Southwest® flights from Boston to Austin from $156

Promo Code

Low fares from Boston to Austin

$

Boston (BOS)to

Austin (AUS)
Depart: 08/28/2026

One-way

Basic

From
$156
Seen: 16 hrs ago

Boston (BOS)to

Austin (AUS)
Depart: 08/20/2026

One-way

Basic

From
$156
Seen: 18 hrs ago

Boston (BOS)to

Austin (AUS)
Depart: 08/22/2026

One-way

Basic

From
$156
Seen: 15 hrs ago

Boston (BOS)to

Austin (AUS)
Depart: 08/21/2026

One-way

Basic

From
$156
Seen: 13 hrs ago

Boston (BOS)to

Austin (AUS)
Depart: 10/27/2026

One-way

Basic

From
$156
Seen: 8 hrs ago

Boston (BOS)to

Austin (AUS)
Depart: 09/01/2026

One-way

Basic

From
$156
Seen: 7 hrs ago

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Explore flights from Boston to Austin

Try alternate month or interact with individual days below in order to find offers.
Jul 2026
No result for this month.
Aug 2026
From$156*
Seen: 13 hrs ago
One Way/Basic
Sep 2026
From$156*
Seen: 14 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $156
cmp-daily-histogram-bars-legend-max-price-aria-label $419
Displaying fares for July-2026
  • BOS–AUS: cmp-view-offers-disclaimer. Find Offers
    31

    Fri

    JUL

  • BOS–AUS, 08/01/2026: From $419
    01

    Sat

  • BOS–AUS, 08/02/2026: From $409
    02

    Sun

  • BOS–AUS, 08/03/2026: From $359
    03

    Mon

  • BOS–AUS, 08/04/2026: From $359
    04

    Tue

  • BOS–AUS, 08/05/2026: From $359
    05

    Wed

  • BOS–AUS, 08/06/2026: From $354
    06

    Thu

  • BOS–AUS, 08/07/2026: From $334
    07

    Fri

  • BOS–AUS, 08/08/2026: From $305
    08

    Sat

  • BOS–AUS, 08/09/2026: From $419
    09

    Sun

  • BOS–AUS, 08/10/2026: From $294
    10

    Mon

  • BOS–AUS, 08/11/2026: From $259
    11

    Tue

  • BOS–AUS, 08/12/2026: From $249
    12

    Wed

  • BOS–AUS, 08/13/2026: From $249
    13

    Thu

  • BOS–AUS, 08/14/2026: From $166
    14

    Fri

  • BOS–AUS, 08/15/2026: From $216
    15

    Sat

  • BOS–AUS: cmp-view-offers-disclaimer. Find Offers
    16

    Sun

  • BOS–AUS, 08/17/2026: From $166
    17

    Mon

  • BOS–AUS, 08/18/2026: From $176
    18

    Tue

  • BOS–AUS, 08/19/2026: From $156
    19

    Wed

  • BOS–AUS, 08/20/2026: From $156
    20

    Thu

  • BOS–AUS, 08/21/2026: From $156
    21

    Fri

  • BOS–AUS, 08/22/2026: From $156
    22

    Sat

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

    Sun

  • BOS–AUS, 08/24/2026: From $166
    24

    Mon

  • BOS–AUS, 08/25/2026: From $156
    25

    Tue

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

    Wed

  • BOS–AUS: cmp-view-offers-disclaimer. Find Offers
    27

    Thu

  • BOS–AUS, 08/28/2026: From $156
    28

    Fri

  • BOS–AUS: cmp-view-offers-disclaimer. Find Offers
    29

    Sat

  • BOS–AUS: cmp-view-offers-disclaimer. Find Offers
    30

    Sun

    • Range$156-$419

    *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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