Southwest® flights from Baltimore/Washington to Austin from $159

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Low fares from Baltimore/Washington to Austin

$

Baltimore/Washington (BWI)to

Austin (AUS)
Depart: 10/21/2026

One-way

Basic

From
$159
Seen: 14 hrs ago

Baltimore/Washington (BWI)to

Austin (AUS)
Depart: 09/30/2026

One-way

Basic

From
$159
Seen: 8 hrs ago

Baltimore/Washington (BWI)to

Austin (AUS)
Depart: 11/17/2026

One-way

Basic

From
$159
Seen: 7 hrs ago

Baltimore/Washington (BWI)to

Austin (AUS)
Depart: 11/05/2026

One-way

Basic

From
$159
Seen: 7 hrs ago

Baltimore/Washington (BWI)to

Austin (AUS)
Depart: 10/31/2026

One-way

Basic

From
$159
Seen: 23 hrs ago

Baltimore/Washington (BWI)to

Austin (AUS)
Depart: 11/26/2026

One-way

Basic

From
$159
Seen: 2 hrs ago

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Explore flights from Baltimore/Washington to Austin

Aug 2026
From$469*
Seen: 21 hrs ago
One Way/Basic
Sep 2026
From$159*
Seen: 1 hour ago
One Way/Basic
Oct 2026
From$159*
Seen: 23 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $159
cmp-daily-histogram-bars-legend-max-price-aria-label $564
Displaying fares for August-2026
  • BWI–AUS: cmp-view-offers-disclaimer. Find Offers
    22

    Sat

    AUG

  • BWI–AUS, 08/23/2026: From $564
    23

    Sun

  • BWI–AUS, 08/24/2026: From $559
    24

    Mon

  • BWI–AUS, 08/25/2026: From $559
    25

    Tue

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

    Wed

  • BWI–AUS, 08/27/2026: From $559
    27

    Thu

  • BWI–AUS, 08/28/2026: From $469
    28

    Fri

  • BWI–AUS, 08/29/2026: From $469
    29

    Sat

  • BWI–AUS, 08/30/2026: From $474
    30

    Sun

  • BWI–AUS, 08/31/2026: From $469
    31

    Mon

  • BWI–AUS: cmp-view-offers-disclaimer. Find Offers
    01

    Tue

    SEP

  • BWI–AUS, 09/02/2026: From $469
    02

    Wed

  • BWI–AUS, 09/03/2026: From $469
    03

    Thu

  • BWI–AUS, 09/04/2026: From $301
    04

    Fri

  • BWI–AUS, 09/05/2026: From $301
    05

    Sat

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

    Sun

  • BWI–AUS, 09/07/2026: From $324
    07

    Mon

  • BWI–AUS: cmp-view-offers-disclaimer. Find Offers
    08

    Tue

  • BWI–AUS, 09/09/2026: From $301
    09

    Wed

  • BWI–AUS, 09/10/2026: From $301
    10

    Thu

  • BWI–AUS, 09/11/2026: From $169
    11

    Fri

  • BWI–AUS, 09/12/2026: From $159
    12

    Sat

  • BWI–AUS, 09/13/2026: From $255
    13

    Sun

  • BWI–AUS, 09/14/2026: From $164
    14

    Mon

  • BWI–AUS, 09/15/2026: From $159
    15

    Tue

  • BWI–AUS, 09/16/2026: From $159
    16

    Wed

  • BWI–AUS, 09/17/2026: From $169
    17

    Thu

  • BWI–AUS, 09/18/2026: From $169
    18

    Fri

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

    Sat

  • BWI–AUS, 09/20/2026: From $204
    20

    Sun

  • BWI–AUS, 09/21/2026: From $199
    21

    Mon

    • Range$159-$564

    *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:
    Balt./Wash. International Airport
    Arriving at:
    Austin-Bergstrom International Airport
    Average flight time:
    3 hours 37 minutes
    Distance:
    1342 miles

    Route Information

    156† Weekly flights
    • 4‡ Nonstop flights per day Monday through Friday
    • 3‡ Nonstop flights on Saturday
    • 4‡ Nonstop flights 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 Baltimore/Washington to Austin is 3 hours 37 minutes.
    There are 156 weekly flights from Baltimore/Washington to Austin on Southwest Airlines.
    Yes, Southwest flies nonstop from Baltimore/Washington to Austin 4 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Baltimore/Washington to Austin 3 times per day on Saturdays and 4 times per day on Sundays.
    To find the lowest fares by day and time to fly Baltimore/Washington 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 Baltimore/Washington 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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