$141 Cheap Flights from Seattle (SEA) to Kansas City (MCI)

View $141 flight on Tue, Jun 30, 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 to Kansas City (SEA-MCI)

Prices were available within the past 7 days and start at $141 for one-way flights and $319 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Southwest Airlines
Sat, Sep 26 - Tue, Sep 29
SEA
Seattle
MCI
Kansas City
$319 Roundtrip, found 17 hours ago
$319
Roundtrip
found 17 hours ago
Select Southwest Airlines flight, departing Sat, Sep 26 from Seattle to Kansas City, returning Tue, Sep 29, priced at $319 found 17 hours ago
Southwest Airlines
Sat, Sep 5 - Wed, Sep 9
SEA
Seattle
MCI
Kansas City
$329 Roundtrip, found 2 days ago
$329
Roundtrip
found 2 days ago
Select Southwest Airlines flight, departing Sat, Sep 5 from Seattle to Kansas City, returning Wed, Sep 9, priced at $329 found 2 days ago
Bargain Flight
Sat, Aug 22 - Tue, Sep 1
SEA
Seattle
MCI
Kansas City
$332 Roundtrip, found 9 hours ago
$332
Roundtrip
found 9 hours ago
Select Bargain Flight flight, departing Sat, Aug 22 from Seattle to Kansas City, returning Tue, Sep 1, priced at $332 found 9 hours ago
American Airlines
Tue, Sep 29 - Sat, Oct 3
SEA
Seattle
MCI
Kansas City
$333 Roundtrip, found 4 days ago
$333
Roundtrip
found 4 days ago
Select American Airlines flight, departing Tue, Sep 29 from Seattle to Kansas City, returning Sat, Oct 3, priced at $333 found 4 days ago
Delta
Sat, Aug 22 - Tue, Sep 1
SEA
Seattle
MCI
Kansas City
$337 Roundtrip, found 9 hours ago
$337
Roundtrip
found 9 hours ago
Select Delta flight, departing Sat, Aug 22 from Seattle to Kansas City, returning Tue, Sep 1, priced at $337 found 9 hours ago
American Airlines
Wed, Sep 16 - Sun, Sep 20
SEA
Seattle
MCI
Kansas City
$339 Roundtrip, found 9 hours ago
$339
Roundtrip
found 9 hours ago
Select American Airlines flight, departing Wed, Sep 16 from Seattle to Kansas City, returning Sun, Sep 20, priced at $339 found 9 hours ago
Frontier Airlines
Tue, Jun 9 - Sat, Jun 20
SEA
Seattle
MCI
Kansas City
$340 Roundtrip, found 6 days ago
$340
Roundtrip
found 6 days ago
Select Frontier Airlines flight, departing Tue, Jun 9 from Seattle to Kansas City, returning Sat, Jun 20, priced at $340 found 6 days ago
Southwest Airlines
Sat, Sep 5 - Sun, Sep 13
SEA
Seattle
MCI
Kansas City
$344 Roundtrip, found 5 hours ago
$344
Roundtrip
found 5 hours ago
Select Southwest Airlines flight, departing Sat, Sep 5 from Seattle to Kansas City, returning Sun, Sep 13, priced at $344 found 5 hours ago
Alaska Airlines
Sat, Oct 24 - Tue, Oct 27
SEA
Seattle
MCI
Kansas City
$347 Roundtrip, found 15 hours ago
$347
Roundtrip
found 15 hours ago
Select Alaska Airlines flight, departing Sat, Oct 24 from Seattle to Kansas City, returning Tue, Oct 27, priced at $347 found 15 hours ago
Delta
Sat, Sep 26 - Tue, Sep 29
SEA
Seattle
MCI
Kansas City
$349 Roundtrip, found 17 hours ago
$349
Roundtrip
found 17 hours ago
Select Delta flight, departing Sat, Sep 26 from Seattle to Kansas City, returning Tue, Sep 29, priced at $349 found 17 hours ago

What you need to know for your flight from Seattle - Tacoma Intl. to Kansas City Intl.

Seattle (SEA) to Kansas City (MCI) at a glance

Travel from Seattle (SEA) to Kansas City (MCI) with a range of airlines offering weekly flights on this domestic short-haul route. You can choose between full-service and low-cost carriers to find the best Seattle to Kansas City flights that suit your budget and schedule. Dive into the vibrant sights and neighborhoods of Kansas City while planning your journey. Discover essential details about flights from Seattle - Tacoma International Airport (SEA) to Kansas City International Airport (MCI).

