Trip.com
>
Flights
>
Flights to United States
>
Flights to Washington
>
Flights to Seattle
>
Kansas City to Seattle flight
>
Kansas City International Airport to Seattle Tacoma Intl. Airport flight

Explore the cheapest one-way and round-trip flights from Kansas City International Airport to Seattle Tacoma Intl. Airport over the next 90 days, with one-way fares from €95 and round-trip from €217. Based on Trip.com's latest 7-day flight data.

      • Cheapest nonstop
        MCI 7:24 AM
        3h 51m
        Nonstop
        SEA 9:15 AM
        Kansas City - Seattle | Sat, Sep 26 | Delta Air Lines
        SEA 5:40 PM
        3h 36m
        Nonstop
        MCI 11:16 PM
        Seattle - Kansas City | Wed, Sep 30 | Delta Air Lines
        €288 €406
        28% off
        28% off
        €406 €288
      • MCI 7:00 AM
        3h 57m
        Nonstop
        SEA 8:57 AM
        Kansas City - Seattle | Sat, Sep 26 | Alaska Airlines
        SEA 6:27 PM
        3h 32m
        Nonstop
        MCI 11:59 PM
        Seattle - Kansas City | Wed, Sep 30 | Alaska Airlines
        €288 €406
        28% off
        28% off
        €406 €288
      • MCI 10:30 PM
        21h 58m
        1 stop
        SEA 6:28 PM
        Kansas City - Seattle | Sat, Sep 26 | Frontier Airlines
        SEA 4:27 PM
        25h 10m
        1 stop
        MCI 7:37 PM
        Seattle - Kansas City | Wed, Sep 30 | Frontier Airlines
        €217 €406
        47% off
        47% off
        €406 €217
      • MCI 8:43 PM
        20h 29m
        1 stop
        SEA 3:12 PM
        Kansas City - Seattle | Sun, Oct 25 | Frontier Airlines
        SEA 12:21 PM
        7h 36m
        1 stop
        MCI 9:57 PM
        Seattle - Kansas City | Thu, Oct 29 | Alaska Airlines
        €231
        43% off
        €406 €231
      • MCI 6:53 AM
        9h 59m
        1 stop
        SEA 2:52 PM
        Kansas City - Seattle | Sat, Oct 24 | American Airlines
        SEA 7:30 AM
        7h 5m
        1 stop
        MCI 4:35 PM
        Seattle - Kansas City | Thu, Oct 29 | American Airlines
        €233
        43% off
        €406 €233
      • MCI 8:43 PM
        20h 29m
        1 stop
        SEA 3:12 PM
        Kansas City - Seattle | Sat, Oct 24 | Frontier Airlines
        SEA 11:59 PM
        6h 43m
        1 stop
        MCI 8:42 AM
        Seattle - Kansas City | Thu, Oct 29 | American Airlines
        €240
        41% off
        €406 €240
      • MCI 8:32 PM
        20h 36m
        1 stop
        SEA 3:08 PM
        Kansas City - Seattle | Tue, Oct 6 | Frontier Airlines
        SEA 4:27 PM
        25h 10m
        1 stop
        MCI 7:37 PM
        Seattle - Kansas City | Thu, Oct 8 | Frontier Airlines
        €242
        40% off
        €406 €242
      • MCI 5:25 AM
        7h 49m
        1 stop
        SEA 11:14 AM
        Kansas City - Seattle | Sun, Oct 25 | American Airlines
        SEA 5:00 AM
        6h 40m
        1 stop
        MCI 1:40 PM
        Seattle - Kansas City | Thu, Oct 29 | American Airlines
        €252
        38% off
        €406 €252
      • MCI 8:32 PM
        20h 36m
        1 stop
        SEA 3:08 PM
        Kansas City - Seattle | Sun, Sep 27 | Frontier Airlines
        SEA 9:45 PM
        22h
        1 stop
        MCI 9:45 PM
        Seattle - Kansas City | Tue, Sep 29 | Frontier Airlines
        €252
        38% off
        €406 €252
      • MCI 2:53 PM
        5h 58m
        1 stop
        SEA 6:51 PM
        Kansas City - Seattle | Sat, Sep 26 | Alaska Airlines
        SEA 4:27 PM
        25h 10m
        1 stop
        MCI 7:37 PM
        Seattle - Kansas City | Wed, Sep 30 | Frontier Airlines
