Latest deals
Insights
When to book
FAQs
Reviews
Price Alerts

Cheap flights from Kansas City to Seattle from $60

This is the cheapest one-way flight price found by a momondo user in the last 72 hours by searching for a flight from Kansas City to Seattle departing on 2/14. 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

Discover deals from 900+ travel sites with momondo.

Save money when you book flights with momondo

Big names and deals

Big names and deals

Search 100s of travel sites to compare prices.

Filter for what you want

Filter for what you want

Free Wi-Fi? Stopover? Instantly customize your results.

Trusted and free

Trusted and free

We’re completely free to use - no hidden charges or fees.

Price Alerts

Price Alerts

Not ready to book? to track prices.
Search flight deals

Find the cheapest flights from Kansas City to Seattle

Cheap round-trip flights

Enter your travel dates to find the best prices.
Frontier Logo
8:41 pm - 11:19 am
MCI
-
SEA
16h 38m1 stop
Frontier Logo
12:34 pm - 7:51 pm
SEA
-
MCI
29h 17m1 stop
$138Frontier
Sun, Jan 25 - Sun, Feb 1
Frontier Logo
8:41 pm - 11:19 am
MCI
-
SEA
16h 38m1 stop
Frontier Logo
12:34 pm - 7:51 pm
SEA
-
MCI
29h 17m1 stop
$139Frontier
Sun, Jan 25 - Sun, Feb 1
Multiple Airlines Logo
6:13 pm - 12:01 pm
MCI
-
SEA
19h 48m1 stop
Multiple Airlines Logo
6:30 pm - 11:33 pm
SEA
-
MCI
27h 03m1 stop
$164Multiple Airlines
Fri, Feb 13 - Tue, Feb 17
Frontier Logo
6:13 pm - 12:01 pm
MCI
-
SEA
19h 48m1 stop
Frontier Logo
6:30 pm - 3:44 pm
SEA
-
MCI
19h 14m2 stops
$166Frontier
Fri, Feb 13 - Tue, Feb 17
Frontier Logo
8:27 pm - 2:43 pm
MCI
-
SEA
20h 16m1 stop
Frontier Logo
12:34 pm - 7:51 pm
SEA
-
MCI
29h 17m1 stop
$174Frontier
Fri, Jan 16 - Thu, Jan 22
Multiple Airlines Logo
6:13 pm - 12:01 pm
MCI
-
SEA
19h 48m1 stop
Multiple Airlines Logo
6:30 pm - 11:33 pm
SEA
-
MCI
27h 03m1 stop
$185Multiple Airlines
Fri, Feb 13 - Tue, Feb 17
Multiple Airlines Logo
8:27 pm - 2:43 pm
MCI
-
SEA
20h 16m1 stop
Multiple Airlines Logo
9:10 pm - 11:33 pm
SEA
-
MCI
24h 23m1 stop
$187Multiple Airlines
Fri, Jan 16 - Mon, Jan 19
Frontier Logo
6:13 pm - 12:01 pm
MCI
-
SEA
19h 48m1 stop
Frontier Logo
6:30 pm - 3:44 pm
SEA
-
MCI
19h 14m2 stops
$188Frontier
Fri, Feb 13 - Tue, Feb 17
Hawaiian Airlines Logo
2:45 pm - 4:51 pm
MCI
-
SEA
4h 06mnonstop
Hawaiian Airlines Logo
8:21 am - 1:55 pm
SEA
-
MCI
3h 34mnonstop
$189Hawaiian Airlines
Tue, Feb 10 - Tue, Feb 17
Hawaiian Airlines Logo
2:45 pm - 4:51 pm
MCI
-
SEA
4h 06mnonstop
Hawaiian Airlines Logo
7:45 am - 4:22 pm
SEA
-
MCI
6h 37m1 stop
$194Hawaiian Airlines
Tue, Feb 10 - Tue, Feb 17

Alaska Airlines flights from Kansas City to Seattle

Our best Alaska Airlines deals on Kansas City to Seattle flight tickets
Alaska Airlines
Feb 13
MCI2:49 pmKansas City
4h 05m
SEA4:54 pmSeattle/Tacoma Intl
Feb 15
SEA8:21 amSeattle/Tacoma Intl
3h 34m
MCI1:55 pmKansas City
$198
Find similar
Alaska Airlines
Jan 17
MCI3:32 pmKansas City
4h 06m
SEA5:38 pmSeattle/Tacoma Intl
Jan 22
SEA8:15 amSeattle/Tacoma Intl
3h 35m
MCI1:50 pmKansas City
$199
Find similar
Alaska Airlines
Apr 14
MCI2:23 pmKansas City
4h 06m
SEA4:29 pmSeattle/Tacoma Intl
Apr 19
SEA6:27 pmSeattle/Tacoma Intl
3h 32m
MCI11:59 pmKansas City
$227
Find similar

