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$109+ 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 8/25. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MCI
juin 17 — juin 241
mar. 6/17
mar. 6/24
1 adult, Economy
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Cheapflights Tip: The best prices from Seattle/Tacoma Intl to Kansas City are usually found in January or September, booked 74 days in advance, depart on a Saturday or Tuesday 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 juin 12, 2025.

Round-trip from

$261
(Booking.com)

One-way from

$109
(American Airlines)

Popular in

May

Cheapest in

January

Average price

$423
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. 10% potential increase in price ($41 potential increase over avg. RT price).
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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 June 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 juin 12, 2025.

This Booking.com deal was found by Cheapflights users on 6/11. 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.
dim. 9/78:34 pmSEA - MCI
1 stop20h 29mFrontier
ven. 9/127:48 pmMCI - SEA
1 stop6h 43mFrontier
Deal found 6/11$261
This American Airlines deal was found by Cheapflights users on 6/12. 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 American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
mar. 8/2612:45 amSEA - MCI
1 stop10h 37mAmerican Airlines
dim. 9/76:15 pmMCI - SEA
1 stop6h 44mAmerican Airlines
Deal found 6/12$262
This CheapOair deal was found by Cheapflights users on 6/11. 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 CheapOair is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
ven. 8/15:30 pmSEA - MCI
1 stop22h 55mSpirit Airlines
mar. 8/52:32 pmMCI - SEA
1 stop27h 53mSpirit Airlines
Deal found 6/11$266
This Hawaiian Airlines deal was found by Cheapflights users on 6/10. 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 Hawaiian Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 8/166:05 pmSEA - MCI
Nonstop3h 30mHawaiian Airlines
lun. 8/186:45 amMCI - SEA
Nonstop4h 02mHawaiian Airlines
Deal found 6/10$277
This FlightHub deal was found by Cheapflights users on 6/10. 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 FlightHub is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
jeu. 7/317:48 pmSEA - MCI
1 stop21h 16mMultiple Airlines
mar. 8/52:32 pmMCI - SEA
1 stop27h 53mMultiple Airlines
Deal found 6/10$279
This Alaska Airlines deal was found by Cheapflights users on 6/10. 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 Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 8/235:20 amSEA - MCI
1 stop8h 41mAlaska Airlines
dim. 8/314:55 pmMCI - SEA
1 stop6h 41mAlaska Airlines
Deal found 6/10$296
This Southwest deal was found by Cheapflights users on 6/11. 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 Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
lun. 8/2511:10 pmSEA - MCI
1 stop9h 00mSouthwest
mer. 8/273:05 pmMCI - SEA
2 stops9h 45mSouthwest
Deal found 6/11$319
This Sun Country Air deal was found by Cheapflights users on 6/12. 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 Sun Country Air is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
sam. 7/197:00 amSEA - MCI
1 stop11h 41mSun Country Air
dim. 7/275:20 pmMCI - SEA
1 stop16h 39mSun Country Air
Deal found 6/12$325
This Delta deal was found by Cheapflights users on 6/10. 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.
mer. 10/112:40 amSEA - MCI
1 stop8h 53mDelta
sam. 10/116:40 amMCI - SEA
Nonstop4h 10mDelta
Deal found 6/10$327
This United Airlines deal was found by Cheapflights users on 6/10. 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.
sam. 8/166:45 amSEA - MCI
2 stops11h 58mUnited Airlines
lun. 8/186:27 pmMCI - SEA
1 stop7h 32mUnited Airlines
Deal found 6/10$332

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 juin 12, 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

dim. 9/7

8:34 pm-7:03 pm

1 stop20h 29m

Kansas City

ven. 9/12

7:48 pm-12:31 am

1 stop6h 43m

$261

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

mar. 8/26

12:45 am-1:22 pm

1 stop10h 37m

Kansas City

dim. 9/7

6:15 pm-10:59 pm

1 stop6h 44m

$262

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

ven. 8/1

5:30 pm-6:25 pm

1 stop22h 55m

Kansas City

mar. 8/5

2:32 pm-4:25 pm

1 stop27h 53m

$266

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

sam. 8/23

9:12 am-2:42 pm

Nonstop3h 30m

Kansas City

dim. 8/31

3:37 pm-5:30 pm

Nonstop3h 53m

$277

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

jeu. 7/31

7:48 pm-7:04 pm

1 stop21h 16m

Kansas City

mar. 8/5

2:32 pm-4:25 pm

1 stop27h 53m

$279

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

sam. 8/23

5:20 am-4:01 pm

1 stop8h 41m

Kansas City

dim. 8/31

4:55 pm-9:36 pm

1 stop6h 41m

$296

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

lun. 8/25

11:10 pm-10:10 am

1 stop9h 00m

Kansas City

mer. 8/27

3:05 pm-10:50 pm

2 stops9h 45m

$319

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

sam. 7/19

7:00 am-8:41 pm

1 stop11h 41m

Kansas City

dim. 7/27

5:20 pm-7:59 am

1 stop16h 39m

$325

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

sam. 8/16

6:45 am-8:43 pm

2 stops11h 58m

Kansas City

lun. 8/18

6:27 pm-11:59 pm

1 stop7h 32m

$332

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

mar. 8/5

5:40 pm-11:09 pm

Nonstop3h 29m

Kansas City

mar. 8/12

6:40 am-8:29 pm

2 stops15h 49m

$386

Flights are sorted by cheapest round-trip flights first.