        €255
        37% off
        €406 €255
      • MCI 2:57 PM
        5h 55m
        1 stop
        SEA 6:52 PM
        Kansas City - Seattle | Sat, Oct 24 | Delta Air Lines
        SEA 1:40 PM
        8h 16m
        1 stop
        MCI 11:56 PM
        Seattle - Kansas City | Wed, Oct 28 | Delta Air Lines
        €255
        37% off
        €406 €255
      • MCI 2:10 PM
        9h 55m
        1 stop
        SEA 10:05 PM
        Kansas City - Seattle | Sun, Oct 25 | Delta Air Lines
        SEA 7:15 AM
        7h 52m
        1 stop
        MCI 5:07 PM
        Seattle - Kansas City | Thu, Oct 29 | Delta Air Lines
        €255
        37% off
        €406 €255
      • MCI 8:43 PM
        20h 29m
        1 stop
        SEA 3:12 PM
        Kansas City - Seattle | Sun, Nov 1 | Frontier Airlines
        SEA 4:27 PM
        25h 20m
        1 stop
        MCI 7:47 PM
        Seattle - Kansas City | Wed, Nov 4 | Frontier Airlines
        €264
        35% off
        €406 €264
      • MKC 1:00 PM
        17h 25m
        1 stop
        SEA 2:00 PM
        Kansas City - Seattle | Sat, Sep 26 | Normal Airline
        SEA 3:00 PM
        6h
        Nonstop
        MKC 4:00 PM
        Seattle - Kansas City | Mon, Sep 28 | Normal Airline
        Find more flights
        Find more flights
      • Cheapest nonstop
        MCI 2:52 PM
        4h 4m
        Nonstop
        SEA 4:56 PM
        Kansas City - Seattle | Fri, Nov 13 | Alaska Airlines
        €124 €175
        28% off
        28% off
        €175 €124
      • MCI 8:43 PM
        20h 29m
        1 stop
        SEA 3:12 PM
        Kansas City - Seattle | Fri, Oct 23 | Frontier Airlines
        €95 €175
        46% off
        46% off
        €175 €95
      • MCI 2:17 PM
        12h 10m
        1 stop
        SEA 12:27 AM
        Kansas City - Seattle | Fri, Oct 9 | Frontier Airlines
        €97 €175
        45% off
        45% off
        €175 €97
      • MCI 8:43 PM
        20h 29m
        1 stop
        SEA 3:12 PM
        Kansas City - Seattle | Sat, Oct 24 | Frontier Airlines
        €100
        43% off
        €175 €100
      • MCI 8:32 PM
        20h 36m
        1 stop
        SEA 3:08 PM
        Kansas City - Seattle | Wed, Oct 7 | Frontier Airlines
        €103
        41% off
        €175 €103
      • MCI 8:43 PM
        20h 29m
        1 stop
        SEA 3:12 PM
        Kansas City - Seattle | Thu, Nov 12 | Frontier Airlines
        €111
        37% off
        €175 €111
      • MCI 8:43 PM
        20h 29m
        1 stop
        SEA 3:12 PM
        Kansas City - Seattle | Thu, Oct 29 | Frontier Airlines
        €112
        36% off
        €175 €112
      • MCI 8:43 PM
        20h 29m
        1 stop
        SEA 3:12 PM
        Kansas City - Seattle | Thu, Oct 22 | Frontier Airlines
        €112
        36% off
        €175 €112
      • MCI 8:43 PM
        20h 29m
        1 stop
        SEA 3:12 PM
        Kansas City - Seattle | Fri, Oct 16 | Frontier Airlines
        €118
        33% off
        €175 €118
      • MCI 8:32 PM
        20h 36m
        1 stop
        SEA 3:08 PM
        Kansas City - Seattle | Thu, Oct 8 | Frontier Airlines
        €118
        33% off
        €175 €118
      • MKC 1:00 PM
        17h 25m
        1 stop
        SEA 2:00 PM
        Kansas City - Seattle | Sat, Sep 26 | Normal Airline
        Find more flights
        Find more flights

Displayed flight fares from Kansas City International Airport to Seattle Tacoma Intl. Airport are based on average prices across airlines for the next 3 months, according to the latest Trip.com database.

