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Cheap flights from Seattle to Kansas City from $81

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Seattle to Kansas City departing on 10/17. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
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0 bags

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Find the cheapest flights from Seattle to Kansas City

Cheap round-trip flights

Frontier Logo
8:43 pm - 7:53 pmSEA-MCI
21h 10m1 stop
Frontier Logo
8:38 pm - 12:13 pmMCI-SEA
17h 35m1 stop
$197Frontier
Find Deal
Wed, Oct 22 - Mon, Oct 27
Frontier Logo
8:43 pm - 5:55 pmSEA-MCI
19h 12m1 stop
Frontier Logo
8:38 pm - 12:07 pmMCI-SEA
17h 29m1 stop
$203Frontier
Find Deal
Fri, Oct 10 - Thu, Oct 16
Frontier Logo
8:43 pm - 5:55 pmSEA-MCI
19h 12m1 stop
Frontier Logo
8:38 pm - 7:33 amMCI-SEA
12h 55m1 stop
$204Frontier
Find Deal
Fri, Oct 10 - Thu, Oct 16
Delta Logo
5:50 pm - 11:22 pmSEA-MCI
3h 32mnonstop
Delta Logo
7:40 am - 9:52 amMCI-SEA
4h 12mnonstop
$233Delta
Find Deal
Sun, Dec 14 - Sun, Jan 4
Hawaiian Airlines Logo
6:27 pm - 11:59 pmSEA-MCI
3h 32mnonstop
Hawaiian Airlines Logo
3:28 pm - 5:27 pmMCI-SEA
3h 59mnonstop
$257Hawaiian Airlines
Find Deal
Sat, Oct 11 - Sat, Oct 18
Delta Logo
5:50 pm - 11:21 pmSEA-MCI
3h 31mnonstop
Delta Logo
6:53 am - 8:55 amMCI-SEA
4h 02mnonstop
$267Delta
Find Deal
Tue, Oct 21 - Fri, Oct 31
Hawaiian Airlines Logo
8:00 am - 4:20 pmSEA-MCI
6h 20m1 stop
Hawaiian Airlines Logo
5:55 pm - 10:24 pmMCI-SEA
6h 29m1 stop
$276Hawaiian Airlines
Find Deal
Wed, Feb 18 - Wed, Mar 4
Southwest Logo
5:50 am - 2:40 pmSEA-MCI
6h 50m1 stop
Southwest Logo
2:40 pm - 12:30 amMCI-SEA
11h 50m2 stops
$292Southwest
Find Deal
Fri, Nov 7 - Mon, Nov 10
Alaska Airlines Logo
9:00 am - 4:20 pmSEA-MCI
5h 20m1 stop
Alaska Airlines Logo
5:55 pm - 10:24 pmMCI-SEA
6h 29m1 stop
$296Alaska Airlines
Find Deal
Sun, Jan 25 - Fri, Jan 30
Alaska Airlines Logo
6:47 pm - 12:13 amSEA-MCI
3h 26mnonstop
Alaska Airlines Logo
4:56 pm - 11:15 pmMCI-SEA
8h 19m1 stop
$297Alaska Airlines
Find Deal
Tue, Dec 23 - Thu, Dec 25

Frontier flights from Seattle to Kansas City

Our best Frontier deals on Seattle to Kansas City flight tickets
Frontier
Oct 22
SEA8:43 pmSeattle/Tacoma Intl
21h 10m
1 stop
MCI7:53 pmKansas City
Oct 27
MCI8:38 pmKansas City
17h 35m
1 stop
SEA12:13 pmSeattle/Tacoma Intl
$197
Find similar
Frontier
Oct 10
SEA8:43 pmSeattle/Tacoma Intl
19h 12m
1 stop
MCI5:55 pmKansas City
Oct 16
MCI8:38 pmKansas City
17h 29m
1 stop
SEA12:07 pmSeattle/Tacoma Intl
$203
Find similar
Frontier
Oct 10
SEA8:43 pmSeattle/Tacoma Intl
19h 12m
1 stop
MCI5:55 pmKansas City
Oct 16
MCI8:38 pmKansas City
12h 55m
1 stop
SEA7:33 amSeattle/Tacoma Intl
$204
Find similar

United Airlines flights from Seattle to Kansas City

Our best United Airlines deals on Seattle to Kansas City flight tickets
United Airlines
Oct 6
SEA11:40 pmSeattle/Tacoma Intl
8h 57m
1 stop
MCI10:37 amKansas City
Oct 7
MCI5:18 pmKansas City
6h 16m
1 stop
SEA9:34 pmSeattle/Tacoma Intl
$232
Find similar
United Airlines
Oct 18
SEA11:40 pmSeattle/Tacoma Intl
7h 29m
1 stop
MCI9:09 amKansas City
Oct 27
MCI5:10 pmKansas City
8h 00m
1 stop
SEA11:10 pmSeattle/Tacoma Intl
$237
Find similar
United Airlines
Nov 1
SEA12:41 pmSeattle/Tacoma Intl
9h 01m
2 stops
MCI11:42 pmKansas City
Nov 4
MCI5:11 pmKansas City
6h 22m
1 stop
SEA9:33 pmSeattle/Tacoma Intl
$242
Find similar

momondo 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, momondo users made 832,500 searches. Data last updated September 17, 2025.
Use the filters below to find and compare flights from Seattle to Kansas City that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Wed 10/22

