Southwest® flights from Philadelphia to Jacksonville from $170

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Low fares from Philadelphia to Jacksonville

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Philadelphia (PHL)to

Jacksonville (JAX)
Depart: 08/25/2026

One-way

Basic

From
$170
Seen: 22 hrs ago

Philadelphia (PHL)to

Jacksonville (JAX)
Depart: 08/04/2026

One-way

Basic

From
$170
Seen: 10 hrs ago

Philadelphia (PHL)to

Jacksonville (JAX)
Depart: 08/11/2026

One-way

Basic

From
$170
Seen: 7 hrs ago

Philadelphia (PHL)to

Jacksonville (JAX)
Depart: 08/12/2026

One-way

Basic

From
$170
Seen: 23 hrs ago

Philadelphia (PHL)to

Jacksonville (JAX)
Depart: 08/05/2026

One-way

Basic

From
$170
Seen: 1 hour ago

Philadelphia (PHL)to

Jacksonville (JAX)
Depart: 09/11/2026

One-way

Basic

From
$182
Seen: 9 minutes ago

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Explore flights from Philadelphia to Jacksonville

Aug 2026
From$170*
Seen: 22 hrs ago
One Way/Basic
Sep 2026
From$182*
Seen: 9 minutes ago
One Way/Basic
Oct 2026
From$193*
Seen: 7 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $170
cmp-daily-histogram-bars-legend-max-price-aria-label $274
Displaying fares for August-2026
  • PHL–JAX, 08/01/2026: From $243
    01

    Sat

    AUG

  • PHL–JAX: cmp-view-offers-disclaimer. Find Offers
    02

    Sun

  • PHL–JAX, 08/03/2026: From $224
    03

    Mon

  • PHL–JAX, 08/04/2026: From $170
    04

    Tue

  • PHL–JAX, 08/05/2026: From $170
    05

    Wed

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    06

    Thu

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    07

    Fri

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    08

    Sat

  • PHL–JAX, 08/09/2026: From $274
    09

    Sun

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    10

    Mon

  • PHL–JAX, 08/11/2026: From $170
    11

    Tue

  • PHL–JAX, 08/12/2026: From $170
    12

    Wed

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    13

    Thu

  • PHL–JAX, 08/14/2026: From $224
    14

    Fri

  • PHL–JAX, 08/15/2026: From $206
    15

    Sat

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    16

    Sun

  • PHL–JAX, 08/17/2026: From $224
    17

    Mon

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    18

    Tue

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    19

    Wed

  • PHL–JAX, 08/20/2026: From $224
    20

    Thu

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    21

    Fri

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    22

    Sat

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    23

    Sun

  • PHL–JAX, 08/24/2026: From $204
    24

    Mon

  • PHL–JAX, 08/25/2026: From $170
    25

    Tue

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    26

    Wed

  • PHL–JAX, 08/27/2026: From $204
    27

    Thu

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    28

    Fri

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    29

    Sat

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    30

    Sun

  • PHL–JAX: cmp-view-offers-disclaimer. Find Offers
    31

    Mon

    • Range$170-$274

    *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:
    Jacksonville International Airport
    Distance:
    742 miles

    Route Information

    59† 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 59 weekly flights from Philadelphia to Jacksonville on Southwest Airlines.
    To find the lowest fares by day and time to fly Philadelphia to Jacksonville with Southwest, check out our Low Fare Calendar.
    You can rent a car at Jacksonville International Airport book yours with your flight.
    Yes! Flights from Philadelphia to Jacksonville—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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