Southwest® flights from Philadelphia to San Francisco from $220

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Low fares from Philadelphia to San Francisco

$

Philadelphia (PHL)to

San Francisco (SFO)
Depart: 01/16/2027

One-way

Basic

From
$220
Seen: 20 hrs ago

Philadelphia (PHL)to

San Francisco (SFO)
Depart: 02/03/2027

One-way

Basic

From
$220
Seen: 11 hrs ago

Philadelphia (PHL)to

San Francisco (SFO)
Depart: 12/15/2026

One-way

Basic

From
$220
Seen: 13 hrs ago

Philadelphia (PHL)to

San Francisco (SFO)
Depart: 02/02/2027

One-way

Basic

From
$220
Seen: 24 minutes ago

Philadelphia (PHL)to

San Francisco (SFO)
Depart: 01/05/2027

One-way

Basic

From
$220
Seen: 18 hrs ago

Philadelphia (PHL)to

San Francisco (SFO)
Depart: 12/07/2026

One-way

Basic

From
$225
Seen: 20 hrs ago

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Explore flights from Philadelphia to San Francisco

Nov 2026
From$251*
Seen: 1 hour ago
One Way/Basic
Dec 2026
From$220*
Seen: 13 hrs ago
One Way/Basic
Jan 2027
From$220*
Seen: 18 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $225
cmp-daily-histogram-bars-legend-max-price-aria-label $484
Displaying fares for November-2026
  • PHL–SFO: cmp-view-offers-disclaimer. Find Offers
    13

    Fri

    NOV

  • PHL–SFO, 11/14/2026: From $251
    14

    Sat

  • PHL–SFO, 11/15/2026: From $364
    15

    Sun

  • PHL–SFO, 11/16/2026: From $359
    16

    Mon

  • PHL–SFO, 11/17/2026: From $308
    17

    Tue

  • PHL–SFO: cmp-view-offers-disclaimer. Find Offers
    18

    Wed

  • PHL–SFO, 11/19/2026: From $364
    19

    Thu

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

    Fri

  • PHL–SFO, 11/21/2026: From $303
    21

    Sat

  • PHL–SFO: cmp-view-offers-disclaimer. Find Offers
    22

    Sun

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

    Mon

  • PHL–SFO: cmp-view-offers-disclaimer. Find Offers
    24

    Tue

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

    Wed

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

    Thu

  • PHL–SFO, 11/27/2026: From $270
    27

    Fri

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

    Sat

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

    Sun

  • PHL–SFO, 11/30/2026: From $484
    30

    Mon

  • PHL–SFO, 12/01/2026: From $265
    01

    Tue

    DEC

  • PHL–SFO, 12/02/2026: From $270
    02

    Wed

  • PHL–SFO, 12/03/2026: From $225
    03

    Thu

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

    Fri

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

    Sat

  • PHL–SFO, 12/06/2026: From $230
    06

    Sun

  • PHL–SFO, 12/07/2026: From $225
    07

    Mon

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

    Tue

  • PHL–SFO: cmp-view-offers-disclaimer. Find Offers
    09

    Wed

  • PHL–SFO, 12/10/2026: From $225
    10

    Thu

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

    Fri

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

    Sat

    • Range$225-$484

    *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:
    Philadelphia International Airport
    Arriving at:
    San Francisco International Airport
    Distance:
    2521 miles

    Questions we hear the most

    There are 88 weekly flights from Philadelphia to San Francisco on Southwest Airlines.
    To find the lowest fares by day and time to fly Philadelphia 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 Philadelphia 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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