Trip.com Price Insights: Flights from Kansas City International Airport to Seattle Tacoma Intl. Airport

What is the cheapest month for one-way flights from Kansas City International Airport to Seattle Tacoma Intl. Airport?

Data is based on average one-way flight prices from Kansas City International Airport to Seattle Tacoma Intl. Airport in Trip.com's database over the past 12 months.

Based on Trip.com’s data from the past 12 months, if you’re looking for a low-cost one-way ticket from Kansas City International Airport to Seattle Tacoma Intl. Airport, the best time to buy is in January, with an average price of €98. You’ll want to avoid June, when the average price can reach as high as €401.

€401
€250
€98
0
    Cheapest
  • €121
    Sep
  • €173
    Oct
  • €128
    Nov
  • €375
    Dec
  • €98
    Jan
  • €237
    Feb
  • €191
    Mar
  • €207
    Apr
  • €302
    May
  • €401
    Jun
  • €385
    Jul
  • €337
    Aug

What is the cheapest day of the week to fly from Kansas City International Airport to Seattle Tacoma Intl. Airport?

The data is based on the past 12 months and shows the average ticket prices from Kansas City International Airport to Seattle Tacoma Intl. Airport for each day of the week in the Trip.com database.

Based on Trip.com’s data from the past 12 months, the cheapest day to depart from Kansas City International Airport to Seattle Tacoma Intl. Airport is Friday, with average fares typically lower than other days. You’ll want to avoid flying on Sunday, as ticket prices are usually the highest that day.

€364
€235
€105
0
    Cheapest
  • €334
    Mon
  • €282
    Tue
  • €299
    Wed
  • €293
    Thu
  • €105
    Fri
  • €163
    Sat
  • €364
    Sun

Which airline offers the cheapest flights from Kansas City International Airport to Seattle Tacoma Intl. Airport?

The cheapest airline flying from Kansas City International Airport to Seattle Tacoma Intl. Airport is Frontier Airlines (from €97) among 6 carriers operating this route. Based on Trip.com's latest 7-day flight data.

Frontier Airlines
From €97
Alaska Airlines
From €124
Delta Air Lines
From €125
American Airlines
From €167
United Airlines
From €169
Hahn Air
From €489

Find more flights and airlines

What is the flight schedule from Kansas City International Airport to Seattle Tacoma Intl. Airport?

Check the schedule for flights from Kansas City to Seattle and find the flight that best matches your travel plans.

Flight info.
Departure
Arrival
Weekly Schedule

  1. AS563

    Kansas City International Airport

    7:00 AM

    MCI

    3h 57m

    8:57 AM

    SEA

    S M T W T F S
    Search

  2. AS418

    Kansas City International Airport

    1:34 PM

    MCI

    3h 55m

    3:29 PM

    SEA

    S M T W T F S
    Search

  3. DL2105

    Kansas City International Airport

    7:30 AM

    MCI

    4h 12m

    9:42 AM

    SEA

    S M T W T F S
    Search

  4. DL2741

    Kansas City International Airport

    2:10 PM

    MCI

    1h 57m

    Nonstop

    5:07 PM

    DTW

    S M T W T F S
    Search

  5. DL565

    Detroit Metropolitan Wayne County Airport

    7:55 PM

    DTW

    5h 10m

    Nonstop

    10:05 PM

    SEA

    S M T W T F S

  6. F94827

    Kansas City International Airport

    8:43 PM

    MCI

    2h 6m

    Nonstop

    9:49 PM

    DEN

    S M T W T F S
    Search

  7. F91175

    Denver International Airport

    1:07 PM

    DEN

    3h 5m

    Nonstop

    3:12 PM

    SEA

    S M T W T F S

  8. F94505

    Kansas City International Airport

    3:37 PM

    MCI

    3h 12m

    Nonstop

    4:49 PM

    LAS

    S - - W T - S
    Search

  9. F92407

    Harry Reid Intl. Airport

    10:03 AM

    LAS

    2h 59m

    Nonstop

    1:02 PM

    SEA

    S M T W T F S
Find more flights and airlines

About Kansas City International Airport and Seattle Tacoma Intl. Airport

Learn about Kansas City International Airport (MCI) and Seattle Tacoma Intl. Airport (SEA) — including location, terminals, transportation, and travel tips.

