American Airlines flights from Portland, OR to Sydney

Recent searches for flights from Portland, OR to Sydney

Aug 2026
From$1,235*
Updated: 4 hours ago
Round tripIEconomy
Sep 2026
From$1,305*
Updated: 4 hours ago
Round tripIEconomy
Oct 2026
From$1,305*
Updated: 4 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $1.2K
cmp-daily-histogram-bars-legend-max-price-aria-label $3.4K
Displaying fares for August-2026
  • PDX–SYD: cmp-view-offers-disclaimer. Find Offers
    15

    Sa

    AUG

  • PDX–SYD, 08/16/26 – 08/23/26: From $1,239
    16

    Su

  • PDX–SYD, 08/17/26 – 08/24/26: From $1,242
    17

    Mo

  • PDX–SYD, 08/18/26 – 08/25/26: From $1,242
    18

    Tu

  • PDX–SYD, 08/19/26 – 08/26/26: From $1,235
    19

    We

  • PDX–SYD, 08/20/26 – 08/27/26: From $1,335
    20

    Th

  • PDX–SYD, 08/21/26 – 08/28/26: From $1,343
    21

    Fr

  • PDX–SYD, 08/22/26 – 08/29/26: From $1,428
    22

    Sa

  • PDX–SYD, 08/23/26 – 08/30/26: From $1,534
    23

    Su

  • PDX–SYD, 08/24/26 – 08/31/26: From $2,725
    24

    Mo

  • PDX–SYD, 08/25/26 – 09/01/26: From $3,355
    25

    Tu

  • PDX–SYD, 08/26/26 – 09/02/26: From $1,522
    26

    We

  • PDX–SYD, 08/27/26 – 09/03/26: From $2,630
    27

    Th

  • PDX–SYD, 08/28/26 – 09/04/26: From $1,432
    28

    Fr

  • PDX–SYD, 08/29/26 – 09/05/26: From $1,424
    29

    Sa

  • PDX–SYD, 08/30/26 – 09/06/26: From $1,378
    30

    Su

  • PDX–SYD, 08/31/26 – 09/07/26: From $1,374
    31

    Mo

  • PDX–SYD, 09/01/26 – 09/08/26: From $1,521
    01

    Tu

    SEP

  • PDX–SYD, 09/02/26 – 09/09/26: From $1,521
    02

    We

  • PDX–SYD, 09/03/26 – 09/10/26: From $1,531
    03

    Th

  • PDX–SYD, 09/04/26 – 09/11/26: From $2,373
    04

    Fr

  • PDX–SYD, 09/05/26 – 09/12/26: From $2,368
    05

    Sa

  • PDX–SYD, 09/06/26 – 09/13/26: From $2,318
    06

    Su

  • PDX–SYD, 09/07/26 – 09/14/26: From $2,314
    07

    Mo

  • PDX–SYD, 09/08/26 – 09/15/26: From $1,521
    08

    Tu

  • PDX–SYD, 09/09/26 – 09/16/26: From $1,521
    09

    We

  • PDX–SYD, 09/10/26 – 09/17/26: From $1,513
    10

    Th

  • PDX–SYD, 09/11/26 – 09/18/26: From $1,521
    11

    Fr

  • PDX–SYD, 09/12/26 – 09/19/26: From $1,413
    12

    Sa

  • PDX–SYD, 09/13/26 – 09/20/26: From $1,309
    13

    Su

  • PDX–SYD, 09/14/26 – 09/21/26: From $1,305
    14

    Mo

    • range$1,235-$3,355

    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 Portland, OR to Sydney flights

    $
    keyboard_arrow_down

    Portland, OR (PDX)to

    Sydney (SYD)
    08/19/26 - 08/26/26

    Round trip

    Economy

    from
    $1,235Fare subject to changes
    Updated: 4 hours ago

    Portland, OR (PDX)to

    Sydney (SYD)
    08/16/26 - 08/23/26

    Round trip

    Economy

    from
    $1,239Fare subject to changes
    Updated: 4 hours ago

    Portland, OR (PDX)to

    Sydney (SYD)
    08/17/26 - 08/24/26

    Round trip

    Economy

    from
    $1,242Fare subject to changes
    Updated: 4 hours ago

    Portland, OR (PDX)to

    Sydney (SYD)
    08/18/26 - 08/25/26

    Round trip

    Economy

    from
    $1,242Fare subject to changes
    Updated: 4 hours ago

    Portland, OR (PDX)to

    Sydney (SYD)
    10/21/26 - 10/28/26

    Round trip

    Economy

    from
    $1,305Fare subject to changes
    Updated: 4 hours ago

    Portland, OR (PDX)to

    Sydney (SYD)
    10/26/26 - 11/02/26

    Round trip

    Economy

    from
    $1,305Fare subject to changes
    Updated: 4 hours ago

    Portland, OR (PDX)to

    Sydney (SYD)
    10/28/26 - 11/04/26

    Round trip

    Economy

    from
    $1,305Fare subject to changes
    Updated: 4 hours ago

    Portland, OR (PDX)to

    Sydney (SYD)
    11/15/26 - 11/22/26

    Round trip

    Economy

    from
    $1,305Fare subject to changes
    Updated: 4 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 Portland, OR to Sydney

    Looking for lower fares on your trip from Portland, OR to Sydney? 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 Portland, OR to Sydney