Southwest® flights from Baltimore/Washington to San Francisco from $179

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Low fares from Baltimore/Washington to San Francisco

$

Baltimore/Washington (BWI)to

San Francisco (SFO)
Depart: 11/11/2026

One-way

Basic

From
$179
Seen: 7 hrs ago

Baltimore/Washington (BWI)to

San Francisco (SFO)
Depart: 10/06/2026

One-way

Basic

From
$179
Seen: 13 hrs ago

Baltimore/Washington (BWI)to

San Francisco (SFO)
Depart: 09/22/2026

One-way

Basic

From
$179
Seen: 9 hrs ago

Baltimore/Washington (BWI)to

San Francisco (SFO)
Depart: 11/17/2026

One-way

Basic

From
$179
Seen: 9 hrs ago

Baltimore/Washington (BWI)to

San Francisco (SFO)
Depart: 11/12/2026

One-way

Basic

From
$179
Seen: 6 hrs ago

Baltimore/Washington (BWI)to

San Francisco (SFO)
Depart: 09/15/2026

One-way

Basic

From
$179
Seen: 53 minutes ago

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Explore flights from Baltimore/Washington to San Francisco

Aug 2026
From$418*
Seen: 11 hrs ago
One Way/Basic
Sep 2026
From$179*
Seen: 9 hrs ago
One Way/Basic
Oct 2026
From$179*
Seen: 13 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $179
cmp-daily-histogram-bars-legend-max-price-aria-label $629
Displaying fares for August-2026
  • BWI–SFO, 08/21/2026: From $629
    21

    Fri

    AUG

  • BWI–SFO, 08/22/2026: From $629
    22

    Sat

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

    Sun

  • BWI–SFO, 08/24/2026: From $629
    24

    Mon

  • BWI–SFO, 08/25/2026: From $629
    25

    Tue

  • BWI–SFO, 08/26/2026: From $629
    26

    Wed

  • BWI–SFO, 08/27/2026: From $489
    27

    Thu

  • BWI–SFO, 08/28/2026: From $489
    28

    Fri

  • BWI–SFO, 08/29/2026: From $418
    29

    Sat

  • BWI–SFO, 08/30/2026: From $489
    30

    Sun

  • BWI–SFO, 08/31/2026: From $489
    31

    Mon

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

    Tue

    SEP

  • BWI–SFO, 09/02/2026: From $489
    02

    Wed

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

    Thu

  • BWI–SFO, 09/04/2026: From $341
    04

    Fri

  • BWI–SFO, 09/05/2026: From $331
    05

    Sat

  • BWI–SFO, 09/06/2026: From $331
    06

    Sun

  • BWI–SFO, 09/07/2026: From $341
    07

    Mon

  • BWI–SFO, 09/08/2026: From $341
    08

    Tue

  • BWI–SFO, 09/09/2026: From $331
    09

    Wed

  • BWI–SFO, 09/10/2026: From $189
    10

    Thu

  • BWI–SFO, 09/11/2026: From $215
    11

    Fri

  • BWI–SFO, 09/12/2026: From $179
    12

    Sat

  • BWI–SFO, 09/13/2026: From $292
    13

    Sun

  • BWI–SFO, 09/14/2026: From $309
    14

    Mon

  • BWI–SFO, 09/15/2026: From $179
    15

    Tue

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

    Wed

  • BWI–SFO, 09/17/2026: From $189
    17

    Thu

  • BWI–SFO, 09/18/2026: From $215
    18

    Fri

  • BWI–SFO, 09/19/2026: From $189
    19

    Sat

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

    Sun

    • Range$179-$629

    *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 Francisco International Airport
    Average flight time:
    5 hours 52 minutes
    Distance:
    2457 miles

    Route Information

    153† Weekly flights
    • 1‡ Nonstop flight per day Monday through Friday
    • 1‡ Nonstop flight on Saturday
    • 1‡ Nonstop flight 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 Francisco is 5 hours 52 minutes.
    There are 153 weekly flights from Baltimore/Washington to San Francisco on Southwest Airlines.
    Yes, Southwest flies nonstop from Baltimore/Washington to San Francisco once per day from Monday through Friday.
    Yes, Southwest flies nonstop from Baltimore/Washington to San Francisco once per day on Saturdays and Sundays.
    To find the lowest fares by day and time to fly Baltimore/Washington to San Francisco with Southwest, check out our Low Fare Calendar.
    You can rent a car at San Francisco International Airport book yours with your flight.
    Yes! Flights from Baltimore/Washington to San Francisco—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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