Southwest® flights from Hartford/Springfield to Seattle/Tacoma from $188

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Low fares from Hartford/Springfield to Seattle/Tacoma

$

Hartford/Springfield (BDL)to

Seattle/Tacoma (SEA)
Depart: 10/27/2026

One-way

Basic

From
$188
Seen: 20 hrs ago

Hartford/Springfield (BDL)to

Seattle/Tacoma (SEA)
Depart: 11/12/2026

One-way

Basic

From
$219
Seen: 20 hrs ago

Hartford/Springfield (BDL)to

Seattle/Tacoma (SEA)
Depart: 10/26/2026

One-way

Basic

From
$219
Seen: 19 hrs ago

Hartford/Springfield (BDL)to

Seattle/Tacoma (SEA)
Depart: 10/30/2026

One-way

Basic

From
$242
Seen: 10 hrs ago

Hartford/Springfield (BDL)to

Seattle/Tacoma (SEA)
Depart: 10/31/2026

One-way

Basic

From
$242
Seen: 10 hrs ago

Hartford/Springfield (BDL)to

Seattle/Tacoma (SEA)
Depart: 10/27/2026

One-way

Choice

From
$243
Seen: 20 hrs ago

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Explore flights from Hartford/Springfield to Seattle/Tacoma

Sep 2026
From$285*
Seen: 17 hrs ago
One Way/Basic
Oct 2026
From$188*
Seen: 20 hrs ago
One Way/Basic
Nov 2026
From$219*
Seen: 20 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $285
Displaying fares for September-2026
  • BDL–SEA, 09/12/2026: From $285
    12

    Sat

    SEP

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

    Sun

  • BDL–SEA, 09/14/2026: From $350
    14

    Mon

  • BDL–SEA, 09/15/2026: From $285
    15

    Tue

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

    Wed

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    17

    Thu

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    18

    Fri

  • BDL–SEA, 09/19/2026: From $285
    19

    Sat

  • BDL–SEA, 09/20/2026: From $459
    20

    Sun

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

    Mon

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    22

    Tue

  • BDL–SEA: cmp-view-offers-disclaimer. Find Offers
    23

    Wed

  • BDL–SEA: cmp-view-offers-disclaimer. Find Offers
    24

    Thu

  • BDL–SEA: cmp-view-offers-disclaimer. Find Offers
    25

    Fri

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

    Sat

  • BDL–SEA: cmp-view-offers-disclaimer. Find Offers
    27

    Sun

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

    Mon

  • BDL–SEA: cmp-view-offers-disclaimer. Find Offers
    29

    Tue

  • BDL–SEA: cmp-view-offers-disclaimer. Find Offers
    30

    Wed

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    01

    Thu

    OCT

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    02

    Fri

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    03

    Sat

  • BDL–SEA, 10/04/2026: From $335
    04

    Sun

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    05

    Mon

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    06

    Tue

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    07

    Wed

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    08

    Thu

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    09

    Fri

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    10

    Sat

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

    Sun

    • Range$285-$459

    *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

    Route Information

    44† Weekly flights

    † Weekly flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025. Note: route may not operate every day of the week.

    ‡ Nonstop flights based on DOT published scheduled average flights Monday through Sunday between 9/1/2025 and 9/30/2025.

    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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