American Airlines flights from Philadelphia to Adelaide

Recent searches for flights from Philadelphia to Adelaide

Sep 2026
From$1,649*
Updated: 9 hours ago
Round tripIEconomy
Oct 2026
From$1,647*
Updated: 9 hours ago
Round tripIEconomy
Nov 2026
From$1,632*
Updated: 9 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $1.6K
cmp-daily-histogram-bars-legend-max-price-aria-label $4.0K
Displaying fares for September-2026
  • PHL–ADL: cmp-view-offers-disclaimer. Find Offers
    02

    We

    SEP

  • PHL–ADL, 09/03/26 – 09/10/26: From $4,009
    03

    Th

  • PHL–ADL, 09/04/26 – 09/11/26: From $3,346
    04

    Fr

  • PHL–ADL, 09/05/26 – 09/12/26: From $4,009
    05

    Sa

  • PHL–ADL, 09/06/26 – 09/13/26: From $3,671
    06

    Su

  • PHL–ADL, 09/07/26 – 09/14/26: From $3,099
    07

    Mo

  • PHL–ADL, 09/08/26 – 09/15/26: From $3,111
    08

    Tu

  • PHL–ADL, 09/09/26 – 09/16/26: From $3,099
    09

    We

  • PHL–ADL, 09/10/26 – 09/17/26: From $3,199
    10

    Th

  • PHL–ADL, 09/11/26 – 09/18/26: From $3,199
    11

    Fr

  • PHL–ADL, 09/12/26 – 09/19/26: From $3,199
    12

    Sa

  • PHL–ADL, 09/13/26 – 09/20/26: From $3,149
    13

    Su

  • PHL–ADL, 09/14/26 – 09/21/26: From $3,099
    14

    Mo

  • PHL–ADL, 09/15/26 – 09/22/26: From $3,099
    15

    Tu

  • PHL–ADL, 09/16/26 – 09/23/26: From $1,649
    16

    We

  • PHL–ADL, 09/17/26 – 09/24/26: From $1,761
    17

    Th

  • PHL–ADL, 09/18/26 – 09/25/26: From $1,761
    18

    Fr

  • PHL–ADL, 09/19/26 – 09/26/26: From $1,749
    19

    Sa

  • PHL–ADL, 09/20/26 – 09/27/26: From $1,711
    20

    Su

  • PHL–ADL, 09/21/26 – 09/28/26: From $1,661
    21

    Mo

  • PHL–ADL, 09/22/26 – 09/29/26: From $1,661
    22

    Tu

  • PHL–ADL, 09/23/26 – 09/30/26: From $1,662
    23

    We

  • PHL–ADL, 09/24/26 – 10/01/26: From $1,761
    24

    Th

  • PHL–ADL, 09/25/26 – 10/02/26: From $1,761
    25

    Fr

  • PHL–ADL, 09/26/26 – 10/03/26: From $3,356
    26

    Sa

  • PHL–ADL, 09/27/26 – 10/04/26: From $1,699
    27

    Su

  • PHL–ADL, 09/28/26 – 10/05/26: From $1,661
    28

    Mo

  • PHL–ADL, 09/29/26 – 10/06/26: From $1,661
    29

    Tu

  • PHL–ADL: cmp-view-offers-disclaimer. Find Offers
    30

    We

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

    Th

    OCT

    • range$1,649-$4,009

    DisclaimerFares displayed have been collected within the last 24hrs and may no longer be available at time of booking. Modifying this information may result in a different fare. To find the most updated fare, please visit aa.com. Fares listed may be Basic Economy, which class is subject to additional terms and conditions. Additional baggage fees and charges for optional products and services may apply.

    Find deals on Philadelphia to Adelaide flights

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    keyboard_arrow_down

    Philadelphia (PHL)to

    Adelaide (ADL)
    11/03/26 - 11/10/26

    Round trip

    Economy

    from
    $1,632Fare subject to changes
    Updated: 9 hours ago

    Philadelphia (PHL)to

    Adelaide (ADL)
    11/17/26 - 11/24/26

    Round trip

    Economy

    from
    $1,632Fare subject to changes
    Updated: 9 hours ago

    Philadelphia (PHL)to

    Adelaide (ADL)
    11/10/26 - 11/17/26

    Round trip

    Economy

    from
    $1,632Fare subject to changes
    Updated: 9 hours ago

    Philadelphia (PHL)to

    Adelaide (ADL)
    11/16/26 - 11/23/26

    Round trip

    Economy

    from
    $1,636Fare subject to changes
    Updated: 9 hours ago

    Philadelphia (PHL)to

    Adelaide (ADL)
    11/24/26 - 12/01/26

    Round trip

    Economy

    from
    $1,636Fare subject to changes
    Updated: 9 hours ago

    Philadelphia (PHL)to

    Adelaide (ADL)
    11/11/26 - 11/18/26

    Round trip

    Economy

    from
    $1,643Fare subject to changes
    Updated: 9 hours ago

    Philadelphia (PHL)to

    Adelaide (ADL)
    11/25/26 - 12/02/26

    Round trip

    Economy

    from
    $1,643Fare subject to changes
    Updated: 9 hours ago

    Philadelphia (PHL)to

    Adelaide (ADL)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $1,647Fare subject to changes
    Updated: 9 hours ago

    *Fares displayed have been collected within the last 24hrs and may no longer be available at time of booking. Some fares listed may include one or more connections that are Basic Economy, which class is subject to additional terms and conditions. Modifying this information may result in a different fare. To find the most updated fare, please visit aa.com. Additional baggage fees and charges for optional products and services may apply.

    Finding cheap flights from Philadelphia to Adelaide

    Looking for lower fares on your trip from Philadelphia to Adelaide? Here are a few ways to save.

    • Book early: Booking 1 to 3 months ahead can help you find lower fares
    • Be flexible with dates: Midweek travel, like Tuesdays and Wednesdays, can be more affordable
    • Travel during less busy periods: Flying outside peak travel times can help find lower fares and avoid crowds

    Earn up to $500 back on your next American Airlines flight plus, 30,000 bonus miles. Offers vary elsewhere. Opens another site in a new window that may not meet accessibility guidelines.

    Upgrade your flight with Main Cabin Extra

    Make your trip more comfortable with Main Cabin Extra. Enjoy benefits like:

    • Extra legroom: More space with seats at the front of the Main Cabin or in exit rows.
    • Early boarding: Preferred Group 5 boarding allows easier access to overhead bins.
    • Complimentary drinks: Enjoy beer, wine and spirits on flights with full beverage service.

    Discover how Main Cabin Extra can enhance your trip.

    American Airlines flights from Philadelphia to Adelaide