£147 Cheap Flights from Seattle (SEA) to Kansas City (MCI)

View £147 flight on Mon, 18 May 2026Opens in a new window

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

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

Prices were available within the past 7 days and start at £147 for one-way flights and £280 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Alaska Airlines
Thu, 11 Jun - Sun, 14 Jun
SEA
Seattle
MCI
Kansas City
£280 Return, found 9 hours ago
£280
Return
found 9 hours ago
Select Alaska Airlines flight, departing Thu, 11 Jun from Seattle to Kansas City, returning Sun, 14 Jun, priced at £280 found 9 hours ago
Alaska Airlines
Wed, 20 May - Wed, 27 May
SEA
Seattle
MCI
Kansas City
£286 Return, found 2 days ago
£286
Return
found 2 days ago
Select Alaska Airlines flight, departing Wed, 20 May from Seattle to Kansas City, returning Wed, 27 May, priced at £286 found 2 days ago
Alaska Airlines
Thu, 11 Jun - Sun, 14 Jun
SEA
Seattle
MCI
Kansas City
£288 Return, found 9 hours ago
£288
Return
found 9 hours ago
Select Alaska Airlines flight, departing Thu, 11 Jun from Seattle to Kansas City, returning Sun, 14 Jun, priced at £288 found 9 hours ago
Alaska Airlines
Wed, 20 May - Wed, 27 May
SEA
Seattle
MCI
Kansas City
£321 Return, found 2 days ago
£321
Return
found 2 days ago
Select Alaska Airlines flight, departing Wed, 20 May from Seattle to Kansas City, returning Wed, 27 May, priced at £321 found 2 days ago
Alaska Airlines
Thu, 11 Jun - Sun, 14 Jun
SEA
Seattle
MCI
Kansas City
£321 Return, found 9 hours ago
£321
Return
found 9 hours ago
Select Alaska Airlines flight, departing Thu, 11 Jun from Seattle to Kansas City, returning Sun, 14 Jun, priced at £321 found 9 hours ago
Alaska Airlines
Wed, 20 May - Wed, 27 May
SEA
Seattle
MCI
Kansas City
£328 Return, found 2 days ago
£328
Return
found 2 days ago
Select Alaska Airlines flight, departing Wed, 20 May from Seattle to Kansas City, returning Wed, 27 May, priced at £328 found 2 days ago
Alaska Airlines
Mon, 29 Jun - Wed, 1 Jul
SEA
Seattle
MCI
Kansas City
£338 Return, found 4 days ago
£338
Return
found 4 days ago
Select Alaska Airlines flight, departing Mon, 29 Jun from Seattle to Kansas City, returning Wed, 1 Jul, priced at £338 found 4 days ago
Alaska Airlines
Thu, 11 Jun - Sun, 14 Jun
SEA
Seattle
MCI
Kansas City
£347 Return, found 9 hours ago
£347
Return
found 9 hours ago
Select Alaska Airlines flight, departing Thu, 11 Jun from Seattle to Kansas City, returning Sun, 14 Jun, priced at £347 found 9 hours ago
Alaska Airlines
Wed, 20 May - Wed, 27 May
SEA
Seattle
MCI
Kansas City
£350 Return, found 2 days ago
£350
Return
found 2 days ago
Select Alaska Airlines flight, departing Wed, 20 May from Seattle to Kansas City, returning Wed, 27 May, priced at £350 found 2 days ago
Alaska Airlines
Wed, 20 May - Wed, 27 May
SEA
Seattle
MCI
Kansas City
£353 Return, found 2 days ago
£353
Return
found 2 days ago
Select Alaska Airlines flight, departing Wed, 20 May from Seattle to Kansas City, returning Wed, 27 May, priced at £353 found 2 days ago

