Southwest® flights from Kansas City to Seattle/Tacoma from $219

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Low fares from Kansas City to Seattle/Tacoma

$

Kansas City (MCI)to

Seattle/Tacoma (SEA)
Depart: 01/27/2027

One-way

Basic

From
$219
Seen: 14 hrs ago

Kansas City (MCI)to

Seattle/Tacoma (SEA)
Depart: 01/26/2027

One-way

Basic

From
$219
Seen: 9 hrs ago

Kansas City (MCI)to

Seattle/Tacoma (SEA)
Depart: 12/16/2026

One-way

Basic

From
$219
Seen: 19 hrs ago

Kansas City (MCI)to

Seattle/Tacoma (SEA)
Depart: 12/09/2026

One-way

Basic

From
$219
Seen: 13 hrs ago

Kansas City (MCI)to

Seattle/Tacoma (SEA)
Depart: 01/06/2027

One-way

Basic

From
$219
Seen: 13 hrs ago

Kansas City (MCI)to

Seattle/Tacoma (SEA)
Depart: 02/10/2027

One-way

Basic

From
$219
Seen: 3 hrs ago

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Explore flights from Kansas City to Seattle/Tacoma

Nov 2026
From$319*
Seen: 12 hrs ago
One Way/Basic
Dec 2026
From$219*
Seen: 13 hrs ago
One Way/Basic
Jan 2027
From$219*
Seen: 13 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $219
cmp-daily-histogram-bars-legend-max-price-aria-label $539
Displaying fares for November-2026
  • MCI–SEA, 11/12/2026: From $539
    12

    Thu

    NOV

  • MCI–SEA, 11/13/2026: From $539
    13

    Fri

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

    Sat

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

    Sun

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

    Mon

  • MCI–SEA, 11/17/2026: From $539
    17

    Tue

  • MCI–SEA, 11/18/2026: From $369
    18

    Wed

  • MCI–SEA, 11/19/2026: From $369
    19

    Thu

  • MCI–SEA, 11/20/2026: From $369
    20

    Fri

  • MCI–SEA, 11/21/2026: From $369
    21

    Sat

  • MCI–SEA: cmp-view-offers-disclaimer. Find Offers
    22

    Sun

  • MCI–SEA, 11/23/2026: From $369
    23

    Mon

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

    Tue

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

    Wed

  • MCI–SEA, 11/26/2026: From $319
    26

    Thu

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

    Fri

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

    Sat

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

    Sun

  • MCI–SEA, 11/30/2026: From $369
    30

    Mon

  • MCI–SEA, 12/01/2026: From $319
    01

    Tue

    DEC

  • MCI–SEA, 12/02/2026: From $219
    02

    Wed

  • MCI–SEA, 12/03/2026: From $239
    03

    Thu

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    04

    Fri

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

    Sat

  • MCI–SEA: cmp-view-offers-disclaimer. Find Offers
    06

    Sun

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

    Mon

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

    Tue

  • MCI–SEA, 12/09/2026: From $219
    09

    Wed

  • MCI–SEA, 12/10/2026: From $239
    10

    Thu

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

    Fri

    • Range$219-$539

    *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

    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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