Flight distance 2,393.4 km
Cheapest one-way ticket price €95
Cheapest return ticket price €217

FAQs for Kansas City International Airport to Seattle Tacoma Intl. Airport Flights

  • How long is the flight from Kansas City International Airport to Seattle Tacoma Intl. Airport?

    Kansas City International Airport to Seattle Tacoma Intl. Airport takes about 3 hours 29 minutes on average. Actual flight time may vary depending on route, weather and air traffic.
  • There are around 3 daily flights from Kansas City International Airport (MCI) to Seattle Tacoma Intl. Airport (SEA).
  • The earliest flight from Kansas City International Airport to Seattle Tacoma Intl. Airport departs at 07:00, and the last departs at 18:20, with about 6 flights per day. Flight times may change, so please check the latest departure and arrival times before you travel.
  • The route from Kansas City International Airport (MCI) to Seattle Tacoma Intl. Airport (SEA) is quite popular. Without considering departure times or holidays, tickets cost around €471 in September, the most expensive month to book this route.
  • The earliest flight departs from Kansas City International Airport (MCI) at 06:53 and arrives in Seattle Tacoma Intl. Airport (SEA) at 08:55.
  • The latest flight departs from Kansas City International Airport (MCI) at 19:59 and arrives in Seattle Tacoma Intl. Airport (SEA) at 21:51.
    • The distance from Seattle-Tacoma International Airport to downtown is about 17 km. It takes about 30 minutes by taxi.
  • American Airlines is a very popular airline operating an average of 484 flights per month.
  • One-way flights from Kansas City International Airport to Seattle Tacoma Intl. Airport currently start from €95, and round-trip fares start from €217. The current lowest fare is a Frontier Airlines flight departing on Fri, Oct 23; prices may vary depending on availability.
  • Yes. Alaska Airlines and Delta Air Lines operate direct flights from Kansas City International Airport to Seattle Tacoma Intl. Airport, with an average flight time of 3 hours 40 minutes, and around 23 weekly flights. Actual flight frequency may vary by season.
  • Based on Trip.com flight data for departures within the next 30 days with at most one stop, the average one-way price from Kansas City International Airport to Seattle Tacoma Intl. Airport is €223. Prices may vary depending on the departure date, airline, and availability.
  • Kansas City International Airport to Seattle Tacoma Intl. Airport operates around 24 weekly flights, mainly by Alaska Airlines and Delta Air Lines. Actual frequency may vary during holidays and seasonal schedule adjustments.
  • Enter Kansas City International Airport and Seattle Tacoma Intl. Airport, select your departure date and number of passengers, then compare flights by price, flight duration, and baggage allowance. Once you've chosen a fare, review the change and refund rules, fill in passenger details, and pay to receive your booking confirmation.

Popular Destinations

Note: Prices shown on this page are estimated lowest price and include all taxes and fees found in the last 24 hours.

Book with no extra fees

Prices displayed in this page are all-inclusive prices (incl. taxes, fuel surcharge, civil aviation development fund, etc) with all fees confirmed before payment. Fees for luggage, meals, WLAN, or other additional services are also included as shown in the flight cards.

Real-time pricing updates

Prices, availability, and travel information on this page were updated within last 24 hours—even in real-time. The more popular the route, the more precise the data.

Change & Cancellation Policy

Trip.com displays flight cancellation and change policies for each flight ticket during the booking process, including fees and applicable conditions. Please check the following scenarios:
Voluntary cancellation/change:
To submit a change or cancellation request, go to the flight bookings page, select the option to change or cancel your booking, choose the relevant passengers and segment, and submit a request. Please note that additional charges may apply according to the airline ticket policy.
Cancellation/change due to a flight schedule change:
If the flight has been rescheduled and you would like to change or cancel your ticket, you can submit an involuntary cancellation request. For more details about change and cancellation policies, please check the customer support pages.