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

Promo Code

Low fares from San Antonio to Baltimore/Washington

$

San Antonio (SAT)to

Baltimore/Washington (BWI)
Depart: 11/25/2026

One-way

Basic

From
$153
Seen: 4 hrs ago

San Antonio (SAT)to

Baltimore/Washington (BWI)
Depart: 01/20/2027

One-way

Basic

From
$153
Seen: 4 hrs ago

San Antonio (SAT)to

Baltimore/Washington (BWI)
Depart: 12/29/2026

One-way

Basic

From
$153
Seen: 3 hrs ago

San Antonio (SAT)to

Baltimore/Washington (BWI)
Depart: 11/24/2026

One-way

Basic

From
$153
Seen: 10 hrs ago

San Antonio (SAT)to

Baltimore/Washington (BWI)
Depart: 12/14/2026

One-way

Basic

From
$154
Seen: 14 hrs ago

San Antonio (SAT)to

Baltimore/Washington (BWI)
Depart: 01/11/2027

One-way

Basic

From
$154
Seen: 12 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 San Antonio to Baltimore/Washington

Oct 2026
From$536*
Seen: 9 hrs ago
One Way/Basic
Nov 2026
From$153*
Seen: 4 hrs ago
One Way/Basic
Dec 2026
From$153*
Seen: 3 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
  • SAT–BWI, 10/22/2026: From $591
    22

    Thu

    OCT

  • SAT–BWI, 10/23/2026: From $591
    23

    Fri

  • SAT–BWI: cmp-view-offers-disclaimer. Find Offers
    24

    Sat

  • SAT–BWI: cmp-view-offers-disclaimer. Find Offers
    25

    Sun

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

    Mon

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

    Tue

  • SAT–BWI, 10/28/2026: From $536
    28

    Wed

  • SAT–BWI: cmp-view-offers-disclaimer. Find Offers
    29

    Thu

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

    Fri

  • SAT–BWI, 10/31/2026: From $536
    31

    Sat

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

    Sun

    NOV

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

    Mon

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

    Tue

  • SAT–BWI, 11/04/2026: From $345
    04

    Wed

  • SAT–BWI, 11/05/2026: From $441
    05

    Thu

  • SAT–BWI, 11/06/2026: From $363
    06

    Fri

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

    Sat

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

    Sun

  • SAT–BWI, 11/09/2026: From $154
    09

    Mon

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

    Tue

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

    Wed

  • SAT–BWI, 11/12/2026: From $164
    12

    Thu

  • SAT–BWI, 11/13/2026: From $164
    13

    Fri

  • SAT–BWI: cmp-view-offers-disclaimer. Find Offers
    14

    Sat

  • SAT–BWI, 11/15/2026: From $154
    15

    Sun

  • SAT–BWI, 11/16/2026: From $154
    16

    Mon

  • SAT–BWI, 11/17/2026: From $154
    17

    Tue

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

    Wed

  • SAT–BWI: cmp-view-offers-disclaimer. Find Offers
    19

    Thu

  • SAT–BWI, 11/20/2026: From $313
    20

    Fri

  • SAT–BWI, 11/21/2026: From $156
    21

    Sat

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

    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.

    Explore Flights from Other Popular Origins

    Popular Flights from San Antonio