Cheap flights from Kansas City to Seattle (MCI - SEA) from $89

This is the cheapest one-way flight price, found on 12/5. Prices may vary by date and flight preferences.
MCI — SEA
Dec 12 — Dec 191

The best prices from Kansas City to Seattle/Tacoma Intl are usually found in January or February, booked 40 days in advance, depart on a Saturday or Tuesday and return on a Tuesday

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How to find the cheapest flight from Kansas City (MCI) to Seattle (SEA)

Discover tips and strategies to find the most affordable flight options for your journey from Kansas City (MCI) to Seattle (SEA). Learn about various techniques such as flexible date searches, comparing prices across and setting up price alerts. Use these methods to find the cheapest flights available for your travel needs. Data last updated December 7, 2023.

Popular in

June

Cheapest in

January

Round-trip from

$238

One-way from

$174
High demand for flights, 31% potential price rise
Best time to find cheap flights, 30% potential price drop
From Kansas City to Seattle/Tacoma Intl
One-way flight from Kansas City to Seattle/Tacoma Intl

What is the cheapest day to fly round-trip from Kansas City to Seattle?

Leaving on a Friday is a viable option for saving on travel. Heavily demanded days of the week can typically drive up the prices you see. Booking your travel for a less competitive day can save up to 12% on the overall cost on flights from Kansas City to Seattle.

What is the cheapest month to fly from Kansas City to Seattle?

Flights from Kansas City to Seattle lean towards being more expensive in May. Prices are generally better when you fly from Kansas City to Seattle in February, with the cheapest ticket starting at $178.

When is the cheapest time to fly from Kansas City to Seattle (MCI - SEA)?

It’s optimal to fly from Kansas City to Seattle in the evening. By choosing this option you can save up to 7% on the cost of your flight, compared to a flight in the morning.

Cheap United Airlines flights from Kansas City to Seattle

Explore cheap flight options specifically provided by United Airlines for the route between Kansas City and Seattle. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,618,515 searches. Data last updated December 7, 2023.
Find some of the cheapest United Airlines flights traveling from Kansas City to Seattle. Make sure to double check the flight details before booking.
  • If you’re traveling from Kansas City to Seattle, one of the more common airlines traveling that route is United Airlines. Flights from United Airlines traveling this route typically cost $337.81 RT. This price is typically 72% more expensive than other airlines that offer Kansas City to Seattle flights. When booking this route, the cheapest RT price found was $139. The most popular departure airport in Kansas City when flying to Seattle is Kansas City Airport. The most popular airport to fly into when visiting Seattle is Seattle/Tacoma Intl Airport. When flying from Kansas City to Seattle, United Airlines flights are 14% more popular than any other airline flying that same route.

Cheap Frontier flights from Kansas City to Seattle

Explore cheap flight options specifically provided by Frontier for the route between Kansas City and Seattle. Find affordable fares and compare prices with other airlines to secure the best deal for your journey. Over the last 7 days, Cheapflights users made 2,618,515 searches. Data last updated December 7, 2023.
Take a gander at the lowest prices we've found on Frontier flights from Kansas City to Seattle. If these deals don't fit your criteria, make sure to check back soon as new deals are always added.
  • One of the most popular airlines traveling from Kansas City to Seattle is Frontier. Flights from Frontier traveling this route typically cost $357.81 RT. This price is typically 33% cheaper than other airlines that offer Kansas City to Seattle flights. When booking this route, the cheapest RT price found was $139. Kansas City Airport is the most common Kansas City airport to take off from when flying to Seattle. Seattle/Tacoma Intl Airport is the most popular arrival airport in Seattle. When flying from Kansas City to Seattle, Frontier flights are 11% more popular than any other airline flying that same route.

Cheap Kansas City to Seattle flights in December & January 2023

Find cheap flight options from Kansas City to Seattle specifically for the months of December and January 2023. Explore affordable fares based on user searches. Over the last 7 days, Cheapflights users made 2,618,515 searches. Prices were last updated on December 7, 2023.
Check out some of the best flight deals from Kansas City to Seattle in 2023. If these deals don't appeal to you, be sure to come back soon for more options.

Kansas City to Seattle 2023 flight deals

Discover exclusive flight deals for travel between Kansas City and Seattle in 2023. Find excellent offers based on user searches. Over the last 7 days, Cheapflights users made 2,618,515 searches. Data last updated December 7, 2023.
Check out some of the best flight deals from Kansas City to Seattle in 2023. If these deals don't appeal to you, be sure to come back soon for more options.

