American Airlines flights from Portland, OR to Denver

Recent searches for flights from Portland, OR to Denver

Aug 2026
From$662*
Updated: 11 hours ago
Round tripIEconomy
Sep 2026
From$277*
Updated: 11 hours ago
Round tripIEconomy
Oct 2026
From$277*
Updated: 11 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $317
cmp-daily-histogram-bars-legend-max-price-aria-label $847
Displaying fares for August-2026
  • PDX–DEN: cmp-view-offers-disclaimer. Find Offers
    28

    Fr

    AUG

  • PDX–DEN, 08/29/26 – 09/05/26: From $662
    29

    Sa

  • PDX–DEN, 08/30/26 – 09/06/26: From $662
    30

    Su

  • PDX–DEN, 08/31/26 – 09/07/26: From $662
    31

    Mo

  • PDX–DEN, 09/01/26 – 09/08/26: From $662
    01

    Tu

    SEP

  • PDX–DEN, 09/02/26 – 09/09/26: From $847
    02

    We

  • PDX–DEN, 09/03/26 – 09/10/26: From $662
    03

    Th

  • PDX–DEN, 09/04/26 – 09/11/26: From $602
    04

    Fr

  • PDX–DEN, 09/05/26 – 09/12/26: From $557
    05

    Sa

  • PDX–DEN, 09/06/26 – 09/13/26: From $557
    06

    Su

  • PDX–DEN, 09/07/26 – 09/14/26: From $557
    07

    Mo

  • PDX–DEN, 09/08/26 – 09/15/26: From $557
    08

    Tu

  • PDX–DEN, 09/09/26 – 09/16/26: From $605
    09

    We

  • PDX–DEN, 09/10/26 – 09/12/26: From $447
    10

    Th

  • PDX–DEN, 09/11/26 – 09/18/26: From $402
    11

    Fr

  • PDX–DEN, 09/12/26 – 09/19/26: From $402
    12

    Sa

  • PDX–DEN, 09/13/26 – 09/20/26: From $402
    13

    Su

  • PDX–DEN, 09/14/26 – 09/21/26: From $555
    14

    Mo

  • PDX–DEN, 09/15/26 – 09/22/26: From $402
    15

    Tu

  • PDX–DEN, 09/16/26 – 09/23/26: From $402
    16

    We

  • PDX–DEN, 09/17/26 – 09/24/26: From $402
    17

    Th

  • PDX–DEN, 09/18/26 – 09/25/26: From $382
    18

    Fr

  • PDX–DEN, 09/19/26 – 09/26/26: From $357
    19

    Sa

  • PDX–DEN, 09/20/26 – 09/27/26: From $327
    20

    Su

  • PDX–DEN, 09/21/26 – 09/28/26: From $517
    21

    Mo

  • PDX–DEN, 09/22/26 – 09/29/26: From $317
    22

    Tu

  • PDX–DEN, 09/23/26 – 09/30/26: From $357
    23

    We

  • PDX–DEN, 09/24/26 – 10/01/26: From $327
    24

    Th

  • PDX–DEN: cmp-view-offers-disclaimer. Find Offers
    25

    Fr

  • PDX–DEN: cmp-view-offers-disclaimer. Find Offers
    26

    Sa

  • PDX–DEN, 09/27/26 – 10/02/26: From $327
    27

    Su

    • range$317-$847

    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 Denver flights

    $
    keyboard_arrow_down

    Portland, OR (PDX)to

    Denver (DEN)
    10/14/26 - 10/21/26

    Round trip

    Economy

    from
    $277Fare subject to changes
    Updated: 11 hours ago

    Portland, OR (PDX)to

    Denver (DEN)
    10/17/26 - 10/24/26

    Round trip

    Economy

    from
    $277Fare subject to changes
    Updated: 11 hours ago

    Portland, OR (PDX)to

    Denver (DEN)
    10/20/26 - 10/27/26

    Round trip

    Economy

    from
    $277Fare subject to changes
    Updated: 11 hours ago

    Portland, OR (PDX)to

    Denver (DEN)
    10/21/26 - 10/28/26

    Round trip

    Economy

    from
    $277Fare subject to changes
    Updated: 11 hours ago

    Portland, OR (PDX)to

    Denver (DEN)
    09/29/26 - 10/06/26

    Round trip

    Economy

    from
    $277Fare subject to changes
    Updated: 11 hours ago

    Portland, OR (PDX)to

    Denver (DEN)
    09/30/26 - 10/07/26

    Round trip

    Economy

    from
    $277Fare subject to changes
    Updated: 11 hours ago

    Portland, OR (PDX)to

    Denver (DEN)
    11/11/26 - 11/18/26

    Round trip

    Economy

    from
    $277Fare subject to changes
    Updated: 11 hours ago

    Portland, OR (PDX)to

    Denver (DEN)
    10/07/26 - 10/14/26

    Round trip

    Economy

    from
    $277Fare subject to changes
    Updated: 11 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 Denver

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