Southwest® flights from San Diego to Philadelphia from $167

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Low fares from San Diego to Philadelphia

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San Diego (SAN)to

Philadelphia (PHL)
Depart: 09/11/2026

One-way

Basic

From
$167
Seen: 23 hrs ago

San Diego (SAN)to

Philadelphia (PHL)
Depart: 10/01/2026

One-way

Basic

From
$167
Seen: 23 hrs ago

San Diego (SAN)to

Philadelphia (PHL)
Depart: 09/30/2026

One-way

Basic

From
$167
Seen: 14 hrs ago

San Diego (SAN)to

Philadelphia (PHL)
Depart: 10/22/2026

One-way

Basic

From
$167
Seen: 19 hrs ago

San Diego (SAN)to

Philadelphia (PHL)
Depart: 08/20/2026

One-way

Basic

From
$167
Seen: 20 hrs ago

San Diego (SAN)to

Philadelphia (PHL)
Depart: 09/29/2026

One-way

Basic

From
$167
Seen: 15 hrs ago

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Explore flights from San Diego to Philadelphia

Aug 2026
From$167*
Seen: 20 hrs ago
One Way/Basic
Sep 2026
From$167*
Seen: 14 hrs ago
One Way/Basic
Oct 2026
From$167*
Seen: 23 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $167
cmp-daily-histogram-bars-legend-max-price-aria-label $308
Displaying fares for August-2026
  • SAN–PHL, 08/01/2026: From $256
    01

    Sat

    AUG

  • SAN–PHL, 08/02/2026: From $308
    02

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  • SAN–PHL, 08/05/2026: From $256
    05

    Wed

  • SAN–PHL, 08/06/2026: From $308
    06

    Thu

  • SAN–PHL, 08/07/2026: From $308
    07

    Fri

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    08

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    09

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    10

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    11

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    12

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    13

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    14

    Fri

  • SAN–PHL, 08/15/2026: From $261
    15

    Sat

  • SAN–PHL, 08/16/2026: From $304
    16

    Sun

  • SAN–PHL: cmp-view-offers-disclaimer. Find Offers
    17

    Mon

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    18

    Tue

  • SAN–PHL, 08/19/2026: From $256
    19

    Wed

  • SAN–PHL, 08/20/2026: From $167
    20

    Thu

  • SAN–PHL, 08/21/2026: From $215
    21

    Fri

  • SAN–PHL, 08/22/2026: From $215
    22

    Sat

  • SAN–PHL, 08/23/2026: From $274
    23

    Sun

  • SAN–PHL, 08/24/2026: From $185
    24

    Mon

  • SAN–PHL, 08/25/2026: From $185
    25

    Tue

  • SAN–PHL, 08/26/2026: From $185
    26

    Wed

  • SAN–PHL, 08/27/2026: From $185
    27

    Thu

  • SAN–PHL, 08/28/2026: From $215
    28

    Fri

  • SAN–PHL, 08/29/2026: From $185
    29

    Sat

  • SAN–PHL, 08/30/2026: From $244
    30

    Sun

  • SAN–PHL, 08/31/2026: From $185
    31

    Mon

    • Range$167-$308

    *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:
    San Diego International Airport
    Arriving at:
    Philadelphia International Airport
    Distance:
    2370 miles

    Route Information

    96† Weekly flights

    † 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

    There are 96 weekly flights from San Diego to Philadelphia on Southwest Airlines.
    To find the lowest fares by day and time to fly San Diego to Philadelphia with Southwest, check out our Low Fare Calendar.
    You can rent a car at Philadelphia International Airport book yours with your flight.
    Yes! Flights from San Diego to Philadelphia—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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