Non-stop flights to Seattle from Kansas City

Discover non-stop flight options from Kansas City to Seattle. Find direct flights with no layovers, providing a convenient travel experience. Explore non-stop flight options based on user searches, and compare prices and availability for your desired travel dates. Over the last 7 days, Cheapflights users made 2,618,515 searches. Data last updated December 7, 2023.
For a shorter flight, select one of these non-stop flights from Kansas City to Seattle. Select from other flights from Kansas City to Seattle by using the search form above.

Kansas City to Seattle flights leaving soon

Find last-minute flight options from Kansas City to Seattle for spontaneous travel. Discover available flights and compare prices based on user searches. Secure great deals and offers for spontaneous trips with quick booking options. Over the last 7 days, Cheapflights users made 2,618,515 searches. Data last updated December 7, 2023.
Consider one of these great deals we found on last-minute flights from Kansas City to Seattle. Users should be sure to double check the price, date, and time of their last-minute flight.

One-way flights to Seattle from Kansas City

Search for one-way flight options from Kansas City to Seattle. Find affordable one-way fares based on user searches. Compare prices and availability to plan your one-way journey according to your preferred dates and budget. Over the last 7 days, Cheapflights users made 2,618,515 searches. Data last updated December 7, 2023.
Take a look at some of the one-way flights we've detected from Kansas City to Seattle. For those needing a return trip from Kansas City, there is a search form available above.

Find flights from Kansas City to Seattle within your budget

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, Cheapflights users made 2,618,515 searches. Data last updated December 7, 2023.

Fly from

Any airport

Fly to

Any airport

Budget

$117 - $242

Route

Depart

Return

Price

Kansas CitySeattle/Tacoma Intl

MCI - SEA

MCISEA

Kansas City

Tue 1/16

1 stop20h 41m

Seattle/Tacoma Intl

Sat 1/20

1 stop14h 15m

$117

Kansas CitySeattle/Tacoma Intl

MCI - SEA

MCISEA

Kansas City

Tue 1/16

1 stop20h 41m

Seattle/Tacoma Intl

Sat 1/20

1 stop14h 15m

$118

Kansas CitySeattle/Tacoma Intl

MCI - SEA

MCISEA

Kansas City

Sat 2/3

1 stop27h 43m

Seattle/Tacoma Intl

Wed 2/7

1 stop14h 15m

$128

Kansas CitySeattle/Tacoma Intl

MCI - SEA

MCISEA

Kansas City

Sat 2/3

1 stop27h 43m

Seattle/Tacoma Intl

Tue 2/6

1 stop5h 55m

$157

Kansas CitySeattle/Tacoma Intl

MCI - SEA

MCISEA

Kansas City

Sat 2/3

Nonstop4h 06m

Seattle/Tacoma Intl

Wed 2/7

Nonstop3h 27m

$178

Kansas CitySeattle/Tacoma Intl

MCI - SEA

MCISEA

Kansas City

Sat 2/3

1 stop9h 29m

Seattle/Tacoma Intl

Tue 2/6

Nonstop3h 31m

$188

Kansas CitySeattle/Tacoma Intl

MCI - SEA

MCISEA

Kansas City

Wed 1/10

1 stop8h 54m

Seattle/Tacoma Intl

Tue 1/16

1 stop9h 49m

$194

Kansas CitySeattle/Tacoma Intl

MCI - SEA

MCISEA

Kansas City

Mon 2/5

1 stop16h 10m

Seattle/Tacoma Intl

Tue 2/13

1 stop15h 49m

$223

Kansas CitySeattle/Tacoma Intl

MCI - SEA

MCISEA

Kansas City

Fri 2/2

1 stop7h 49m

Seattle/Tacoma Intl

Tue 2/6

2 stops13h 28m

$242

Flights are sorted by cheapest first

Deals found on 12/5

Average price of flights to Seattle by month

Plan your trip from Kansas City to Seattle by taking into account the cheapest months to travel. The average price of a one-way flight from Kansas City to Seattle is currently 114.11 USD while a round-trip flight costs 171.67 USD. Price data was last updated on December 3, 2023.

Currently, January is the cheapest month in which you can book a flight from Kansas City to Seattle (average of $238). Flying from Kansas City to Seattle in June is currently the most expensive (average of $433). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.

January

$238

February

$238

March

$287

April

$306

May

$338

June

$433

July

$417

August

$346

September

$278

October

$258

November

$258

December

$245

Reviews of airlines servicing Seattle

Get insights into the airlines that provide service to Seattle. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Seattle. Reviews last updated December 7, 2023.
Peruse reviews from past customers who have flown with United Airlines, Frontier and Alaska Airlines from Kansas City to Seattle to help guide your decision. You can also see how each airline compares in terms of entertainment options, comfort, food, crew/service, and boarding process.
8.1
Very good
1,404 reviews

Boarding

8.3

Crew

8.6

Comfort

8.0

Food

7.2

Entertainment

7.2

Overall

8.1

Reviews

1 / 10

Maintenance delay, weather delays in DEN and once we arrived in SEA. 3 hour flight resulted in 6+ hours on the plane.

