Southwest® flights from San Diego to Baltimore/Washington from $138

Promo Code

Low fares from San Diego to Baltimore/Washington

$

San Diego (SAN)to

Baltimore/Washington (BWI)
Depart: 01/21/2027

One-way

Basic

From
$138
Seen: 22 hrs ago

San Diego (SAN)to

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

One-way

Basic

From
$138
Seen: 23 hrs ago

San Diego (SAN)to

Baltimore/Washington (BWI)
Depart: 01/12/2027

One-way

Basic

From
$138
Seen: 23 hrs ago

San Diego (SAN)to

Baltimore/Washington (BWI)
Depart: 12/10/2026

One-way

Basic

From
$138
Seen: 7 hrs ago

San Diego (SAN)to

Baltimore/Washington (BWI)
Depart: 12/07/2026

One-way

Basic

From
$138
Seen: 17 hrs ago

San Diego (SAN)to

Baltimore/Washington (BWI)
Depart: 01/07/2027

One-way

Basic

From
$138
Seen: 16 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 Diego to Baltimore/Washington

Oct 2026
From$404*
Seen: 13 hrs ago
One Way/Basic
Nov 2026
From$138*
Seen: 7 hrs ago
One Way/Basic
Dec 2026
From$138*
Seen: 23 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $142
cmp-daily-histogram-bars-legend-max-price-aria-label $539
Displaying fares for October-2026
  • SAN–BWI, 10/21/2026: From $539
    21

    Wed

    OCT

  • SAN–BWI, 10/22/2026: From $539
    22

    Thu

  • SAN–BWI, 10/23/2026: From $534
    23

    Fri

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

    Sat

  • SAN–BWI, 10/25/2026: From $539
    25

    Sun

  • SAN–BWI, 10/26/2026: From $534
    26

    Mon

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

    Tue

  • SAN–BWI, 10/28/2026: From $404
    28

    Wed

  • SAN–BWI, 10/29/2026: From $404
    29

    Thu

  • SAN–BWI: cmp-view-offers-disclaimer. Find Offers
    30

    Fri

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

    Sat

  • SAN–BWI, 11/01/2026: From $404
    01

    Sun

    NOV

  • SAN–BWI, 11/02/2026: From $404
    02

    Mon

  • SAN–BWI, 11/03/2026: From $309
    03

    Tue

  • SAN–BWI, 11/04/2026: From $319
    04

    Wed

  • SAN–BWI, 11/05/2026: From $319
    05

    Thu

  • SAN–BWI, 11/06/2026: From $309
    06

    Fri

  • SAN–BWI, 11/07/2026: From $309
    07

    Sat

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

    Sun

  • SAN–BWI, 11/09/2026: From $361
    09

    Mon

  • SAN–BWI, 11/10/2026: From $142
    10

    Tue

  • SAN–BWI, 11/11/2026: From $157
    11

    Wed

  • SAN–BWI, 11/12/2026: From $152
    12

    Thu

  • SAN–BWI, 11/13/2026: From $142
    13

    Fri

  • SAN–BWI, 11/14/2026: From $183
    14

    Sat

  • SAN–BWI, 11/15/2026: From $152
    15

    Sun

  • SAN–BWI, 11/16/2026: From $174
    16

    Mon

  • SAN–BWI: cmp-view-offers-disclaimer. Find Offers
    17

    Tue

  • SAN–BWI, 11/18/2026: From $152
    18

    Wed

  • SAN–BWI, 11/19/2026: From $189
    19

    Thu

  • SAN–BWI, 11/20/2026: From $191
    20

    Fri

    • Range$142-$539

    *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 Diego International Airport
    Arriving at:
    Balt./Wash. International Airport
    Average flight time:
    5 hours 3 minutes
    Distance:
    2295 miles

    Questions we hear the most

    The average flight time from San Diego to Baltimore/Washington is 5 hours 3 minutes.
    There are 156 weekly flights from San Diego to Baltimore/Washington on Southwest Airlines.
    Yes, Southwest flies nonstop from San Diego to Baltimore/Washington 3 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from San Diego to Baltimore/Washington 2 times per day on Saturdays and 3 times per day on Sundays.
    To find the lowest fares by day and time to fly San Diego 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 Diego 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 Diego