Southwest® flights from Jacksonville to Seattle/Tacoma from $189

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Low fares from Jacksonville to Seattle/Tacoma

$

Jacksonville (JAX)to

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

One-way

Basic

From
$189
Seen: 23 hrs ago

Jacksonville (JAX)to

Seattle/Tacoma (SEA)
Depart: 09/14/2026

One-way

Basic

From
$196
Seen: 15 hrs ago

Jacksonville (JAX)to

Seattle/Tacoma (SEA)
Depart: 11/05/2026

One-way

Basic

From
$196
Seen: 13 hrs ago

Jacksonville (JAX)to

Seattle/Tacoma (SEA)
Depart: 09/01/2026

One-way

Basic

From
$196
Seen: 9 hrs ago

Jacksonville (JAX)to

Seattle/Tacoma (SEA)
Depart: 09/15/2026

One-way

Basic

From
$196
Seen: 21 hrs ago

Jacksonville (JAX)to

Seattle/Tacoma (SEA)
Depart: 08/24/2026

One-way

Basic

From
$196
Seen: 10 hrs ago

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Explore flights from Jacksonville to Seattle/Tacoma

Aug 2026
From$196*
Seen: 10 hrs ago
One Way/Basic
Sep 2026
From$189*
Seen: 23 hrs ago
One Way/Basic
Oct 2026
From$196*
Seen: 2 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $196
cmp-daily-histogram-bars-legend-max-price-aria-label $574
Displaying fares for August-2026
  • JAX–SEA: cmp-view-offers-disclaimer. Find Offers
    03

    Mon

    AUG

  • JAX–SEA, 08/04/2026: From $574
    04

    Tue

  • JAX–SEA, 08/05/2026: From $574
    05

    Wed

  • JAX–SEA, 08/06/2026: From $574
    06

    Thu

  • JAX–SEA, 08/07/2026: From $574
    07

    Fri

  • JAX–SEA, 08/08/2026: From $574
    08

    Sat

  • JAX–SEA: cmp-view-offers-disclaimer. Find Offers
    09

    Sun

  • JAX–SEA, 08/10/2026: From $509
    10

    Mon

  • JAX–SEA, 08/11/2026: From $509
    11

    Tue

  • JAX–SEA, 08/12/2026: From $509
    12

    Wed

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    13

    Thu

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    14

    Fri

  • JAX–SEA, 08/15/2026: From $509
    15

    Sat

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    16

    Sun

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    17

    Mon

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    18

    Tue

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    19

    Wed

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    20

    Thu

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    21

    Fri

  • JAX–SEA, 08/22/2026: From $304
    22

    Sat

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

    Sun

  • JAX–SEA, 08/24/2026: From $196
    24

    Mon

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    25

    Tue

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    26

    Wed

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    27

    Thu

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    28

    Fri

  • JAX–SEA, 08/29/2026: From $220
    29

    Sat

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    30

    Sun

  • JAX–SEA, 08/31/2026: From $196
    31

    Mon

  • JAX–SEA, 09/01/2026: From $196
    01

    Tue

    SEP

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    02

    Wed

    • Range$196-$574

    *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:
    Jacksonville International Airport
    Arriving at:
    Seattle/Tacoma International Airport
    Distance:
    2443 miles

    Route Information

    41† 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 41 weekly flights from Jacksonville to Seattle/Tacoma on Southwest Airlines.
    To find the lowest fares by day and time to fly Jacksonville 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 Jacksonville 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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