  • Fastest flight duration: around 3h 30m non-stop
  • Route distance: roughly 1,500 miles (2,410 km)
  • Flights per week: around 25+ flights with multiple daily departures on average
  • Typical fares (one-way): economy tickets often range from $100–$430, depending on seasonality and how far ahead you book

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

Based on recent traveler bookings, here are the top airlines favored for flights from Seattle to Kansas City, offering both non-stop and one-stop options. Popular layover choices include Denver International Airport (DEN) with about a 1-hour layover, Dallas-Fort Worth International Airport (DFW) with approximately a 1 hour and 30 minutes layover, and O'Hare International Airport (ORD), also around 1 hour and 30 minutes. This variety allows you to mix and match price, total travel time, and cabin class to discover the best itinerary for your journey.

  • Alaska Airlines: This full-service airline provides both non-stop and one-stop options, with one-way fares generally ranging from $110 to $455. It makes up about 45% of departures on this route, boasting a standard non-stop flight duration of 3 hours and 30 minutes.
  • Delta: Offering a full-service experience, Delta features non-stop and one-stop flights, with one-way ticket prices typically falling between $100 and $440. It accounts for around 24% of departures on this route, with a usual non-stop travel time of 3 hours and 30 minutes.
  • United: As a full-service carrier, United provides non-stop and one-stop services, with one-way fares usually ranging from $110 to $445. It represents approximately 10% of departures along this route, with a typical one-stop journey lasting 4 hours and 45 minutes in the air and a total travel time of about 6 hours and 15 minutes.
  • Southwest Airlines: This low-cost airline offers both non-stop and one-stop services, with one-way fares generally ranging from $100 to $435. Southwest accounts for about 9% of departures on this route, with a one-stop journey time of 4 hours and 45 minutes of flying and a total duration of approximately 6 hours and 15 minutes.
  • American Airlines: A full-service airline, American Airlines provides non-stop and one-stop flights, with one-way fares typically between $100 and $495. It comprises about 7% of departures on this route, featuring a one-stop flight time of 4 hours and 45 minutes and an overall journey time of roughly 6 hours and 15 minutes.

Travelers flying from Seattle to Kansas City can opt for an upgraded experience. Alaska Airlines provides first class and business class options, while Delta features first class and premium economy. American Airlines also offers first class service for a more comfortable journey.

Best time to fly from Seattle (SEA) to Kansas City (MCI)

The most popular months for travelers flying from Seattle to Kansas City are March, April, and July, when peak temperatures in Kansas City reach up to 79°F in July. If you prefer quieter travel, consider October, the least busy and relatively cheaper time to visit with fewer crowds and temperatures around 57.4°F. For better deals, April usually offers the lowest average one-way fare around $213. Flight availability peaks in June, with approximately 39 flights per week, making it easier to find convenient departure times. January and February have the fewest flights, with approximately 19 flights per week.

  • Cheapest time to fly: April usually offers good deals with average one-way fare around $213, roughly 10% cheaper than the yearly average.
  • More budget-friendly months to fly: January, September, and March typically offer average one-way fares of around $219.
  • Most flight options: June has the highest number of flights from Seattle to Kansas City, with approximately 39 flights per week, giving you more flexibility in scheduling your trip.
calendar iconMonthtemperature iconTemperaturecrowd level iconDemandflights iconWeekly Flightsprice iconAverage one-way Fare
January29.8°F (-1.2°C)Average19$218
February32.9°F (0.5°C)Average19$224
March45.7°F (7.6°C)Moderately High25$220
April54.7°F (12.6°C)Moderately High26$213
May64.8°F (18.2°C)Average32$224
June75.7°F (24.3°C)Average39$259
July79.0°F (26.1°C)Moderately High38$267
August77.4°F (25.2°C)Average35$247
September70.7°F (21.5°C)Average30$220
October57.4°F (14.1°C)Moderately Low26$240
November45.3°F (7.4°C)Moderately Low23$266
December35.4°F (1.9°C)Moderately Low25$244

*Average one-way fare is based on Expedia flight booking data from January 2025 to April 2026 for the specified route and travel class and may change depending on availability, dates, and demand.

Alternative routes from Seattle (SEA) to Kansas City (MCI)

  • Seattle to Kansas City (BFI-MCI): Located approximately 6 miles from Seattle - Tacoma International Airport (SEA), Boeing Field Airport (BFI) serves as a convenient departure point for travelers heading to Kansas City.
  • Seattle to Kansas City (SEA-MKC): Charles B. Wheeler Downtown Airport (MKC) lies roughly 14 miles from Kansas City International Airport (MCI), providing an alternative option for those flying from Seattle.
  • Seattle to Kansas City (BFI-MKC): Boeing Field Airport (BFI) is about 6 miles from Seattle - Tacoma International Airport (SEA), while Charles B. Wheeler Downtown Airport (MKC) is situated around 14 miles from Kansas City International Airport (MCI), making both routes accessible for travelers.

