Southwest® flights from Phoenix to San Antonio from $124

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Low fares from Phoenix to San Antonio

$

Phoenix (PHX)to

San Antonio (SAT)
Depart: 10/10/2026

One-way

Basic

From
$124
Seen: 22 hrs ago

Phoenix (PHX)to

San Antonio (SAT)
Depart: 09/14/2026

One-way

Basic

From
$124
Seen: 16 hrs ago

Phoenix (PHX)to

San Antonio (SAT)
Depart: 10/22/2026

One-way

Basic

From
$124
Seen: 16 hrs ago

Phoenix (PHX)to

San Antonio (SAT)
Depart: 10/06/2026

One-way

Basic

From
$124
Seen: 21 hrs ago

Phoenix (PHX)to

San Antonio (SAT)
Depart: 09/30/2026

One-way

Basic

From
$124
Seen: 22 hrs ago

Phoenix (PHX)to

San Antonio (SAT)
Depart: 09/23/2026

One-way

Basic

From
$124
Seen: 19 hrs ago

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Explore flights from Phoenix to San Antonio

Aug 2026
From$140*
Seen: 7 hrs ago
One Way/Basic
Sep 2026
From$124*
Seen: 16 hrs ago
One Way/Basic
Oct 2026
From$124*
Seen: 19 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $140
cmp-daily-histogram-bars-legend-max-price-aria-label $278
Displaying fares for August-2026
  • PHX–SAT, 08/01/2026: From $278
    01

    Sat

    AUG

  • PHX–SAT, 08/02/2026: From $264
    02

    Sun

  • PHX–SAT, 08/03/2026: From $264
    03

    Mon

  • PHX–SAT, 08/04/2026: From $248
    04

    Tue

  • PHX–SAT: cmp-view-offers-disclaimer. Find Offers
    05

    Wed

  • PHX–SAT, 08/06/2026: From $264
    06

    Thu

  • PHX–SAT, 08/07/2026: From $264
    07

    Fri

  • PHX–SAT: cmp-view-offers-disclaimer. Find Offers
    08

    Sat

  • PHX–SAT, 08/09/2026: From $264
    09

    Sun

  • PHX–SAT, 08/10/2026: From $264
    10

    Mon

  • PHX–SAT, 08/11/2026: From $248
    11

    Tue

  • PHX–SAT: cmp-view-offers-disclaimer. Find Offers
    12

    Wed

  • PHX–SAT, 08/13/2026: From $264
    13

    Thu

  • PHX–SAT, 08/14/2026: From $264
    14

    Fri

  • PHX–SAT, 08/15/2026: From $248
    15

    Sat

  • PHX–SAT: cmp-view-offers-disclaimer. Find Offers
    16

    Sun

  • PHX–SAT, 08/17/2026: From $264
    17

    Mon

  • PHX–SAT: cmp-view-offers-disclaimer. Find Offers
    18

    Tue

  • PHX–SAT, 08/19/2026: From $248
    19

    Wed

  • PHX–SAT, 08/20/2026: From $264
    20

    Thu

  • PHX–SAT, 08/21/2026: From $182
    21

    Fri

  • PHX–SAT, 08/22/2026: From $140
    22

    Sat

  • PHX–SAT, 08/23/2026: From $247
    23

    Sun

  • PHX–SAT, 08/24/2026: From $140
    24

    Mon

  • PHX–SAT, 08/25/2026: From $140
    25

    Tue

  • PHX–SAT, 08/26/2026: From $140
    26

    Wed

  • PHX–SAT, 08/27/2026: From $140
    27

    Thu

  • PHX–SAT, 08/28/2026: From $182
    28

    Fri

  • PHX–SAT, 08/29/2026: From $140
    29

    Sat

  • PHX–SAT, 08/30/2026: From $199
    30

    Sun

  • PHX–SAT, 08/31/2026: From $140
    31

    Mon

    • Range$140-$278

    *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:
    San Antonio International Airport
    Average flight time:
    2 hours 7 minutes
    Distance:
    843 miles

    Route Information

    156† Weekly flights
    • 3‡ Nonstop flights per day Monday through Friday
    • 3‡ Nonstop flights on Saturday
    • 3‡ 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 San Antonio is 2 hours 7 minutes.
    There are 156 weekly flights from Phoenix to San Antonio on Southwest Airlines.
    Yes, Southwest flies nonstop from Phoenix to San Antonio 3 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Phoenix to San Antonio 3 times per day on Saturdays and Sundays.
    To find the lowest fares by day and time to fly Phoenix to San Antonio with Southwest, check out our Low Fare Calendar.
    You can rent a car at San Antonio International Airport book yours with your flight.
    Yes! Flights from Phoenix to San Antonio—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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