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$67+ Cheap flights from Seattle to Kansas City (SEA - MCI)

This is the cheapest one-way flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 1/8. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MCI
Nov 26 — Dec 31
Wed 11/26
Wed 12/3
1 adult, Economy
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Find cheap flights from Seattle to Kansas City with Cheapflights

1. Tell us where you want to go

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2. Select your favorite providers

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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Kansas City are usually found in January or February, booked 62 days in advance, depart on a Tuesday or Saturday and return on a Thursday

Cheap flight deals from Seattle to Kansas City

Discover tips and strategies to find the most affordable flight options for your journey from Seattle (SEA) to Kansas City (MCI). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated October 27, 2025.

Most accurate provider

CheapOair
3 stars

Most trusted provider

CheapOair
3 stars

Round-trip from

$223
(Kiwi.com)

One-way from

$67
(Trip.com)

Popular in

May

Cheapest in

January

Average price

$347
Provider with most accurate pricing for Seattle/Tacoma Intl-Kansas City flight deals.
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Provider most trusted by Cheapflights users for Seattle/Tacoma Intl-Kansas City flights.
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From Seattle/Tacoma Intl to Kansas City
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One-way flight from Seattle/Tacoma Intl to Kansas City
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Highest demand for flights based on searches. 9% potential increase in price ($38 potential increase over avg. RT price).
Search Deals
Cheapest flight prices on average. 2% potential price decrease ($10 potential savings vs. average RT price).
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Average for round-trip flights in October 2025
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Find flight deals from Seattle to Kansas City

Cheapest flights from Seattle to Kansas City
Explore the most affordable flight options available from Seattle to Kansas City. Find the lowest fares from popular airlines and budget airlines, with prices last updated on October 27, 2025.

This Booking.com deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Booking.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/19:22 pmSEA - MCI
1 stop13h 24mFrontier
Sat 11/158:28 pmMCI - SEA
1 stop17h 45mFrontier
Deal found 10/26$218
This Kiwi.com deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1312:58 pmSEA - MCI
2 stops19h 19mFrontier
Tue 11/186:49 pmMCI - SEA
1 stop19h 18mFrontier
Deal found 10/25$223
This KAYAK deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure KAYAK is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/316:47 pmSEA - MCI
Nonstop3h 26mHawaiian Airlines
Sun 1/46:00 amMCI - SEA
Nonstop4h 15mHawaiian Airlines
Deal found 10/26$229
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/1312:58 pmSEA - MCI
2 stops19h 19mFrontier
Mon 11/178:28 pmMCI - SEA
1 stop17h 39mFrontier
Deal found 10/27$236
This Delta deal was found by Cheapflights users on 10/25. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/185:50 pmSEA - MCI
Nonstop3h 34mDelta
Tue 11/257:55 amMCI - SEA
Nonstop4h 13mDelta
Deal found 10/25$237
This Kiwi.com deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 12/181:25 pmSEA - MCI
1 stop28h 25mFrontier
Wed 12/248:45 pmMCI - SEA
1 stop17h 45mFrontier
Deal found 10/27$244
This Cheapflightsfares deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 12/911:52 amSEA - MCI
Nonstop3h 35mAlaska Airlines
Sun 12/146:55 amMCI - SEA
Nonstop4h 12mAlaska Airlines
Deal found 10/26$245
This Mytrip deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Mytrip is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/301:18 pmSEA - MCI
1 stop28h 15mFrontier
Tue 11/46:49 pmMCI - SEA
1 stop19h 18mFrontier
Deal found 10/26$247
This Delta deal was found by Cheapflights users on 10/27. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/215:50 pmSEA - MCI
Nonstop3h 34mDelta
Sun 11/237:55 amMCI - SEA
Nonstop4h 13mDelta
Deal found 10/27$257
This United Airlines deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/35:00 amSEA - MCI
1 stop5h 30mUnited Airlines
Sun 12/76:00 amMCI - SEA
1 stop6h 09mUnited Airlines
Deal found 10/26$259
This Delta deal was found by Cheapflights users on 10/24. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/215:50 pmSEA - MCI
Nonstop3h 34mDelta
Sat 12/136:40 amMCI - SEA
2 stops13h 46mDelta
Deal found 10/24$261
This Cheapflightsfares deal was found by Cheapflights users on 10/26. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Cheapflightsfares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 12/299:15 amSEA - MCI
Nonstop3h 29mAlaska Airlines
Fri 1/26:00 amMCI - SEA
Nonstop4h 15mAlaska Airlines
Deal found 10/26$264

Cheapflights Fare Finder

 
Customize your flight search to find flights from Seattle to Kansas City that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 27, 2025.
Use the filters below to find and compare flights from Seattle to Kansas City that are best for you.