8:43 pm-7:53 pm

1 stop21h 10m

Kansas City

Mon 10/27

8:38 pm-12:13 pm

1 stop17h 35m

$197

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Fri 10/10

8:43 pm-5:55 pm

1 stop19h 12m

Kansas City

Thu 10/16

8:38 pm-12:07 pm

1 stop17h 29m

$203

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Fri 10/10

8:43 pm-5:55 pm

1 stop19h 12m

Kansas City

Thu 10/16

8:38 pm-7:33 am

1 stop12h 55m

$204

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Sun 12/14

5:50 pm-11:22 pm

Nonstop3h 32m

Kansas City

Sun 1/4

7:40 am-9:52 am

Nonstop4h 12m

$233

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Sat 10/11

6:27 pm-11:59 pm

Nonstop3h 32m

Kansas City

Sat 10/18

3:28 pm-5:27 pm

Nonstop3h 59m

$257

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

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Wed 2/18

8:00 am-4:20 pm

1 stop6h 20m

Kansas City

Wed 3/4

5:55 pm-10:24 pm

1 stop6h 29m

$276

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Fri 11/7

5:50 am-2:40 pm

1 stop6h 50m

Kansas City

Mon 11/10

2:40 pm-12:30 am

2 stops11h 50m

$292

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Sun 1/25

9:00 am-4:20 pm

1 stop5h 20m

Kansas City

Fri 1/30

5:55 pm-10:24 pm

1 stop6h 29m

$296

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Tue 12/23

6:47 pm-12:13 am

Nonstop3h 26m

Kansas City

Thu 12/25

4:56 pm-11:15 pm

1 stop8h 19m

$297

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
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See travel insights to Kansas City from

How to get the cheapest flight ticket from Seattle to Kansas City

Look no further. We've gone through all the searches for this route on momondo so you have the important information and insights to find the cheapest flight ticket for your trip

What is the cheapest month to fly to Kansas City?

In general, January is the cheapest month to fly from Seattle to Kansas City. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $276. If you’re not able to fly to Kansas City in January, then February is your next best option. Flight prices from Seattle to Kansas City during February average around $296.

What is the cheapest day to depart on your flight to Kansas City?

The cheapest day to depart on your flight to Kansas City is on a Tuesday when prices can be found for as low as $332. This is often the case because there is less demand to fly during this day of the week. Flights from Seattle to Kansas City on a Sunday will generally be more expensive and average around $562. Keep in mind that these prices on both days could fluctuate depending on the season and the demand.

What is the cheapest time of day to depart on your flight to Kansas City?

Flying to Kansas City from Seattle in the evening is the least expensive time of day to depart. momondo users have found prices as low as $272 when looking at flights departing in the evening. Try not to purchase tickets at noon because they tend to be around $443. Of course, these prices can vary depending on the time of year and what airport you fly to.

What is the cheapest Seattle/Tacoma Intl to Kansas City flight route?

Fly from Seattle/Tacoma Intl to Kansas City for the best Seattle/Tacoma Intl - Kansas City flight prices

How far in advance should I book a flight to Kansas City?

You are more likely to see cheaper flights to Kansas City from Seattle when booking weeks ahead of your departure date. In general, you can expect to find flights to Kansas City for around $370 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Kansas City from Seattle for as low as $255 on momondo.

What cabin class options are available on Seattle/Tacoma Intl to Kansas City flights?

There are 4 cabin classes available to choose from on Seattle/Tacoma Intl to Kansas City flights. Cabin price and availability will vary by airline so perform a search above to find the right deals for you.

Can stopping save me money on Seattle to Kansas City flights?

You could potentially save up to 8% on your flight if you consider stops on a Seattle to Kansas City flight.

How have Seattle to Kansas City flight prices changed over time?

As of September 2025, prices for Seattle to Kansas City flights are approximately 9% cheaper when compared to flights at the same time last year.

