Southwest® flights from Kansas City to Seattle/Tacoma from $207

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Low fares from Kansas City to Seattle/Tacoma

$

Kansas City (MCI)to

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

One-way

Basic

From
$207
Seen: 17 hrs ago

Kansas City (MCI)to

Seattle/Tacoma (SEA)
Depart: 12/05/2026

One-way

Basic

From
$207
Seen: 11 hrs ago

Kansas City (MCI)to

Seattle/Tacoma (SEA)
Depart: 11/14/2026

One-way

Basic

From
$207
Seen: 17 hrs ago

Kansas City (MCI)to

Seattle/Tacoma (SEA)
Depart: 11/03/2026

One-way

Basic

From
$207
Seen: 18 hrs ago

Kansas City (MCI)to

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

One-way

Basic

From
$207
Seen: 18 hrs ago

Kansas City (MCI)to

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

One-way

Basic

From
$207
Seen: 17 hrs ago

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Explore flights from Kansas City to Seattle/Tacoma

Oct 2026
From$207*
Seen: 17 hrs ago
One Way/Basic
Nov 2026
From$207*
Seen: 17 hrs ago
One Way/Basic
Dec 2026
From$207*
Seen: 11 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $207
cmp-daily-histogram-bars-legend-max-price-aria-label $519
Displaying fares for October-2026
  • MCI–SEA: cmp-view-offers-disclaimer. Find Offers
    03

    Sat

    OCT

  • MCI–SEA, 10/04/2026: From $519
    04

    Sun

  • MCI–SEA, 10/05/2026: From $519
    05

    Mon

  • MCI–SEA, 10/06/2026: From $519
    06

    Tue

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

    Wed

  • MCI–SEA, 10/08/2026: From $519
    08

    Thu

  • MCI–SEA, 10/09/2026: From $364
    09

    Fri

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

    Sat

  • MCI–SEA, 10/11/2026: From $364
    11

    Sun

  • MCI–SEA, 10/12/2026: From $364
    12

    Mon

  • MCI–SEA, 10/13/2026: From $364
    13

    Tue

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

    Wed

  • MCI–SEA, 10/15/2026: From $304
    15

    Thu

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

    Fri

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

    Sat

  • MCI–SEA, 10/18/2026: From $304
    18

    Sun

  • MCI–SEA, 10/19/2026: From $304
    19

    Mon

  • MCI–SEA, 10/20/2026: From $304
    20

    Tue

  • MCI–SEA, 10/21/2026: From $304
    21

    Wed

  • MCI–SEA, 10/22/2026: From $304
    22

    Thu

  • MCI–SEA, 10/23/2026: From $248
    23

    Fri

  • MCI–SEA, 10/24/2026: From $243
    24

    Sat

  • MCI–SEA, 10/25/2026: From $254
    25

    Sun

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

    Mon

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

    Tue

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

    Wed

  • MCI–SEA, 10/29/2026: From $207
    29

    Thu

  • MCI–SEA, 10/30/2026: From $248
    30

    Fri

  • MCI–SEA: cmp-view-offers-disclaimer. Find Offers
    31

    Sat

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

    Sun

    NOV

  • MCI–SEA: cmp-view-offers-disclaimer. Find Offers
    02

    Mon

    • Range$207-$519

    *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:
    Kansas City International Airport
    Arriving at:
    Seattle/Tacoma International Airport
    Distance:
    1489 miles

    Route Information

    150† 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 150 weekly flights from Kansas City to Seattle/Tacoma on Southwest Airlines.
    To find the lowest fares by day and time to fly Kansas City 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 Kansas City 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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