American Airlines flights from Buffalo to Portland, OR

Recent searches for flights from Buffalo to Portland, OR

Aug 2026
From$366*
Updated: 6 hours ago
Round tripIEconomy
Sep 2026
From$245*
Updated: 22 hours ago
Round tripIEconomy
Oct 2026
From$375*
Updated: 6 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $366
cmp-daily-histogram-bars-legend-max-price-aria-label $731
Displaying fares for August-2026
  • BUF–PDX: cmp-view-offers-disclaimer. Find Offers
    14

    Fr

    AUG

  • BUF–PDX, 08/15/26 – 08/22/26: From $549
    15

    Sa

  • BUF–PDX, 08/16/26 – 08/23/26: From $731
    16

    Su

  • BUF–PDX, 08/17/26 – 08/24/26: From $679
    17

    Mo

  • BUF–PDX, 08/18/26 – 08/25/26: From $549
    18

    Tu

  • BUF–PDX, 08/19/26 – 08/26/26: From $549
    19

    We

  • BUF–PDX, 08/20/26 – 08/27/26: From $679
    20

    Th

  • BUF–PDX, 08/21/26 – 08/28/26: From $603
    21

    Fr

  • BUF–PDX, 08/22/26 – 08/29/26: From $452
    22

    Sa

  • BUF–PDX, 08/23/26 – 08/30/26: From $603
    23

    Su

  • BUF–PDX, 08/24/26 – 08/31/26: From $603
    24

    Mo

  • BUF–PDX, 08/25/26 – 09/01/26: From $452
    25

    Tu

  • BUF–PDX, 08/26/26 – 09/02/26: From $452
    26

    We

  • BUF–PDX, 08/27/26 – 09/03/26: From $643
    27

    Th

  • BUF–PDX, 08/28/26 – 09/04/26: From $470
    28

    Fr

  • BUF–PDX, 08/29/26 – 09/05/26: From $366
    29

    Sa

  • BUF–PDX, 08/30/26 – 09/06/26: From $537
    30

    Su

  • BUF–PDX, 08/31/26 – 09/07/26: From $537
    31

    Mo

  • BUF–PDX, 09/01/26 – 09/08/26: From $366
    01

    Tu

    SEP

  • BUF–PDX, 09/02/26 – 09/09/26: From $366
    02

    We

  • BUF–PDX, 09/03/26 – 09/10/26: From $492
    03

    Th

  • BUF–PDX, 09/04/26 – 09/11/26: From $413
    04

    Fr

  • BUF–PDX, 09/05/26 – 09/12/26: From $377
    05

    Sa

  • BUF–PDX, 09/06/26 – 09/13/26: From $505
    06

    Su

  • BUF–PDX, 09/07/26 – 09/14/26: From $528
    07

    Mo

  • BUF–PDX, 09/08/26 – 09/15/26: From $376
    08

    Tu

  • BUF–PDX, 09/09/26 – 09/16/26: From $511
    09

    We

  • BUF–PDX, 09/10/26 – 09/17/26: From $377
    10

    Th

  • BUF–PDX: cmp-view-offers-disclaimer. Find Offers
    11

    Fr

  • BUF–PDX: cmp-view-offers-disclaimer. Find Offers
    12

    Sa

  • BUF–PDX: cmp-view-offers-disclaimer. Find Offers
    13

    Su

    • range$366-$731

    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 Buffalo to Portland, OR flights

    $
    keyboard_arrow_down

    Buffalo (BUF)to

    Portland, OR (PDX)
    09/01/26 - 09/08/26

    Round trip

    Economy

    from
    $366Fare subject to changes
    Updated: 6 hours ago

    Buffalo (BUF)to

    Portland, OR (PDX)
    09/02/26 - 09/09/26

    Round trip

    Economy

    from
    $366Fare subject to changes
    Updated: 6 hours ago

    Buffalo (BUF)to

    Portland, OR (PDX)
    08/29/26 - 09/05/26

    Round trip

    Economy

    from
    $366Fare subject to changes
    Updated: 6 hours ago

    Buffalo (BUF)to

    Portland, OR (PDX)
    10/17/26 - 10/24/26

    Round trip

    Economy

    from
    $375Fare subject to changes
    Updated: 6 hours ago

    Buffalo (BUF)to

    Portland, OR (PDX)
    10/20/26 - 10/27/26

    Round trip

    Economy

    from
    $375Fare subject to changes
    Updated: 6 hours ago

    Buffalo (BUF)to

    Portland, OR (PDX)
    09/23/26 - 09/30/26

    Round trip

    Economy

    from
    $375Fare subject to changes
    Updated: 6 hours ago

    Buffalo (BUF)to

    Portland, OR (PDX)
    09/30/26 - 10/07/26

    Round trip

    Economy

    from
    $375Fare subject to changes
    Updated: 6 hours ago

    Buffalo (BUF)to

    Portland, OR (PDX)
    09/23/26 - 10/21/26

    Round trip

    Economy

    from
    $245Fare subject to changes
    Updated: 22 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 Buffalo to Portland, OR

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