How to find the best prices for flights from Seattle (SEA) to Kansas City (MCI)

Getting some of the best deals on flights from Seattle to Kansas City is all about timing and flexibility. Here are some key tips to help you save:

  1. Best times to book and fly: cheaper fares are usually found when booking at least two months in advance, although most travelers book their flights two to eight weeks ahead. Departures in the afternoon (12 PM to 6 PM) often offer lower prices, while morning flights (5 AM to 12 PM) are the most popular. Additionally, flying on Saturday generally yields cheaper prices, even though Thursday is the busiest travel day.
  2. Set up price alerts: stay updated on price changes by using Expedia's Price Tracker. Receive alerts when fares drop for your selected route.
  3. Bundle and save: bundle your flight and hotel to save on Expedia, or unlock a hotel deal after booking your flight.*
  4. Compare flight options: use Expedia's search tool to compare airlines, routes, direct vs. non-direct flights, and flight times. You can also sort by price to find the most affordable options.
  5. Stay flexible with dates: being open to different travel days can sometimes help you find better prices on flights and hotels.
  6. Think about luggage: nowadays, it's important to check the airline's baggage policies to find the best value. That may be paying for an additional carry-on bag or booking a ticket with checked luggage included. Either way, double-check your allowance before confirming your booking to avoid excess baggage fees at the airport.

*Members only. Savings vary and are not available on all bundles. Select hotels.

Arriving at Kansas City International Airport from Seattle - Tacoma International Airport

Kansas City welcomes travelers from Seattle with a range of transport options based on price, convenience, and proximity. For departures, Seattle - Tacoma International Airport is roughly a 20-minute drive (covering about 14 miles) from central Seattle. Here's how to reach Kansas City efficiently:

  • Hotel transfer: Transfers offer a convenient way to reach your hotel in Kansas City, with private rides that can be arranged in advance.
  • Car rental: Renting a car from Kansas City International Airport is a great option if you plan to explore and sightsee beyond the city. Browse cheap car rentals at Kansas City International Airport on Expedia.
  • Taxi/ride-hailing: Taxis and ride-hailing services may be available from designated pickup areas outside the terminal, check locally on arrival.
  • Public transportation: From Kansas City International Airport, Point Hope Seaport, a seaport, is located about 7.9 miles away, providing convenient access for travelers heading towards the waterfront.

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 cheap one-way flights from $141 and cheap return flights from $319 Seattle, WA (SEA-Seattle - Tacoma Intl.) to Kansas City, MO (MCI-Kansas City Intl.) with Expedia. One-way flights generally range between $142 and $789, and roundtrip flights usually range from $323 to $1351. 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 the cheapest fares first, and use the Price Tracking tool to receive alerts when Seattle, WA (SEA-Seattle - Tacoma Intl.) to Kansas City, MO (MCI-Kansas City Intl.) ticket fares go up or down.*Typical price ranges based on flights available on Expedia in the last year. Prices include multi-airline options.
What is the cheapest month to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Kansas City, MO (MCI-Kansas City Intl.)?
January is the cheapest month to fly from Seattle, WA (SEA) to Kansas City, MO (MCI), with average round-trip fares around $314. This is about 21% lower than the average price throughout the year, as travel demand typically decreases after the holiday season. Other budget-friendly months include February and September.*Averages based on flights available on Expedia in the last year.
Which airlines fly direct from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Kansas City, MO (MCI-Kansas City Intl.)?
2 airlines operate nonstop service from SEA to MCI:

  • Delta operates around 7 direct flights from SEA to MCI every week
  • Hawaiian Airlines operates around 9 direct flights from SEA to MCI every week

