Southwest® flights from Phoenix to San Antonio from $124

Promo Code

Low fares from Phoenix to San Antonio

$

Phoenix (PHX)to

San Antonio (SAT)
Depart: 10/27/2026

One-way

Basic

From
$124
Seen: 18 hrs ago

Phoenix (PHX)to

San Antonio (SAT)
Depart: 12/07/2026

One-way

Basic

From
$124
Seen: 16 hrs ago

Phoenix (PHX)to

San Antonio (SAT)
Depart: 11/19/2026

One-way

Basic

From
$124
Seen: 7 hrs ago

Phoenix (PHX)to

San Antonio (SAT)
Depart: 11/04/2026

One-way

Basic

From
$124
Seen: 10 hrs ago

Phoenix (PHX)to

San Antonio (SAT)
Depart: 11/16/2026

One-way

Basic

From
$124
Seen: 2 hrs ago

Phoenix (PHX)to

San Antonio (SAT)
Depart: 11/05/2026

One-way

Basic

From
$124
Seen: 2 hrs ago

Looking for more low-fare flights?

Check out the Low Fare Calendar to find a fare that works for you. Just choose the month you want to depart and return, and we’ll show you the best fares available.

Find low fares

Explore flights from Phoenix to San Antonio

Sep 2026
From$268*
Seen: 3 hrs ago
One Way/Basic
Oct 2026
From$124*
Seen: 12 hrs ago
One Way/Basic
Nov 2026
From$124*
Seen: 20 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $124
cmp-daily-histogram-bars-legend-max-price-aria-label $284
Displaying fares for September-2026
  • PHX–SAT, 09/30/2026: From $268
    30

    Wed

    SEP

  • PHX–SAT, 10/01/2026: From $284
    01

    Thu

  • PHX–SAT, 10/02/2026: From $284
    02

    Fri

  • PHX–SAT, 10/03/2026: From $268
    03

    Sat

  • PHX–SAT, 10/04/2026: From $284
    04

    Sun

  • PHX–SAT, 10/05/2026: From $284
    05

    Mon

  • PHX–SAT: cmp-view-offers-disclaimer. Find Offers
    06

    Tue

  • PHX–SAT, 10/07/2026: From $268
    07

    Wed

  • PHX–SAT, 10/08/2026: From $284
    08

    Thu

  • PHX–SAT, 10/09/2026: From $284
    09

    Fri

  • PHX–SAT: cmp-view-offers-disclaimer. Find Offers
    10

    Sat

  • PHX–SAT, 10/11/2026: From $284
    11

    Sun

  • PHX–SAT, 10/12/2026: From $284
    12

    Mon

  • PHX–SAT, 10/13/2026: From $268
    13

    Tue

  • PHX–SAT: cmp-view-offers-disclaimer. Find Offers
    14

    Wed

  • PHX–SAT, 10/15/2026: From $284
    15

    Thu

  • PHX–SAT, 10/16/2026: From $284
    16

    Fri

  • PHX–SAT: cmp-view-offers-disclaimer. Find Offers
    17

    Sat

  • PHX–SAT, 10/18/2026: From $284
    18

    Sun

  • PHX–SAT, 10/19/2026: From $284
    19

    Mon

  • PHX–SAT: cmp-view-offers-disclaimer. Find Offers
    20

    Tue

  • PHX–SAT, 10/21/2026: From $124
    21

    Wed

  • PHX–SAT, 10/22/2026: From $124
    22

    Thu

  • PHX–SAT, 10/23/2026: From $138
    23

    Fri

  • PHX–SAT: cmp-view-offers-disclaimer. Find Offers
    24

    Sat

  • PHX–SAT, 10/25/2026: From $267
    25

    Sun

  • PHX–SAT, 10/26/2026: From $124
    26

    Mon

  • PHX–SAT, 10/27/2026: From $124
    27

    Tue

  • PHX–SAT, 10/28/2026: From $124
    28

    Wed

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

    Thu

    • Range$124-$284

    *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.

    Explore Flights from Other Popular Origins

    Popular Flights from Phoenix