Southwest® flights from Buffalo/Niagara Falls to Austin from $178

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Low fares from Buffalo/Niagara Falls to Austin

$

Buffalo/Niagara Falls (BUF)to

Austin (AUS)
Depart: 01/06/2027

One-way

Basic

From
$178
Seen: 4 hrs ago

Buffalo/Niagara Falls (BUF)to

Austin (AUS)
Depart: 11/03/2026

One-way

Basic

From
$178
Seen: 11 hrs ago

Buffalo/Niagara Falls (BUF)to

Austin (AUS)
Depart: 11/04/2026

One-way

Basic

From
$178
Seen: 2 hrs ago

Buffalo/Niagara Falls (BUF)to

Austin (AUS)
Depart: 11/02/2026

One-way

Basic

From
$178
Seen: 10 hrs ago

Buffalo/Niagara Falls (BUF)to

Austin (AUS)
Depart: 10/26/2026

One-way

Basic

From
$178
Seen: 13 hrs ago

Buffalo/Niagara Falls (BUF)to

Austin (AUS)
Depart: 10/20/2026

One-way

Basic

From
$178
Seen: 16 hrs ago

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Explore flights from Buffalo/Niagara Falls to Austin

Try alternate month or interact with individual days below in order to find offers.
Sep 2026
No result for this month.
Oct 2026
From$178*
Seen: 13 hrs ago
One Way/Basic
Nov 2026
From$178*
Seen: 11 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $178
cmp-daily-histogram-bars-legend-max-price-aria-label $559
Displaying fares for September-2026
  • BUF–AUS: cmp-view-offers-disclaimer. Find Offers
    30

    Wed

    SEP

  • BUF–AUS, 10/01/2026: From $559
    01

    Thu

  • BUF–AUS, 10/02/2026: From $559
    02

    Fri

  • BUF–AUS, 10/03/2026: From $559
    03

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    04

    Sun

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    05

    Mon

  • BUF–AUS, 10/06/2026: From $474
    06

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    07

    Wed

  • BUF–AUS, 10/08/2026: From $474
    08

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    09

    Fri

  • BUF–AUS, 10/10/2026: From $474
    10

    Sat

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    11

    Sun

  • BUF–AUS, 10/12/2026: From $474
    12

    Mon

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    13

    Tue

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    14

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    15

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    16

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    17

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    18

    Sun

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    19

    Mon

  • BUF–AUS, 10/20/2026: From $178
    20

    Tue

  • BUF–AUS: cmp-view-offers-disclaimer. Find Offers
    21

    Wed

  • BUF–AUS, 10/22/2026: From $315
    22

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    23

    Fri

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    24

    Sat

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    25

    Sun

  • BUF–AUS, 10/26/2026: From $178
    26

    Mon

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    27

    Tue

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    28

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    29

    Thu

    • Range$178-$559

    *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:
    Buffalo Niagara International Airport
    Arriving at:
    Austin-Bergstrom International Airport
    Distance:
    1366 miles

    Route Information

    153† 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 153 weekly flights from Buffalo/Niagara Falls to Austin on Southwest Airlines.
    To find the lowest fares by day and time to fly Buffalo/Niagara Falls 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 Buffalo/Niagara Falls 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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