Southwest® flights from Baltimore/Washington to San Diego from $158

Promo Code

Low fares from Baltimore/Washington to San Diego

$

Baltimore/Washington (BWI)to

San Diego (SAN)
Depart: 01/08/2027

One-way

Basic

From
$158
Seen: 15 minutes ago

Baltimore/Washington (BWI)to

San Diego (SAN)
Depart: 01/26/2027

One-way

Basic

From
$170
Seen: 7 hrs ago

Baltimore/Washington (BWI)to

San Diego (SAN)
Depart: 02/06/2027

One-way

Basic

From
$170
Seen: 9 hrs ago

Baltimore/Washington (BWI)to

San Diego (SAN)
Depart: 01/06/2027

One-way

Basic

From
$170
Seen: 22 hrs ago

Baltimore/Washington (BWI)to

San Diego (SAN)
Depart: 01/13/2027

One-way

Basic

From
$170
Seen: 2 hrs ago

Baltimore/Washington (BWI)to

San Diego (SAN)
Depart: 12/08/2026

One-way

Basic

From
$170
Seen: 3 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 Baltimore/Washington to San Diego

Nov 2026
From$314*
Seen: 17 hrs ago
One Way/Basic
Dec 2026
From$170*
Seen: 23 hrs ago
One Way/Basic
Jan 2027
From$158*
Seen: 15 minutes ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $170
cmp-daily-histogram-bars-legend-max-price-aria-label $685
Displaying fares for November-2026
  • BWI–SAN, 11/09/2026: From $544
    09

    Mon

    NOV

  • BWI–SAN, 11/10/2026: From $544
    10

    Tue

  • BWI–SAN, 11/11/2026: From $544
    11

    Wed

  • BWI–SAN, 11/12/2026: From $544
    12

    Thu

  • BWI–SAN, 11/13/2026: From $544
    13

    Fri

  • BWI–SAN, 11/14/2026: From $544
    14

    Sat

  • BWI–SAN, 11/15/2026: From $409
    15

    Sun

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

    Mon

  • BWI–SAN, 11/17/2026: From $409
    17

    Tue

  • BWI–SAN, 11/18/2026: From $409
    18

    Wed

  • BWI–SAN, 11/19/2026: From $409
    19

    Thu

  • BWI–SAN, 11/20/2026: From $409
    20

    Fri

  • BWI–SAN, 11/21/2026: From $409
    21

    Sat

  • BWI–SAN, 11/22/2026: From $314
    22

    Sun

  • BWI–SAN, 11/23/2026: From $314
    23

    Mon

  • BWI–SAN, 11/24/2026: From $314
    24

    Tue

  • BWI–SAN, 11/25/2026: From $314
    25

    Wed

  • BWI–SAN, 11/26/2026: From $314
    26

    Thu

  • BWI–SAN, 11/27/2026: From $324
    27

    Fri

  • BWI–SAN, 11/28/2026: From $494
    28

    Sat

  • BWI–SAN, 11/29/2026: From $685
    29

    Sun

  • BWI–SAN, 11/30/2026: From $415
    30

    Mon

  • BWI–SAN, 12/01/2026: From $254
    01

    Tue

    DEC

  • BWI–SAN, 12/02/2026: From $180
    02

    Wed

  • BWI–SAN, 12/03/2026: From $195
    03

    Thu

  • BWI–SAN, 12/04/2026: From $195
    04

    Fri

  • BWI–SAN, 12/05/2026: From $170
    05

    Sat

  • BWI–SAN, 12/06/2026: From $244
    06

    Sun

  • BWI–SAN, 12/07/2026: From $185
    07

    Mon

  • BWI–SAN, 12/08/2026: From $170
    08

    Tue

    • Range$170-$685

    *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 Diego International Airport
    Average flight time:
    5 hours 35 minutes
    Distance:
    2295 miles

    Questions we hear the most

    The average flight time from Baltimore/Washington to San Diego is 5 hours 35 minutes.
    There are 156 weekly flights from Baltimore/Washington to San Diego on Southwest Airlines.
    Yes, Southwest flies nonstop from Baltimore/Washington to San Diego 3 times per day from Monday through Friday.
    Yes, Southwest flies nonstop from Baltimore/Washington to San Diego 2 times per day on Saturdays and 3 times per day on Sundays.
    To find the lowest fares by day and time to fly Baltimore/Washington to San Diego with Southwest, check out our Low Fare Calendar.
    You can rent a car at San Diego International Airport book yours with your flight.
    Yes! Flights from Baltimore/Washington to San Diego—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 Baltimore/Washington