American Airlines flights from Denver to Seattle

Recent searches for flights from Denver to Seattle

cmp-daily-histogram-bars-legend-min-price-aria-label $281
cmp-daily-histogram-bars-legend-max-price-aria-label $613
Displaying fares for September-2026
  • DEN–SEA: cmp-view-offers-disclaimer. Find Offers
    15

    Tu

    SEP

  • DEN–SEA, 09/16/26 – 09/23/26: From $589
    16

    We

  • DEN–SEA, 09/17/26 – 09/24/26: From $589
    17

    Th

  • DEN–SEA, 09/18/26 – 09/25/26: From $589
    18

    Fr

  • DEN–SEA, 09/19/26 – 09/26/26: From $589
    19

    Sa

  • DEN–SEA, 09/20/26 – 09/27/26: From $589
    20

    Su

  • DEN–SEA, 09/21/26 – 09/28/26: From $589
    21

    Mo

  • DEN–SEA, 09/22/26 – 09/29/26: From $479
    22

    Tu

  • DEN–SEA, 09/23/26 – 09/30/26: From $479
    23

    We

  • DEN–SEA, 09/24/26 – 10/01/26: From $479
    24

    Th

  • DEN–SEA, 09/25/26 – 10/02/26: From $479
    25

    Fr

  • DEN–SEA, 09/26/26 – 10/03/26: From $479
    26

    Sa

  • DEN–SEA, 09/27/26 – 10/04/26: From $479
    27

    Su

  • DEN–SEA, 09/28/26 – 10/05/26: From $386
    28

    Mo

  • DEN–SEA, 09/29/26 – 10/06/26: From $322
    29

    Tu

  • DEN–SEA, 09/30/26 – 10/07/26: From $322
    30

    We

  • DEN–SEA, 10/01/26 – 10/08/26: From $391
    01

    Th

    OCT

  • DEN–SEA, 10/02/26 – 10/09/26: From $423
    02

    Fr

  • DEN–SEA, 10/03/26 – 10/10/26: From $388
    03

    Sa

  • DEN–SEA, 10/04/26 – 10/11/26: From $449
    04

    Su

  • DEN–SEA, 10/05/26 – 10/12/26: From $483
    05

    Mo

  • DEN–SEA, 10/06/26 – 10/13/26: From $281
    06

    Tu

  • DEN–SEA, 10/07/26 – 10/14/26: From $281
    07

    We

  • DEN–SEA, 10/08/26 – 10/15/26: From $483
    08

    Th

  • DEN–SEA, 10/09/26 – 10/16/26: From $483
    09

    Fr

  • DEN–SEA, 10/10/26 – 10/17/26: From $432
    10

    Sa

  • DEN–SEA, 10/11/26 – 10/18/26: From $613
    11

    Su

  • DEN–SEA, 10/12/26 – 10/19/26: From $411
    12

    Mo

  • DEN–SEA: cmp-view-offers-disclaimer. Find Offers
    13

    Tu

  • DEN–SEA: cmp-view-offers-disclaimer. Find Offers
    14

    We

  • range$281-$613

    Find deals on Denver to Seattle flights

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    Denver (DEN)to

    Seattle (SEA)
    10/20/26 - 10/27/26

    Round trip

    Economy

    from
    $215Fare subject to changes
    Updated: 1 hour ago

    Denver (DEN)to

    Seattle (SEA)
    10/21/26 - 10/28/26

    Round trip

    Economy

    from
    $215Fare subject to changes
    Updated: 1 hour ago

    Denver (DEN)to

    Seattle (SEA)
    12/01/26 - 12/08/26

    Round trip

    Economy

    from
    $215Fare subject to changes
    Updated: 1 hour ago

    Denver (DEN)to

    Seattle (SEA)
    12/08/26 - 12/15/26

    Round trip

    Economy

    from
    $215Fare subject to changes
    Updated: 1 hour ago

    Denver (DEN)to

    Seattle (SEA)
    12/09/26 - 12/16/26

    Round trip

    Economy

    from
    $215Fare subject to changes
    Updated: 1 hour ago

    Denver (DEN)to

    Seattle (SEA)
    11/17/26 - 11/24/26

    Round trip

    Economy

    from
    $215Fare subject to changes
    Updated: 1 hour ago

    Denver (DEN)to

    Seattle (SEA)
    11/18/26 - 11/25/26

    Round trip

    Economy

    from
    $215Fare subject to changes
    Updated: 1 hour ago

    Denver (DEN)to

    Seattle (SEA)
    11/03/26 - 11/10/26

    Round trip

    Economy

    from
    $215Fare 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.

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