Southwest® flights from Austin to Philadelphia from $219

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Low fares from Austin to Philadelphia

$

Austin (AUS)to

Philadelphia (PHL)
Depart: 12/15/2026

One-way

Basic

From
$219
Seen: 17 hrs ago

Austin (AUS)to

Philadelphia (PHL)
Depart: 12/09/2026

One-way

Basic

From
$219
Seen: 14 hrs ago

Austin (AUS)to

Philadelphia (PHL)
Depart: 12/16/2026

One-way

Basic

From
$219
Seen: 7 hrs ago

Austin (AUS)to

Philadelphia (PHL)
Depart: 01/23/2027

One-way

Basic

From
$219
Seen: 12 hrs ago

Austin (AUS)to

Philadelphia (PHL)
Depart: 12/29/2026

One-way

Basic

From
$219
Seen: 2 hrs ago

Austin (AUS)to

Philadelphia (PHL)
Depart: 12/08/2026

One-way

Basic

From
$219
Seen: 1 hour ago

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Explore flights from Austin to Philadelphia

Nov 2026
From$278*
Seen: 9 hrs ago
One Way/Basic
Dec 2026
From$219*
Seen: 17 hrs ago
One Way/Basic
Jan 2027
From$219*
Seen: 12 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $219
cmp-daily-histogram-bars-legend-max-price-aria-label $429
Displaying fares for November-2026
  • AUS–PHL, 11/13/2026: From $343
    13

    Fri

    NOV

  • AUS–PHL, 11/14/2026: From $278
    14

    Sat

  • AUS–PHL, 11/15/2026: From $343
    15

    Sun

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

    Mon

  • AUS–PHL, 11/17/2026: From $278
    17

    Tue

  • AUS–PHL, 11/18/2026: From $332
    18

    Wed

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

    Thu

  • AUS–PHL, 11/20/2026: From $348
    20

    Fri

  • AUS–PHL, 11/21/2026: From $278
    21

    Sat

  • AUS–PHL, 11/22/2026: From $343
    22

    Sun

  • AUS–PHL, 11/23/2026: From $343
    23

    Mon

  • AUS–PHL, 11/24/2026: From $278
    24

    Tue

  • AUS–PHL, 11/25/2026: From $278
    25

    Wed

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

    Thu

  • AUS–PHL, 11/27/2026: From $343
    27

    Fri

  • AUS–PHL, 11/28/2026: From $416
    28

    Sat

  • AUS–PHL, 11/29/2026: From $429
    29

    Sun

  • AUS–PHL, 11/30/2026: From $343
    30

    Mon

  • AUS–PHL, 12/01/2026: From $278
    01

    Tue

    DEC

  • AUS–PHL, 12/02/2026: From $278
    02

    Wed

  • AUS–PHL, 12/03/2026: From $343
    03

    Thu

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

    Fri

  • AUS–PHL, 12/05/2026: From $239
    05

    Sat

  • AUS–PHL, 12/06/2026: From $336
    06

    Sun

  • AUS–PHL, 12/07/2026: From $239
    07

    Mon

  • AUS–PHL, 12/08/2026: From $219
    08

    Tue

  • AUS–PHL, 12/09/2026: From $219
    09

    Wed

  • AUS–PHL, 12/10/2026: From $239
    10

    Thu

  • AUS–PHL, 12/11/2026: From $259
    11

    Fri

  • AUS–PHL, 12/12/2026: From $239
    12

    Sat

    • Range$219-$429

    *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:
    Austin-Bergstrom International Airport
    Arriving at:
    Philadelphia International Airport
    Distance:
    1430 miles

    Questions we hear the most

    There are 141 weekly flights from Austin to Philadelphia on Southwest Airlines.
    To find the lowest fares by day and time to fly Austin 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 Austin 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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