Fly from

Seattle

Fly to

Kansas City

Route

Depart

Return

Price

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Tue 12/9

7:00 am-4:46 pm

1 stop7h 46m

Kansas City

Sun 12/14

6:00 am-10:09 am

1 stop6h 09m

$237

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Wed 12/3

5:50 pm-11:22 pm

Nonstop3h 32m

Kansas City

Sun 12/7

7:50 am-10:02 am

Nonstop4h 12m

$247

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Fri 11/21

6:32 pm-11:59 pm

Nonstop3h 27m

Kansas City

Wed 11/26

6:00 am-8:14 am

Nonstop4h 14m

$257

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Sun 1/25

5:30 pm-10:59 pm

Nonstop3h 29m

Kansas City

Sun 2/1

7:30 am-9:40 am

Nonstop4h 10m

$257

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Fri 12/5

5:50 pm-11:22 pm

Nonstop3h 32m

Kansas City

Sun 12/7

7:50 am-10:02 am

Nonstop4h 12m

$257

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Fri 11/21

5:50 pm-11:24 pm

Nonstop3h 34m

Kansas City

Sun 11/23

7:55 am-10:08 am

Nonstop4h 13m

$257

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Mon 11/17

5:50 pm-11:24 pm

Nonstop3h 34m

Kansas City

Sun 11/23

7:55 am-10:08 am

Nonstop4h 13m

$257

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Sun 11/16

5:50 pm-11:24 pm

Nonstop3h 34m

Kansas City

Sun 11/23

7:55 am-10:08 am

Nonstop4h 13m

$257

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Wed 12/3

5:00 am-12:30 pm

1 stop5h 30m

Kansas City

Sun 12/7

6:00 am-10:09 am

1 stop6h 09m

$259

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Mon 12/29

9:15 am-2:44 pm

Nonstop3h 29m

Kansas City

Fri 1/2

6:00 am-8:15 am

Nonstop4h 15m

$264

Flights are sorted by cheapest round-trip flights first.

Deals found on 10/25

Showing 1-10 of 18 results
1
2

Compare providers for flights from Seattle to Kansas City

Provider information is updated monthly. Please note that these providers often have deals for this flight, but the availability may vary on a day-by-day basis on Cheapflights.
Use the table below to compare price accuracy, trust ratings, and cancellation policies for each provider offering flight deals from Seattle to Kansas City in October.
ProviderPrice AccuracyTrust Score*
ExpediaPrice Accuracy2 starsTrust Score*3 stars
FlightHubPrice Accuracy3 starsTrust Score*1 star
eDreamsPrice Accuracy3 starsTrust Score*3 stars
CheapfaremartPrice Accuracy-Trust Score*1 star
PricelinePrice Accuracy1 starTrust Score*3 stars
CheapflightsfaresPrice Accuracy3 starsTrust Score*2 stars
CheapOairPrice Accuracy3 starsTrust Score*3 stars
CheapTicketsDealPrice Accuracy3 starsTrust Score*3 stars

*The Trust Score is based on feedback from users after their booking experience. It measures overall satisfaction, helping us identify issues like hidden fees, problems during the ticketing process, and the quality of customer service. This score is our best indicator of the provider's quality and reliability.

  • Most accurate provider: When it comes to deals on Seattle-Kansas City flights, users find the pricing of CheapOair to be most consistent on Cheapflights vs. CheapOair Users can find the same prices on Seattle-Kansas City flight deals on Cheapflights vs. CheapOair >95% of the time. Price accuracy is based on data collected from Seattle-Kansas City flight searches over the past month and is updated monthly.
  • Most trusted provider: When it comes to deals on Seattle-Kansas City flights, Cheapflights users trust CheapOair the most. CheapOair has received a user feedback score of 3 out of 3 stars (3 being the best), meaning they have been trusted the most by Cheapflights users looking for Seattle-Kansas City flight deals. Provider user feedback score is based on Cheapflights searches over the past month and is updated monthly.