Delta flights from Kansas City to Seattle

Our best Delta deals on Kansas City to Seattle flight tickets
Delta
Jan 17
MCI1:55 pmKansas City
10h 55m
1 stop
SEA10:50 pmSeattle/Tacoma Intl
Jan 20
SEA5:55 pmSeattle/Tacoma Intl
3h 28m
MCI11:23 pmKansas City
$209
Find similar
Delta
Jan 17
MCI1:55 pmKansas City
10h 55m
1 stop
SEA10:50 pmSeattle/Tacoma Intl
Jan 21
SEA5:30 amSeattle/Tacoma Intl
6h 28m
1 stop
MCI1:58 pmKansas City
$219
Find similar
Delta
Apr 30
MCI7:55 amKansas City
4h 09m
SEA10:04 amSeattle/Tacoma Intl
May 3
SEA6:08 pmSeattle/Tacoma Intl
3h 33m
MCI11:41 pmKansas City
$237
Find similar

momondo Fare Finder

 
Customize your flight search to find flights from Kansas City to Seattle 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 December 28, 2025.
Use the filters below to find and compare flights from Kansas City to Seattle that are best for you.

Fly from

Fly to

Route

Depart

Return

Price

Kansas CitySeattle

MCI - SEA

MCISEA

Kansas City

Sun 1/25

8:41 pm-11:19 am

1 stop16h 38m

Seattle/Tacoma Intl

Sun 2/1

12:34 pm-7:51 pm

1 stop29h 17m

$138

Kansas CitySeattle

MCI - SEA

MCISEA

Kansas City

Sun 1/25

8:41 pm-11:19 am

1 stop16h 38m

Seattle/Tacoma Intl

Sun 2/1

12:34 pm-7:51 pm

1 stop29h 17m

$139

Kansas CitySeattle

MCI - SEA

MCISEA

Kansas City

Fri 2/13

6:13 pm-12:01 pm

1 stop19h 48m

Seattle/Tacoma Intl

Tue 2/17

6:30 pm-11:33 pm

1 stop27h 03m

$164

Kansas CitySeattle

MCI - SEA

MCISEA

Kansas City

Fri 2/13

6:13 pm-12:01 pm

1 stop19h 48m

Seattle/Tacoma Intl

Tue 2/17

6:30 pm-3:44 pm

2 stops19h 14m

$166

Kansas CitySeattle

MCI - SEA

MCISEA

Kansas City

Fri 1/16

8:27 pm-2:43 pm

1 stop20h 16m

Seattle/Tacoma Intl

Thu 1/22

12:34 pm-7:51 pm

1 stop29h 17m

$174

Kansas CitySeattle

MCI - SEA

MCISEA

Kansas City

Fri 2/13

6:13 pm-12:01 pm

1 stop19h 48m

Seattle/Tacoma Intl

Tue 2/17

6:30 pm-11:33 pm

1 stop27h 03m

$185

Kansas CitySeattle

MCI - SEA

MCISEA

Kansas City

Fri 1/16

8:27 pm-2:43 pm

1 stop20h 16m

Seattle/Tacoma Intl

Mon 1/19

9:10 pm-11:33 pm

1 stop24h 23m

$187

Kansas CitySeattle

MCI - SEA

MCISEA

Kansas City

Fri 2/13

6:13 pm-12:01 pm

1 stop19h 48m

Seattle/Tacoma Intl

Tue 2/17

6:30 pm-3:44 pm

2 stops19h 14m

$188

Kansas CitySeattle

MCI - SEA

MCISEA

Kansas City

Tue 2/10

2:45 pm-4:51 pm

Nonstop4h 06m

Seattle/Tacoma Intl

Tue 2/17

8:21 am-1:55 pm

Nonstop3h 34m

$189

Kansas CitySeattle

MCI - SEA

MCISEA

Kansas City

Tue 2/10

2:45 pm-4:51 pm

Nonstop4h 06m

Seattle/Tacoma Intl

Tue 2/17

7:45 am-4:22 pm

1 stop6h 37m

$194

Flights are sorted by cheapest round-trip flights first.

Showing 1-10 of 20 resultsSorted by cheapest first
1
2

See travel insights to Seattle from

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

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 Kansas City and Seattle?

What is the cheapest month to fly to Seattle?

In general, April is the cheapest month to fly from Kansas City to Seattle. Due to it being the ‘off-season’ during this time, you can expect flight prices to be around $277. If you don’t want to visit Seattle in April, then you should wait until November to fly from Kansas City, when ticket prices are also cheap, with an average price of $277.

What is the cheapest day to depart on your flight to Seattle?

On average, the least expensive day to fly to Seattle from Kansas City is on a Thursday. momondo users have found tickets for Thursday departures for as low as $472. However, this price may fluctuate depending on the airline, the season, and holidays. On the other hand, Monday is the most expensive day to depart from Kansas City because it is more convenient for both business and leisure travelers. As a result, prices tend to be around $662.

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

Flying to Seattle from Kansas City in the evening is the least expensive time of day to depart. momondo users have found prices as low as $478 when looking at flights departing in the evening. Flights to Seattle are more costly in the morning, with an average ticket price of $586. Departure times in the morning fall within the peak daily travel times, which is why tickets can be more expensive.

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

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

How far in advance should I book a flight to Seattle?

