Trip.com
>
Flights
>
Flights to United States
>
Flights to Washington
>
Flights to Seattle
Hotels in Seattle
>
Flights from Kansas City to Seattle

Find cheap airlines flights from Kansas City to Seattle

Choose from 4 carriers that fly from Kansas City to Seattle, including Alaska Airlines, American Airlines, and Hawaiian Airlines. Enjoy the cheapest tickets on this route with Alaska Airlines.
Alaska Airlines logo Alaska Airlines American Airlines logo American Airlines Hawaiian Airlines logo Hawaiian Airlines Delta Air Lines logo Delta Air Lines

Book direct flights from Kansas City to Seattle: One way flights from $112, round trip flights from $249. Find flight deals for the next 3 months below.

      • Cheapest nonstop
        MCI 6:00 AM
        4h 14m
        Nonstop
        SEA 8:14 AM
        Kansas City - Seattle | Fri, Nov 21 | Alaska Airlines
        SEA 6:32 PM
        3h 27m
        Nonstop
        MCI 11:59 PM
        Seattle - Kansas City | Mon, Nov 24 | Alaska Airlines
        $249 $331
        25% OFF
        25% OFF
        $331 $249
      • MCI 6:00 AM
        4h 14m
        Nonstop
        SEA 8:14 AM
        Kansas City - Seattle | Fri, Nov 21 | Hawaiian Airlines
        SEA 6:32 PM
        3h 27m
        Nonstop
        MCI 11:59 PM
        Seattle - Kansas City | Mon, Nov 24 | Hawaiian Airlines
        $270 $331
        18% OFF
        18% OFF
        $331 $270
      • MCI 7:50 AM
        4h 12m
        Nonstop
        SEA 10:02 AM
        Kansas City - Seattle | Sat, Dec 13 | Delta Air Lines
        SEA 11:15 PM
        8h 41m
        1 stop
        MCI 9:56 AM
        Seattle - Kansas City | Wed, Dec 17 | Delta Air Lines
        $181 $331
        45% OFF
        45% OFF
        $331 $181
      • MCI 5:13 AM
        7h 25m
        1 stop
        SEA 10:38 AM
        Kansas City - Seattle | Sat, Dec 13 | American Airlines
        SEA 11:00 PM
        8h 29m
        1 stop
        MCI 9:29 AM
        Seattle - Kansas City | Wed, Dec 17 | Delta Air Lines
        $237
        28% OFF
        $331 $237
      • MCI 6:55 AM
        4h 12m
        Nonstop
        SEA 9:07 AM
        Kansas City - Seattle | Sat, Dec 13 | Hawaiian Airlines
        SEA 5:25 AM
        6h 2m
        1 stop
        MCI 1:27 PM
        Seattle - Kansas City | Wed, Dec 17 | Delta Air Lines
        $242
        27% OFF
        $331 $242
      • MCI 6:55 AM
        4h 12m
        Nonstop
        SEA 9:07 AM
        Kansas City - Seattle | Sat, Dec 13 | Alaska Airlines
        SEA 11:00 PM
        8h 29m
        1 stop
        MCI 9:29 AM
        Seattle - Kansas City | Wed, Dec 17 | Delta Air Lines
        $243
        27% OFF
        $331 $243
      • MCI 7:55 AM
        4h 13m
        Nonstop
        SEA 10:08 AM
        Kansas City - Seattle | Sun, Nov 23 | Delta Air Lines
        SEA 11:55 PM
        7h 57m
        1 stop
        MCI 9:52 AM
        Seattle - Kansas City | Fri, Nov 28 | Delta Air Lines
        $254
        23% OFF
        $331 $254
      • MCI 3:25 PM
        9h 3m
        1 stop
        SEA 10:28 PM
        Kansas City - Seattle | Sat, Dec 13 | United Airlines
        SEA 7:25 AM
        8h 5m
        1 stop
        MCI 5:30 PM
        Seattle - Kansas City | Wed, Dec 17 | Delta Air Lines
        $262
        21% OFF
        $331 $262
      • MCI 7:55 AM
        4h 13m
        Nonstop
        SEA 10:08 AM
        Kansas City - Seattle | Fri, Nov 21 | Delta Air Lines
        SEA 5:00 PM
        5h 24m
        1 stop
        MCI 12:24 AM
        Seattle - Kansas City | Mon, Nov 24 | Delta Air Lines
        $264
        20% OFF
        $331 $264
      • MCI 6:00 AM
        4h 14m
        Nonstop
        SEA 8:14 AM
        Kansas City - Seattle | Sun, Nov 23 | Hawaiian Airlines
        SEA 5:20 AM
        8h 43m
        1 stop
        MCI 4:03 PM
        Seattle - Kansas City | Fri, Nov 28 | Hawaiian Airlines
        $282
        15% OFF
        $331 $282
      • MKC 1:00 PM
        17h 25m
        1 stop
        SEA Invalid Date
        Kansas City - Seattle | Tue, Nov 18 | Normal Airline
        SEA 3:00 PM
        6h
        Nonstop
        MKC 4:00 PM
        Seattle - Kansas City | Thu, Nov 20 | Normal Airline
        Find More Flights
        Find More Flights

