Southwest® flights from San Francisco to San Antonio from $170

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Low fares from San Francisco to San Antonio

$

San Francisco (SFO)to

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

One-way

Basic

From
$170
Seen: 4 hrs ago

San Francisco (SFO)to

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

One-way

Basic

From
$170
Seen: 11 hrs ago

San Francisco (SFO)to

San Antonio (SAT)
Depart: 11/01/2026

One-way

Basic

From
$170
Seen: 11 hrs ago

San Francisco (SFO)to

San Antonio (SAT)
Depart: 11/02/2026

One-way

Basic

From
$170
Seen: 20 hrs ago

San Francisco (SFO)to

San Antonio (SAT)
Depart: 09/24/2026

One-way

Basic

From
$170
Seen: 3 hrs ago

San Francisco (SFO)to

San Antonio (SAT)
Depart: 09/10/2026

One-way

Basic

From
$170
Seen: 12 minutes ago

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Explore flights from San Francisco to San Antonio

Aug 2026
From$170*
Seen: 23 hrs ago
One Way/Basic
Sep 2026
From$170*
Seen: 3 hrs ago
One Way/Basic
Oct 2026
From$170*
Seen: 16 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $170
cmp-daily-histogram-bars-legend-max-price-aria-label $315
Displaying fares for August-2026
  • SFO–SAT, 08/02/2026: From $315
    02

    Sun

    AUG

  • SFO–SAT, 08/03/2026: From $315
    03

    Mon

  • SFO–SAT, 08/04/2026: From $315
    04

    Tue

  • SFO–SAT, 08/05/2026: From $315
    05

    Wed

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

    Thu

  • SFO–SAT, 08/07/2026: From $315
    07

    Fri

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

    Sat

  • SFO–SAT: cmp-view-offers-disclaimer. Find Offers
    09

    Sun

  • SFO–SAT, 08/10/2026: From $255
    10

    Mon

  • SFO–SAT, 08/11/2026: From $255
    11

    Tue

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

    Wed

  • SFO–SAT, 08/13/2026: From $255
    13

    Thu

  • SFO–SAT, 08/14/2026: From $255
    14

    Fri

  • SFO–SAT: cmp-view-offers-disclaimer. Find Offers
    15

    Sat

  • SFO–SAT, 08/16/2026: From $200
    16

    Sun

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

    Mon

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

    Tue

  • SFO–SAT, 08/19/2026: From $200
    19

    Wed

  • SFO–SAT, 08/20/2026: From $200
    20

    Thu

  • SFO–SAT, 08/21/2026: From $200
    21

    Fri

  • SFO–SAT, 08/22/2026: From $170
    22

    Sat

  • SFO–SAT: cmp-view-offers-disclaimer. Find Offers
    23

    Sun

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

    Mon

  • SFO–SAT: cmp-view-offers-disclaimer. Find Offers
    25

    Tue

  • SFO–SAT, 08/26/2026: From $170
    26

    Wed

  • SFO–SAT, 08/27/2026: From $170
    27

    Thu

  • SFO–SAT: cmp-view-offers-disclaimer. Find Offers
    28

    Fri

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

    Sat

  • SFO–SAT: cmp-view-offers-disclaimer. Find Offers
    30

    Sun

  • SFO–SAT: cmp-view-offers-disclaimer. Find Offers
    31

    Mon

  • SFO–SAT: cmp-view-offers-disclaimer. Find Offers
    01

    Tue

    SEP

    • Range$170-$315

    *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:
    San Francisco International Airport
    Arriving at:
    San Antonio International Airport
    Distance:
    1482 miles

    Route Information

    134† 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 134 weekly flights from San Francisco to San Antonio on Southwest Airlines.
    To find the lowest fares by day and time to fly San Francisco 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 San Francisco 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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