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Cheap flights from Seattle to Kansas City from $88

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 10/20. Fares may change, and may not be available for all flights or travel dates. Click the price to refresh the search for this deal.
1 adult
1 adult, Economy, 0 bags

Discover deals from 900+ travel sites with momondo.

Find the cheapest flights from Seattle to Kansas City

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
7:06 pm - 1:00 pm
SEA
-
MCI
15h 54m
1 stop
Frontier Logo
1:45 pm - 9:17 am
MCI
-
SEA
21h 32m
1 stop
$377Frontier
Mon, Jul 20 - Tue, Jul 28
Frontier Logo
7:06 pm - 1:00 pm
SEA
-
MCI
15h 54m
1 stop
Frontier Logo
4:32 pm - 10:39 am
MCI
-
SEA
20h 07m
1 stop
$378Frontier
Sat, Jul 11 - Sun, Jul 12
Frontier Logo
7:41 pm - 1:00 pm
SEA
-
MCI
15h 19m
1 stop
Frontier Logo
1:45 pm - 9:17 am
MCI
-
SEA
21h 32m
1 stop
$379Frontier
Wed, Jul 1 - Tue, Jul 7
Delta Logo
5:30 pm - 11:00 pm
SEA
-
MCI
3h 30mnonstop
Delta Logo
3:45 pm - 10:11 pm
MCI
-
SEA
8h 26m
1 stop
$380Delta
Wed, Oct 14 - Mon, Oct 19
Alaska Airlines Logo
8:37 am - 5:18 pm
SEA
-
MCI
6h 41m
1 stop
Alaska Airlines Logo
3:11 pm - 5:16 pm
MCI
-
SEA
4h 05mnonstop
$381Alaska Airlines
Wed, Oct 14 - Sun, Oct 18
Frontier Logo
7:06 pm - 1:00 pm
SEA
-
MCI
15h 54m
1 stop
Frontier Logo
1:45 pm - 9:17 am
MCI
-
SEA
21h 32m
1 stop
$382Frontier
Sat, Jul 18 - Mon, Jul 27
Multiple Airlines Logo
7:06 pm - 1:00 pm
SEA
-
MCI
15h 54m
1 stop
Multiple Airlines Logo
7:58 pm - 9:58 pm
MCI
-
SEA
4h 00mnonstop
$383Multiple Airlines
Sat, Jul 18 - Mon, Jul 27
Multiple Airlines Logo
8:12 am - 1:57 pm
SEA
-
MCI
3h 45mnonstop
Multiple Airlines Logo
2:17 pm - 12:27 am
MCI
-
SEA
12h 10m
1 stop
$384Multiple Airlines
Fri, Sep 18 - Sun, Sep 20
Delta Logo
5:30 pm - 11:02 pm
SEA
-
MCI
3h 32mnonstop
Delta Logo
7:15 am - 9:12 am
MCI
-
SEA
3h 57mnonstop
$385Delta
Thu, Aug 13 - Mon, Aug 17
Alaska Airlines Logo
8:12 am - 1:57 pm
SEA
-
MCI
3h 45mnonstop
Alaska Airlines Logo
1:34 pm - 3:29 pm
MCI
-
SEA
3h 55mnonstop
$386Alaska Airlines
Thu, Sep 24 - Sun, Sep 27

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Frontier flights from Seattle to Kansas City

Our best Frontier deals on Seattle to Kansas City flight tickets
Frontier
Jul 20
SEA7:06 pmSeattle/Tacoma Intl
15h 54m
1 stop
MCI1:00 pmKansas City
Jul 28
MCI1:45 pmKansas City
21h 32m
1 stop
SEA9:17 amSeattle/Tacoma Intl
$377
Frontier
Jul 11
SEA7:06 pmSeattle/Tacoma Intl
15h 54m
1 stop
MCI1:00 pmKansas City
Jul 12
MCI4:32 pmKansas City
20h 07m
1 stop
SEA10:39 amSeattle/Tacoma Intl
$378
Frontier
Jul 1
SEA7:41 pmSeattle/Tacoma Intl
15h 19m
1 stop
MCI1:00 pmKansas City
Jul 7
MCI1:45 pmKansas City
21h 32m
1 stop
SEA9:17 amSeattle/Tacoma Intl
$379

Alaska Airlines flights from Seattle to Kansas City

Our best Alaska Airlines deals on Seattle to Kansas City flight tickets
Alaska Airlines
Sep 17
SEA8:12 amSeattle/Tacoma Intl
3h 45m
MCI1:57 pmKansas City
Sep 20
MCI7:00 amKansas City
3h 57m
SEA8:57 amSeattle/Tacoma Intl
$386
Alaska Airlines
Jul 15
SEA6:27 pmSeattle/Tacoma Intl
3h 32m
MCI11:59 pmKansas City
Jul 22
MCI7:58 pmKansas City
4h 00m
SEA9:58 pmSeattle/Tacoma Intl
$389
Alaska Airlines
Jul 15
SEA6:27 pmSeattle/Tacoma Intl
3h 32m
MCI11:59 pmKansas City
Jul 22
MCI7:58 pmKansas City
4h 00m
SEA9:58 pmSeattle/Tacoma Intl
$398