Crossed out prices are calculated based on the average price of the corresponding route on Trip.com.

Flight Info | Kansas City to Seattle

The distance between Kansas City and Seattle is about 2,411.06 km. It takes around 4 hours 13 minutes on average to fly from Kansas City to Seattle. The most popular month to Seattle is July. The off-season for travel is October.

Cheapest one-way flight price$72
Cheapest round-trip ticket price$181
Off-season for travelOctober
Peak season for travelJuly
Flight distance2,411.06 km
Average flight time4 hours 13 minutes
Popular airlineAlaska Airlines

When is the cheapest time to fly from Kansas City to Seattle?

The cheapest time for Kansas City to Seattle flights: Dec 21 to Dec 28 — one way flight prices from $71.

Cheapest flights
From price
Search
  • 1623
  • 2330

  • Dec

    307
  • 714
  • 1421
  • 2128

  • Jan

    284
  • 411
  • 1118
  • 1825

  • Feb

    251
  • 18
Displayed prices are calculated based on the cheapest average weekly prices of the corresponding route on Trip.com.

Frequently Asked Questions

  • Which airlines offer direct flights from Kansas City to Seattle?

    At the moment, you can catch a nonstop flight from Kansas City to Seattle with the following airlines, including: Alaska Airlines American Airlines Hawaiian Airlines Delta Air Lines Selected airlines are based on historical data collected from flight bookings users made on Trip.com within the last 90 days.
  • It takes around 4 hours 13 minutes to fly from Kansas City (MKC) to Seattle (SEA).
  • By analyzing data from all airlines on the Trip.com flight calendar, it looks like the best time to book a flight from Kansas City to Seattle is around 40 days (6 weeks) in advance, and the best time to fly is usually on Tuesday, Wednesday, and Saturday. Tuesday typically offers the cheapest flights for departure, while Saturday offers the best return deals.
  • Based on Trip.com data in the past 4 weeks, there is 29 flight per week flying from Kansas City to Seattle. You can check the weekly schedule for popular airlines on this route below: Alaska Airlines: S/M/T/W/T/F/S -- AS563 (07:09) Hawaiian Airlines: S/M/T/W/T/F/S -- HA6233 (07:09)
  • The cheapest months to fly from Kansas City to Seattle is October, when demand for travel is lower.
  • After crunching the numbers on our November flight calendar, it's currently cheapest to fly from Kansas City to Seattle on November 17, 2025 with Delta Air Lines, with prices starting at $176.
  • You can land at any one of the following hubs in Seattle, with Kansas City International Airport to Seattle–Tacoma International Airport (MCI-SEA) is by far the most common option on this route: Seattle–Tacoma International Airport (SEA) King County (Boeing Field) International Airport (BFI) Kenmore Air - Lake Union (LKE).
  • The time difference between Seattle and Kansas City is 2h.
  • Tickets can only be changed or canceled if permitted by airline policy. 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. However, 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.

Explore More Popular Flights