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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 6/30. 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
0 bags

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Find the cheapest flights from Seattle to Kansas City

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
3:19 pm - 1:00 pm
SEA
-
MCI
19h 41m
1 stop
Frontier Logo
1:45 pm - 9:48 am
MCI
-
SEA
22h 03m
1 stop
$234Frontier
Wed, Aug 19 - Sat, Aug 22
Delta Logo
5:30 pm - 11:10 pm
SEA
-
MCI
3h 40mnonstop
Delta Logo
7:05 am - 9:05 am
MCI
-
SEA
4h 00mnonstop
$237Delta
Fri, May 29 - Tue, Jun 2
Frontier Logo
7:41 pm - 12:55 pm
SEA
-
MCI
15h 14m
1 stop
Frontier Logo
1:45 pm - 9:49 am
MCI
-
SEA
22h 04m
1 stop
$240Frontier
Wed, Jul 29 - Tue, Aug 11
Delta Logo
5:30 pm - 11:10 pm
SEA
-
MCI
3h 40mnonstop
Delta Logo
7:26 am - 3:05 pm
MCI
-
SEA
9h 39m
1 stop
$247Delta
Fri, May 29 - Tue, Jun 2
Frontier Logo
3:19 pm - 5:29 pm
SEA
-
MCI
24h 10m
2 stops
Frontier Logo
2:34 pm - 9:48 am
MCI
-
SEA
21h 14m
1 stop
$251Frontier
Thu, Jun 4 - Mon, Jun 8
Southwest Logo
5:35 pm - 1:40 am
SEA
-
MCI
6h 05m
1 stop
Southwest Logo
9:15 pm - 1:40 am
MCI
-
SEA
6h 25m
1 stop
$252Southwest
Thu, Jun 4 - Thu, Jun 11
Frontier Logo
7:41 pm - 12:55 pm
SEA
-
MCI
15h 14m
1 stop
Frontier Logo
1:45 pm - 9:49 am
MCI
-
SEA
22h 04m
1 stop
$254Frontier
Mon, Aug 3 - Mon, Aug 10
Delta Logo
12:40 pm - 11:59 pm
SEA
-
MCI
9h 19m
1 stop
Delta Logo
7:40 pm - 12:10 am
MCI
-
SEA
6h 30m
1 stop
$257Delta
Fri, May 29 - Tue, Jun 2
Southwest Logo
5:35 pm - 1:40 am
SEA
-
MCI
6h 05m
1 stop
Southwest Logo
2:55 pm - 9:30 pm
MCI
-
SEA
8h 35m
2 stops
$258Southwest
Fri, Jun 12 - Mon, Jun 15
Frontier Logo
3:34 pm - 12:55 pm
SEA
-
MCI
19h 21m
1 stop
Frontier Logo
1:50 pm - 10:39 am
MCI
-
SEA
22h 49m
1 stop
$260Frontier
Mon, Jul 13 - Fri, Jul 17

Frontier flights from Seattle to Kansas City

Our best Frontier deals on Seattle to Kansas City flight tickets
Frontier
Aug 19
SEA3:19 pmSeattle/Tacoma Intl
19h 41m
1 stop
MCI1:00 pmKansas City
Aug 22
MCI1:45 pmKansas City
22h 03m
1 stop
SEA9:48 amSeattle/Tacoma Intl
$234
Frontier
Jul 29
SEA7:41 pmSeattle/Tacoma Intl
15h 14m
1 stop
MCI12:55 pmKansas City
Aug 11
MCI1:45 pmKansas City
22h 04m
1 stop
SEA9:49 amSeattle/Tacoma Intl
$240
Frontier
Jun 4
SEA3:19 pmSeattle/Tacoma Intl
24h 10m
2 stops
MCI5:29 pmKansas City
Jun 8
MCI2:34 pmKansas City
21h 14m
1 stop
SEA9:48 amSeattle/Tacoma Intl
$251

