A cityscape with a prominent historic building featuring arched entrances and a large central dome, surrounded by modern skyscrapers and a well-maintained park with a fountain.

Cheap Flights from Seattle (SEA) to Kansas City (MCI)

View AU$240 flight on Thu, 1 Oct 2026Opens in a new window

Popular airlines from Seattle-Tacoma International Airport (SEA) to Kansas City International Airport (MCI)

  • Be in the know

    Get alerts if flight prices drop or rise*

  • Book smarter

    Save up to 35% on select hotels after you book a flight*

  • Earn twice

    Earn your airline miles on top of our rewards
    Sign in

Cheap Flights from Seattle (SEA) to Kansas City (MCI)

Prices were available within the past 7 days for one-way flights and round trip tickets for the period specified. Prices and availability are subject to change. Additional terms apply.

Find the cheapest month to fly from Seattle (SEA) to Kansas City (MCI)

September is typically the cheapest month to fly

From AU$362 - AU$478 per traveller.

Frequently asked questions

How much does a flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Kansas City, MO (MCI-Kansas City Intl.) cost?
You can find one-way and return flights from SEA to MCI with Expedia. Flight prices vary based on the month and day of the week you want to travel, as well as the airline and how far in advance you book your ticket. Filter your search on Expedia by "Price (lowest to highest)" to see our cheapest fares first, and use the Price Tracking tool to receive alerts when SEA to MCI ticket fares go up or down.
What is the cheapest month to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Kansas City, MO (MCI-Kansas City Intl.)?
January is typically the cheapest month to fly from Seattle-Tacoma International Airport (SEA) to Kansas City International Airport (MCI), with average return fares around AU$468. January sees lower prices because it falls after the holiday travel rush, when demand drops and airlines compete for bookings. Other cheap months to fly from Seattle-Tacoma International Airport (SEA) to Kansas City International Airport (MCI) include February and September.
Which airlines fly direct from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Kansas City, MO (MCI-Kansas City Intl.)?
There are 2 airlines offering direct flights from Seattle - Tacoma Intl. (SEA) to Kansas City Intl. (MCI):
  • Delta operates 7 direct flights from Seattle - Tacoma Intl. to Kansas City Intl. every week.
  • Southwest Airlines operates 7 direct flights from Seattle - Tacoma Intl. to Kansas City Intl. every week.
How do I find cheap flights from Seattle, WA (SEA) to Kansas City, MO (MCI)?
To find a cheap flight from Seattle, WA (SEA) to Kansas City, MO (MCI), be flexible with your dates. Traveling outside of peak vacation months and booking a mid-week flight can help you save. Early morning and late night flights are often more affordable, too. Expedia allows you to compare flight times, airlines and routes all in one place to find low fares. You can also set up Price Tracking and receive alerts when fares go up or down.
What is the best airline to fly with from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Kansas City, MO (MCI-Kansas City Intl.)?
The best airline to fly with from Seattle - Tacoma Intl. (SEA) to Kansas City Intl. (MCI) will differ from traveler to traveler. If you like to fly early, Alaska Airlines offers early morning flights. If price is the most important factor, Southwest Airlines typically offers the lowest fares. Southwest Airlines offers the most daily flights from Seattle - Tacoma Intl. (SEA) to Kansas City Intl. (MCI), which is great if flexibility is what you value most. The best carrier for this journey could also be the one you have a loyalty membership with, as flying with that airline or another airline within the same alliance could help you collect points or enjoy lounge access.
What is the best time to fly from Seattle, WA (SEA) to Kansas City, MO (MCI)?
The best time to fly is usually mid-week (Tuesday or Wednesday) and during early morning hours as flights tend to be cheaper, less crowded, and generally more on-time. Avoid major holidays and peak vacation seasons for smoother travel. Combining off-peak days and hours often gives the best combination of cost, comfort, and convenience.
How many flights per day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Kansas City, MO (MCI-Kansas City Intl.)?
There is 1 nonstop flight per day from Seattle - Tacoma Intl. (SEA) to Kansas City Intl. (MCI). For even more choices, look at flights that include layovers, as there are around 125 connecting flights per day. Some common connection points include Denver Intl. (DEN), O'Hare Intl. (ORD), and Sky Harbor Intl. (PHX).
What is the earliest flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Kansas City, MO (MCI-Kansas City Intl.)?
The earliest flight from Seattle - Tacoma Intl. (SEA) to Kansas City Intl. (MCI) typically departs around 12:05 AM local time. This flight is operated by American Airlines. This is a seasonal service, active in February and March. An early departure like this can help you make the most of your time at your destination. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
What day of the week has the most flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Kansas City, MO (MCI-Kansas City Intl.)?
You'll typically find the most flights from Seattle - Tacoma Intl. (SEA) to Kansas City Intl. (MCI) on a Thursday, with around 76 flights available. This gives you a good selection of options for your travel plans. Major airlines on this route include Alaska Airlines, United, and Southwest Airlines. Flight schedules are fairly consistent throughout the week, with Thursdays offering only slightly more flights than other days.
What are the most popular departure times for flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Kansas City, MO (MCI-Kansas City Intl.)?
The most popular departure times for flights from Seattle - Tacoma Intl. (SEA) to Kansas City Intl. (MCI) are in the early morning, from 6am to 9am. Many major carriers, including Alaska Airlines, Southwest Airlines and United, offer flights during this window. Many travellers prefer these early flights as they allow you to arrive at your destination with plenty of time left in the day.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Kansas City, MO (MCI-Kansas City Intl.)?
A nonstop flight from Seattle - Tacoma Intl. (SEA) to Kansas City Intl. (MCI) typically takes around 3 hours 30 minutes, covering a distance of approximately 2390 kilometres. If you opt for a one-stop flight, your travel time will be longer, usually around 8 hours 50 minutes. Flights with two or more stops generally take about 10 hours 50 minutes. Keep in mind that actual flight times can vary due to factors like wind patterns and air traffic, so it's always a good idea to allow for some extra time when planning your trip.
Can you fly business or first class from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Kansas City, MO (MCI-Kansas City Intl.)?
You can fly business class or first class between SEA and MCI. Airlines that offer business class service on this route include:

