Southwest® flights from Baltimore/Washington to San Antonio from $153

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Low fares from Baltimore/Washington to San Antonio

$

Baltimore/Washington (BWI)to

San Antonio (SAT)
Depart: 12/05/2026

One-way

Basic

From
$153
Seen: 6 hrs ago

Baltimore/Washington (BWI)to

San Antonio (SAT)
Depart: 12/02/2026

One-way

Basic

From
$153
Seen: 3 hrs ago

Baltimore/Washington (BWI)to

San Antonio (SAT)
Depart: 01/06/2027

One-way

Basic

From
$153
Seen: 10 hrs ago

Baltimore/Washington (BWI)to

San Antonio (SAT)
Depart: 12/08/2026

One-way

Basic

From
$153
Seen: 4 hrs ago

Baltimore/Washington (BWI)to

San Antonio (SAT)
Depart: 12/12/2026

One-way

Basic

From
$153
Seen: 1 hour ago

Baltimore/Washington (BWI)to

San Antonio (SAT)
Depart: 01/05/2027

One-way

Basic

From
$153
Seen: 12 hrs ago

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Explore flights from Baltimore/Washington to San Antonio

Oct 2026
From$536*
Seen: 21 hrs ago
One Way/Basic
Nov 2026
From$154*
Seen: 15 hrs ago
One Way/Basic
Dec 2026
From$153*
Seen: 4 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $154
cmp-daily-histogram-bars-legend-max-price-aria-label $591
Displaying fares for October-2026
  • BWI–SAT: cmp-view-offers-disclaimer. Find Offers
    23

    Fri

    OCT

  • BWI–SAT, 10/24/2026: From $591
    24

    Sat

  • BWI–SAT, 10/25/2026: From $591
    25

    Sun

  • BWI–SAT, 10/26/2026: From $591
    26

    Mon

  • BWI–SAT: cmp-view-offers-disclaimer. Find Offers
    27

    Tue

  • BWI–SAT, 10/28/2026: From $591
    28

    Wed

  • BWI–SAT, 10/29/2026: From $536
    29

    Thu

  • BWI–SAT, 10/30/2026: From $536
    30

    Fri

  • BWI–SAT: cmp-view-offers-disclaimer. Find Offers
    31

    Sat

  • BWI–SAT, 11/01/2026: From $531
    01

    Sun

    NOV

  • BWI–SAT, 11/02/2026: From $531
    02

    Mon

  • BWI–SAT, 11/03/2026: From $536
    03

    Tue

  • BWI–SAT, 11/04/2026: From $536
    04

    Wed

  • BWI–SAT, 11/05/2026: From $340
    05

    Thu

  • BWI–SAT, 11/06/2026: From $340
    06

    Fri

  • BWI–SAT, 11/07/2026: From $345
    07

    Sat

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

    Sun

  • BWI–SAT, 11/09/2026: From $164
    09

    Mon

  • BWI–SAT, 11/10/2026: From $154
    10

    Tue

  • BWI–SAT, 11/11/2026: From $154
    11

    Wed

  • BWI–SAT, 11/12/2026: From $154
    12

    Thu

  • BWI–SAT: cmp-view-offers-disclaimer. Find Offers
    13

    Fri

  • BWI–SAT, 11/14/2026: From $154
    14

    Sat

  • BWI–SAT, 11/15/2026: From $283
    15

    Sun

  • BWI–SAT, 11/16/2026: From $169
    16

    Mon

  • BWI–SAT, 11/17/2026: From $164
    17

    Tue

  • BWI–SAT: cmp-view-offers-disclaimer. Find Offers
    18

    Wed

  • BWI–SAT, 11/19/2026: From $164
    19

    Thu

  • BWI–SAT, 11/20/2026: From $253
    20

    Fri

  • BWI–SAT: cmp-view-offers-disclaimer. Find Offers
    21

    Sat

  • BWI–SAT, 11/22/2026: From $154
    22

    Sun

    • Range$154-$591

    *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:
    San Antonio International Airport
    Average flight time:
    3 hours 41 minutes
    Distance:
    1407 miles

    Questions we hear the most

    The average flight time from Baltimore/Washington to San Antonio is 3 hours 41 minutes.
    There are 156 weekly flights from Baltimore/Washington to San Antonio on Southwest Airlines.
    Yes, Southwest flies nonstop from Baltimore/Washington to San Antonio 2 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Baltimore/Washington to San Antonio 2 times per day on Saturdays and Sundays.
    To find the lowest fares by day and time to fly Baltimore/Washington to San Antonio with Southwest, check out our Low Fare Calendar.
    You can rent a car at San Antonio International Airport book yours with your flight.
    Yes! Flights from Baltimore/Washington to San Antonio—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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