Southwest® flights from Boston to Austin from $127

Promo Code

Low fares from Boston to Austin

$

Boston (BOS)to

Austin (AUS)
Depart: 12/09/2026

One-way

Basic

From
$127
Seen: 13 hrs ago

Boston (BOS)to

Austin (AUS)
Depart: 12/02/2026

One-way

Basic

From
$127
Seen: 8 hrs ago

Boston (BOS)to

Austin (AUS)
Depart: 01/09/2027

One-way

Basic

From
$127
Seen: 11 hrs ago

Boston (BOS)to

Austin (AUS)
Depart: 12/07/2026

One-way

Basic

From
$127
Seen: 5 hrs ago

Boston (BOS)to

Austin (AUS)
Depart: 01/23/2027

One-way

Basic

From
$127
Seen: 1 hour ago

Boston (BOS)to

Austin (AUS)
Depart: 01/16/2027

One-way

Basic

From
$127
Seen: 16 hrs ago

Looking for more low-fare flights?

Check out the Low Fare Calendar to find a fare that works for you. Just choose the month you want to depart and return, and we’ll show you the best fares available.

Find low fares

Explore flights from Boston to Austin

Oct 2026
From$304*
Seen: 13 hrs ago
One Way/Basic
Nov 2026
From$127*
Seen: 5 hrs ago
One Way/Basic
Dec 2026
From$127*
Seen: 8 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $127
cmp-daily-histogram-bars-legend-max-price-aria-label $464
Displaying fares for October-2026
  • BOS–AUS, 10/21/2026: From $374
    21

    Wed

    OCT

  • BOS–AUS, 10/22/2026: From $464
    22

    Thu

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

    Fri

  • BOS–AUS, 10/24/2026: From $404
    24

    Sat

  • BOS–AUS, 10/25/2026: From $414
    25

    Sun

  • BOS–AUS, 10/26/2026: From $404
    26

    Mon

  • BOS–AUS, 10/27/2026: From $304
    27

    Tue

  • BOS–AUS, 10/28/2026: From $304
    28

    Wed

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

    Thu

  • BOS–AUS, 10/30/2026: From $304
    30

    Fri

  • BOS–AUS, 10/31/2026: From $304
    31

    Sat

  • BOS–AUS, 11/01/2026: From $314
    01

    Sun

    NOV

  • BOS–AUS, 11/02/2026: From $309
    02

    Mon

  • BOS–AUS, 11/03/2026: From $179
    03

    Tue

  • BOS–AUS, 11/04/2026: From $179
    04

    Wed

  • BOS–AUS, 11/05/2026: From $209
    05

    Thu

  • BOS–AUS, 11/06/2026: From $259
    06

    Fri

  • BOS–AUS: cmp-view-offers-disclaimer. Find Offers
    07

    Sat

  • BOS–AUS, 11/08/2026: From $231
    08

    Sun

  • BOS–AUS, 11/09/2026: From $137
    09

    Mon

  • BOS–AUS, 11/10/2026: From $137
    10

    Tue

  • BOS–AUS, 11/11/2026: From $137
    11

    Wed

  • BOS–AUS, 11/12/2026: From $137
    12

    Thu

  • BOS–AUS, 11/13/2026: From $164
    13

    Fri

  • BOS–AUS: cmp-view-offers-disclaimer. Find Offers
    14

    Sat

  • BOS–AUS, 11/15/2026: From $176
    15

    Sun

  • BOS–AUS, 11/16/2026: From $142
    16

    Mon

  • BOS–AUS, 11/17/2026: From $127
    17

    Tue

  • BOS–AUS: cmp-view-offers-disclaimer. Find Offers
    18

    Wed

  • BOS–AUS, 11/19/2026: From $137
    19

    Thu

  • BOS–AUS: cmp-view-offers-disclaimer. Find Offers
    20

    Fri

    • Range$127-$464

    *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

    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.

    Explore Flights from Other Popular Origins

    Popular Flights from Boston