Delta flights from Seattle to Kansas City

Our best Delta deals on Seattle to Kansas City flight tickets
Delta
May 29
SEA5:30 pmSeattle/Tacoma Intl
3h 40m
MCI11:10 pmKansas City
Jun 2
MCI7:05 amKansas City
4h 00m
SEA9:05 amSeattle/Tacoma Intl
$237
Delta
May 29
SEA5:30 pmSeattle/Tacoma Intl
3h 40m
MCI11:10 pmKansas City
Jun 2
MCI7:26 amKansas City
9h 39m
1 stop
SEA3:05 pmSeattle/Tacoma Intl
$247
Delta
May 29
SEA12:40 pmSeattle/Tacoma Intl
9h 19m
1 stop
MCI11:59 pmKansas City
Jun 2
MCI7:40 pmKansas City
6h 30m
1 stop
SEA12:10 amSeattle/Tacoma Intl
$257

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 May 9, 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

Wed 8/19

3:19 pm-1:00 pm

1 stop19h 41m

Kansas City

Sat 8/22

1:45 pm-9:48 am

1 stop22h 03m

$234
Quickest round-trip

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Fri 5/29

5:30 pm-11:10 pm

Nonstop3h 40m

Kansas City

Tue 6/2

7:05 am-9:05 am

Nonstop4h 00m

$237

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Wed 7/29

7:41 pm-12:55 pm

1 stop15h 14m

Kansas City

Tue 8/11

1:45 pm-9:49 am

1 stop22h 04m

$240

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Fri 5/29

5:30 pm-11:10 pm

Nonstop3h 40m

Kansas City

Tue 6/2

7:26 am-3:05 pm

1 stop9h 39m

$247

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Thu 6/4

3:19 pm-5:29 pm

2 stops24h 10m

Kansas City

Mon 6/8

2:34 pm-9:48 am

1 stop21h 14m

$251

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Thu 6/4

5:35 pm-1:40 am

1 stop6h 05m

Kansas City

Thu 6/11

9:15 pm-1:40 am

1 stop6h 25m

$252

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Mon 8/3

7:41 pm-12:55 pm

1 stop15h 14m

Kansas City

Mon 8/10

1:45 pm-9:49 am

1 stop22h 04m

$254

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Fri 5/29

12:40 pm-11:59 pm

1 stop9h 19m

Kansas City

Tue 6/2

7:40 pm-12:10 am

1 stop6h 30m

$257

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Fri 6/12

5:35 pm-1:40 am

1 stop6h 05m

Kansas City

Mon 6/15

2:55 pm-9:30 pm

2 stops8h 35m

$258

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Mon 7/13

3:34 pm-12:55 pm

1 stop19h 21m

Kansas City

Fri 7/17

1:50 pm-10:39 am

1 stop22h 49m

$260

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 $220. If you’re not able to fly to Kansas City in January, then September is your next best option. Flight prices from Seattle to Kansas City during September average around $307.

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 $352. 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 Saturday will generally be more expensive and average around $409. 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 $357 when looking at flights departing in the afternoon. Try not to purchase tickets at noon because they tend to be around $442. 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 $358 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 $309 on momondo.

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

You could potentially save up to 23% 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 May 2026, prices for Seattle to Kansas City flights are approximately 51% 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

$218

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 $218. The best round-trip flight deal from Seattle to Kansas City found on momondo in the last 72 hours is $433.
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 $133Free CancellationRating
5.6
2,958 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $148Free CancellationRating
7.8
2,837 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $148Free CancellationRating
7.9
8,457 reviews
Search Delta flights
United AirlinesPriceFrom $158Free CancellationRating
7.4
9,696 reviews
Search United Airlines flights
SouthwestPriceFrom $178Free CancellationRating
8.0
4,303 reviews
Search Southwest flights
Alaska AirlinesPriceFrom $199Free CancellationRating
7.9
12,349 reviews
Search Alaska Airlines flights
American AirlinesPriceFrom $278Free CancellationRating
7.1
11,668 reviews
Search American Airlines flights

  • Delta Flights From Seattle to Kansas City

    Delta flight deals from Seattle to Kansas City start from $148 round-trip. Over the 7 Delta flights for this route in a normal week, average airfare is usually $330 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, 12,349 ratings). Alaska Airlines flies from Seattle to Kansas City around 6 times per week, with deals starting from $199 round-trip and rising to an average price of around $396.

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
North Kansas City
Lee's Summit
Gladstone
Belton
Leavenworth
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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