Alaska Airlines Flights from Kansas City to Seattle

Lowest fares from Kansas City to Seattle

Aug 2026
From$183*
Seen: 13 hours ago
Flight Type One Way|Saver
Sep 2026
From$169*
Seen: 13 hours ago
Flight Type One Way|Saver
Oct 2026
From$183*
Seen: 13 hours ago
Flight Type One Way|Saver
cmp-daily-histogram-bars-legend-min-price-aria-label $169
cmp-daily-histogram-bars-legend-max-price-aria-label $564
Displaying fares for August-2026
  • MCI–SEA, Aug 8, 2026: From $564
    08

    Sa

    AUG

  • MCI–SEA, Aug 9, 2026: From $352
    09

    Su

  • MCI–SEA, Aug 10, 2026: From $499
    10

    Mo

  • MCI–SEA, Aug 11, 2026: From $499
    11

    Tu

  • MCI–SEA, Aug 12, 2026: From $479
    12

    We

  • MCI–SEA, Aug 13, 2026: From $479
    13

    Th

  • MCI–SEA, Aug 14, 2026: From $479
    14

    Fr

  • MCI–SEA, Aug 15, 2026: From $354
    15

    Sa

  • MCI–SEA, Aug 16, 2026: From $374
    16

    Su

  • MCI–SEA, Aug 17, 2026: From $354
    17

    Mo

  • MCI–SEA, Aug 18, 2026: From $354
    18

    Tu

  • MCI–SEA, Aug 19, 2026: From $354
    19

    We

  • MCI–SEA, Aug 20, 2026: From $354
    20

    Th

  • MCI–SEA, Aug 21, 2026: From $284
    21

    Fr

  • MCI–SEA, Aug 22, 2026: From $284
    22

    Sa

  • MCI–SEA, Aug 23, 2026: From $284
    23

    Su

  • MCI–SEA, Aug 24, 2026: From $284
    24

    Mo

  • MCI–SEA, Aug 25, 2026: From $284
    25

    Tu

  • MCI–SEA, Aug 26, 2026: From $284
    26

    We

  • MCI–SEA, Aug 27, 2026: From $284
    27

    Th

  • MCI–SEA, Aug 28, 2026: From $216
    28

    Fr

  • MCI–SEA, Aug 29, 2026: From $183
    29

    Sa

  • MCI–SEA, Aug 30, 2026: From $239
    30

    Su

  • MCI–SEA, Aug 31, 2026: From $183
    31

    Mo

  • MCI–SEA, Sep 1, 2026: From $183
    01

    Tu

    SEP

  • MCI–SEA, Sep 2, 2026: From $219
    02

    We

  • MCI–SEA, Sep 3, 2026: From $284
    03

    Th

  • MCI–SEA, Sep 4, 2026: From $284
    04

    Fr

  • MCI–SEA, Sep 5, 2026: From $183
    05

    Sa

  • MCI–SEA, Sep 6, 2026: From $169
    06

    Su

  • MCI–SEA, Sep 7, 2026: From $203
    07

    Mo

    • Range$169-$564

    *Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

    One-way low-fare flights Kansas City to Seattle.*

    $
    keyboard_arrow_down
    One-way low-fare flights Kansas City to Seattle.*
    From
    To
    Fare Type
    Dates
    Price
    Kansas City (MCI)Seattle (SEA)One-way
    |
    Saver    		Depart: Sep 6, 2026

    From

    $169

    Seen: 13 hours ago

    Kansas City (MCI)Seattle (SEA)One-way
    |
    Saver    		Depart: Nov 9, 2026

    From

    $183

    Seen: 13 hours ago

    Kansas City (MCI)Seattle (SEA)One-way
    |
    Saver    		Depart: Nov 10, 2026

    From

    $183

    Seen: 13 hours ago

    Kansas City (MCI)Seattle (SEA)One-way
    |
    Saver    		Depart: Nov 12, 2026

    From

    $183

    Seen: 13 hours ago

    Kansas City (MCI)Seattle (SEA)One-way
    |
    Saver    		Depart: Nov 16, 2026

    From

    $183

    Seen: 13 hours ago

    Kansas City (MCI)Seattle (SEA)One-way
    |
    Saver    		Depart: Dec 5, 2026

    From

    $183

    Seen: 13 hours ago

    Kansas City (MCI)Seattle (SEA)One-way
    |
    Saver    		Depart: Dec 9, 2026

    From

    $183

    Seen: 13 hours ago

    Kansas City (MCI)Seattle (SEA)One-way
    |
    Saver    		Depart: Jan 11, 2027

    From

    $183

    Seen: 13 hours ago

    *Displayed prices have been available within the past 24 hours and may not be available at the time of booking. Fares listed may be Saver fares, which is our most restrictive fare option and subject to additional restrictions. For roundtrip journeys, the price displayed—available within the past 24 hours—is the aggregate of the lowest available fare each way. Additional baggage charges and fees for optional products and services may apply. Other terms and conditions may apply.

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