Southwest® flights from Louisville to Philadelphia from $161

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Low fares from Louisville to Philadelphia

$

Louisville (SDF)to

Philadelphia (PHL)
Depart: 09/11/2026

One-way

Basic

From
$161
Seen: 12 hrs ago

Louisville (SDF)to

Philadelphia (PHL)
Depart: 08/26/2026

One-way

Basic

From
$183
Seen: 12 hrs ago

Louisville (SDF)to

Philadelphia (PHL)
Depart: 10/10/2026

One-way

Basic

From
$183
Seen: 6 hrs ago

Louisville (SDF)to

Philadelphia (PHL)
Depart: 09/10/2026

One-way

Basic

From
$183
Seen: 12 hrs ago

Louisville (SDF)to

Philadelphia (PHL)
Depart: 10/06/2026

One-way

Basic

From
$183
Seen: 1 hour ago

Louisville (SDF)to

Philadelphia (PHL)
Depart: 08/25/2026

One-way

Basic

From
$183
Seen: 2 hrs ago

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Explore flights from Louisville to Philadelphia

Aug 2026
From$183*
Seen: 2 hrs ago
One Way/Basic
Sep 2026
From$161*
Seen: 12 hrs ago
One Way/Basic
Oct 2026
From$183*
Seen: 6 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $183
cmp-daily-histogram-bars-legend-max-price-aria-label $317
Displaying fares for August-2026
  • SDF–PHL: cmp-view-offers-disclaimer. Find Offers
    03

    Mon

    AUG

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

    Tue

  • SDF–PHL, 08/05/2026: From $278
    05

    Wed

  • SDF–PHL, 08/06/2026: From $317
    06

    Thu

  • SDF–PHL: cmp-view-offers-disclaimer. Find Offers
    07

    Fri

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

    Sat

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

    Sun

  • SDF–PHL: cmp-view-offers-disclaimer. Find Offers
    10

    Mon

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

    Tue

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

    Wed

  • SDF–PHL, 08/13/2026: From $317
    13

    Thu

  • SDF–PHL, 08/14/2026: From $317
    14

    Fri

  • SDF–PHL: cmp-view-offers-disclaimer. Find Offers
    15

    Sat

  • SDF–PHL: cmp-view-offers-disclaimer. Find Offers
    16

    Sun

  • SDF–PHL, 08/17/2026: From $265
    17

    Mon

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

    Tue

  • SDF–PHL: cmp-view-offers-disclaimer. Find Offers
    19

    Wed

  • SDF–PHL, 08/20/2026: From $265
    20

    Thu

  • SDF–PHL, 08/21/2026: From $265
    21

    Fri

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

    Sat

  • SDF–PHL, 08/23/2026: From $235
    23

    Sun

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

    Mon

  • SDF–PHL, 08/25/2026: From $183
    25

    Tue

  • SDF–PHL, 08/26/2026: From $183
    26

    Wed

  • SDF–PHL: cmp-view-offers-disclaimer. Find Offers
    27

    Thu

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

    Fri

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

    Sat

  • SDF–PHL, 08/30/2026: From $235
    30

    Sun

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

    Mon

  • SDF–PHL: cmp-view-offers-disclaimer. Find Offers
    01

    Tue

    SEP

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

    Wed

    • Range$183-$317

    *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:
    Louisville International Airport
    Arriving at:
    Philadelphia International Airport
    Distance:
    576 miles

    Route Information

    73† 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 73 weekly flights from Louisville to Philadelphia on Southwest Airlines.
    To find the lowest fares by day and time to fly Louisville 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 Louisville 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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