Southwest® flights from Boston to Austin from $149

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Low fares from Boston to Austin

$

Boston (BOS)to

Austin (AUS)
Depart: 09/03/2026

One-way

Basic

From
$149
Seen: 5 hrs ago

Boston (BOS)to

Austin (AUS)
Depart: 11/10/2026

One-way

Basic

From
$149
Seen: 11 hrs ago

Boston (BOS)to

Austin (AUS)
Depart: 09/15/2026

One-way

Basic

From
$149
Seen: 1 hour ago

Boston (BOS)to

Austin (AUS)
Depart: 10/03/2026

One-way

Basic

From
$149
Seen: 17 hrs ago

Boston (BOS)to

Austin (AUS)
Depart: 09/16/2026

One-way

Basic

From
$149
Seen: 20 hrs ago

Boston (BOS)to

Austin (AUS)
Depart: 09/12/2026

One-way

Basic

From
$149
Seen: 3 hrs ago

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Explore flights from Boston to Austin

Aug 2026
From$249*
Seen: 6 hrs ago
One Way/Basic
Sep 2026
From$149*
Seen: 5 hrs ago
One Way/Basic
Oct 2026
From$149*
Seen: 17 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $149
cmp-daily-histogram-bars-legend-max-price-aria-label $424
Displaying fares for August-2026
  • BOS–AUS, 08/21/2026: From $424
    21

    Fri

    AUG

  • BOS–AUS, 08/22/2026: From $424
    22

    Sat

  • BOS–AUS: cmp-view-offers-disclaimer. Find Offers
    23

    Sun

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

    Mon

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    25

    Tue

  • BOS–AUS, 08/26/2026: From $364
    26

    Wed

  • BOS–AUS, 08/27/2026: From $249
    27

    Thu

  • BOS–AUS: cmp-view-offers-disclaimer. Find Offers
    28

    Fri

  • BOS–AUS, 08/29/2026: From $249
    29

    Sat

  • BOS–AUS, 08/30/2026: From $249
    30

    Sun

  • BOS–AUS, 08/31/2026: From $249
    31

    Mon

  • BOS–AUS, 09/01/2026: From $249
    01

    Tue

    SEP

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

    Wed

  • BOS–AUS, 09/03/2026: From $149
    03

    Thu

  • BOS–AUS: cmp-view-offers-disclaimer. Find Offers
    04

    Fri

  • BOS–AUS: cmp-view-offers-disclaimer. Find Offers
    05

    Sat

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

    Sun

  • BOS–AUS, 09/07/2026: From $286
    07

    Mon

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

    Tue

  • BOS–AUS, 09/09/2026: From $161
    09

    Wed

  • BOS–AUS, 09/10/2026: From $161
    10

    Thu

  • BOS–AUS, 09/11/2026: From $161
    11

    Fri

  • BOS–AUS, 09/12/2026: From $149
    12

    Sat

  • BOS–AUS, 09/13/2026: From $200
    13

    Sun

  • BOS–AUS, 09/14/2026: From $214
    14

    Mon

  • BOS–AUS, 09/15/2026: From $149
    15

    Tue

  • BOS–AUS, 09/16/2026: From $149
    16

    Wed

  • BOS–AUS, 09/17/2026: From $161
    17

    Thu

  • BOS–AUS, 09/18/2026: From $200
    18

    Fri

  • BOS–AUS, 09/19/2026: From $159
    19

    Sat

  • BOS–AUS, 09/20/2026: From $200
    20

    Sun

    • Range$149-$424

    *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:
    Logan International Airport
    Arriving at:
    Austin-Bergstrom International Airport
    Average flight time:
    4 hours 28 minutes
    Distance:
    1698 miles

    Route Information

    151† 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 Boston to Austin is 4 hours 28 minutes.
    There are 151 weekly flights from Boston to Austin on Southwest Airlines.
    Yes, Southwest flies nonstop from Boston to Austin once per day from Monday through Friday.
    Yes, Southwest flies nonstop from Boston to Austin once per day on Saturdays and Sundays.
    To find the lowest fares by day and time to fly Boston 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 Boston 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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