Southwest® flights from San Francisco to Austin from $110

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Low fares from San Francisco to Austin

$

San Francisco (SFO)to

Austin (AUS)
Depart: 09/16/2026

One-way

Basic

From
$110
Seen: 5 hrs ago

San Francisco (SFO)to

Austin (AUS)
Depart: 08/26/2026

One-way

Basic

From
$110
Seen: 20 hrs ago

San Francisco (SFO)to

Austin (AUS)
Depart: 10/07/2026

One-way

Basic

From
$110
Seen: 11 hrs ago

San Francisco (SFO)to

Austin (AUS)
Depart: 09/01/2026

One-way

Basic

From
$110
Seen: 12 hrs ago

San Francisco (SFO)to

Austin (AUS)
Depart: 10/10/2026

One-way

Basic

From
$114
Seen: 21 hrs ago

San Francisco (SFO)to

Austin (AUS)
Depart: 09/10/2026

One-way

Basic

From
$114
Seen: 17 hrs ago

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Explore flights from San Francisco to Austin

Jul 2026
From$280*
Seen: 6 hrs ago
One Way/Basic
Aug 2026
From$110*
Seen: 20 hrs ago
One Way/Basic
Sep 2026
From$110*
Seen: 12 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $110
cmp-daily-histogram-bars-legend-max-price-aria-label $290
Displaying fares for July-2026
  • SFO–AUS, 07/31/2026: From $280
    31

    Fri

    JUL

  • SFO–AUS, 08/01/2026: From $280
    01

    Sat

  • SFO–AUS, 08/02/2026: From $290
    02

    Sun

  • SFO–AUS, 08/03/2026: From $280
    03

    Mon

  • SFO–AUS, 08/04/2026: From $261
    04

    Tue

  • SFO–AUS, 08/05/2026: From $280
    05

    Wed

  • SFO–AUS, 08/06/2026: From $280
    06

    Thu

  • SFO–AUS, 08/07/2026: From $280
    07

    Fri

  • SFO–AUS, 08/08/2026: From $290
    08

    Sat

  • SFO–AUS, 08/09/2026: From $290
    09

    Sun

  • SFO–AUS, 08/10/2026: From $290
    10

    Mon

  • SFO–AUS, 08/11/2026: From $280
    11

    Tue

  • SFO–AUS, 08/12/2026: From $280
    12

    Wed

  • SFO–AUS, 08/13/2026: From $280
    13

    Thu

  • SFO–AUS, 08/14/2026: From $224
    14

    Fri

  • SFO–AUS, 08/15/2026: From $234
    15

    Sat

  • SFO–AUS, 08/16/2026: From $284
    16

    Sun

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

    Mon

  • SFO–AUS, 08/18/2026: From $224
    18

    Tue

  • SFO–AUS, 08/19/2026: From $224
    19

    Wed

  • SFO–AUS, 08/20/2026: From $224
    20

    Thu

  • SFO–AUS, 08/21/2026: From $139
    21

    Fri

  • SFO–AUS, 08/22/2026: From $124
    22

    Sat

  • SFO–AUS, 08/23/2026: From $204
    23

    Sun

  • SFO–AUS, 08/24/2026: From $124
    24

    Mon

  • SFO–AUS, 08/25/2026: From $119
    25

    Tue

  • SFO–AUS, 08/26/2026: From $110
    26

    Wed

  • SFO–AUS, 08/27/2026: From $139
    27

    Thu

  • SFO–AUS, 08/28/2026: From $139
    28

    Fri

  • SFO–AUS, 08/29/2026: From $124
    29

    Sat

  • SFO–AUS, 08/30/2026: From $184
    30

    Sun

    • Range$110-$290

    *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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