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$71+ 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 10/17. Fares are subject to change and may not be available on all flights or dates of travel.
SEA — MCI
Oct 11 — Oct 181
Sat 10/11
Sat 10/18
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 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 September 11, 2025.

Round-trip from

$184
(Kiwi.com)

One-way from

$71
(Trip.com)

Popular in

May

Cheapest in

January

Average price

$294
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).
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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 September 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 September 11, 2025.

This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:22 pmSEA - MCI
1 stop27h 16mMultiple Airlines
Thu 11/67:00 amMCI - SEA
1 stop13h 32mMultiple Airlines
Deal found 9/10$184
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/276:39 pmSEA - MCI
1 stop17h 21mMultiple Airlines
Sat 11/88:28 pmMCI - SEA
1 stop17h 45mMultiple Airlines
Deal found 9/10$189
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/301:18 pmSEA - MCI
1 stop28h 15mMultiple Airlines
Thu 11/67:00 amMCI - SEA
1 stop13h 32mMultiple Airlines
Deal found 9/10$191
This Frontier deal was found by Cheapflights users on 9/11. 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 Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 11/112:58 pmSEA - MCI
2 stops20h 19mFrontier
Sat 11/88:28 pmMCI - SEA
1 stop17h 45mFrontier
Deal found 9/11$194
This Mytrip deal was found by Cheapflights users on 9/8. 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.
Fri 10/3112:58 pmSEA - MCI
2 stops28h 40mFrontier
Mon 11/38:28 pmMCI - SEA
1 stop17h 45mFrontier
Deal found 9/8$197
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/17:00 amSEA - MCI
1 stop28h 48mFrontier
Sun 10/128:38 pmMCI - SEA
1 stop12h 55mFrontier
Deal found 9/10$202
This Kiwi.com deal was found by Cheapflights users on 9/9. 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.
Sun 10/268:43 pmSEA - MCI
1 stop21h 10mFrontier
Sat 11/88:28 pmMCI - SEA
1 stop17h 45mFrontier
Deal found 9/9$204
This Booking.com deal was found by Cheapflights users on 9/8. 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
2 stops45h 11mFrontier
Sun 11/98:28 pmMCI - SEA
1 stop17h 45mFrontier
Deal found 9/8$205
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/312:22 pmSEA - MCI
1 stop27h 16mMultiple Airlines
Fri 11/77:00 amMCI - SEA
1 stop13h 32mMultiple Airlines
Deal found 9/10$207
This Kiwi.com deal was found by Cheapflights users on 9/10. 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 Kiwi.com is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 10/276:39 pmSEA - MCI
1 stop17h 21mMultiple Airlines
Mon 11/38:28 pmMCI - SEA
1 stop17h 45mMultiple Airlines
Deal found 9/10$208

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 September 11, 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

Thu 11/13

5:50 am-2:40 pm

1 stop6h 50m

Kansas City

Sat 11/15

3:25 pm-8:20 pm

1 stop6h 55m

$205

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Tue 10/28

5:50 am-3:50 pm

2 stops8h 00m

Kansas City

Tue 11/4

3:20 pm-10:55 pm

2 stops9h 35m

$241

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Sat 10/25

5:50 pm-11:21 pm

Nonstop3h 31m

Kansas City

Sat 11/1

6:53 am-8:55 am

Nonstop4h 02m

$257

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Tue 10/28

5:30 pm-11:01 pm

Nonstop3h 31m

Kansas City

Wed 11/5

6:53 am-8:55 am

Nonstop4h 02m

$257

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Wed 10/8

5:50 pm-11:21 pm

Nonstop3h 31m

Kansas City

Wed 10/15

6:53 am-8:55 am

Nonstop4h 02m

$257

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Wed 10/29

8:33 am-2:02 pm

Nonstop3h 29m

Kansas City

Sun 11/2

7:00 am-9:05 am

Nonstop4h 05m

$267

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Wed 10/1

9:12 am-2:42 pm

Nonstop3h 30m

Kansas City

Sun 10/5

7:00 am-8:55 am

Nonstop3h 55m

$267

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Thu 11/13

6:16 pm-11:46 pm

Nonstop3h 30m

Kansas City

Sat 11/15

7:00 am-9:05 am

Nonstop4h 05m

$267

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Tue 10/28

8:33 am-2:02 pm

Nonstop3h 29m

Kansas City

Sun 11/2

7:00 am-9:05 am

Nonstop4h 05m

$267

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Tue 10/21

5:50 pm-11:21 pm

Nonstop3h 31m

Kansas City

Fri 10/31

6:53 am-8:55 am

Nonstop4h 02m

$267

Flights are sorted by cheapest round-trip flights first.

Deals found on 9/9

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 August 29, 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 September 11, 2025.

Unlike in the morning, when flights are generally more expensive, you can save up to 37% 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 September 7, 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 mornings flights should be avoided if possible as fares are typically the most expensive at this time.

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 September 11, 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
10,000 reviews

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Alaska Airlines
8.0
Very good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Southwest
8.0
Very good
4,248 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Delta
8.0
Very good
7,960 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
Hawaiian Airlines
7.8
Good
2,723 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.
American Airlines
7.2
Good
10,000 reviews
Alaska Airlines
8.0
Very good
10,000 reviews

Boarding

8.1

Entertainment

7.0

Comfort

7.8

Food

7.1

Crew

8.5

Overall

8.0

Reviews

1 / 20
10.0
Excellent

Jonathan,Jul 2025

SEA - BOS

Fantastic Check-in with easy baggage drop. While it took a while to find out which was the gate, the boarding was a dream, the stewards were simply incredible and the flight fantastic.

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 23 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 31m. 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 Frontier is currently your cheapest option to Kansas City, with prices starting at $118. Additional round-trip tickets that might be worth considering are offered by Delta and Spirit Airlines, with the lowest prices starting at $137 and $168, respectively. Frontier is priced at 67% 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 KLM (100%), Scandinavian Airlines (72%) or Japan Airlines (68%) 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 $148. While the most popular route (Seattle/Tacoma Intl - Kansas City) can be booked for $164 on average, our data indicates $313 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 Kansas City?

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

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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 September 11, 2025.
AirlineCheapestAverageFlexibilityOn-time
FrontierCheapest$118Average$237FlexibilityNo cancel feeOn-time62%
DeltaCheapest$137Average$346FlexibilityNo cancel feeOn-timeN/A
Spirit AirlinesCheapest$168Average$310FlexibilityNo cancel feeOn-time65%
Hawaiian AirlinesCheapest$178Average$399FlexibilityNo cancel feeOn-time85%
United AirlinesCheapest$216Average$348FlexibilityNo cancel feeOn-time69%
Alaska AirlinesCheapest$223Average$400FlexibilityNo cancel feeOn-time75%
SouthwestCheapest$236Average$413FlexibilityNo cancel feeOn-time63%
American AirlinesCheapest$287Average$444FlexibilityNo cancel feeOn-time71%

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