Southwest® flights from Baltimore/Washington to San Diego from $169

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Low fares from Baltimore/Washington to San Diego

$

Baltimore/Washington (BWI)to

San Diego (SAN)
Depart: 01/23/2027

One-way

Basic

From
$169
Seen: 14 hrs ago

Baltimore/Washington (BWI)to

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

One-way

Basic

From
$169
Seen: 11 hrs ago

Baltimore/Washington (BWI)to

San Diego (SAN)
Depart: 01/20/2027

One-way

Basic

From
$169
Seen: 2 hrs ago

Baltimore/Washington (BWI)to

San Diego (SAN)
Depart: 12/16/2026

One-way

Basic

From
$169
Seen: 1 hour ago

Baltimore/Washington (BWI)to

San Diego (SAN)
Depart: 12/05/2026

One-way

Basic

From
$169
Seen: 16 hrs ago

Baltimore/Washington (BWI)to

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

One-way

Basic

From
$169
Seen: 16 hrs ago

Looking for more low-fare flights?

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Explore flights from Baltimore/Washington to San Diego

Oct 2026
From$309*
Seen: 11 hrs ago
One Way/Basic
Nov 2026
From$169*
Seen: 10 hrs ago
One Way/Basic
Dec 2026
From$169*
Seen: 7 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $184
cmp-daily-histogram-bars-legend-max-price-aria-label $650
Displaying fares for October-2026
  • BWI–SAN, 10/17/2026: From $539
    17

    Sat

    OCT

  • BWI–SAN, 10/18/2026: From $650
    18

    Sun

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

    Mon

  • BWI–SAN, 10/20/2026: From $534
    20

    Tue

  • BWI–SAN, 10/21/2026: From $534
    21

    Wed

  • BWI–SAN, 10/22/2026: From $534
    22

    Thu

  • BWI–SAN: cmp-view-offers-disclaimer. Find Offers
    23

    Fri

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

    Sat

  • BWI–SAN, 10/25/2026: From $404
    25

    Sun

  • BWI–SAN, 10/26/2026: From $404
    26

    Mon

  • BWI–SAN, 10/27/2026: From $404
    27

    Tue

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

    Wed

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

    Thu

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

    Fri

  • BWI–SAN, 10/31/2026: From $309
    31

    Sat

  • BWI–SAN, 11/01/2026: From $309
    01

    Sun

    NOV

  • BWI–SAN, 11/02/2026: From $309
    02

    Mon

  • BWI–SAN, 11/03/2026: From $319
    03

    Tue

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

    Wed

  • BWI–SAN, 11/05/2026: From $309
    05

    Thu

  • BWI–SAN, 11/06/2026: From $184
    06

    Fri

  • BWI–SAN, 11/07/2026: From $184
    07

    Sat

  • BWI–SAN, 11/08/2026: From $197
    08

    Sun

  • BWI–SAN, 11/09/2026: From $184
    09

    Mon

  • BWI–SAN, 11/10/2026: From $184
    10

    Tue

  • BWI–SAN, 11/11/2026: From $194
    11

    Wed

  • BWI–SAN, 11/12/2026: From $184
    12

    Thu

  • BWI–SAN, 11/13/2026: From $184
    13

    Fri

  • BWI–SAN, 11/14/2026: From $184
    14

    Sat

  • BWI–SAN, 11/15/2026: From $189
    15

    Sun

  • BWI–SAN, 11/16/2026: From $184
    16

    Mon

    • Range$184-$650

    *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.

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