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: 09/22/2026

One-way

Basic

From
$188
Seen: 22 hrs ago

Hartford/Springfield (BDL)to

Seattle/Tacoma (SEA)
Depart: 10/29/2026

One-way

Basic

From
$219
Seen: 39 minutes ago

Hartford/Springfield (BDL)to

Seattle/Tacoma (SEA)
Depart: 09/19/2026

One-way

Basic

From
$224
Seen: 12 hrs ago

Hartford/Springfield (BDL)to

Seattle/Tacoma (SEA)
Depart: 09/22/2026

One-way

Choice

From
$243
Seen: 22 hrs ago

Hartford/Springfield (BDL)to

Seattle/Tacoma (SEA)
Depart: 10/02/2026

One-way

Basic

From
$250
Seen: 14 hrs ago

Hartford/Springfield (BDL)to

Seattle/Tacoma (SEA)
Depart: 10/29/2026

One-way

Choice

From
$274
Seen: 39 minutes ago

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Explore flights from Hartford/Springfield to Seattle/Tacoma

Aug 2026
From$340*
Seen: 6 hrs ago
One Way/Basic
Sep 2026
From$188*
Seen: 22 hrs ago
One Way/Basic
Oct 2026
From$219*
Seen: 39 minutes ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $224
cmp-daily-histogram-bars-legend-max-price-aria-label $340
Displaying fares for August-2026
  • BDL–SEA: cmp-view-offers-disclaimer. Find Offers
    22

    Sat

    AUG

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

    Sun

  • BDL–SEA, 08/24/2026: From $340
    24

    Mon

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

    Tue

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

    Wed

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

    Thu

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

    Fri

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

    Sat

  • BDL–SEA, 08/30/2026: From $340
    30

    Sun

  • BDL–SEA, 08/31/2026: From $340
    31

    Mon

  • BDL–SEA: cmp-view-offers-disclaimer. Find Offers
    01

    Tue

    SEP

  • BDL–SEA, 09/02/2026: From $275
    02

    Wed

  • BDL–SEA: cmp-view-offers-disclaimer. Find Offers
    03

    Thu

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

    Fri

  • BDL–SEA, 09/05/2026: From $275
    05

    Sat

  • BDL–SEA, 09/06/2026: From $335
    06

    Sun

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

    Mon

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

    Tue

  • BDL–SEA, 09/09/2026: From $275
    09

    Wed

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

    Thu

  • BDL–SEA, 09/11/2026: From $335
    11

    Fri

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

    Sat

  • BDL–SEA, 09/13/2026: From $316
    13

    Sun

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

    Mon

  • BDL–SEA: cmp-view-offers-disclaimer. Find Offers
    15

    Tue

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

    Wed

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

    Thu

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

    Fri

  • BDL–SEA, 09/19/2026: From $224
    19

    Sat

  • BDL–SEA, 09/20/2026: From $321
    20

    Sun

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

    Mon

    • Range$224-$340

    *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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