8.1
Very good
1,404 reviews
8.1
Very good
1,404 reviews

Boarding

8.3

Crew

8.6

Comfort

8.0

Food

7.2

Entertainment

7.2

Overall

8.1

Reviews

1 / 10

Maintenance delay, weather delays in DEN and once we arrived in SEA. 3 hour flight resulted in 6+ hours on the plane.

7.9
Good
3,035 reviews
8.1
Very good
1,404 reviews

Boarding

8.3

Crew

8.6

Comfort

8.0

Food

7.2

Entertainment

7.2

Overall

8.1

Reviews

1 / 10

Maintenance delay, weather delays in DEN and once we arrived in SEA. 3 hour flight resulted in 6+ hours on the plane.

Southwest
7.6
Good
1,522 reviews
8.1
Very good
1,404 reviews

Boarding

8.3

Crew

8.6

Comfort

8.0

Food

7.2

Entertainment

7.2

Overall

8.1

Reviews

1 / 10

Maintenance delay, weather delays in DEN and once we arrived in SEA. 3 hour flight resulted in 6+ hours on the plane.

7.4
Good
1,902 reviews
8.1
Very good
1,404 reviews

Boarding

8.3

Crew

8.6

Comfort

8.0

Food

7.2

Entertainment

7.2

Overall

8.1

Reviews

1 / 10

Maintenance delay, weather delays in DEN and once we arrived in SEA. 3 hour flight resulted in 6+ hours on the plane.

7.2
Good
2,645 reviews
8.1
Very good
1,404 reviews

Boarding

8.3

Crew

8.6

Comfort

8.0

Food

7.2

Entertainment

7.2

Overall

8.1

Reviews

1 / 10

Maintenance delay, weather delays in DEN and once we arrived in SEA. 3 hour flight resulted in 6+ hours on the plane.

Average temperature in Seattle by month

Plan your trip to Seattle by selecting the month that matches your preferred temperature. July sees the highest average temperature while December sees the lowest average temperature. Temperature data was last updated on December 3, 2023.

SEA

Temperature

41 - 66.2 °F

Average rainfall in Seattle by month

Keep in mind the precipitation totals in Seattle when planning your trip. Seattle sees an average of 3.13 precipitation per year with the most occurring in November. Precipitation data was last updated on December 3, 2023.

SEA

Rainfall

0.7 - 6.6 inches

Related info for your journey

Find useful and relevant information for your journey from Kansas City to Seattle. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.

What airports do I use to fly from Kansas City to Seattle?

To fly from Kansas City to Seattle, you need to book a flight from Kansas City (MCI) to Seattle/Tacoma Intl (SEA). Nonstop flights to Seattle/Tacoma Intl from Kansas City take 3h 53m on average. When it comes time to book airfare, you have a few options: there are 8 outbound flights from Kansas City to Seattle/Tacoma Intl offered by 7 different airlines.

Can I find flights from Kansas City to Seattle for under $200 on Cheapflights?

Yes, there are multiple flights from Kansas City to Seattle for under $200. The cheapest flight booked recently is on Frontier for just $117, but on average you can expect to pay $160.

Are there nonstop flights from Kansas City to Seattle for under $200 on Cheapflights?

Cheapflights has at least 20 direct flights from Kansas City to Seattle under $200. A good price for a nonstop flight from Kansas City to Seattle is less than $302.

Are there last-minute flights available from Kansas City to Seattle for under $300?

There are currently 20+ open flights from Kansas City to Seattle within the next 7 days for less than $300.

What days are nonstop flights available from Kansas City to Seattle?

You can find nonstop flights on the following days: Sunday, Monday, Thursday, Friday, Saturday.

How popular is this Kansas City to Seattle flight route?

How many flights depart from Kansas City to Seattle on average per day?

13 flight departures from Kansas City to Seattle per day on average.
Morning (6am - Noon) - 62% of flight departures
Afternoon (Noon - 6pm) - 38% of flight departures

How long is the flight from Kansas City to Seattle?

Frontier, Alaska Airlines, and Delta can get you from Kansas City to Seattle in just under 4h 06m. Your travel time can differ by up to 16h 35m. Kansas City and Seattle are separated by a distance of 1494 mi. Both multi-stop and nonstop flights can be found to your destination and back.

What are the cheapest airlines flying from Kansas City to Seattle round-trip?

Currently priced at $117, Frontier will fly you from Kansas City to Seattle and back. In addition to Frontier, many other airlines offer competitively priced options for your trip. Search Cheapflights for deals from Alaska Airlines and Delta - these airlines can fly you to your destination from $178 and $188, respectively. Users have found that Frontier is 64% cheaper than the other options available to this destination.