You are more likely to see cheaper flights to Seattle from Kansas City when booking weeks ahead of your departure date. In general, you can expect to find flights to Seattle for around $332 when searching weeks out. However, flight prices might be lower outside of this timeframe. For example, people recently found flights to Seattle from Kansas City for as low as $282 on momondo.

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

There are 4 cabin classes available to choose from on Kansas City to Seattle/Tacoma Intl 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 Kansas City to Seattle flights?

You could potentially save up to 18% on your flight if you consider stops on a Kansas City to Seattle flight.

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

As of December 2025, prices for Kansas City to Seattle flights are approximately 39% more expensive when compared to flights at the same time last year.

When to book flights from Kansas City to Seattle

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

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

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

Best Price Found

$269

Fastest flight time

4h 00m

Direct flights

Every day

Airports in Seattle

1 airport
The best one-way flight to Seattle from Kansas City in the past 72 hours is $269. The best round-trip flight deal from Kansas City to Seattle found on momondo in the last 72 hours is $401.
The fastest flight from Kansas City to Seattle takes 4h 00m
Direct flights go from Kansas City to Seattle every day.
There is 1 airport in Seattle. From Kansas City there are direct flights to Seattle/Tacoma Intl (SEA).
Search flight deals

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

    Kansas City and Seattle/Tacoma Intl are 1503.6 mi apart from one another. In terms of flight time, this usually takes a little over 4h 00m.

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

    Prices for flights from Kansas City Airport to Seattle/Tacoma Intl Airport are refreshed on a daily basis.

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

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

    The minimum age a child must be to fly alone is five but airlines that offer an unaccompanied minor (UNMR) service will have their own age restrictions, including rules around flight length, timings, and stopovers. We always recommend checking with the individual airline you are booking with to travel from Kansas City Airport to Seattle/Tacoma Intl Airport.

  • What documentation or ID do you need to fly to Seattle/Tacoma Intl Airport?

    The travel and health documents required for your trip to Seattle/Tacoma Intl Airport can vary based on your itinerary and personal situation. As a rule, consider having multiple documents such as a national ID card or driver’s license, and a passport valid for six-months after you plan to arrive at Seattle/Tacoma Intl Airport. We always recommend checking with your airline or a trusted third party such as IATA to get advice.

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

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

Best airlines flying from Kansas City to Seattle

Compare and see reviews for airlines that fly from Kansas City to Seattle with momondo
Airline
Rating
Free Cancellation
Price
Spirit AirlinesPriceFrom $111Free CancellationRating
6.3
8,214 reviews
Search Spirit Airlines flights
FrontierPriceFrom $119Free CancellationRating
5.7
3,064 reviews
Search Frontier flights
Hawaiian AirlinesPriceFrom $149Free CancellationRating
7.8
2,820 reviews
Search Hawaiian Airlines flights
DeltaPriceFrom $159Free CancellationRating
7.9
8,016 reviews
Search Delta flights
United AirlinesPriceFrom $216Free CancellationRating
7.4
9,114 reviews
Search United Airlines flights
Alaska AirlinesPriceFrom $237Free CancellationRating
8.0
11,554 reviews
Search Alaska Airlines flights
SouthwestPriceFrom $237Free CancellationRating
8.0
4,250 reviews
Search Southwest flights
American AirlinesPriceFrom $256Free CancellationRating
7.2
11,071 reviews
Search American Airlines flights

  • Alaska Airlines Flights From Kansas City to Seattle

    Alaska Airlines operates around 7 flights from Kansas City to Seattle every week. The average price of these flights found in the last 72 hours has been $393, but momondo users have found Alaska Airlines deals from Kansas City to Seattle from as low as $237 round-trip. Alaska Airlines has been scored 8.0/10 in 11,554 reviews.

  • Delta Flights From Kansas City to Seattle

    Another popular option for Kansas City to Seattle flights is Delta (7.9/10, 8,016 ratings). Delta flies from Kansas City to Seattle around 7 times per week, with deals starting from $159 round-trip and rising to an average price of around $343.

Traveling to a place near Seattle?

Book flights to Seattle if you plan to visit one of these locations
Tacoma
Leavenworth
SeaTac
Ocean Shores
Renton
Olympia
Lynnwood
Kent
Marysville
Puyallup
Redmond
Tukwila
Federal Way
Cle Elum
Lakewood
Fife
Centralia
Westport
Kirkland
Shoreline

Why use momondo?

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

We help find the flight that best suits your needs, momondo compares prices from hundreds of airlines and travel agents and helps you filter them to find the best flight from Kansas City to Seattle for you.

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

Yes. All flights to Seattle from Kansas City on momondo can be compared and filtered by various policies on offer, including flexible booking.

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

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 Seattle from Kansas City.

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

Yes. momondo can track prices for Kansas City to Seattle 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 Seattle trip

We make it super easy to schedule, organize and travel with friends or family. Trips is free — and available to use no matter where you book.
Start using Trips
Find my bookings

Get notified when prices go down

Daily price changes in your inbox - only with Price Alerts.
1 adult
Tue 1/27
Tue 2/3
By creating a price alert you accept our terms of use and privacy policy.

Find better results for your trip to the United States