American Airlines flights from Portland, OR to Lisbon

Recent searches for flights from Portland, OR to Lisbon

Aug 2026
From$1,072*
Updated: 6 hours ago
Round tripIEconomy
Sep 2026
From$952*
Updated: 6 hours ago
Round tripIEconomy
Oct 2026
From$756*
Updated: 6 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $1.1K
cmp-daily-histogram-bars-legend-max-price-aria-label $3.1K
Displaying fares for August-2026
  • PDX–LIS, 08/14/26 – 08/21/26: From $1,132
    14

    Fr

    AUG

  • PDX–LIS, 08/15/26 – 08/22/26: From $1,192
    15

    Sa

  • PDX–LIS, 08/16/26 – 08/23/26: From $1,479
    16

    Su

  • PDX–LIS, 08/17/26 – 08/24/26: From $1,132
    17

    Mo

  • PDX–LIS, 08/18/26 – 08/25/26: From $1,072
    18

    Tu

  • PDX–LIS, 08/19/26 – 08/26/26: From $1,072
    19

    We

  • PDX–LIS, 08/20/26 – 08/26/26: From $1,129
    20

    Th

  • PDX–LIS, 08/21/26 – 08/28/26: From $1,132
    21

    Fr

  • PDX–LIS, 08/22/26 – 08/29/26: From $1,443
    22

    Sa

  • PDX–LIS, 08/23/26 – 08/30/26: From $1,373
    23

    Su

  • PDX–LIS, 08/24/26 – 08/31/26: From $1,229
    24

    Mo

  • PDX–LIS, 08/25/26 – 09/01/26: From $1,169
    25

    Tu

  • PDX–LIS, 08/26/26 – 09/02/26: From $1,169
    26

    We

  • PDX–LIS, 08/27/26 – 09/03/26: From $1,239
    27

    Th

  • PDX–LIS, 08/28/26 – 09/04/26: From $1,306
    28

    Fr

  • PDX–LIS, 08/29/26 – 09/05/26: From $1,718
    29

    Sa

  • PDX–LIS, 08/30/26 – 09/06/26: From $2,120
    30

    Su

  • PDX–LIS, 08/31/26 – 09/07/26: From $1,857
    31

    Mo

  • PDX–LIS, 09/01/26 – 09/08/26: From $1,691
    01

    Tu

    SEP

  • PDX–LIS, 09/02/26 – 09/09/26: From $1,750
    02

    We

  • PDX–LIS, 09/03/26 – 09/10/26: From $1,597
    03

    Th

  • PDX–LIS, 09/04/26 – 09/11/26: From $1,886
    04

    Fr

  • PDX–LIS, 09/05/26 – 09/12/26: From $3,054
    05

    Sa

  • PDX–LIS, 09/06/26 – 09/13/26: From $2,120
    06

    Su

  • PDX–LIS, 09/07/26 – 09/14/26: From $2,108
    07

    Mo

  • PDX–LIS, 09/08/26 – 09/15/26: From $1,501
    08

    Tu

  • PDX–LIS, 09/09/26 – 09/16/26: From $1,781
    09

    We

  • PDX–LIS, 09/10/26 – 09/17/26: From $1,423
    10

    Th

  • PDX–LIS, 09/11/26 – 09/18/26: From $1,496
    11

    Fr

  • PDX–LIS, 09/12/26 – 09/19/26: From $2,079
    12

    Sa

  • PDX–LIS, 09/13/26 – 09/20/26: From $1,961
    13

    Su

    • range$1,072-$3,054

    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 Lisbon flights

    $
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    Portland, OR (PDX)to

    Lisbon (LIS)
    10/28/26 - 11/04/26

    Round trip

    Economy

    from
    $756Fare subject to changes
    Updated: 6 hours ago

    Portland, OR (PDX)to

    Lisbon (LIS)
    11/18/26 - 11/25/26

    Round trip

    Economy

    from
    $756Fare subject to changes
    Updated: 6 hours ago

    Portland, OR (PDX)to

    Lisbon (LIS)
    11/10/26 - 11/17/26

    Round trip

    Economy

    from
    $759Fare subject to changes
    Updated: 6 hours ago

    Portland, OR (PDX)to

    Lisbon (LIS)
    11/11/26 - 11/18/26

    Round trip

    Economy

    from
    $759Fare subject to changes
    Updated: 6 hours ago

    Portland, OR (PDX)to

    Lisbon (LIS)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $759Fare subject to changes
    Updated: 6 hours ago

    Portland, OR (PDX)to

    Lisbon (LIS)
    11/04/26 - 11/11/26

    Round trip

    Economy

    from
    $759Fare subject to changes
    Updated: 6 hours ago

    Portland, OR (PDX)to

    Lisbon (LIS)
    11/17/26 - 11/24/26

    Round trip

    Economy

    from
    $759Fare subject to changes
    Updated: 6 hours ago

    Portland, OR (PDX)to

    Lisbon (LIS)
    12/09/26 - 12/16/26

    Round trip

    Economy

    from
    $763Fare subject to changes
    Updated: 6 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 Lisbon

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