Southwest® flights from Baltimore/Washington to San Francisco from $175

Promo Code

Low fares from Baltimore/Washington to San Francisco

$

Baltimore/Washington (BWI)to

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

One-way

Basic

From
$175
Seen: 1 hour ago

Baltimore/Washington (BWI)to

San Francisco (SFO)
Depart: 12/17/2026

One-way

Basic

From
$175
Seen: 57 minutes ago

Baltimore/Washington (BWI)to

San Francisco (SFO)
Depart: 11/14/2026

One-way

Basic

From
$201
Seen: 39 minutes ago

Baltimore/Washington (BWI)to

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

One-way

Choice

From
$235
Seen: 1 hour ago

Baltimore/Washington (BWI)to

San Francisco (SFO)
Depart: 12/17/2026

One-way

Choice

From
$235
Seen: 57 minutes ago

Baltimore/Washington (BWI)to

San Francisco (SFO)
Depart: 12/02/2026

One-way

Basic

From
$254
Seen: 11 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 Francisco

Oct 2026
From$361*
Seen: 17 hrs ago
One Way/Basic
Nov 2026
From$201*
Seen: 39 minutes ago
One Way/Basic
Dec 2026
From$175*
Seen: 57 minutes ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $201
cmp-daily-histogram-bars-legend-max-price-aria-label $654
Displaying fares for October-2026
  • BWI–SFO, 10/19/2026: From $654
    19

    Mon

    OCT

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

    Tue

  • BWI–SFO, 10/21/2026: From $654
    21

    Wed

  • BWI–SFO, 10/22/2026: From $654
    22

    Thu

  • BWI–SFO, 10/23/2026: From $654
    23

    Fri

  • BWI–SFO, 10/24/2026: From $509
    24

    Sat

  • BWI–SFO: cmp-view-offers-disclaimer. Find Offers
    25

    Sun

  • BWI–SFO: cmp-view-offers-disclaimer. Find Offers
    26

    Mon

  • BWI–SFO, 10/27/2026: From $509
    27

    Tue

  • BWI–SFO: cmp-view-offers-disclaimer. Find Offers
    28

    Wed

  • BWI–SFO, 10/29/2026: From $509
    29

    Thu

  • BWI–SFO, 10/30/2026: From $509
    30

    Fri

  • BWI–SFO, 10/31/2026: From $361
    31

    Sat

  • BWI–SFO, 11/01/2026: From $361
    01

    Sun

    NOV

  • BWI–SFO, 11/02/2026: From $361
    02

    Mon

  • BWI–SFO, 11/03/2026: From $361
    03

    Tue

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

    Wed

  • BWI–SFO, 11/05/2026: From $361
    05

    Thu

  • BWI–SFO, 11/06/2026: From $361
    06

    Fri

  • BWI–SFO: cmp-view-offers-disclaimer. Find Offers
    07

    Sat

  • BWI–SFO: cmp-view-offers-disclaimer. Find Offers
    08

    Sun

  • BWI–SFO, 11/09/2026: From $309
    09

    Mon

  • BWI–SFO, 11/10/2026: From $309
    10

    Tue

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

    Wed

  • BWI–SFO, 11/12/2026: From $309
    12

    Thu

  • BWI–SFO, 11/13/2026: From $364
    13

    Fri

  • BWI–SFO, 11/14/2026: From $201
    14

    Sat

  • BWI–SFO, 11/15/2026: From $319
    15

    Sun

  • BWI–SFO, 11/16/2026: From $275
    16

    Mon

  • BWI–SFO, 11/17/2026: From $254
    17

    Tue

  • BWI–SFO, 11/18/2026: From $254
    18

    Wed

    • Range$201-$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

    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.

    Explore Flights from Other Popular Origins

    Popular Flights from Baltimore/Washington