Southwest® flights from Kansas City to Seattle/Tacoma from $199

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Low fares from Kansas City to Seattle/Tacoma

$

Kansas City (MCI)to

Seattle/Tacoma (SEA)
Depart: 11/04/2026

One-way

Basic

From
$199
Seen: 22 hrs ago

Kansas City (MCI)to

Seattle/Tacoma (SEA)
Depart: 11/18/2026

One-way

Basic

From
$199
Seen: 6 hrs ago

Kansas City (MCI)to

Seattle/Tacoma (SEA)
Depart: 12/15/2026

One-way

Basic

From
$199
Seen: 10 hrs ago

Kansas City (MCI)to

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

One-way

Basic

From
$199
Seen: 18 hrs ago

Kansas City (MCI)to

Seattle/Tacoma (SEA)
Depart: 11/07/2026

One-way

Basic

From
$199
Seen: 20 hrs ago

Kansas City (MCI)to

Seattle/Tacoma (SEA)
Depart: 11/17/2026

One-way

Basic

From
$199
Seen: 5 hrs ago

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Explore flights from Kansas City to Seattle/Tacoma

Sep 2026
From$284*
Seen: 12 hrs ago
One Way/Basic
Oct 2026
From$199*
Seen: 4 hrs ago
One Way/Basic
Nov 2026
From$199*
Seen: 20 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $199
cmp-daily-histogram-bars-legend-max-price-aria-label $489
Displaying fares for September-2026
  • MCI–SEA, 09/11/2026: From $489
    11

    Fri

    SEP

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

    Sat

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

    Sun

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

    Mon

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

    Tue

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

    Wed

  • MCI–SEA, 09/17/2026: From $354
    17

    Thu

  • MCI–SEA, 09/18/2026: From $354
    18

    Fri

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

    Sat

  • MCI–SEA, 09/20/2026: From $354
    20

    Sun

  • MCI–SEA, 09/21/2026: From $354
    21

    Mon

  • MCI–SEA, 09/22/2026: From $354
    22

    Tue

  • MCI–SEA, 09/23/2026: From $354
    23

    Wed

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    24

    Thu

  • MCI–SEA, 09/25/2026: From $304
    25

    Fri

  • MCI–SEA, 09/26/2026: From $284
    26

    Sat

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

    Sun

  • MCI–SEA, 09/28/2026: From $294
    28

    Mon

  • MCI–SEA, 09/29/2026: From $294
    29

    Tue

  • MCI–SEA, 09/30/2026: From $294
    30

    Wed

  • MCI–SEA, 10/01/2026: From $200
    01

    Thu

    OCT

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

    Fri

  • MCI–SEA, 10/03/2026: From $200
    03

    Sat

  • MCI–SEA, 10/04/2026: From $254
    04

    Sun

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

    Mon

  • MCI–SEA, 10/06/2026: From $200
    06

    Tue

  • MCI–SEA, 10/07/2026: From $200
    07

    Wed

  • MCI–SEA, 10/08/2026: From $238
    08

    Thu

  • MCI–SEA, 10/09/2026: From $218
    09

    Fri

  • MCI–SEA, 10/10/2026: From $199
    10

    Sat

    • Range$199-$489

    *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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