Frequently asked questions

How much is a flight from Sea-Tac Airport to Kansas City Intl. Airport?
Start packing your bags, because round-trip journeys between Seattle - Tacoma Intl. Airport (SEA) and Kansas City Intl. Airport (MCI) start from £280. That's based on airfares listed within the last 7 days on Expedia for flights departing within the next year. Prices can move quickly, so book now to get the best deal. Prices and availability are subject to change. Additional terms apply.
Do I need to pay a cancellation fee if I cancel my flight from Seattle - Tacoma Intl. Airport (SEA) to MCI?
Most flights can be cancelled online, but each airline has its own terms and conditions. If you do have to cancel your flight, visit our Customer Service Portal and follow the instructions.
How do I find cheap flights from Seattle - Tacoma Intl. Airport (SEA) to Kansas City Intl. Airport that have flexible change policies?
Many airlines offer the option to reschedule your flight without a change fee. All you pay is the difference between the original flight and the new flight. When you're searching for Sea-Tac Airport to MCI flights, you'll see a "no change fees" filter for you to select.
How far is the flight from Sea-Tac Airport to Kansas City Intl. Airport?
It's around 2,400 kilometres between SeaTac and Kansas City, so expect to be up in the air for a while. Keep yourself occupied by packing things like crossword puzzles or a gripping book.
Which airlines fly direct from Sea-Tac Airport to Kansas City Intl. Airport?
One airline that operates on the route from SEA to Kansas City Intl. Airport is Alaska Airlines (AS). It offers 43 flights monthly. Another airline operating on this route is Delta Air Lines (DL). You'll have 30 flights every month to choose from.
Are Seattle - Tacoma Intl. Airport (SEA) to Kansas City Intl. Airport (MCI) flight tickets cheaper when they're purchased at the last minute?
It is possible to nab a fantastic last-minute deal from SEA to Kansas City Intl. Airport (MCI), but there's no guarantee. As many airlines release prices up to a year in advance, it's worthwhile keeping an eye on fares early and being ready to pounce when you see a bargain. Expedia compares carrier prices and updates flight deals all the time, so you can be certain you're always getting the latest offers.

Frequently asked questions

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 Intl. (SEA) to Kansas City Intl. (MCI), with average return fares of approximately £235. This is about 21% lower than the average price throughout the year. 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 Intl. (SEA) to Kansas City Intl. (MCI) include February and September.
Which airlines fly direct from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Kansas City, MO (MCI-Kansas City Intl.)?
Enter SEA to MCI and your travel dates, then apply the 'Nonstop' filter to see only direct flights.
How do I find cheap flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Kansas City, MO (MCI-Kansas City Intl.)?
To find a cheap flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Kansas City, MO (MCI-Kansas City Intl.), 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, WA (SEA-Seattle - Tacoma Intl.) (SEA) to Kansas City, MO (MCI-Kansas City Intl.) (MCI) will differ from traveller to traveller. If you like to fly early, AS offers early morning flights. If price is the most important factor, WN typically offers the lowest fares. WN offers the most daily flights from Seattle, WA (SEA-Seattle - Tacoma Intl.) (SEA) to Kansas City, MO (MCI-Kansas City Intl.) (MCI), which is brilliant 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-Seattle - Tacoma Intl.) to Kansas City, MO (MCI-Kansas City Intl.)?
Based on booking data from the past year, the best time to fly from Seattle - Tacoma Intl. (SEA) to Kansas City Intl. (MCI) for a good balance of price and availability is typically January or September. These months offer the cheapest fares, with an average return flight costing around £235. While June is a popular month for travel on this route, January and September provide a great opportunity to find more budget-friendly options, allowing you to save on your trip.
How many flights per day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Kansas City, MO (MCI-Kansas City Intl.)?
There is approximately 1 nonstop flight per day from Seattle - Tacoma Intl. (SEA) to Kansas City Intl. (MCI). For even more choice, look at flights that include layovers, as there are around 124 connecting flights per day. Some common connection points include Denver Intl. (DEN), Sky Harbor Intl. (PHX), and O'Hare Intl. (ORD).
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 at approximately 12:05 AM local time, operated by American Airlines. This is a seasonal service active in February and March. An early departure like this can help maximise 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 72 flights available. This gives you plenty of options for your travel plans. Major airlines on this route include Alaska Airlines, United Airlines, and Delta Air Lines. Thursday offers notably more flight options compared to other days of the week.
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, between 6am and 9am. About 33% of passengers prefer this time window. Many major carriers, including Alaska Airlines, Southwest Airlines and United Airlines, offer flights during this window. These early morning flights are often preferred by travellers who want to arrive at their destination with plenty of time to spare for business or leisure activities.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Kansas City, MO (MCI-Kansas City Intl.)?
Flying nonstop from SEA to MCI takes around 3 hours 30 minutes, with the route covering approximately 1,485 miles. Flights with a layover typically take 5 hours 20 minutes longer than direct options. Keep in mind that actual flight times can vary due to wind patterns, weather, and air traffic.
Can you fly business or first class from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Kansas City, MO (MCI-Kansas City Intl.)?
Select the "Business class" and "First class" filters when looking for SEA to MCI flights on Expedia. This is the easiest way to compare prices, routes and flight times for your trip.
How do I earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Kansas City, MO (MCI-Kansas City Intl.) flight with Expedia?
It's easy to earn miles on a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Kansas City, MO (MCI-Kansas City Intl.) 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 from Seattle - Tacoma Intl. (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), McCarran Intl. (LAS), 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-Seattle - Tacoma Intl.) to Kansas City, MO (MCI-Kansas City Intl.) at the last minute?
Typically, booking a last minute flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Kansas City, MO (MCI-Kansas City Intl.) 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-Seattle - Tacoma Intl.) to Kansas City, MO (MCI-Kansas City Intl.) flight and hotel package?
Securing a Seattle, WA (SEA-Seattle - Tacoma Intl.) to Kansas City, MO (MCI-Kansas City Intl.) 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-Seattle - Tacoma Intl.) to Kansas City, MO (MCI-Kansas City Intl.)?
If you booked your Seattle, WA (SEA-Seattle - Tacoma Intl.) to Kansas City, MO (MCI-Kansas City Intl.) 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.
Airlines serving
Alaska Airlines
Return price
£280
Distance
2376 km
Average flight time
5 hours 40 mins

