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Southwest® flights from Boston to Austin from $144

Promo Code

Low fares from Boston to Austin

$

Boston (BOS)to

Austin (AUS)
Depart: 07/03/2026

One-way

Basic

From
$144
Seen: 17 hrs ago

Boston (BOS)to

Austin (AUS)
Depart: 06/10/2026

One-way

Basic

From
$146
Seen: 15 hrs ago

Boston (BOS)to

Austin (AUS)
Depart: 08/16/2026

One-way

Basic

From
$146
Seen: 15 hrs ago

Boston (BOS)to

Austin (AUS)
Depart: 07/01/2026

One-way

Basic

From
$146
Seen: 15 hrs ago

Boston (BOS)to

Austin (AUS)
Depart: 06/11/2026

One-way

Basic

From
$146
Seen: 22 hrs ago

Boston (BOS)to

Austin (AUS)
Depart: 06/29/2026

One-way

Basic

From
$146
Seen: 21 hrs ago

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Explore flights from Boston to Austin

May 2026
From$146*
Seen: 6 hrs ago
One Way/Basic
Jun 2026
From$146*
Seen: 23 hrs ago
One Way/Basic
Jul 2026
From$144*
Seen: 17 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $146
cmp-daily-histogram-bars-legend-max-price-aria-label $379
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    • Range$146-$379

    *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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