American Airlines flights from Portland, OR to Buffalo

Recent searches for flights from Portland, OR to Buffalo

Aug 2026
From$333*
Updated: 1 hour ago
Round tripIEconomy
Sep 2026
From$245*
Updated: 16 hours ago
Round tripIEconomy
Oct 2026
From$245*
Updated: 16 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $278
cmp-daily-histogram-bars-legend-max-price-aria-label $679
Displaying fares for August-2026
  • PDX–BUF, 08/12/26 – 08/19/26: From $549
    12

    We

    AUG

  • PDX–BUF, 08/13/26 – 08/20/26: From $679
    13

    Th

  • PDX–BUF, 08/14/26 – 08/21/26: From $679
    14

    Fr

  • PDX–BUF, 08/15/26 – 08/22/26: From $592
    15

    Sa

  • PDX–BUF, 08/16/26 – 08/23/26: From $679
    16

    Su

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

    Mo

  • PDX–BUF, 08/18/26 – 08/25/26: From $452
    18

    Tu

  • PDX–BUF, 08/19/26 – 08/26/26: From $452
    19

    We

  • PDX–BUF, 08/20/26 – 08/27/26: From $603
    20

    Th

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

    Fr

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

    Sa

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

    Su

  • PDX–BUF, 08/24/26 – 08/31/26: From $531
    24

    Mo

  • PDX–BUF, 08/25/26 – 09/01/26: From $351
    25

    Tu

  • PDX–BUF, 08/26/26 – 09/02/26: From $351
    26

    We

  • PDX–BUF, 08/27/26 – 09/03/26: From $493
    27

    Th

  • PDX–BUF, 08/28/26 – 09/04/26: From $463
    28

    Fr

  • PDX–BUF, 08/29/26 – 09/05/26: From $333
    29

    Sa

  • PDX–BUF, 08/30/26 – 09/06/26: From $419
    30

    Su

  • PDX–BUF, 08/31/26 – 09/07/26: From $421
    31

    Mo

  • PDX–BUF, 09/01/26 – 09/08/26: From $347
    01

    Tu

    SEP

  • PDX–BUF, 09/02/26 – 09/09/26: From $347
    02

    We

  • PDX–BUF, 09/03/26 – 09/10/26: From $421
    03

    Th

  • PDX–BUF, 09/04/26 – 09/11/26: From $355
    04

    Fr

  • PDX–BUF, 09/05/26 – 09/12/26: From $278
    05

    Sa

  • PDX–BUF, 09/06/26 – 09/15/26: From $278
    06

    Su

  • PDX–BUF, 09/07/26 – 09/14/26: From $473
    07

    Mo

  • PDX–BUF, 09/08/26 – 09/15/26: From $296
    08

    Tu

  • PDX–BUF: cmp-view-offers-disclaimer. Find Offers
    09

    We

  • PDX–BUF: cmp-view-offers-disclaimer. Find Offers
    10

    Th

  • PDX–BUF, 09/11/26 – 09/18/26: From $345
    11

    Fr

    • range$278-$679

    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 Buffalo flights

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    Portland, OR (PDX)to

    Buffalo (BUF)
    10/06/26 - 10/13/26

    Round trip

    Economy

    from
    $245Fare subject to changes
    Updated: 16 hours ago

    Portland, OR (PDX)to

    Buffalo (BUF)
    09/19/26 - 09/26/26

    Round trip

    Economy

    from
    $245Fare subject to changes
    Updated: 16 hours ago

    Portland, OR (PDX)to

    Buffalo (BUF)
    10/03/26 - 10/10/26

    Round trip

    Economy

    from
    $245Fare subject to changes
    Updated: 16 hours ago

    Portland, OR (PDX)to

    Buffalo (BUF)
    09/23/26 - 09/30/26

    Round trip

    Economy

    from
    $245Fare subject to changes
    Updated: 16 hours ago

    Portland, OR (PDX)to

    Buffalo (BUF)
    10/21/26 - 10/28/26

    Round trip

    Economy

    from
    $245Fare subject to changes
    Updated: 1 hour ago

    Portland, OR (PDX)to

    Buffalo (BUF)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $245Fare subject to changes
    Updated: 1 hour ago

    Portland, OR (PDX)to

    Buffalo (BUF)
    10/24/26 - 10/31/26

    Round trip

    Economy

    from
    $245Fare subject to changes
    Updated: 1 hour ago

    Portland, OR (PDX)to

    Buffalo (BUF)
    10/28/26 - 11/04/26

    Round trip

    Economy

    from
    $245Fare subject to changes
    Updated: 1 hour 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 Buffalo

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