Southwest® flights from Hartford/Springfield to Seattle/Tacoma from $129

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Low fares from Hartford/Springfield to Seattle/Tacoma

$

Hartford/Springfield (BDL)to

Seattle/Tacoma (SEA)
Depart: 11/09/2026

One-way

Basic

From
$129
Seen: 12 hrs ago

Hartford/Springfield (BDL)to

Seattle/Tacoma (SEA)
Depart: 12/14/2026

One-way

Basic

From
$129
Seen: 11 hrs ago

Hartford/Springfield (BDL)to

Seattle/Tacoma (SEA)
Depart: 01/20/2027

One-way

Basic

From
$129
Seen: 2 hrs ago

Hartford/Springfield (BDL)to

Seattle/Tacoma (SEA)
Depart: 01/11/2027

One-way

Basic

From
$129
Seen: 8 hrs ago

Hartford/Springfield (BDL)to

Seattle/Tacoma (SEA)
Depart: 01/19/2027

One-way

Basic

From
$129
Seen: 4 hrs ago

Hartford/Springfield (BDL)to

Seattle/Tacoma (SEA)
Depart: 12/16/2026

One-way

Basic

From
$129
Seen: 8 hrs ago

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Explore flights from Hartford/Springfield to Seattle/Tacoma

Oct 2026
From$295*
Seen: 8 hrs ago
One Way/Basic
Nov 2026
From$129*
Seen: 12 hrs ago
One Way/Basic
Dec 2026
From$129*
Seen: 11 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $129
cmp-daily-histogram-bars-legend-max-price-aria-label $465
Displaying fares for October-2026
  • BDL–SEA, 10/22/2026: From $360
    22

    Thu

    OCT

  • BDL–SEA, 10/23/2026: From $360
    23

    Fri

  • BDL–SEA, 10/24/2026: From $295
    24

    Sat

  • BDL–SEA, 10/25/2026: From $465
    25

    Sun

  • BDL–SEA: cmp-view-offers-disclaimer. Find Offers
    26

    Mon

  • BDL–SEA, 10/27/2026: From $295
    27

    Tue

  • BDL–SEA: cmp-view-offers-disclaimer. Find Offers
    28

    Wed

  • BDL–SEA, 10/29/2026: From $360
    29

    Thu

  • BDL–SEA, 10/30/2026: From $360
    30

    Fri

  • BDL–SEA, 10/31/2026: From $300
    31

    Sat

  • BDL–SEA, 11/01/2026: From $373
    01

    Sun

    NOV

  • BDL–SEA, 11/02/2026: From $360
    02

    Mon

  • BDL–SEA, 11/03/2026: From $295
    03

    Tue

  • BDL–SEA: cmp-view-offers-disclaimer. Find Offers
    04

    Wed

  • BDL–SEA: cmp-view-offers-disclaimer. Find Offers
    05

    Thu

  • BDL–SEA, 11/06/2026: From $355
    06

    Fri

  • BDL–SEA: cmp-view-offers-disclaimer. Find Offers
    07

    Sat

  • BDL–SEA: cmp-view-offers-disclaimer. Find Offers
    08

    Sun

  • BDL–SEA, 11/09/2026: From $129
    09

    Mon

  • BDL–SEA: cmp-view-offers-disclaimer. Find Offers
    10

    Tue

  • BDL–SEA: cmp-view-offers-disclaimer. Find Offers
    11

    Wed

  • BDL–SEA: cmp-view-offers-disclaimer. Find Offers
    12

    Thu

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

    Fri

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

    Sat

  • BDL–SEA, 11/15/2026: From $326
    15

    Sun

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

    Mon

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

    Tue

  • BDL–SEA: cmp-view-offers-disclaimer. Find Offers
    18

    Wed

  • BDL–SEA: cmp-view-offers-disclaimer. Find Offers
    19

    Thu

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    20

    Fri

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

    Sat

    • Range$129-$465

    *Fares displayed have been collected within the last 24 hours and may no longer be available at time of booking. Additional fees and charges for optional products and services may apply. Modifying this information may result in a different fare. To find the most updated fare, please visit Southwest.com. Fares listed are Basic, which are subject to additional terms and conditions.

    Flight Details

    Departing from:
    Bradley International Airport
    Arriving at:
    Seattle/Tacoma International Airport
    Distance:
    2431 miles

    Questions we hear the most

    There are 44 weekly flights from Hartford/Springfield to Seattle/Tacoma on Southwest Airlines.
    To find the lowest fares by day and time to fly Hartford/Springfield to Seattle/Tacoma with Southwest, check out our Low Fare Calendar.
    You can rent a car at Seattle/Tacoma International Airport book yours with your flight.
    Yes! Flights from Hartford/Springfield to Seattle/Tacoma—or from here or there to anywhere—can be changed with no change fees. Fare difference may apply.
    Check the status of your upcoming Southwest flight.
    Check out the Southwest Airlines® Help Center for answers about everything Southwest.

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