  • Delta

First class cabins are available on:

  • Alaska Airlines
  • United
  • Delta
  • American Airlines

How do I earn miles on a Seattle, WA (SEA) to Kansas City, MO (MCI) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA) to Kansas City, MO (MCI) flight when you book with Expedia. Before you confirm your booking, simply select your frequent flyer program and enter your program number. As a member of One Key™, you can also earn OneKeyCash™* on top of your airline miles when you book with Expedia.*Excludes taxes and fees. OneKeyCash is not redeemable for cash and can only be used on Expedia and other participating brands.
What airports do you fly into for Kansas City, MO (MCI) from Seattle, WA (SEA)?
If you're planning to travel to Kansas City from Seattle - Tacoma Intl. (SEA), you can fly directly into Kansas City Intl. (MCI). Some flights may connect through major hubs like San Francisco Intl. (SFO), Harry Reid International Airport (LAS), or Sky Harbor Intl. (PHX) before reaching Kansas City. Compare routes and airports on Expedia to find the best flight options for your travel plans.
Is it cheaper to buy a plane ticket from Seattle, WA (SEA) to Kansas City, MO (MCI) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA) to Kansas City, MO (MCI) will be more expensive than booking in advance. As the departure date approaches, there are usually fewer seats available which can drive up the cost. However, if there's some wiggle room with your travel dates and times, you could bag a cheap last-minute fare.
Is it cheaper to book a Seattle, WA (SEA) to Kansas City, MO (MCI) flight and hotel package?
Securing a Seattle, WA (SEA) to Kansas City, MO (MCI) flight and hotel package is usually cheaper than booking separately. With Expedia, you can enjoy the ease of organizing your travels all in one place. Select from our extensive range of stays and then add flights, activities and car rentals to your booking. Bundle everything together, and you could save hundreds of dollars.
Can I cancel or change the date of my flight from Seattle, WA (SEA) to Kansas City, MO (MCI)?
If you booked your Seattle, WA (SEA) to Kansas City, MO (MCI) flight within the last 24 hours, you may be able to modify or cancel it without any fees. Depending on the airline and the type of ticket you have, additional charges may apply for changes beyond this timeframe. Airline policies and contact information can be found in your itinerary or confirmation email. Or, head to our Customer Service portal if you'd like more information.

Travel information

Origin airport
Seattle - Tacoma Intl.
Destination airport
Kansas City Intl.
Distance
2376 km
Average flight time
5 hours 31 mins

Book with confidence

Your quick guide to flights from Seattle to Kansas City

Pick up great flights from Seattle to Kansas City

With Expedia, you have your pick of flights a day with 20 airlines covering flights from Seattle to Kansas City. Whether you’re on a business trip, a family holiday or a luxury break, just enter your travel dates, hit search then check out your choice of flights. Select from return, one way or multi-city flights, and use the advance search tool if you want a direct or refundable flight. You can narrow your search to show you just your preferred cabin class and airline, too. It’s all easy. You can book direct flights from Seattle to Kansas City that take around hours.

Find cheap flights from Seattle to Kansas City

From the great flight deals with prices currently ranging from to , you can choose to see the cheapest flights first. Generally, you can book the cheapest flights from Seattle to Kansas City around 4 to 6 weeks in advance. If your travel dates are flexible, try to avoid weekends and peak seasons – when you are more likely to grab the lowest prices. Even last minute, there are some impressive deals. The cheapest time to fly to Kansas City is normally in .

Reasons to book your flight from Seattle to Kansas City with Expedia

Expedia makes it easy to find, book, and travel, with everything you need all in one place. When you enter your travel details, find fantastic deals just for you on flight tickets from Seattle to Kansas City across all the main airline carriers, so you can save time, dollars, and hassle finding the perfect flight. If you think your plans could change, choose refundable flights so any changes won’t cost you more. Book your flight to Kansas City right now and, if you join Expedia Rewards, you earn points this time and every time you travel with Expedia.

Your quick guide to flights from Seattle to Kansas City

Explore a world of travel with Expedia

*Available to Expedia members.