Best time to book a flight from Seattle to Kansas City

Have a flexible travel schedule? Discover the best time to fly to Kansas City from Seattle with our price prediction graph.
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.

Cheapflights Insights

Everything you need to know about your flight from Seattle to Kansas City

How far ahead should I book a flight from Seattle to Kansas City?

Use this chart to determine the optimal time to book a round-trip flight from Seattle to Kansas City. Price data was last updated on October 24, 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Kansas City, you should look to book at least 62 days in advance of your intended travel date. The price of your flight may increase if you delay and leave booking until a week or so before departure.

What is the cheapest month to book a flight from Seattle to Kansas City?

Currently, February is the cheapest month in which you can book a flight from Seattle to Kansas City (average of $91). Flying from Seattle to Kansas City in March is currently the most expensive (average of $257). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

What is the cheapest time of day to fly from SEA to MCI?

Find hourly flight availability from Seattle to Kansas City. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated October 27, 2025.

Unlike at noon, when flights are generally more expensive, you can save up to 38% on flights from Seattle to Kansas City by exploring options for tickets in the evening.

What is the cheapest day to fly from Seattle to Kansas City?

Use this chart to determine the cheapest time to fly round-trip from Seattle to Kansas City. Price data was last updated on October 26, 2025.

Travelers seeking maximum savings on their Seattle to Kansas City flight should consider departing on Monday evenings when fares are most often at their lowest. Sunday at noon flights should be avoided if possible as fares are typically the most expensive at this time.

How much does it cost to fly round-trip from Seattle to Kansas City?

The best insider tips for Seattle to Kansas City flights

Snippets provided in this section are AI-generated based on a summarization of Cheapflights-commissioned articles. The articles are presented as-is, for general informational purposes only, and may not be up-to-date. The opinions contained in the articles are original to the author and reflect their authentic experience, which may vary significantly from the experience of others.
Cheapflights partnered with top experts to bring you the best recommendations for your Seattle to Kansas City trip
Airports
SEA

Plan to arrive at SEA at least two hours before your flight. Use SEA Spot Saver for a faster security experience without TSA PreCheck.

Read more about SEAby Brandon Schultz
MCI

For a quick exit from MCI, use the RideKC bus to downtown. It's free and departs hourly, taking about an hour.

Read more about MCIby Matt Meltzer
Our travel experts
Matt Meltzer

Matt Meltzer

Expert on MCI

Matt Meltzer

Matt Meltzer

Matt Meltzer has been a travel writer for over a decade, covering U.S. domestic locations and hotels for Thrillist, Fifty Grande, Matador Network, Conde Nast Traveler, and other top publications. He's won multiple travel journalism awards from the Society of American Travel Writers and North American Travel Journalists Association, and currently resides in South Florida.

Read more
Brandon Schultz

Brandon Schultz

Expert on SEA

Brandon Schultz

Brandon Schultz

Brandon Schultz is an award-winning food and travel writer based in New York City. His work has appeared in Forbes, AAA, Thrillist, Travel + Leisure, and The Daily Meal, among many others, and he is the author of 6 books, including 3 cookbooks.

Read more

Reviews of airlines servicing Kansas City

Get insights into the airlines that provide service to Kansas City. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Kansas City. Reviews last updated October 27, 2025.
Get a feel of what it's like to fly with Alaska Airlines, Southwest, and Delta from Seattle to Kansas City by reading reviews from past customers. Users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
11,193 reviews

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Alaska Airlines
8.0
Very good
11,193 reviews
Alaska Airlines
8.0
Very good
11,193 reviews

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Southwest
8.0
Very good
4,238 reviews
Alaska Airlines
8.0
Very good
11,193 reviews

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Delta
7.9
Good
7,996 reviews
Alaska Airlines
8.0
Very good
11,193 reviews

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
Hawaiian Airlines
7.8
Good
2,792 reviews
Alaska Airlines
8.0
Very good
11,193 reviews

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.
American Airlines
7.2
Good
11,031 reviews
Alaska Airlines
8.0
Very good
11,193 reviews

Food

7.1

Comfort

7.8

Entertainment

7.0

Overall

8.0

Boarding

8.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Sep 2025

SEA - MKE

The crew were excellent, flight good, but the actual space for a person to occupy for 4 hours seems to get smaller and smaller 🤣. I am not overweight, and average height….very uncomfortable,, especially when I couldn’t recliner the seat at all, and the pocket in front doesn’t accommodate a water bottle.

