Southwest® flights from Baltimore/Washington to San Diego from $119

Promo Code

Low fares from Baltimore/Washington to San Diego

$

Baltimore/Washington (BWI)to

San Diego (SAN)
Depart: 09/05/2026

One-way

Basic

From
$119
Seen: 17 hrs ago

Baltimore/Washington (BWI)to

San Diego (SAN)
Depart: 10/03/2026

One-way

Basic

From
$119
Seen: 16 hrs ago

Baltimore/Washington (BWI)to

San Diego (SAN)
Depart: 10/27/2026

One-way

Basic

From
$119
Seen: 16 hrs ago

Baltimore/Washington (BWI)to

San Diego (SAN)
Depart: 09/19/2026

One-way

Basic

From
$119
Seen: 13 hrs ago

Baltimore/Washington (BWI)to

San Diego (SAN)
Depart: 09/30/2026

One-way

Basic

From
$119
Seen: 7 hrs ago

Baltimore/Washington (BWI)to

San Diego (SAN)
Depart: 09/29/2026

One-way

Basic

From
$119
Seen: 7 hrs ago

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Explore flights from Baltimore/Washington to San Diego

Try alternate month or interact with individual days below in order to find offers.
Jul 2026
No result for this month.
Aug 2026
From$119*
Seen: 11 hrs ago
One Way/Basic
Sep 2026
From$119*
Seen: 6 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $119
cmp-daily-histogram-bars-legend-max-price-aria-label $504
Displaying fares for July-2026
  • BWI–SAN: cmp-view-offers-disclaimer. Find Offers
    31

    Fri

    JUL

  • BWI–SAN: cmp-view-offers-disclaimer. Find Offers
    01

    Sat

  • BWI–SAN, 08/02/2026: From $504
    02

    Sun

  • BWI–SAN: cmp-view-offers-disclaimer. Find Offers
    03

    Mon

  • BWI–SAN, 08/04/2026: From $469
    04

    Tue

  • BWI–SAN, 08/05/2026: From $469
    05

    Wed

  • BWI–SAN, 08/06/2026: From $384
    06

    Thu

  • BWI–SAN, 08/07/2026: From $374
    07

    Fri

  • BWI–SAN, 08/08/2026: From $414
    08

    Sat

  • BWI–SAN: cmp-view-offers-disclaimer. Find Offers
    09

    Sun

  • BWI–SAN, 08/10/2026: From $384
    10

    Mon

  • BWI–SAN, 08/11/2026: From $384
    11

    Tue

  • BWI–SAN, 08/12/2026: From $384
    12

    Wed

  • BWI–SAN, 08/13/2026: From $289
    13

    Thu

  • BWI–SAN, 08/14/2026: From $279
    14

    Fri

  • BWI–SAN, 08/15/2026: From $309
    15

    Sat

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

    Sun

  • BWI–SAN, 08/17/2026: From $279
    17

    Mon

  • BWI–SAN, 08/18/2026: From $289
    18

    Tue

  • BWI–SAN, 08/19/2026: From $289
    19

    Wed

  • BWI–SAN: cmp-view-offers-disclaimer. Find Offers
    20

    Thu

  • BWI–SAN: cmp-view-offers-disclaimer. Find Offers
    21

    Fri

  • BWI–SAN, 08/22/2026: From $219
    22

    Sat

  • BWI–SAN, 08/23/2026: From $219
    23

    Sun

  • BWI–SAN, 08/24/2026: From $209
    24

    Mon

  • BWI–SAN, 08/25/2026: From $219
    25

    Tue

  • BWI–SAN, 08/26/2026: From $119
    26

    Wed

  • BWI–SAN, 08/27/2026: From $149
    27

    Thu

  • BWI–SAN, 08/28/2026: From $149
    28

    Fri

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

    Sat

  • BWI–SAN, 08/30/2026: From $199
    30

    Sun

    • Range$119-$504

    *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

    Route Information

    156† Weekly flights
    • 3‡ Nonstop flights per day Monday through Friday
    • 2‡ Nonstop flights on Saturday
    • 3‡ Nonstop flights on Sunday

    † Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.

    ‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.

    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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