Deals found on 6/11

Showing 1-10 of 20 results
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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

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 June 9, 2025.

To ensure you get the cheapest price possible for a flight from Seattle to Kansas City, you should look to book at least 74 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, January is the cheapest month in which you can book a flight from Seattle to Kansas City (average of $298). Flying from Seattle to Kansas City in June is currently the most expensive (average of $352). 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 juin 12, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 33% 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 June 8, 2025.

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

Weekly flight availability from Seattle to Kansas City

Explore weekly flight availability from Seattle to Kansas City. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated juin 12, 2025.

The most flights from SEA to MCI are scheduled on a Thursday (17 on average). You will have fewer flight options on Saturday, which is when the least amount of flights are scheduled (6 on average).

Rainfall in Kansas City by month

Plan your trip to Kansas City by taking into account the average rainfall totals by month.

In terms of precipitation, rainfall in Kansas City ranges from 1.1 - 5.2 inches per month. May is typically the wettest month, when rainfall can reach 5.2 in. January is typically the driest time to visit Kansas City when rainfall is around 1.1 in.

Temperature in Kansas City by month

Plan your trip to Kansas City by taking into account the average temperature totals by month.

If weather is an important factor for your trip to Kansas City, use this chart to help with planning. For those seeking warmer temperatures, July is the ideal time of year to visit, when temperatures reach an average of 78.8 F. Travelers looking to avoid the cold should look outside of January, when temperatures are typically at their lowest (around 28.4 F).

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 juin 12, 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. In addition to providing an overall rating, users have also rated airlines in terms of entertainment options, comfort, food, crew/service, and boarding process.
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Southwest
8.0
Very good
4,287 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Delta
8.0
Very good
7,946 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
Hawaiian Airlines
7.9
Good
2,494 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥
United Airlines
7.4
Good
8,790 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Overall

8.0

Food

7.1

Boarding

8.1

Comfort

7.8

Entertainment

7.1

Crew

8.5

Reviews

1 / 20
8.0
Excellent

Anonymous,Aug 2024

SEA - LAS

Seats were not that comfy especially for someone with big hips 😥

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 10 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 26m.

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

    This flight path from Seattle/Tacoma Intl to Kansas City was viewed by 17 users in the past month. Keep an eye out for changes in search interest prior to high and low season.

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

    Flying on Frontier is currently your cheapest option to Kansas City, with prices starting at $261. Additional round-trip tickets that might be worth considering are offered by American Airlines and Spirit Airlines, with the lowest prices starting at $262 and $266, respectively. Frontier is priced at 28% lower than the current average price of a flight leaving 3 months from now.

  • What are the cheapest airlines to fly from Seattle to Kansas City one-way?

    To fly one-way, consider booking your trip with American Airlines, which is currently one of the cheapest options available, starting at $109. Frontier flights start at $114 while deals on United Airlines start at $119 one-way.

  • 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 Scandinavian Airlines (100%), Qatar Airways (90%) or KLM (83%) 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 $266 on average our data indicates $329 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, January is the cheapest month in which you can book a flight from Seattle to Kansas City (average of $298). Flying from Seattle to Kansas City in June is currently the most expensive (average of $352). 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 Seattle?

Book flights to Seattle if you plan to visit one of these locations
Shawnee
Liberty
Overland Park
Lenexa
North Kansas City
Kansas City
Lansing
Lawrence
Olathe
Belton

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Alternative routes for Seattle to Kansas City

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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 juin 12, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$118Average$199FlexibilityNo cancel feeOn-time62%
DeltaCheapest$141Average$352FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$171Average$311FlexibilityNo cancel feeOn-time65%
American AirlinesCheapest$196Average$444FlexibilityNo cancel feeOn-time71%
Alaska AirlinesCheapest$204Average$376FlexibilityNo cancel feeOn-time75%
United AirlinesCheapest$216Average$348FlexibilityNo cancel feeOn-time69%
Hawaiian AirlinesCheapest$218Average$435FlexibilityNo cancel feeOn-time85%
SouthwestCheapest$246Average$421FlexibilityNo cancel feeOn-time63%

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