Related info for your journey

Find useful and relevant information for your journey from Seattle to Kansas City. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

  • What airports do I use to fly from Seattle to Kansas City?

    You will need to book a flight from Seattle/Tacoma Intl to Kansas City if you want to fly from Seattle to Kansas City. At least 8 different airlines have flights from Seattle/Tacoma Intl (SEA) to Kansas City (MCI) on a regular basis. There are 6 flights to Kansas City from the Seattle airport per day. If you manage to book one that is nonstop, then you can expect the flight time from SEA to MCI to be around 3h 27m.

  • How popular is this Seattle to Kansas City flight route?

    This flight path from Seattle/Tacoma Intl to Kansas City was viewed by 25 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

  • How long is the flight from Seattle to Kansas City?

    Departing from Seattle to Kansas City will take you 3h 27m. The distance between Seattle and Kansas City is about 1485 mi. This flight may include one or multiple stops.

  • What are the cheapest airlines flying from Seattle to Kansas City round-trip?

    Flying on Delta is currently your cheapest option to Kansas City, with prices starting at $137. Additional round-trip tickets that might be worth considering are offered by Frontier and Spirit Airlines, with the lowest prices starting at $141 and $168, respectively. Delta is priced at 62% lower than the current average price of a flight leaving 3 months from now.

  • What are the most reliable airlines from Seattle to Kansas City?

    No one likes to see their flight delayed. When booking a flight from Seattle to Kansas City consider choosing Japan Airlines (85%), Air Tahiti Nui (85%) or Qatar Airways (82%) as they are the most reliable in getting you off to your destination on time.

  • What are the cheapest flights from Seattle to Kansas City?

    Looking at all options, your cheapest flight can be booked for $138. While the most popular route (Seattle/Tacoma Intl - Kansas City) can be booked for $179 on average, our data indicates $287 when flying from Seattle to Kansas City.

  • Can I find deals for flights from Seattle to Kansas City that include hotel bookings?

    Yes. In addition to deals on Seattle to Kansas City flights, Cheapflights offers vacation packages that include both flights and hotel.

  • How can I find direct flights from Seattle to Kansas City?

    After entering your origin and destination, apply the non-stop filter on the search result page to find direct flights from Seattle to Kansas City.

  • Can I find deals for business class flights from Seattle to Kansas City?

    Yes. Cheapflights offers flight deals from Seattle to Kansas City by cabin class. In addition to browsing deals, you can also filter by cabin class on the search results page after making a search.

  • What is the cheapest month to book a flight from Seattle to Kansas City?

    Currently, February is the cheapest month in which you can book a flight from Seattle to Kansas City (average of $91). Flying from Seattle to Kansas City in March is currently the most expensive (average of $257). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

See more FAQs

Traveling to a place near Kansas City?

Book flights to Kansas City if you plan to visit one of these locations
Shawnee
Lee's Summit
Warrensburg
Kansas City
Belton
North Kansas City
Liberty
Overland Park
Lenexa
Lansing
Lawrence
Olathe

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Alternative routes for Seattle to Kansas City

See prices for flight routes from nearby airports that may be better suited for you.
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Top 8 airlines flying from Seattle to Kansas City

Discover the top 8 airlines that operate flights from Seattle to Kansas City. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,558,603 searches. Data last updated October 27, 2025.
AirlineCheapestAverageFlexibilityOn-time
DeltaCheapest$137Average$344FlexibilityNo cancel feeOn-timeN/A
FrontierCheapest$141Average$281FlexibilityNo cancel feeOn-time62%
Spirit AirlinesCheapest$168Average$310FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$178Average$401FlexibilityNo cancel feeOn-time85%
Alaska AirlinesCheapest$205Average$407FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$216Average$343FlexibilityNo cancel feeOn-time69%
SouthwestCheapest$277Average$431FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$287Average$444FlexibilityNo cancel feeOn-time71%

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