Southwest® flights from San Francisco to Austin from $129

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Low fares from San Francisco to Austin

$

San Francisco (SFO)to

Austin (AUS)
Depart: 10/29/2026

One-way

Basic

From
$129
Seen: 16 hrs ago

San Francisco (SFO)to

Austin (AUS)
Depart: 12/15/2026

One-way

Basic

From
$129
Seen: 16 hrs ago

San Francisco (SFO)to

Austin (AUS)
Depart: 10/10/2026

One-way

Basic

From
$129
Seen: 11 hrs ago

San Francisco (SFO)to

Austin (AUS)
Depart: 12/14/2026

One-way

Basic

From
$129
Seen: 9 hrs ago

San Francisco (SFO)to

Austin (AUS)
Depart: 10/24/2026

One-way

Basic

From
$129
Seen: 3 hrs ago

San Francisco (SFO)to

Austin (AUS)
Depart: 09/30/2026

One-way

Basic

From
$129
Seen: 18 hrs ago

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Explore flights from San Francisco to Austin

Sep 2026
From$129*
Seen: 18 hrs ago
One Way/Basic
Oct 2026
From$129*
Seen: 22 hrs ago
One Way/Basic
Nov 2026
From$129*
Seen: 7 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $129
cmp-daily-histogram-bars-legend-max-price-aria-label $263
Displaying fares for September-2026
  • SFO–AUS, 09/10/2026: From $253
    10

    Thu

    SEP

  • SFO–AUS, 09/11/2026: From $263
    11

    Fri

  • SFO–AUS, 09/12/2026: From $263
    12

    Sat

  • SFO–AUS, 09/13/2026: From $253
    13

    Sun

  • SFO–AUS, 09/14/2026: From $253
    14

    Mon

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

    Tue

  • SFO–AUS, 09/16/2026: From $253
    16

    Wed

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

    Thu

  • SFO–AUS, 09/18/2026: From $263
    18

    Fri

  • SFO–AUS, 09/19/2026: From $263
    19

    Sat

  • SFO–AUS, 09/20/2026: From $253
    20

    Sun

  • SFO–AUS, 09/21/2026: From $263
    21

    Mon

  • SFO–AUS, 09/22/2026: From $253
    22

    Tue

  • SFO–AUS, 09/23/2026: From $204
    23

    Wed

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

    Thu

  • SFO–AUS, 09/25/2026: From $214
    25

    Fri

  • SFO–AUS: cmp-view-offers-disclaimer. Find Offers
    26

    Sat

  • SFO–AUS, 09/27/2026: From $244
    27

    Sun

  • SFO–AUS, 09/28/2026: From $214
    28

    Mon

  • SFO–AUS, 09/29/2026: From $204
    29

    Tue

  • SFO–AUS, 09/30/2026: From $129
    30

    Wed

  • SFO–AUS, 10/01/2026: From $149
    01

    Thu

    OCT

  • SFO–AUS: cmp-view-offers-disclaimer. Find Offers
    02

    Fri

  • SFO–AUS, 10/03/2026: From $129
    03

    Sat

  • SFO–AUS, 10/04/2026: From $214
    04

    Sun

  • SFO–AUS, 10/05/2026: From $139
    05

    Mon

  • SFO–AUS, 10/06/2026: From $129
    06

    Tue

  • SFO–AUS, 10/07/2026: From $129
    07

    Wed

  • SFO–AUS, 10/08/2026: From $168
    08

    Thu

  • SFO–AUS, 10/09/2026: From $214
    09

    Fri

    • Range$129-$263

    *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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