What are the cheapest airlines to fly from Kansas City to Seattle one-way?

The cheapest airline one-way is American Airlines, with whom users have recently found tickets for as low as $97. However, be on the lookout for offers from Frontier and Delta, as they are both options that can get you from Kansas City to Seattle for a low price.

What are the most popular airlines that fly from Kansas City to Seattle?

What are the most reliable airlines from Kansas City to Seattle?

Looking for the most reliable airlines to get you to your destination on time? Our data shows these are most likely to get you from Kansas City to Seattle on time: Japan Airlines (95%), Delta (92%), Korean Air (92%).

What are the cheapest flights from Kansas City to Seattle?

While on average a flight from Kansas City to Seattle is generally $842, our data shows the cheapest flight currently is $109. When looking at the most popular route, (Kansas City - Seattle/Tacoma Intl), you can expect to pay $141 for that flight.

What does MCI to SEA mean?

MCI stands for Kansas City Airport, while SEA stands for Seattle/Tacoma Intl Airport. These codes are often called IATA codes, a set of identifiers established by IATA (International Air Transport Association) that is widely used by airlines and the aviation industry.

Browse thousands of different options on Cheapflights for your next trip

Toggle through the tabs below to find thousands of options on Cheapflights for your next trip.

Top 7 airlines flying from Kansas City to Seattle

Discover the top 7 airlines that operate flights from Kansas City to Seattle. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 2,618,515 searches. Data last updated December 7, 2023.
AirlineCheapestAverageFlexibilityOn-time
Spirit AirlinesCheapest$126Average$283FlexibilityNo cancel feeOn-time65%
Search Spirit Airlines flights
DeltaCheapest$139Average$358FlexibilityNo cancel feeOn-timeN/A
Search Delta flights
Alaska AirlinesCheapest$139Average$338FlexibilityNo cancel feeOn-time75%
Search Alaska Airlines flights
FrontierCheapest$145Average$216FlexibilityNo cancel feeOn-time62%
Search Frontier flights
United AirlinesCheapest$176Average$387FlexibilityNo cancel feeOn-time69%
Search United Airlines flights
American AirlinesCheapest$231Average$528FlexibilityNo cancel feeOn-time71%
Search American Airlines flights
Sun Country AirCheapest$385Average$429FlexibilityNo cancel feeOn-time83%
Search Sun Country Air flights

Search flights to Seattle by cabin class

Hourly flight availability from Kansas City to Seattle

Find hourly flight availability from Kansas City to Seattle. Discover flight options and departure times throughout the day, allowing you to choose a departure time that suits your schedule. Data last updated December 7, 2023.
11%of flight departuresEarly morningMidnight to 6 am
70%of flight departuresMorning6 am to noon
19%of flight departuresAfternoonNoon to 6 pm
0%of flight departuresEvening6 pm to midnight
Midnight
6 AM
Noon
6 PM

Weekly flight availability from Kansas City to Seattle

Explore weekly flight availability from Kansas City to Seattle. Discover flights operating on different days of the week, giving you the flexibility to choose a travel day that best fits your plans. Compare info to find the most convenient option for your journey. Data last updated December 7, 2023.
Sunday8daily flights
Monday11daily flights
Tuesday10daily flights
Wednesday5daily flights
Thursday5daily flights
Friday11daily flights
Saturday8daily flights

Book a flight to one of these trending destinations

User searches for flights to these destinations increased 20% or more in the past 90 days compared to other destinations

Fly with Cheapflights

Find the best flight deals on Cheapflights, where travelers can enjoy low prices and a wide availability of flights to their desired destinations.

How does Cheapflights help users find flights from Kansas City to Seattle?

Cheapflights makes it easy to find Kansas City to Seattle flights by helping our users search from 900+ travel sites for deals. We also provide you with filters for cabin, price, airline, airports, number of stops, and many more to narrow down that perfect flight.

Why should you use Cheapflights to find cheap flight tickets from Kansas City to Seattle?

Cheapflights simply makes it quick and affordable to book flights from Kansas City to Seattle by bringing together all flight options from hundreds of airlines and agencies online — and put it in one place for you to choose from. Plus, Cheapflights is 100% free to use for all.

Can Cheapflights find flights from Kansas City to Seattle with no change fees?

Yes! Cheapflights helps users easily find flights from Kansas City to Seattle with no change fees.

Can Cheapflights notify me if prices for flights from Kansas City to Seattle become cheaper?

Yes! Start tracking prices for Kansas City to Seattle flights today and get alerted whenever prices for these flights change. To access this feature, click the bell icon next to the flight deals above, which will prompt you for a valid email address to receive your alerts.

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