Southwest® flights from San Antonio to Baltimore/Washington from $159

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Low fares from San Antonio to Baltimore/Washington

$

San Antonio (SAT)to

Baltimore/Washington (BWI)
Depart: 11/02/2026

One-way

Basic

From
$159
Seen: 19 hrs ago

San Antonio (SAT)to

Baltimore/Washington (BWI)
Depart: 11/09/2026

One-way

Basic

From
$159
Seen: 22 hrs ago

San Antonio (SAT)to

Baltimore/Washington (BWI)
Depart: 10/19/2026

One-way

Basic

From
$159
Seen: 14 hrs ago

San Antonio (SAT)to

Baltimore/Washington (BWI)
Depart: 10/24/2026

One-way

Basic

From
$159
Seen: 13 hrs ago

San Antonio (SAT)to

Baltimore/Washington (BWI)
Depart: 11/11/2026

One-way

Basic

From
$159
Seen: 3 hrs ago

San Antonio (SAT)to

Baltimore/Washington (BWI)
Depart: 11/12/2026

One-way

Basic

From
$159
Seen: 2 hrs ago

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Explore flights from San Antonio to Baltimore/Washington

Sep 2026
From$169*
Seen: 11 hrs ago
One Way/Basic
Oct 2026
From$159*
Seen: 14 hrs ago
One Way/Basic
Nov 2026
From$159*
Seen: 9 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $159
cmp-daily-histogram-bars-legend-max-price-aria-label $571
Displaying fares for September-2026
  • SAT–BWI, 09/11/2026: From $566
    11

    Fri

    SEP

  • SAT–BWI, 09/12/2026: From $571
    12

    Sat

  • SAT–BWI, 09/13/2026: From $571
    13

    Sun

  • SAT–BWI, 09/14/2026: From $566
    14

    Mon

  • SAT–BWI: cmp-view-offers-disclaimer. Find Offers
    15

    Tue

  • SAT–BWI: cmp-view-offers-disclaimer. Find Offers
    16

    Wed

  • SAT–BWI, 09/17/2026: From $511
    17

    Thu

  • SAT–BWI, 09/18/2026: From $521
    18

    Fri

  • SAT–BWI, 09/19/2026: From $516
    19

    Sat

  • SAT–BWI: cmp-view-offers-disclaimer. Find Offers
    20

    Sun

  • SAT–BWI, 09/21/2026: From $511
    21

    Mon

  • SAT–BWI, 09/22/2026: From $516
    22

    Tue

  • SAT–BWI, 09/23/2026: From $516
    23

    Wed

  • SAT–BWI, 09/24/2026: From $320
    24

    Thu

  • SAT–BWI, 09/25/2026: From $325
    25

    Fri

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

    Sat

  • SAT–BWI, 09/27/2026: From $325
    27

    Sun

  • SAT–BWI, 09/28/2026: From $320
    28

    Mon

  • SAT–BWI, 09/29/2026: From $325
    29

    Tue

  • SAT–BWI, 09/30/2026: From $169
    30

    Wed

  • SAT–BWI, 10/01/2026: From $222
    01

    Thu

    OCT

  • SAT–BWI, 10/02/2026: From $189
    02

    Fri

  • SAT–BWI, 10/03/2026: From $159
    03

    Sat

  • SAT–BWI, 10/04/2026: From $293
    04

    Sun

  • SAT–BWI: cmp-view-offers-disclaimer. Find Offers
    05

    Mon

  • SAT–BWI, 10/06/2026: From $159
    06

    Tue

  • SAT–BWI, 10/07/2026: From $169
    07

    Wed

  • SAT–BWI, 10/08/2026: From $293
    08

    Thu

  • SAT–BWI, 10/09/2026: From $311
    09

    Fri

  • SAT–BWI, 10/10/2026: From $169
    10

    Sat

    • Range$159-$571

    *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:
    San Antonio International Airport
    Arriving at:
    Balt./Wash. International Airport
    Average flight time:
    3 hours 12 minutes
    Distance:
    1407 miles

    Route Information

    156† Weekly flights
    • 2‡ Nonstop flights per day Monday through Friday
    • 2‡ Nonstop flights on Saturday
    • 2‡ 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 San Antonio to Baltimore/Washington is 3 hours 12 minutes.
    There are 156 weekly flights from San Antonio to Baltimore/Washington on Southwest Airlines.
    Yes, Southwest flies nonstop from San Antonio to Baltimore/Washington 2 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from San Antonio to Baltimore/Washington 2 times per day on Saturdays and Sundays.
    To find the lowest fares by day and time to fly San Antonio to Baltimore/Washington with Southwest, check out our Low Fare Calendar.
    You can rent a car at Balt./Wash. International Airport book yours with your flight.
    Yes! Flights from San Antonio to Baltimore/Washington—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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