Southwest® flights from Baltimore/Washington to San Francisco from $141

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Low fares from Baltimore/Washington to San Francisco

$

Baltimore/Washington (BWI)to

San Francisco (SFO)
Depart: 12/08/2026

One-way

Basic

From
$141
Seen: 22 hrs ago

Baltimore/Washington (BWI)to

San Francisco (SFO)
Depart: 11/03/2026

One-way

Basic

From
$141
Seen: 18 hrs ago

Baltimore/Washington (BWI)to

San Francisco (SFO)
Depart: 10/31/2026

One-way

Basic

From
$141
Seen: 16 hrs ago

Baltimore/Washington (BWI)to

San Francisco (SFO)
Depart: 11/10/2026

One-way

Basic

From
$141
Seen: 10 hrs ago

Baltimore/Washington (BWI)to

San Francisco (SFO)
Depart: 12/09/2026

One-way

Basic

From
$141
Seen: 7 hrs ago

Baltimore/Washington (BWI)to

San Francisco (SFO)
Depart: 12/16/2026

One-way

Basic

From
$151
Seen: 11 hrs ago

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Explore flights from Baltimore/Washington to San Francisco

Sep 2026
From$644*
Seen: 6 hrs ago
One Way/Basic
Oct 2026
From$141*
Seen: 16 hrs ago
One Way/Basic
Nov 2026
From$141*
Seen: 10 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $186
cmp-daily-histogram-bars-legend-max-price-aria-label $654
Displaying fares for September-2026
  • BWI–SFO, 09/25/2026: From $654
    25

    Fri

    SEP

  • BWI–SFO, 09/26/2026: From $644
    26

    Sat

  • BWI–SFO, 09/27/2026: From $644
    27

    Sun

  • BWI–SFO, 09/28/2026: From $644
    28

    Mon

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

    Tue

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

    Wed

  • BWI–SFO, 10/01/2026: From $499
    01

    Thu

    OCT

  • BWI–SFO, 10/02/2026: From $499
    02

    Fri

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

    Sat

  • BWI–SFO: cmp-view-offers-disclaimer. Find Offers
    04

    Sun

  • BWI–SFO: cmp-view-offers-disclaimer. Find Offers
    05

    Mon

  • BWI–SFO, 10/06/2026: From $499
    06

    Tue

  • BWI–SFO, 10/07/2026: From $499
    07

    Wed

  • BWI–SFO, 10/08/2026: From $361
    08

    Thu

  • BWI–SFO, 10/09/2026: From $351
    09

    Fri

  • BWI–SFO, 10/10/2026: From $351
    10

    Sat

  • BWI–SFO: cmp-view-offers-disclaimer. Find Offers
    11

    Sun

  • BWI–SFO: cmp-view-offers-disclaimer. Find Offers
    12

    Mon

  • BWI–SFO, 10/13/2026: From $351
    13

    Tue

  • BWI–SFO, 10/14/2026: From $361
    14

    Wed

  • BWI–SFO, 10/15/2026: From $351
    15

    Thu

  • BWI–SFO, 10/16/2026: From $309
    16

    Fri

  • BWI–SFO, 10/17/2026: From $235
    17

    Sat

  • BWI–SFO, 10/18/2026: From $309
    18

    Sun

  • BWI–SFO, 10/19/2026: From $309
    19

    Mon

  • BWI–SFO, 10/20/2026: From $186
    20

    Tue

  • BWI–SFO, 10/21/2026: From $205
    21

    Wed

  • BWI–SFO, 10/22/2026: From $235
    22

    Thu

  • BWI–SFO, 10/23/2026: From $205
    23

    Fri

  • BWI–SFO, 10/24/2026: From $186
    24

    Sat

    • Range$186-$654

    *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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