Southwest® flights from San Antonio to Baltimore/Washington from $135

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Low fares from San Antonio to Baltimore/Washington

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San Antonio (SAT)to

Baltimore/Washington (BWI)
Depart: 12/09/2026

One-way

Basic

From
$135
Seen: 3 hrs ago

San Antonio (SAT)to

Baltimore/Washington (BWI)
Depart: 02/16/2027

One-way

Basic

From
$135
Seen: 7 hrs ago

San Antonio (SAT)to

Baltimore/Washington (BWI)
Depart: 02/17/2027

One-way

Basic

From
$135
Seen: 9 hrs ago

San Antonio (SAT)to

Baltimore/Washington (BWI)
Depart: 12/15/2026

One-way

Basic

From
$135
Seen: 17 hrs ago

San Antonio (SAT)to

Baltimore/Washington (BWI)
Depart: 12/16/2026

One-way

Basic

From
$145
Seen: 17 hrs ago

San Antonio (SAT)to

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

One-way

Basic

From
$145
Seen: 4 hrs ago

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Explore flights from San Antonio to Baltimore/Washington

Nov 2026
From$350*
Seen: 44 minutes ago
One Way/Basic
Dec 2026
From$135*
Seen: 17 hrs ago
One Way/Basic
Jan 2027
From$155*
Seen: 14 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $135
cmp-daily-histogram-bars-legend-max-price-aria-label $596
Displaying fares for November-2026
  • SAT–BWI, 11/11/2026: From $596
    11

    Wed

    NOV

  • SAT–BWI, 11/12/2026: From $596
    12

    Thu

  • SAT–BWI, 11/13/2026: From $596
    13

    Fri

  • SAT–BWI, 11/14/2026: From $596
    14

    Sat

  • SAT–BWI, 11/15/2026: From $596
    15

    Sun

  • SAT–BWI, 11/16/2026: From $596
    16

    Mon

  • SAT–BWI, 11/17/2026: From $541
    17

    Tue

  • SAT–BWI, 11/18/2026: From $541
    18

    Wed

  • SAT–BWI, 11/19/2026: From $541
    19

    Thu

  • SAT–BWI, 11/20/2026: From $541
    20

    Fri

  • SAT–BWI, 11/21/2026: From $536
    21

    Sat

  • SAT–BWI, 11/22/2026: From $536
    22

    Sun

  • SAT–BWI, 11/23/2026: From $536
    23

    Mon

  • SAT–BWI, 11/24/2026: From $541
    24

    Tue

  • SAT–BWI, 11/25/2026: From $350
    25

    Wed

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

    Thu

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

    Fri

  • SAT–BWI, 11/28/2026: From $375
    28

    Sat

  • SAT–BWI, 11/29/2026: From $398
    29

    Sun

  • SAT–BWI, 11/30/2026: From $380
    30

    Mon

  • SAT–BWI, 12/01/2026: From $350
    01

    Tue

    DEC

  • SAT–BWI, 12/02/2026: From $145
    02

    Wed

  • SAT–BWI, 12/03/2026: From $165
    03

    Thu

  • SAT–BWI, 12/04/2026: From $180
    04

    Fri

  • SAT–BWI, 12/05/2026: From $318
    05

    Sat

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

    Sun

  • SAT–BWI, 12/07/2026: From $165
    07

    Mon

  • SAT–BWI, 12/08/2026: From $145
    08

    Tue

  • SAT–BWI, 12/09/2026: From $135
    09

    Wed

  • SAT–BWI: cmp-view-offers-disclaimer. Find Offers
    10

    Thu

    • Range$135-$596

    *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.

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