Southwest® flights from San Francisco to Austin from $124

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Low fares from San Francisco to Austin

$

San Francisco (SFO)to

Austin (AUS)
Depart: 11/12/2026

One-way

Basic

From
$124
Seen: 12 hrs ago

San Francisco (SFO)to

Austin (AUS)
Depart: 10/29/2026

One-way

Basic

From
$124
Seen: 4 hrs ago

San Francisco (SFO)to

Austin (AUS)
Depart: 09/16/2026

One-way

Basic

From
$124
Seen: 8 hrs ago

San Francisco (SFO)to

Austin (AUS)
Depart: 09/23/2026

One-way

Basic

From
$124
Seen: 5 hrs ago

San Francisco (SFO)to

Austin (AUS)
Depart: 10/28/2026

One-way

Basic

From
$124
Seen: 3 hrs ago

San Francisco (SFO)to

Austin (AUS)
Depart: 09/15/2026

One-way

Basic

From
$124
Seen: 22 hrs ago

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Explore flights from San Francisco to Austin

Aug 2026
From$300*
Seen: 18 hrs ago
One Way/Basic
Sep 2026
From$124*
Seen: 22 hrs ago
One Way/Basic
Oct 2026
From$124*
Seen: 7 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $124
cmp-daily-histogram-bars-legend-max-price-aria-label $310
Displaying fares for August-2026
  • SFO–AUS: cmp-view-offers-disclaimer. Find Offers
    21

    Fri

    AUG

  • SFO–AUS, 08/22/2026: From $310
    22

    Sat

  • SFO–AUS, 08/23/2026: From $300
    23

    Sun

  • SFO–AUS, 08/24/2026: From $300
    24

    Mon

  • SFO–AUS, 08/25/2026: From $300
    25

    Tue

  • SFO–AUS, 08/26/2026: From $300
    26

    Wed

  • SFO–AUS, 08/27/2026: From $300
    27

    Thu

  • SFO–AUS, 08/28/2026: From $300
    28

    Fri

  • SFO–AUS, 08/29/2026: From $310
    29

    Sat

  • SFO–AUS, 08/30/2026: From $300
    30

    Sun

  • SFO–AUS, 08/31/2026: From $300
    31

    Mon

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

    Tue

    SEP

  • SFO–AUS, 09/02/2026: From $300
    02

    Wed

  • SFO–AUS, 09/03/2026: From $194
    03

    Thu

  • SFO–AUS, 09/04/2026: From $204
    04

    Fri

  • SFO–AUS, 09/05/2026: From $204
    05

    Sat

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

    Sun

  • SFO–AUS: cmp-view-offers-disclaimer. Find Offers
    07

    Mon

  • SFO–AUS, 09/08/2026: From $204
    08

    Tue

  • SFO–AUS, 09/09/2026: From $194
    09

    Wed

  • SFO–AUS, 09/10/2026: From $134
    10

    Thu

  • SFO–AUS, 09/11/2026: From $135
    11

    Fri

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

    Sat

  • SFO–AUS, 09/13/2026: From $184
    13

    Sun

  • SFO–AUS, 09/14/2026: From $134
    14

    Mon

  • SFO–AUS, 09/15/2026: From $124
    15

    Tue

  • SFO–AUS, 09/16/2026: From $124
    16

    Wed

  • SFO–AUS, 09/17/2026: From $134
    17

    Thu

  • SFO–AUS, 09/18/2026: From $169
    18

    Fri

  • SFO–AUS, 09/19/2026: From $134
    19

    Sat

  • SFO–AUS, 09/20/2026: From $169
    20

    Sun

    • Range$124-$310

    *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:
    Austin-Bergstrom International Airport
    Average flight time:
    3 hours 26 minutes
    Distance:
    1504 miles

    Route Information

    152† Weekly flights
    • 1‡ Nonstop flight per day Monday through Friday
    • 1‡ Nonstop flight on Saturday
    • 1‡ Nonstop flight 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 San Francisco to Austin is 3 hours 26 minutes.
    There are 152 weekly flights from San Francisco to Austin on Southwest Airlines.
    Yes, Southwest flies nonstop from San Francisco to Austin once per day from Monday through Friday.
    Yes, Southwest flies nonstop from San Francisco to Austin once per day on Saturdays and Sundays.
    To find the lowest fares by day and time to fly San Francisco to Austin with Southwest, check out our Low Fare Calendar.
    You can rent a car at Austin-Bergstrom International Airport book yours with your flight.
    Yes! Flights from San Francisco to Austin—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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