Book with confidence

Compare flights from Seattle to Kansas City easily and book with confidence

For travelling on business or for pleasure, Expedia makes it easy to book your flights from Seattle to Kansas City. Operating between them flights per day, 20 airlines cover the route. And fly direct, getting you to Kansas City Intl. in just hours. If you have a preferred carrier, use our advanced search tool to find the right flight from Seattle - Tacoma Intl. to Kansas City Intl..  

To make things even better, in the advanced search, you can also choose to fly economy, premium economy, business or first class, select your maximum number of stops, and pick your preferred departure and arrival time. You can also opt for refundable and direct flights. 

Grab a great deal on your flight from Seattle - Tacoma Intl. (SEA) to Kansas City Intl. (MCI)

The easiest way to view the best deals on flights from Seattle to Kansas City today is to enter your travel dates and hit search. From here, you can sort your results by price to see the cheapest flights first. Right now, return flights from Seattle - Tacoma Intl. to Kansas City Intl. start at just £280 and range up to £353.  

To find an even better deal, try  

  • being flexible on your dates – midweek flights can be cheaper
  • looking for other airports near Seattle and Kansas City
  • booking your flight during June, the cheapest month on this route
  • varying your flight times – early morning and late at night are sometimes cheaper 

Why you should book your Seattle to Kansas City flight with Expedia!

We cater for all flight types, cabin classes and airlines. So whether you’re booking flights from Seattle - Tacoma Intl. to Kansas City Intl. for a budget break or a business trip with a bit of pleasure thrown in, we make it easy to secure the seat that’s right for you.  

Thanks to our supersized inventory that offers great choice all in one place, you know you’ll get a great deal with Expedia. Especially if you bundle your flight together with your hotel, you will unlock amazing savings. For added peace of mind, you can choose flexible bookings or filter to find refundable options, so you won’t pay a fee to change your flight.  

Compare flights from Seattle to Kansas City easily and book with confidence

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