American Airlines flights from Seattle to St. John’s, Antigua

Recent searches for flights from Seattle to St. John’s, Antigua

Aug 2026
From$1,108*
Updated: 2 hours ago
Round tripIEconomy
Sep 2026
From$851*
Updated: 2 hours ago
Round tripIEconomy
Oct 2026
From$846*
Updated: 2 hours ago
Round tripIEconomy
cmp-daily-histogram-bars-legend-min-price-aria-label $851
cmp-daily-histogram-bars-legend-max-price-aria-label $3.2K
Displaying fares for August-2026
  • SEA–ANU: cmp-view-offers-disclaimer. Find Offers
    23

    Su

    AUG

  • SEA–ANU, 08/24/26 – 08/31/26: From $1,200
    24

    Mo

  • SEA–ANU, 08/25/26 – 09/01/26: From $1,108
    25

    Tu

  • SEA–ANU, 08/26/26 – 09/02/26: From $1,205
    26

    We

  • SEA–ANU, 08/27/26 – 09/03/26: From $1,200
    27

    Th

  • SEA–ANU, 08/28/26 – 09/04/26: From $1,188
    28

    Fr

  • SEA–ANU, 08/29/26 – 09/05/26: From $1,308
    29

    Sa

  • SEA–ANU, 08/30/26 – 09/06/26: From $1,386
    30

    Su

  • SEA–ANU, 08/31/26 – 09/07/26: From $1,295
    31

    Mo

  • SEA–ANU, 09/01/26 – 09/08/26: From $1,108
    01

    Tu

    SEP

  • SEA–ANU, 09/02/26 – 09/09/26: From $1,981
    02

    We

  • SEA–ANU, 09/03/26 – 09/10/26: From $1,200
    03

    Th

  • SEA–ANU, 09/04/26 – 09/11/26: From $1,188
    04

    Fr

  • SEA–ANU, 09/05/26 – 09/12/26: From $1,138
    05

    Sa

  • SEA–ANU, 09/06/26 – 09/13/26: From $1,205
    06

    Su

  • SEA–ANU, 09/07/26 – 09/14/26: From $1,200
    07

    Mo

  • SEA–ANU, 09/08/26 – 09/15/26: From $1,113
    08

    Tu

  • SEA–ANU, 09/09/26 – 09/16/26: From $1,210
    09

    We

  • SEA–ANU, 09/10/26 – 09/17/26: From $1,200
    10

    Th

  • SEA–ANU, 09/11/26 – 09/18/26: From $1,288
    11

    Fr

  • SEA–ANU, 09/12/26 – 09/19/26: From $1,138
    12

    Sa

  • SEA–ANU, 09/13/26 – 09/20/26: From $1,252
    13

    Su

  • SEA–ANU, 09/14/26 – 09/21/26: From $1,054
    14

    Mo

  • SEA–ANU, 09/15/26 – 09/22/26: From $1,052
    15

    Tu

  • SEA–ANU, 09/16/26 – 09/23/26: From $3,235
    16

    We

  • SEA–ANU, 09/17/26 – 09/24/26: From $1,077
    17

    Th

  • SEA–ANU, 09/18/26 – 09/25/26: From $1,117
    18

    Fr

  • SEA–ANU, 09/19/26 – 09/26/26: From $1,107
    19

    Sa

  • SEA–ANU, 09/20/26 – 09/27/26: From $966
    20

    Su

  • SEA–ANU, 09/21/26 – 09/28/26: From $886
    21

    Mo

  • SEA–ANU, 09/22/26 – 09/29/26: From $851
    22

    Tu

    • range$851-$3,235

    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 Seattle to St. John’s, Antigua flights

    $
    keyboard_arrow_down

    Seattle (SEA)to

    St. John’s, Antigua (ANU)
    10/27/26 - 11/03/26

    Round trip

    Economy

    from
    $846Fare subject to changes
    Updated: 2 hours ago

    Seattle (SEA)to

    St. John’s, Antigua (ANU)
    12/01/26 - 12/08/26

    Round trip

    Economy

    from
    $846Fare subject to changes
    Updated: 2 hours ago

    Seattle (SEA)to

    St. John’s, Antigua (ANU)
    11/03/26 - 11/10/26

    Round trip

    Economy

    from
    $846Fare subject to changes
    Updated: 2 hours ago

    Seattle (SEA)to

    St. John’s, Antigua (ANU)
    11/17/26 - 11/24/26

    Round trip

    Economy

    from
    $846Fare subject to changes
    Updated: 2 hours ago

    Seattle (SEA)to

    St. John’s, Antigua (ANU)
    11/10/26 - 11/17/26

    Round trip

    Economy

    from
    $846Fare subject to changes
    Updated: 2 hours ago

    Seattle (SEA)to

    St. John’s, Antigua (ANU)
    10/13/26 - 10/20/26

    Round trip

    Economy

    from
    $851Fare subject to changes
    Updated: 2 hours ago

    Seattle (SEA)to

    St. John’s, Antigua (ANU)
    09/29/26 - 10/06/26

    Round trip

    Economy

    from
    $851Fare subject to changes
    Updated: 2 hours ago

    Seattle (SEA)to

    St. John’s, Antigua (ANU)
    12/08/26 - 12/15/26

    Round trip

    Economy

    from
    $851Fare subject to changes
    Updated: 2 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 Seattle to St. John’s, Antigua

    Looking for lower fares on your trip from Seattle to St. John’s, Antigua? 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 Seattle to St. John’s, Antigua