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 June 20, 2026.
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

Cheapest round-trip

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Mon 7/20

7:06 pm-1:00 pm

1 stop15h 54m

Kansas City

Tue 7/28

1:45 pm-9:17 am

1 stop21h 32m

$377

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Sat 7/11

7:06 pm-1:00 pm

1 stop15h 54m

Kansas City

Sun 7/12

4:32 pm-10:39 am

1 stop20h 07m

$378

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Wed 7/1

7:41 pm-1:00 pm

1 stop15h 19m

Kansas City

Tue 7/7

1:45 pm-9:17 am

1 stop21h 32m

$379

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Wed 10/14

5:30 pm-11:00 pm

Nonstop3h 30m

Kansas City

Mon 10/19

3:45 pm-10:11 pm

1 stop8h 26m

$380

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Wed 10/14

8:37 am-5:18 pm

1 stop6h 41m

Kansas City

Sun 10/18

3:11 pm-5:16 pm

Nonstop4h 05m

$381

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Sat 7/18

7:06 pm-1:00 pm

1 stop15h 54m

Kansas City

Mon 7/27

1:45 pm-9:17 am

1 stop21h 32m

$382

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Sat 7/18

7:06 pm-1:00 pm

1 stop15h 54m

Kansas City

Mon 7/27

7:58 pm-9:58 pm

Nonstop4h 00m

$383

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Fri 9/18

8:12 am-1:57 pm

Nonstop3h 45m

Kansas City

Sun 9/20

2:17 pm-12:27 am

1 stop12h 10m

$384
Quickest round-trip

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Thu 8/13

5:30 pm-11:02 pm

Nonstop3h 32m

Kansas City

Mon 8/17

7:15 am-9:12 am

Nonstop3h 57m

$385

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Thu 9/24

8:12 am-1:57 pm

Nonstop3h 45m

Kansas City

Sun 9/27

1:34 pm-3:29 pm

Nonstop3h 55m

$386

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 typical price of a round-trip flight between Seattle and Kansas City?

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 $237. If you’re not able to fly to Kansas City in January, then March is your next best option. Flight prices from Seattle to Kansas City during March average around $308.

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 Thursday when prices can be found for as low as $374. 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 Monday will generally be more expensive and average around $497. 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 afternoon is the least expensive time of day to depart. momondo users have found prices as low as $375 when looking at flights departing in the afternoon. Try not to purchase tickets at noon because they tend to be around $478. 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 from Seattle 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 $328 on momondo.

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

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

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

As of June 2026, prices for Seattle to Kansas City flights are approximately 53% more expensive 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

$223

Fastest flight time

3h 30m

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 $223. The best round-trip flight deal from Seattle to Kansas City found on momondo in the last 72 hours is $392.
The fastest flight from Seattle to Kansas City takes 3h 30m
Direct flights go from Seattle to Kansas City every day.
There is 1 airport in Kansas City. From Seattle there are direct flights to Kansas City (MCI).
Search flight deals

Frequently asked questions about flying from Seattle to Kansas City

  • 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 30m.

  • 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 $135Free CancellationRating
5.6
2,878 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $148Free CancellationRating
7.8
2,827 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $148Free CancellationRating
7.8
8,419 reviews
Search Delta flights
United AirlinesPriceFrom $158Free CancellationRating
7.4
9,864 reviews
Search United Airlines flights
SouthwestPriceFrom $178Free CancellationRating
7.9
4,242 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $199Free CancellationRating
7.9
12,549 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $278Free CancellationRating
7.1
11,713 reviews
Search American Airlines flights

  • Southwest Flights From Seattle to Kansas City

    Southwest flight deals from Seattle to Kansas City start from $178 round-trip. Over the 7 Southwest flights for this route in a normal week, average airfare is usually $428 round-trip - but some users have found much cheaper deals with momondo.

  • Alaska Airlines Flights From Seattle to Kansas City

    Another popular option for Seattle to Kansas City flights is Alaska Airlines (7.9/10, 12,549 ratings). Alaska Airlines flies from Seattle to Kansas City around 10 times per week, with deals starting from $199 round-trip and rising to an average price of around $415.

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
Independence
Lawrence
Lenexa
Blue Springs
Olathe
Liberty
Lee's Summit
North Kansas City
Leavenworth
Gladstone
Belton
Shawnee
Warrensburg
Excelsior Springs
Cameron
Lansing
Missouri City

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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