    Sun

  • PHX–STS, 08/31/2026: From $90
    31

    Mon

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    01

    Tue

    SEP

  • PHX–STS, 09/02/2026: From $90
    02

    Wed

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    03

    Thu

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    04

    Fri

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    05

    Sat

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    06

    Sun

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    07

    Mon

  • PHX–STS, 09/08/2026: From $90
    08

    Tue

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    09

    Wed

  • PHX–STS, 09/10/2026: From $90
    10

    Thu

  • PHX–STS, 09/11/2026: From $117
    11

    Fri

    • Range$90-$211

    *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:
    Charles M. Schulz–Sonoma County Airport
    Distance:
    699 miles

    Route Information

    53† 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 53 weekly flights from Phoenix to Santa Rosa on Southwest Airlines.
    To find the lowest fares by day and time to fly Phoenix to Santa Rosa with Southwest, check out our Low Fare Calendar.
    You can rent a car at Charles M. Schulz–Sonoma County Airport book yours with your flight.
    Yes! Flights from Phoenix to Santa Rosa—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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