American Airlines flights from Bellingham to Seattle

Recent searches for flights from Bellingham to Seattle

Sep 2026
From$547*
Updated: 10 hours ago
Round tripIEconomy
Oct 2026
From$297*
Updated: 10 hours ago
Round tripIEconomy
Nov 2026
From$427*
Updated: 10 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $447
cmp-daily-histogram-bars-legend-max-price-aria-label $742
Displaying fares for September-2026
  • BLI–SEA: cmp-view-offers-disclaimer. Find Offers
    15

    Tu

    SEP

  • BLI–SEA: cmp-view-offers-disclaimer. Find Offers
    16

    We

  • BLI–SEA: cmp-view-offers-disclaimer. Find Offers
    17

    Th

  • BLI–SEA, 09/18/26 – 09/25/26: From $712
    18

    Fr

  • BLI–SEA, 09/19/26 – 09/26/26: From $672
    19

    Sa

  • BLI–SEA, 09/20/26 – 09/27/26: From $742
    20

    Su

  • BLI–SEA: cmp-view-offers-disclaimer. Find Offers
    21

    Mo

  • BLI–SEA, 09/22/26 – 09/29/26: From $662
    22

    Tu

  • BLI–SEA, 09/23/26 – 09/30/26: From $577
    23

    We

  • BLI–SEA, 09/24/26 – 10/01/26: From $547
    24

    Th

  • BLI–SEA, 09/25/26 – 10/02/26: From $582
    25

    Fr

  • BLI–SEA, 09/26/26 – 10/03/26: From $622
    26

    Sa

  • BLI–SEA, 09/27/26 – 10/04/26: From $547
    27

    Su

  • BLI–SEA, 09/28/26 – 10/05/26: From $607
    28

    Mo

  • BLI–SEA, 09/29/26 – 10/06/26: From $647
    29

    Tu

  • BLI–SEA, 09/30/26 – 10/07/26: From $662
    30

    We

  • BLI–SEA, 10/01/26 – 10/08/26: From $742
    01

    Th

    OCT

  • BLI–SEA, 10/02/26 – 10/09/26: From $607
    02

    Fr

  • BLI–SEA, 10/03/26 – 10/10/26: From $577
    03

    Sa

  • BLI–SEA, 10/04/26 – 10/11/26: From $547
    04

    Su

  • BLI–SEA, 10/05/26 – 10/12/26: From $607
    05

    Mo

  • BLI–SEA, 10/06/26 – 10/13/26: From $512
    06

    Tu

  • BLI–SEA, 10/07/26 – 10/14/26: From $542
    07

    We

  • BLI–SEA, 10/08/26 – 10/15/26: From $717
    08

    Th

  • BLI–SEA, 10/09/26 – 10/16/26: From $457
    09

    Fr

  • BLI–SEA, 10/10/26 – 10/17/26: From $447
    10

    Sa

  • BLI–SEA, 10/11/26 – 10/18/26: From $497
    11

    Su

  • BLI–SEA, 10/12/26 – 10/19/26: From $607
    12

    Mo

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

    Tu

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

    We

    • range$447-$742

    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 Bellingham to Seattle flights

    $
    keyboard_arrow_down

    Bellingham (BLI)to

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

    Round trip

    Economy

    from
    $287Fare subject to changes
    Updated: 10 hours ago

    Bellingham (BLI)to

    Seattle (SEA)
    12/05/26 - 12/12/26

    Round trip

    Economy

    from
    $287Fare subject to changes
    Updated: 10 hours ago

    Bellingham (BLI)to

    Seattle (SEA)
    12/02/26 - 12/09/26

    Round trip

    Economy

    from
    $297Fare subject to changes
    Updated: 10 hours ago

    Bellingham (BLI)to

    Seattle (SEA)
    12/04/26 - 12/11/26

    Round trip

    Economy

    from
    $297Fare subject to changes
    Updated: 10 hours ago

    Bellingham (BLI)to

    Seattle (SEA)
    10/31/26 - 11/07/26

    Round trip

    Economy

    from
    $297Fare subject to changes
    Updated: 10 hours ago

    Bellingham (BLI)to

    Seattle (SEA)
    12/03/26 - 12/10/26

    Round trip

    Economy

    from
    $297Fare subject to changes
    Updated: 10 hours ago

    Bellingham (BLI)to

    Seattle (SEA)
    12/06/26 - 12/13/26

    Round trip

    Economy

    from
    $297Fare subject to changes
    Updated: 10 hours ago

    Bellingham (BLI)to

    Seattle (SEA)
    12/07/26 - 12/14/26

    Round trip

    Economy

    from
    $297Fare subject to changes
    Updated: 10 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 Bellingham to Seattle

    Looking for lower fares on your trip from Bellingham to Seattle? 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

    Citi / AAdvantage credit card offer.

    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 Bellingham to Seattle

    Popular destinations with American Airlines