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Cheap flights from Seattle to Kansas City from $66

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 5/8. 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

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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.
Delta Logo
5:50 pm - 11:16 pm
SEA
-
MCI
3h 26mnonstop
Delta Logo
7:42 am - 9:51 am
MCI
-
SEA
4h 09mnonstop
$159Delta
Tue, Apr 7 - Tue, Apr 14
Frontier Logo
7:12 pm - 2:06 pm
SEA
-
MCI
16h 54m
1 stop
Frontier Logo
2:51 pm - 9:27 am
MCI
-
SEA
20h 36m
1 stop
$166Frontier
Fri, May 1 - Sat, May 16
Delta Logo
5:50 pm - 11:16 pm
SEA
-
MCI
3h 26mnonstop
Delta Logo
7:55 am - 10:00 am
MCI
-
SEA
4h 05mnonstop
$169Delta
Sat, Apr 4 - Wed, Apr 8
Frontier Logo
4:20 pm - 1:30 pm
SEA
-
MCI
19h 10m
1 stop
Frontier Logo
2:15 pm - 9:27 am
MCI
-
SEA
21h 12m
1 stop
$171Frontier
Thu, May 7 - Mon, May 11
Frontier Logo
6:57 pm - 1:30 pm
SEA
-
MCI
16h 33m
1 stop
Frontier Logo
2:15 pm - 9:27 am
MCI
-
SEA
21h 12m
1 stop
$172Frontier
Wed, May 6 - Mon, May 11
Delta Logo
7:15 am - 5:33 pm
SEA
-
MCI
8h 18m
1 stop
Delta Logo
7:40 pm - 12:12 am
MCI
-
SEA
6h 32m
1 stop
$179Delta
Fri, May 8 - Wed, May 13
Southwest Logo
11:55 pm - 9:25 am
SEA
-
MCI
7h 30m
1 stop
Southwest Logo
4:25 pm - 11:35 pm
MCI
-
SEA
9h 10m
2 stops
$184Southwest
Fri, May 8 - Wed, May 13
Delta Logo
5:50 pm - 11:16 pm
SEA
-
MCI
3h 26mnonstop
Delta Logo
7:55 am - 10:00 am
MCI
-
SEA
4h 05mnonstop
$189Delta
Sat, Apr 4 - Wed, Apr 8
Frontier Logo
7:12 pm - 2:06 pm
SEA
-
MCI
16h 54m
1 stop
Frontier Logo
2:51 pm - 9:27 am
MCI
-
SEA
20h 36m
1 stop
$190Frontier
Fri, Apr 17 - Sat, Apr 25
Southwest Logo
6:30 am - 10:05 pm
SEA
-
MCI
13h 35m
2 stops
Southwest Logo
3:40 pm - 10:55 pm
MCI
-
SEA
9h 15m
2 stops
$195Southwest
Fri, May 8 - Tue, May 12

Frontier flights from Seattle to Kansas City

Our best Frontier deals on Seattle to Kansas City flight tickets
Frontier
May 1
SEA7:12 pmSeattle/Tacoma Intl
16h 54m
1 stop
MCI2:06 pmKansas City
May 16
MCI2:51 pmKansas City
20h 36m
1 stop
SEA9:27 amSeattle/Tacoma Intl
$166
Frontier
May 7
SEA4:20 pmSeattle/Tacoma Intl
19h 10m
1 stop
MCI1:30 pmKansas City
May 11
MCI2:15 pmKansas City
21h 12m
1 stop
SEA9:27 amSeattle/Tacoma Intl
$171
Frontier
May 6
SEA6:57 pmSeattle/Tacoma Intl
16h 33m
1 stop
MCI1:30 pmKansas City
May 11
MCI2:15 pmKansas City
21h 12m
1 stop
SEA9:27 amSeattle/Tacoma Intl
$172

American Airlines flights from Seattle to Kansas City

Our best American Airlines deals on Seattle to Kansas City flight tickets
American Airlines
Apr 27
SEA11:55 pmSeattle/Tacoma Intl
6h 59m
1 stop
MCI8:54 amKansas City
May 1
MCI6:06 pmKansas City
8h 30m
1 stop
SEA12:36 amSeattle/Tacoma Intl
$199
American Airlines
Mar 17
SEA12:59 amSeattle/Tacoma Intl
7h 13m
1 stop
MCI10:12 amKansas City
Mar 23
MCI6:15 amKansas City
4h 09m
SEA8:24 amSeattle/Tacoma Intl
$577