What is the cheapest airline that flies from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Kansas City, MO (MCI-Kansas City Intl.)?
Sun Country Airlines is one of the cheapest airlines offering connecting flights from Seattle, WA (SEA) to Kansas City, MO (MCI), with round-trip tickets starting from around $339. Use Expedia's search tool to compare the prices and schedules of airlines that fly this route to find the best option for your plans and budget.*Prices based on flights available on Expedia in the last year.
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) to Kansas City, MO (MCI) will differ from traveler to traveler. If you like to fly early, WN offers early morning flights. If price is the most important factor, Delta typically offers the lowest fares. WN offers the most daily flights from SEA to 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-Seattle - Tacoma Intl.) to Kansas City, MO (MCI-Kansas City Intl.)?
For flights from Seattle to Kansas City, January and September are the best months to travel, with return flights averaging around $314. January is ideal for escaping the winter blues, while September offers a pleasant climate and vibrant local events, making it a great time to visit.*Prices based on flights available on Expedia in the last year.
How many flights per day from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Kansas City, MO (MCI-Kansas City Intl.)?
On average, there are around 1 nonstop flights per day from Seattle - Tacoma Intl. (SEA) to Kansas City Intl. (MCI). For more options, look at flights that include layovers.
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 International Airport (SEA) to Kansas City International Airport (MCI) typically departs at around 12:05 AM, operated by American Airlines. This is a seasonal service active in February and March, and an early departure like this can help you maximize your time in Kansas City. To compare early flights on Expedia, select the "Early Morning" and "Morning" filters in your search.
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 (SEA) to Kansas City (MCI) are in the early morning, from 6am to 9am. About 27% of passengers prefer this time window. Many major carriers, including Southwest Airlines, United Airlines, and Alaska Airlines, offer flights during this window. This timing is favored as it allows you to make the most of your day in Kansas City.
How long does it take to fly from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Kansas City, MO (MCI-Kansas City Intl.)?
Direct flights from SEA to MCI usually take about 3 hours 30 minutes, traveling roughly 1,485 miles. If you opt for a connecting flight, expect to add around 5 hours 20 minutes to your journey. 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.)?
First class is available on flights from SEA to MCI. First class cabins are available on:

  • American Airlines
  • Delta Air Lines
  • United Airlines

How much is a business class flight from Seattle, WA (SEA-Seattle - Tacoma Intl.) to Kansas City, MO (MCI-Kansas City Intl.)?
A direct, return business class ticket from Seattle, WA (SEA) to Kansas City, MO (MCI) typically costs between $1,119 - $1,695. A non-stop, one-way business class flight is usually around $668 - $778. Prices often fluctuate based on seasonality and how early you book. You may also be able to find a cheaper business class journey between Seattle, WA (SEA-Seattle - Tacoma Intl.) to Kansas City, MO (MCI-Kansas City Intl.) if you opt for a connecting flight.*Prices based on flights available on Expedia in the last year.
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)?
From Seattle - Tacoma Intl. (SEA), you can fly into Kansas City Intl. (MCI) to reach Kansas City. Some flights may connect through major hubs like San Francisco Intl. (SFO), Denver Intl. (DEN), Harry Reid Intl. (LAS) 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.) Kansas City Vacation Packages 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, American Airlines, Delta, Southwest Airlines, United
Roundtrip price
$319
Distance
1485 mi
Average flight time
5 hours 39 mins

Book with confidence

Seattle to Kansas City Flights

The cheapest times to fly from Seattle to Kansas City

On average, Thursday can be the cheapest time to fly, according to data from the Airlines Reporting Corporation (ARC), one of the world's biggest databases for global airline sales. The data reveals that you could save up to 16% by flying on a Thursday—the cheapest day to travel on average—instead of a Sunday—the most expensive. Some of the most affordable flights from Seattle to Kansas City are during the month of September. You can find some of the cheapest flights from Seattle to Kansas City with Expedia's search tool and vast selection of airlines.

 

The best time to book a flight from Seattle to Kansas City

Sunday is one of the best days to book for cheap flights from Seattle to Kansas City: Tickets reserved on a Sunday cost between 6% and 13% less than those reserved on a Friday, according to ARC data. The data also suggests booking early can also lead to cheaper airfares. You could save 24% by buying your tickets for domestic flights at least a month in advance and 10% by booking international flights 2 months in advance.

 

How to find cheap round-trip tickets from Seattle to Kansas City

Being flexible with your dates and using Expedia's Price Drop Protection and Price Tracking features are some of the best ways of finding a cheap ticket from Seattle to Kansas City in 2026. You can also book with separate airlines for your outbound and return journeys, from $141 one-way. Expedia also offers Price Drop Protection, so if the cost of your airfare goes down after booking, you'll receive a credit for the difference*. This is available for a small fee, and is free to One Key Gold and Platinum tier members.

 

Expedia's Price Tracking feature means you can stay on top of airfares without manually checking every day. It sends you automated price alerts for cheap Seattle to Kansas City flights and uses historical data to indicate when the best time to book is. Download Expedia's free app to activate this handy tool in a few easy taps.

 

You could also save big by booking one of Expedia's vacation packages. Bundling together your Seattle to Kansas City airfare with your accommodations and car rental is often cheaper than booking everything separately. There’s also One Key, Expedia's generous rewards program. Join for free and you could earn One Key cash on most bookings to save on future adventures.

 

*Terms apply.

 

Disclaimer: ARC The statistics are based on average round-trip ticket prices between January and August 2023. The percentages you see are averages.

 

Seattle to Kansas City Flights

*Flight schedules are subject to change.

*Available to One Key members.

 

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