Southwest® flights from Seattle/Tacoma to Kansas City from $159

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Low fares from Seattle/Tacoma to Kansas City

$

Seattle/Tacoma (SEA)to

Kansas City (MCI)
Depart: 09/26/2026

One-way

Basic

From
$159
Seen: 2 hrs ago

Seattle/Tacoma (SEA)to

Kansas City (MCI)
Depart: 09/16/2026

One-way

Basic

From
$169
Seen: 11 hrs ago

Seattle/Tacoma (SEA)to

Kansas City (MCI)
Depart: 09/24/2026

One-way

Basic

From
$169
Seen: 18 hrs ago

Seattle/Tacoma (SEA)to

Kansas City (MCI)
Depart: 09/22/2026

One-way

Basic

From
$169
Seen: 14 hrs ago

Seattle/Tacoma (SEA)to

Kansas City (MCI)
Depart: 09/12/2026

One-way

Basic

From
$169
Seen: 9 hrs ago

Seattle/Tacoma (SEA)to

Kansas City (MCI)
Depart: 09/10/2026

One-way

Basic

From
$169
Seen: 9 hrs ago

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Explore flights from Seattle/Tacoma to Kansas City

Aug 2026
From$354*
Seen: 3 hrs ago
One Way/Basic
Sep 2026
From$159*
Seen: 2 hrs ago
One Way/Basic
Oct 2026
From$169*
Seen: 14 hrs ago
One Way/Basic
cmp-daily-histogram-bars-legend-min-price-aria-label $169
cmp-daily-histogram-bars-legend-max-price-aria-label $479
Displaying fares for August-2026
  • SEA–MCI: cmp-view-offers-disclaimer. Find Offers
    21

    Fri

    AUG

  • SEA–MCI, 08/22/2026: From $469
    22

    Sat

  • SEA–MCI, 08/23/2026: From $479
    23

    Sun

  • SEA–MCI, 08/24/2026: From $479
    24

    Mon

  • SEA–MCI, 08/25/2026: From $479
    25

    Tue

  • SEA–MCI, 08/26/2026: From $479
    26

    Wed

  • SEA–MCI, 08/27/2026: From $354
    27

    Thu

  • SEA–MCI, 08/28/2026: From $354
    28

    Fri

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

    Sat

  • SEA–MCI, 08/30/2026: From $354
    30

    Sun

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

    Mon

  • SEA–MCI, 09/01/2026: From $354
    01

    Tue

    SEP

  • SEA–MCI, 09/02/2026: From $354
    02

    Wed

  • SEA–MCI: cmp-view-offers-disclaimer. Find Offers
    03

    Thu

  • SEA–MCI, 09/04/2026: From $284
    04

    Fri

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

    Sat

  • SEA–MCI, 09/06/2026: From $284
    06

    Sun

  • SEA–MCI, 09/07/2026: From $414
    07

    Mon

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

    Tue

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

    Wed

  • SEA–MCI, 09/10/2026: From $169
    10

    Thu

  • SEA–MCI, 09/11/2026: From $188
    11

    Fri

  • SEA–MCI, 09/12/2026: From $169
    12

    Sat

  • SEA–MCI, 09/13/2026: From $224
    13

    Sun

  • SEA–MCI, 09/14/2026: From $199
    14

    Mon

  • SEA–MCI, 09/15/2026: From $169
    15

    Tue

  • SEA–MCI, 09/16/2026: From $169
    16

    Wed

  • SEA–MCI, 09/17/2026: From $174
    17

    Thu

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

    Fri

  • SEA–MCI, 09/19/2026: From $183
    19

    Sat

  • SEA–MCI, 09/20/2026: From $224
    20

    Sun

    • Range$169-$479

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

    Route Information

    145† 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 145 weekly flights from Seattle/Tacoma to Kansas City on Southwest Airlines.
    To find the lowest fares by day and time to fly Seattle/Tacoma to Kansas City with Southwest, check out our Low Fare Calendar.
    You can rent a car at Kansas City International Airport book yours with your flight.
    Yes! Flights from Seattle/Tacoma to Kansas City—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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