Southwest® flights from Kansas City to Seattle/Tacoma from $168

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Low fares from Kansas City to Seattle/Tacoma

$

Kansas City (MCI)to

Seattle/Tacoma (SEA)
Depart: 11/12/2026

One-way

Basic

From
$168
Seen: 20 hrs ago

Kansas City (MCI)to

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

One-way

Basic

From
$168
Seen: 23 hrs ago

Kansas City (MCI)to

Seattle/Tacoma (SEA)
Depart: 01/04/2027

One-way

Basic

From
$168
Seen: 8 hrs ago

Kansas City (MCI)to

Seattle/Tacoma (SEA)
Depart: 12/03/2026

One-way

Basic

From
$168
Seen: 9 hrs ago

Kansas City (MCI)to

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

One-way

Basic

From
$168
Seen: 2 hrs ago

Kansas City (MCI)to

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

One-way

Basic

From
$168
Seen: 5 hrs ago

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Explore flights from Kansas City to Seattle/Tacoma

Oct 2026
From$374*
Seen: 13 hrs ago
One Way/Basic
Nov 2026
From$168*
Seen: 2 hrs ago
One Way/Basic
Dec 2026
From$168*
Seen: 10 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $168
cmp-daily-histogram-bars-legend-max-price-aria-label $529
Displaying fares for October-2026
  • MCI–SEA: cmp-view-offers-disclaimer. Find Offers
    22

    Thu

    OCT

  • MCI–SEA, 10/23/2026: From $519
    23

    Fri

  • MCI–SEA, 10/24/2026: From $524
    24

    Sat

  • MCI–SEA, 10/25/2026: From $529
    25

    Sun

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

    Mon

  • MCI–SEA, 10/27/2026: From $529
    27

    Tue

  • MCI–SEA, 10/28/2026: From $374
    28

    Wed

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

    Thu

  • MCI–SEA: cmp-view-offers-disclaimer. Find Offers
    30

    Fri

  • MCI–SEA, 10/31/2026: From $374
    31

    Sat

  • MCI–SEA, 11/01/2026: From $374
    01

    Sun

    NOV

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

    Mon

  • MCI–SEA, 11/03/2026: From $374
    03

    Tue

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

    Wed

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

    Thu

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

    Fri

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

    Sat

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

    Sun

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

    Mon

  • MCI–SEA, 11/10/2026: From $188
    10

    Tue

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

    Wed

  • MCI–SEA, 11/12/2026: From $168
    12

    Thu

  • MCI–SEA, 11/13/2026: From $188
    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 $168
    17

    Tue

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

    Wed

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

    Thu

  • MCI–SEA, 11/20/2026: From $264
    20

    Fri

  • MCI–SEA, 11/21/2026: From $174
    21

    Sat

    • Range$168-$529

    *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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