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 March 10, 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

Tue 4/7

5:50 pm-11:16 pm

Nonstop3h 26m

Kansas City

Tue 4/14

7:42 am-9:51 am

Nonstop4h 09m

$159

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Fri 5/1

7:12 pm-2:06 pm

1 stop16h 54m

Kansas City

Sat 5/16

2:51 pm-9:27 am

1 stop20h 36m

$166
Quickest round-trip

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Sat 4/4

5:50 pm-11:16 pm

Nonstop3h 26m

Kansas City

Wed 4/8

7:55 am-10:00 am

Nonstop4h 05m

$169

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Thu 5/7

4:20 pm-1:30 pm

1 stop19h 10m

Kansas City

Mon 5/11

2:15 pm-9:27 am

1 stop21h 12m

$171

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Wed 5/6

6:57 pm-1:30 pm

1 stop16h 33m

Kansas City

Mon 5/11

2:15 pm-9:27 am

1 stop21h 12m

$172

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Fri 5/8

7:15 am-5:33 pm

1 stop8h 18m

Kansas City

Wed 5/13

7:40 pm-12:12 am

1 stop6h 32m

$179

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Fri 5/8

11:55 pm-9:25 am

1 stop7h 30m

Kansas City

Wed 5/13

4:25 pm-11:35 pm

2 stops9h 10m

$184

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Sat 4/4

5:50 pm-11:16 pm

Nonstop3h 26m

Kansas City

Wed 4/8

7:55 am-10:00 am

Nonstop4h 05m

$189

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Fri 4/17

7:12 pm-2:06 pm

1 stop16h 54m

Kansas City

Sat 4/25

2:51 pm-9:27 am

1 stop20h 36m

$190

SeattleKansas City

SEA - MCI

SEAMCI

Seattle/Tacoma Intl

Fri 5/8

6:30 am-10:05 pm

2 stops13h 35m

Kansas City

Tue 5/12

3:40 pm-10:55 pm

2 stops9h 15m

$195

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 $220. If you’re not able to fly to Kansas City in January, then April is your next best option. Flight prices from Seattle to Kansas City during April average around $287.

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 $339. 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 $448. 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 $339 when looking at flights departing in the afternoon. Try not to purchase tickets at noon because they tend to be around $437. 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 $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 $325 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?

No. A direct flight is the cheapest option for a flight between Seattle to Kansas City.

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

As of March 2026, prices for Seattle to Kansas City flights are approximately 13% 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

$138

Fastest flight time

3h 25m

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 $138. The best round-trip flight deal from Seattle to Kansas City found on momondo in the last 72 hours is $242.
The fastest flight from Seattle to Kansas City takes 3h 25m
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

  • 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 25m.

  • 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
5.7
3,033 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $148Free CancellationRating
7.8
2,837 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $148Free CancellationRating
7.9
8,276 reviews
Search Delta flights
United AirlinesPriceFrom $158Free CancellationRating
7.4
9,409 reviews
Search United Airlines flights
Spirit AirlinesPriceFrom $168Free CancellationRating
6.3
8,513 reviews
Search Spirit Airlines flights
Alaska AirlinesPriceFrom $205Free CancellationRating
8.0
12,018 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $277Free CancellationRating
8.0
4,317 reviews
Search Southwest flights
American AirlinesPriceFrom $287Free CancellationRating
7.1
11,414 reviews
Search American Airlines flights

  • Alaska Airlines Flights From Seattle to Kansas City

    Alaska Airlines flight deals from Seattle to Kansas City start from $205 round-trip. Over the 3 Alaska Airlines flights for this route in a normal week, average airfare is usually $397 round-trip - but some users have found much cheaper deals with momondo.

  • Southwest Flights From Seattle to Kansas City

    Another popular option for Seattle to Kansas City flights is Southwest (8.0/10, 4,317 ratings). Southwest flies from Seattle to Kansas City around 3 times per week, with deals starting from $277 round-trip and rising to an average price of around $431.

Traveling to a place near Kansas City?

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