When to book flights from Seattle to Kansas City

Are you open to changing your travel dates? Check out the ideal times to fly from Seattle to Kansas City according to our flight data. Find out which month and days have the cheapest flights.
Estimated round-trip price

Cheap Seattle to Kansas City (SEA to MCI) flight deals and tips

Find info about flight duration, direct flights, and airports for your flight from Seattle to Kansas City

Best Price Found

$178

Fastest flight time

3h 26m

Direct flights

Every day

Airports in Kansas City

1 airport
The best one-way flight to Kansas City from Seattle in the past 72 hours is $178. The best round-trip flight deal from Seattle to Kansas City found on momondo in the last 72 hours is $291.
The fastest flight from Seattle to Kansas City takes 3h 26m
Direct flights go from Seattle to Kansas City every day.
There is 1 airport near Kansas City: Kansas City (MCI)
Search flight deals

  • How far is Seattle/Tacoma Intl to Kansas City by plane?

    The straight-line distance from Seattle/Tacoma Intl to Kansas City is 1503.6 mi. By plane, this route typically takes 3h 26m.

  • When did momondo last update prices for flights from Seattle/Tacoma Intl Airport to Kansas City Airport?

    Prices for flights from Seattle/Tacoma Intl Airport to Kansas City Airport refresh daily.

  • How many operators does momondo search for flights from Seattle/Tacoma Intl Airport to Kansas City Airport?

  • How old do you have to be to fly from Seattle/Tacoma Intl Airport to Kansas City Airport?

    The minimum age for a child to fly alone is five, but airlines offering an unaccompanied minor (UNMR) service may have their age restrictions, such as regulations concerning flight duration, timing, and layovers. It is recommended that you verify with the airline you are booking with for travel from Seattle/Tacoma Intl Airport to Kansas City Airport.

  • What documentation or ID do you need to fly to Kansas City Airport?

    The travel and health documents you'll need for your trip to Kansas City Airport may differ based on your itinerary and personal situation. Typically, you should have several documents on hand, such as a national ID card or driver's license and a passport that is valid for six months after your intended arrival at Kansas City Airport. It is always advisable to seek advice from your airline or a trusted third party, such as IATA.

  • What is the most popular plane model from Seattle to Kansas City?

  • What is the most popular airline from Seattle to Kansas City?

Best airlines flying from Seattle to Kansas City

Compare and see reviews for airlines that fly from Seattle to Kansas City with momondo
Airline
Rating
Free Cancellation
Price
FrontierPriceFrom $118Free CancellationRating
5.8
3,173 reviews
Search Frontier flights
DeltaPriceFrom $137Free CancellationRating
7.9
7,961 reviews
Search Delta flights
Spirit AirlinesPriceFrom $168Free CancellationRating
6.3
8,023 reviews
Search Spirit Airlines flights
Hawaiian AirlinesPriceFrom $178Free CancellationRating
7.8
2,729 reviews
Search Hawaiian Airlines flights
United AirlinesPriceFrom $216Free CancellationRating
7.4
8,926 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $223Free CancellationRating
8.0
10,000 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $236Free CancellationRating
8.0
4,242 reviews
Search Southwest flights
American AirlinesPriceFrom $287Free CancellationRating
7.2
10,000 reviews
Search American Airlines flights

  • Alaska Airlines Flights From Seattle to Kansas City

    Alaska Airlines flight deals from Seattle to Kansas City start from $223 round-trip. Over the 10 Alaska Airlines flights for this route in a normal week, average airfare is usually $405 round-trip - but some users have found much cheaper deals with momondo.

  • Delta Flights From Seattle to Kansas City

    Another popular option for Seattle to Kansas City flights is Delta (7.9/10, 7,961 ratings). Delta flies from Seattle to Kansas City around 6 times per week, with deals starting from $137 round-trip and rising to an average price of around $351.

Traveling to a place near Kansas City?

Book flights to Kansas City if you plan to visit one of these locations
Topeka
Overland Park
Kansas City
Lawrence
Independence
Olathe
Liberty
Blue Springs
Lenexa
Lee's Summit
Shawnee
Leavenworth
Excelsior Springs
North Kansas City
Warrensburg
Belton
Gladstone
Cameron
Missouri City
Lansing

Why use momondo?

Why should I use momondo to find a flight deal from Seattle to Kansas City?

momondo compares prices from hundreds of airlines and agents so you can find and book the best deal on flights from Seattle to Kansas City. Millions of users trust and use momondo every year so you are in good hands.

Can I find flights from Seattle to Kansas City with flexible booking policies on momondo?

Yes. momondo enables you to select and highlight flights to Kansas City from Seattle with this policy.

How can momondo help me find flights from Seattle to Kansas City?

Once you have performed a search in the form on the page, momondo provides useful filters and insights. We can show you the cheapest days and times to fly as well as help filter your options to help you make an informed choice when booking flights to Kansas City from Seattle.

I’m not ready to book a flight from Seattle to Kansas City right now. Can momondo alert me if prices change?

Yes. momondo can track prices for Seattle to Kansas City flights and alert you when they change. Perform a search to set up the price alert. All that is required is a valid email address.

An easier way to manage your Kansas City trip

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